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WO2025118090A1 - Système de structure modulaire ; dispositif de séparation de composés organiques et son procédé - Google Patents

Système de structure modulaire ; dispositif de séparation de composés organiques et son procédé Download PDF

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Publication number
WO2025118090A1
WO2025118090A1 PCT/CL2023/050122 CL2023050122W WO2025118090A1 WO 2025118090 A1 WO2025118090 A1 WO 2025118090A1 CL 2023050122 W CL2023050122 W CL 2023050122W WO 2025118090 A1 WO2025118090 A1 WO 2025118090A1
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WO
WIPO (PCT)
Prior art keywords
guide
tubular
tubes
electrolyte
anodic
Prior art date
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Pending
Application number
PCT/CL2023/050122
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English (en)
Spanish (es)
Inventor
Sergio CORTÉS BUSCH
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New Tech Copper SpA
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New Tech Copper SpA
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Priority to PCT/CL2023/050122 priority Critical patent/WO2025118090A1/fr
Publication of WO2025118090A1 publication Critical patent/WO2025118090A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/60—Constructional parts of cells
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/60—Constructional parts of cells
    • C25B9/63—Holders for electrodes; Positioning of the electrodes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts

Definitions

  • the field of application of this system is limited to the area of electrometallurgy for obtaining metal cathodes through the electrowinning process.
  • the technical problem solved by the present invention relates to obtaining a self-supporting tubular structure system for anodic and cathodic guides, without the need for a general support frame for the system, easy to assemble, structurally resistant, leak-free and easy to manufacture.
  • this self-supporting tubular structure system is arranged in the form of a Meccano by coupling (assembly), whereby, through small standardized parts, it adapts to the space available at the site for the electrowinning process or, failing that, for the desired production capacity.
  • the objective of this self-supporting tubular structure system is the stable positioning of all these elements within the location of a pre-existing electrolytic cell, such that the system is lightweight, easy to assemble and install through simple manual or automated assembly.
  • the system also comes arranged in pieces, which improves its transport to the site because special trucks are not required to transport large and heavy pieces, because they do not exist.
  • the assembly method, the simple tubular design, and the spatial arrangement of the parts generate an interior space with high volumetric insulation. Operation is also improved because, if for any reason, when removing the copper cathodes, they seize up in their guide, dragging the tubular structure, the latter can be mechanically disassembled in just that section, avoiding dragging the entire structure, with easy replacement of that section to continue the operation.
  • Electrometallurgical processes are becoming increasingly important in the metallurgical industry, especially in the copper, zinc, aluminum, and other metals industries, where the production of high-purity metals increasingly depends on the quality and productivity of these processes.
  • demand for the electrorefining process is growing.
  • the present invention consists of a system of self-supporting tubular cathodic and anodic guides that do not require a frame to be held in their correct position.
  • This system is defined as pieces or blocks that have the capacity to adapt to the physical location where they are deployed.
  • the system comprises: anodic structural guides, cathodic structural guides, an upper tubular skeleton, tubular feet with their respective connecting tubes and anchoring elements.
  • both the upper tubular skeleton and the tubular feet with their respective connecting tubes are assembled to lengthen or shorten the length of the cell. All these pieces are made of polymeric materials, and comprise a series of ribs, depressions, perforations, and cutouts in their designs that allow for a high mechanical resistance structurability to the entire system, where the previously mentioned elements interact and cooperate.
  • a second aspect of the present invention involves the transportation of the system. Since the small parts, including the tubular beams, can be packed in small containers, this means that, while previously a truck could carry only one system for a single tank, with the present invention, 10 or more systems can be transported in the same truck. However, the old self-supporting systems required transporting the upper and lower beams in lengths adjusted to the tank (extremely long). The new configuration, with the tubular feet and their respective connecting tubes, reduces these sizes for optimal transport and adjustment.
  • a third aspect of the present invention lies in the fact that all the joints of the pieces are made via clips, clamps, protuberances, endless threads, support stops or structures developed in the same pieces, making bolts and nuts unnecessary to join the pieces.
  • a fourth aspect of the present invention lies in the fact that this system can also retain and return the residual organic compounds from the self-supporting tubular system to the tank where the solvent extraction is carried out.
  • a reference to a “use or method” is a reference to one or more uses or methods and includes equivalents known to those skilled in the art.
  • a reference to "a step,” “a stage,” or “a mode” is a reference to one or more steps, stages, or modes, and may include implicit and/or supervening sub-steps, stages, or modes.
  • vat when there is no apparatus or device installed within the electrowinning pool.
  • cell when a previous electrowinning device already exists or when the system or part of the system of the present invention is being assembled.
  • organic solvents for solvent extraction SEX
  • these generally refer to liquid hydrocarbons (not restricted to this family), such as paraffin, among many others.
  • the present development is based on a series of improvements to that described in application PCT/CL2018/050091 , also called SELE NG in order to deliver a more versatile product, easy to manufacture, easy to replace in case of failure, structurally leak-free and that removes solvents that contaminate the electro-winning tank.
  • the present invention consists of a modular tubular structural system comprising anodic guides (4) adapted for tubes, cathodic guides (3) adapted for tubes, upper tubular skeleton (53), tubular feet (7) with their respective connecting tubes, basal crossbars and general tubular anchoring elements, as seen in figure 4/29.
  • This system is assembled manually or automatically inside the cell or tank.
  • the system comes in standardized parts that are assembled based on the length and width of the tank or cell, they do not come in large one-dimensional parts that cover the entire space of the cell as was done in the state of the art, here the different pieces are assembled in the form of a Meccano until they cover the entire area of the cell or tank. It is part of the same installed structure, a portion of wall opening generated by the worm screw (26), which allows the free circulation of the electrolyte through them, and where the longitudinal vertical walls of the system comprise a series of segments of the upper tubular skeleton (53) and the tubular feet (7) with their respective tubes connectors, connected to each other, which are supported above the cathodic and anodic guides (1) and (2).
  • longitudinal external vertical walls are not required because the support of the upper tubular skeleton is given by the same cathodic and anodic guides, both adapted for tubes, which are regularly spaced, uninterrupted from the upper tubular skeleton (53) and up to the tubular feet with their respective connector tubes (7), the latter positioned in the lower part along the tank or cell, allowing to achieve great rigidity and structural resistance, lower than the space existing between cathodes and anodes and the interior walls of the electrolytic cells or tanks.
  • the cathodic and anodic guides, adapted for tubes are arranged alternately along the entire tank.
  • All connections between the structural guides adapted for tubes, the upper tubular skeleton and the tubular feet with their respective connecting tubes are free of bolts and nuts for assembly; they simply use small worm threads, volumetric fillers and clip or male-female systems for anchoring, which makes assembly and disassembly easier without the need for tools.
  • Another advantage of the shape of the tubular skeleton, in general, is that it manages to make the organic matter remaining on the surface of the cell easily dragged away because there are no sharp edges or surface elements where they are retained. Furthermore, the volume that defines the organic layer when it is separated is smaller with curved edges than with flat edges, as described in the prior art.
  • the present invention in its plasticity, allows for the provision of tubular feet with their respective connector tubes (7) and basal crossbars, with their respective connectors (6).
  • cathodic guide (3) adapted for pipes, made in a single piece, as seen in figure 16/29, which is materialized in polymers of high mechanical, thermal and abrasive resistance, of the type Polypropylene (PP), Polyvinyl chloride (PVC), High density polyethylene (HDPE), preferably Polyvinyl chloride (PVC).
  • PP Polypropylene
  • PVC Polyvinyl chloride
  • HDPE High density polyethylene
  • PVC Polyvinyl chloride
  • this guide comprises four parts: the first part, starting from its upper area (based on how it is installed) corresponds to the head of the cathodic guide (44), which fulfills the function of correctly guiding the entrance of the cathode when it is introduced into the system and avoiding the deposition of metal on the edges of the head that limit the recovery of the charged cathode in a simple way.
  • the geometrical arrangement of this head from the operator's perspective is two walls that form a "V" or initial contact zone of the cathode on its guide on the sides, which leads or empties into the cathode guide channel (41). At the bottom of this "V" shape, there is an angular surface with respect to the horizontal of approximately 135°, but not limited to that angle.
  • the second part starting from its upper area (based on how it is installed) corresponds to the neck of the cathodic guide (58), which serves as the anchoring area to the upper tubular skeleton (53).
  • this area which is not visible to the operator, is hooked by means of the fastening tabs to the guide (50) that emerge from the back of the double grip clamp (35), and which, by means of a polymeric endless screw (26), two aligned thread fillings (48), one inside a double clamp (35) and the other inside the double counter-clamp (49), embrace and anchor the neck of the cathodic guide (58) to the upper tubular skeleton (53), to anchor the double clamp (35) to the cathodic guide.
  • the geometric arrangement of the neck, on the operator's side, is a symmetrical channel or groove, part of the channel of the cathodic guide (41). This groove begins where the “V” of the head ends and ends where the body of the cathodic guide begins. Also for the purpose of structuring the channel, there are optionally cathodic channel resistance ribs (57). The previously mentioned interactions give mechanical strength to the relationship between the cathodic guide (3), the double clamp (35) and the upper tubular skeleton (53).
  • the third part starting from its upper area (based on how it is installed) corresponds to the body of the cathodic guide (59), which fulfills the function of laterally channeling the cathodes, both in the descent and in the ascent.
  • the channel (41) that is formed in its central part, from the point of view of the operator, is symmetrical with respect to its edges, in addition those edges are curved to avoid the lack of traction when there is the formation of thickenings due to the accumulation of cathodic copper on the edges of the channel (41).
  • resistance ribs (57) to maintain the uniform opening of the channel.
  • the fourth part of this cathodic guide is the lower area of the cathodic guide (42), which performs the function of positioning and/or anchoring the base of the guide through the heel of the cathodic guide (13) to the upper tubular skeleton (53).
  • This area of the guide is a continuation of the body of the guide (59) that simply ends in a 45° tip, where this tip plus the channel (41) are inserted into the heel (13) by means of the rail (33), where the heel (13) is anchored to the lower flange of the first element (23) by means of the perforation of the heel (31) for the cathodic guide.
  • a piece called anti-nodule bellows (43) (state of the art) is positioned, described in figure 16/29.
  • This piece electrically isolates the cathode and also prevents the lateral permeability of copper, achieving the non-formation of copper nodules at the base of the guide, in order to facilitate the extraction of the full cathodes.
  • the anti-nodule bellows is an elastic piece of polymeric material (plasticized PVC or other similar) capable of entering the channel (41 ) and that allows it to protrude below the cathodic guide.
  • this guide comprises four parts: the first part, starting from its upper area (based on how it is installed) corresponds to the head of the anodic guide (60), which fulfills the function of guiding and correctly positioning the anode when it is introduced into the system.
  • This head from the operator's perspective is two parallel walls or initial contact area of the anode in its guide, which lead or empty into the anodic channel (38).
  • an angular surface with respect to the horizontal of approximately 135°, not limited to that specific angle, but always above 90°, which forces the anode to be driven into the anodic channel (38), preventing that, in the operation of the anodes, they drift when entered into their guides.
  • anode entrance sub-cone (47) which fulfills the function of narrowing the entrance to the anodic guide channel (38) to direct and adjust the anode to its guide.
  • anode entrance sub-cone (47) On the opposite side of the head (60) with respect to the operator's point of view, there is a groove that follows the previously mentioned angle. This groove is crossed by resistance ribs of the anodic channel (61) in order to give resistance to the structure of the head.
  • the second part starting from its upper area (based on how it is installed) corresponds to the neck of the anodic guide (63), which serves as the anchoring area to the upper tubular skeleton (53).
  • this area which is not visible to the operator, is hooked by means of the fastening tabs to the guide (50) that emerge from the back of the double grip clamp (35), and which, by means of a polymeric endless screw (26), two aligned thread fillings (48), one inside a double clamp (35) and the other inside the double counter-clamp (49), embrace and anchor the neck of the anodic guide (63) to the upper tubular skeleton (53).
  • the geometric arrangement of the neck, on the operator's side, is a symmetrical channel or groove, part of the anodic channel (38).
  • This groove begins where the parallel structure of the head ends and ends where the body begins. of the anodic guide (61). Also in order to structure the groove, there are ribs of the anodic channel (62).
  • the third part starting from its upper area (based on how it is installed) corresponds to the body of the anodic structural guide (61), which fulfills the function of laterally channeling the anodes, both in the descent and in the ascent.
  • In the lower area of this third part there is a narrowing of the channel (39) that operates by squeezing the anode so that it remains in position during its operation.
  • ribs (62) to maintain the uniform opening of the channel.
  • this anodic guide fulfills the function of anchoring the base of the guide through two anchoring openings (37) to the heel of the anodic guide (9) by means of its joining perforations to the anodic guide (28) crossed by two connecting tubes (10) and their respective covers (14).
  • This heel in turn, by its lower part by means of the joining perforation of the heel of the anodic guide to the first anchor element (30), forms a structure supported on the shoulder (29) that gives resistance, position and operability to the anodic guide.
  • This lower area of the guide (36), on the side opposite to the operation, has two depths of the anodic channel, near the body of the anodic guide (61), it maintains the same depth and then when approaching the heel, this depth changes to half, ending the channel in a point to be able to physically couple to the heel.
  • This difference in depth is supported, on the side opposite to the operation, on the support shoulder (29), mentioned above.
  • the cathodic guide and the anodic guide their length, width and channel depth will depend on the type of anodic or cathodic electrode used. However, it can be defined for both cases that they consist of elongated structures in a length range from 20 cm to 500 cm, preferably 100 cm and/or preferably 120 cm and/or preferably 150 cm, with a channel depth in a range between 1 to 10 cm, preferably 2, 4, 5 and 8 cm and a width in the range of 0.1 cm to 5 cm, preferably 0.5, 1, 2 and 4 cm.
  • the upper tubular skeleton (53), made in several pieces, as seen in figure 21/29, which is materialized in polymers of high mechanical, thermal and abrasive resistance, of the type Polypropylene (PP), Polyvinyl chloride (PVC), High density polyethylene (HDPE), preferably Polyvinyl chloride (PVC).
  • PP Polypropylene
  • PVC Polyvinyl chloride
  • HDPE High density polyethylene
  • PVC Polyvinyl chloride
  • this skeleton is integrated more components to make it functional. Focusing only on one unit of the skeleton, it consists of a double rectangular tubular structure, where a rectangle that runs around the entire perimeter of the tubular self-supporting structure system is superimposed on a second rectangle of equal dimensions to the first.
  • these rectangles will vary depending on the size of the task and the size of the electro-winning vat to be operated.
  • These two rectangular structures are separated, positioned and supported by double grip clamps (35), their double counter-clamp (49), filled with thread that crosses the clamps and counter-clamps, the endless screws (26) and the larger tube separators (56).
  • These aforementioned structures are arranged in a range of 10 cm to 100 cm.
  • these rectangles are formed by smooth major connecting tubes (16) and minor connecting tubes (18), where the 90° angles of the rectangle are formed by the smooth major elbows (55).
  • these smooth major connecting tubes have a length range between 10 to 150 cm, preferably 100 cm, preferably 30 cm, an outer diameter between 10 to 4 cm, preferably 6 cm.
  • the minor connecting tubes have a length range between 10 to 50 cm, preferably 10 cm, preferably 20 cm, an outer diameter between 6 to 3 cm, preferably 5 cm.
  • the lower longitudinal tubular beam (34) is materialized in polymers of high mechanical, thermal and abrasive resistance, of the Polypropylene (PP), Polyvinyl chloride (PVC), High density polyethylene (HDPE) type, preferably Polyvinyl chloride (PVC). Structurally, more components are integrated into this beam to make it functional. Concentrating only on one beam unit, it comprises lower longitudinal feet (7) and larger (15), (16) and (17) and smaller (18) connecting tubes. The lower longitudinal feet (7) are in turn composed of between 1 and 5 units of lower longitudinal tubular bases (5), preferably three units connected to each other.
  • the lower longitudinal tubular base (5) has the shape of a “flat eggplant” (see figure 9/29), comprises a central smaller hole (19), the upper smaller hole (20) and the lower larger hole (21), in that order from top to bottom. Also visible on the upper smaller hole (20) is the upper anchoring slot (22), where the first anchor element (8) (state of the art) is positioned through its lower tab (23).
  • the lower longitudinal tubular base (5) next to the lower larger hole (21), has two connection depressions (24) when connecting the basal cross member (State of the art, figures 1/29 and 3/29) with the lower longitudinal tubular beam.
  • the measurements of the lower longitudinal tubular base (5) include a length range from 3 cm to 10 cm, preferably 5.5 cm and/or preferably 7.5 cm, a height from 10 cm to 50 cm, preferably 25 cm and/or preferably 30 cm and a variable width in the range between 3 and 30 cm.
  • the minor connecting tubes (18) give connectivity and structurability to the self-supporting tubular structure system (2) of the present development.
  • the major connecting tubes (15), (16) and (17), partially wrap around the minor conductive tubes (18), to connect them to each other, generating larger structural tubes, of greater dimensions.
  • the major connecting tubes come in three forms depending on their function, such as:
  • Slotted major connecting tube (17) that mainly guides and anchors the first anchor elements (8) (state of the art) and also reinforces structures by wrapping the minor connecting tube (18) that passes through the upper minor hole (20) of the lower longitudinal tubular base (5), and
  • the basal crossbar Connected to the lower longitudinal tubular beam (34) are the connectors of the basal crossbar with the lower longitudinal tubular foot (6) to the basal crossbar (64), both pieces being part of the state of the art.
  • the basal crossbar has a hollowed prism shape with internal tensioners to support its structure. These tensioners define three sub-holes called: an upper triangle to support the basal crossbar and two lower support structures for the basal crossbar.
  • the length dimensions of this basal crossbar are in the range of 30 cm to 200 cm, preferably 80 cm, 90 cm, 100 cm, 120 cm, 150 cm, generally length dimensions associated with the length of the standard cathodes and anodes.
  • This basal crossbar can optionally have in its middle, along its length, a cut that reaches the middle of the crossbar in depth called the middle groove of the basal crossbar, which has a purpose to let some type of channeling pass.
  • the middle groove of the basal crossbar In the lower arrangement along the crossbar, it has two anchoring guides for the basal crossbars when connecting to the basal crossbar that run along the same crossbar, as seen in figures 11/29, 12/29, 13/29 and 15/29.
  • connection of the basal cross member (6) is part of the state of the art, where its use seeks to mechanically connect or join the lower longitudinal tubular beam (34) with the basal cross members (64).
  • This connection is specific to join, on the one hand, with the area formed by the connection depressions when connecting the cross member (24), part of the lower longitudinal tubular beam, with the support shoulder of the connection (65) and the horizontal anchoring guides of the connection (66), respectively (State of the art).
  • This connection is made in one piece and/or optionally in two pieces, which are materialized in polymers of high mechanical, thermal and abrasive resistance, of the Polypropylene (PP), Polyvinyl chloride (PVC), High density polyethylene (HDPE) type, preferably Polyvinyl chloride (PVC).
  • the organic separation device Part of the present development and distributed in the tubular system with guides (1 ), is the organic separation device (67). This device comprises three parts, where the first part is the residence box (68), the wall with locks (69) and the meshes (70).
  • the function of the organic separation device is based on the use of the structure of the tubular system with guides or any electrowining or electrowinning system, preferably the tubular system with guides of the present development, where through air bubbling and the generation of surface flows, the organic solvents, remaining from the solvent extraction (EX) process, prior to electrowinning, are forced to be channeled and recirculated to the EX stage, generating better yields in the production of cathodes (due to the decrease in organic contamination) and a decrease in contamination by reusing organics that are not in the EX stage, but in later stages. Both improvements result in savings and economic optimizations of the electrowinning process.
  • the device consists of three parts, the first part is the residence box (68) which in turn comprises a rectangular box that covers the front side of the tubular system with guides (1 ).
  • This box comprises in turn, the electrolyte macro injector (71 ), which corresponds to a grid of larger electrolyte injection connecting tubes (72) connected at their ends by two larger tube “T”s (73) and four smooth larger elbows (55), in the shape of a Theta “0”.
  • the connecting tubes major electrolyte injection (72), comprise different types of elongated cuts in their upper part in order to distribute the electrolyte from the surface of the drawer downwards, this way of distributing the electrolyte promotes the organic, which contaminates the electrolyte, to be accumulated in the upper part of the drawer.
  • the entrance of the electrolyte to the macro injector is through a smooth elbow (55) and a larger smooth connecting tube (16). The latter corresponds to one of the lower tubes of the upper tubular skeleton (53), or failing that, if it is not the tubular system with guides of the present development, to any entrance of the electrolyte to the tank.
  • the macro electrolyte injector (71) is arranged in the first upper fifth, with respect to the height, of the residence drawer (68).
  • the aeration network (74) is supplied from one of the larger smooth connecting tubes (16) of the upper tubular skeleton (53), specifically, from the top tube.
  • the aeration network (74) is composed of an array of smaller perforated tubes (75) of between 4 to 15 tubes arranged in parallel, preferably 7. These tubes are connected to each other by the smaller "T" (77) and at the corners they are closed with the smaller elbows (76).
  • the function of this network is the generation of bubbles and microbubbles that drag the organic matter separating it from the electrolyte and confining it to the upper part of the residence box (68), where the removal of the organic matter is carried out manually or with surface suction.
  • the electrolyte by simple gravity moves through the larger perforated connecting tubes (15) and is distributed within the tank.
  • One of the objectives of the residence box (68) is to achieve a decrease in the speed of the electrolyte flow to give the organic matter more time to float to the surface.
  • the second part of the organic separation device (67) is located at the end of the tank and corresponds to the wall with airlocks (69). If the drawer fails to retain all the organics and part of them are distributed by the electrolyte distributor (State of the art PCT/CL2018/050092), these, due to the lower aeration in the tank and the special inlet of the electrolyte from below, tend to move the organic remains to the surface and forward, channeling them through the outlet squimer (79).
  • the wall with airlocks (69) comprises an independent wall with the same polymer alternatives used in other parts previously, in the shape of a “U” with short sides, at its two upper ends it has two rectangular spaces of the outlet squimer type (79) from where the remaining organics come out.
  • These locks move horizontally and have a series of cuts in the corner adapted to allow the entry of air to the wall (81) and the entry of the electrolyte to the wall (82) without losing the hermetic seal in the separation of the organic.
  • These locks are controlled manually or automatically by appropriate mechanisms.
  • the recovered organic matter is transported back to the solvent extraction phase using containers or a piping system suitable for this purpose.
  • the mesh (70) is a polymer mesh with a light beam small enough to retain the anti-acid mist balls.
  • This mesh is placed or circumscribes the entire tubular system with guides (1), specifically, in the upper tubular skeleton, between the two lines of major connecting tubes. The mesh is caught with the double clamps that grip the upper tubular skeleton (35). The mesh also passes through the front of the outlet squimer to prevent the escape of the anti-acid mist balls, depending on whether or not there is a bulkhead in the sump.
  • a final aspect of the present development is the process of separating polluting organics in the organic separation device (67), where the separation process is carried out in the following stages:
  • a first operational prototype was generated for a volume of 1.5 cubic meters comprising a tank materialized in polymers of high mechanical, thermal and abrasive resistance, where the residence box was positioned at the front of the tank covering the front side of the tank (1 mt), with a macro electrolyte injector with its major electrolyte injection connecting tubes, where these major connecting tubes have elongated cuts in their upper part of 20 cm where the organic (mineral oil for testing) was promoted to accumulate in the upper part of the box.
  • an aeration network composed of a matrix of four smaller perforated tubes, tubes arranged in parallel, where, by said network, bubbles and microbubbles were generated that dragged the organic, separating it from the liquid that simulated the electrolyte and confining it to the upper part of the residence box, where the organic was removed manually.
  • a bulkhead with airlocks was positioned, where, if the box initially failed to retain all the organic matter and some of it was distributed on the surface of the tank (it tends to move to the surface and forward, due to the effect of aeration at the bottom of the tank and the entry of the electrolyte from below the tank), it was channeled through an outlet squimer and finally, the remaining organic matter (not recovered in the box) was recovered manually in that area.
  • This part of the system referring to the organic separation device, can operate independently of the type of tank and its implementation.
  • the thickness of the organic phase in the cell was measured. Also, if the organic layer was evenly distributed in the storage box (68), the thickness of the organic layer in the box was also measured. This measurement was taken every other day and compared with the measurement in a reference cell.
  • Codelco RT's individual cells operate in six cell banks, with banks 1, 2, 3, and 4 each comprising 176 cells. Banks 5 and 6 each comprising 148 cells. Overall, cathode harvesting in all of these cell groups has historically yielded 5% lower quality copper cathodes due to the cathode's high organic content. The overall goal is to harvest copper cathodes with a grade A rating of over 80%, reducing the need for rehandling cathode plates. Tests were conducted in bank 1, using cells 8 West of bank 1 as the reference cell, and for testing purposes, including the modification with the current system, cells 6 West of bank 1.
  • the system of the present development designated as a tubular frame with organic recovery, used the following elements for its configuration within the cells:
  • the assembled structure has a total length of 6292 mm, while its width is 1062 mm at the top and 1104 mm at the bottom.
  • the electrolyte flow for each cell is between 180 and 250 [It/min],
  • Figure 1 shows the state of the art of a part of the self-supporting system of anodic and cathodic guide structure, in a side view where the arrangement and introduction of its elements in the assembly operation of the structure can be clearly seen, where the indicated numerals are based on what is indicated in the application PCT/CL2018/050091.
  • Figure 2/29 shows the state of the art of a part of the self-supporting system of anodic and cathodic guide structure, in a side view where the arrangement and introduction of its elements in the assembly operation of the structure can be clearly seen, where the indicated numerals are based on what is indicated in the application PCT/CL2018/050091.
  • Figure 2/29 shows the state of the art of a part of the self-supporting system of anodic and cathodic guide structure, in a side view where the arrangement and introduction of its elements in the assembly operation of the structure can be clearly seen, where the indicated numerals are based on what is indicated in the application PCT/CL2018/050091.
  • Figure 2 shows the state of the art from a side front view, of the pivoting anodic capture device with all its parts and pieces, where the indicated numerals are based on what is indicated in the application PCT/CL2020/050023.
  • Figure 3 shows the state of the art from a front view of the electrolyte distribution device from the base of the electrowinning cell or tank, where the indicated numerals are based on what is indicated in the application PCT/CL2018/050092.
  • Figure 4 shows a top isometric view of the self-supporting tubular frame system with guides in its assembled configuration.
  • Figure 5 shows four three-dimensional isometric views of the formation of the lower longitudinal tubular foot (7)
  • the upper left representation represents a unit of the lower longitudinal tubular base (5) and the connector of the basal cross member (6) (part of the state of the art).
  • the upper right figure shows three units of the lower longitudinal tubular base (5) and the connector of the basal cross member (6) cooperating with each other as a unit, the lower longitudinal tubular foot (7).
  • the lower left representation includes the lower longitudinal tubular foot (7) and three units of the first anchor element (8) (state of the art) and finally the lower right representation shows the integration of the previously mentioned elements.
  • Figure 6/29 Figure 6 shows five three-dimensional isometric views of the lower longitudinal tubular foot (7) with a single first anchor element (8) (state of the art) and an anodic guide heel (9) in position (top left representation).
  • the upper right and lower left representations show the aforementioned elements anchored, in part, through a connecting tube (10).
  • the lower middle and right representations include in the lower longitudinal tubular foot (7), the second pivoting trapping element (12) (state of the art) and two first anchor elements (8) (state of the art). Also in the lower middle representation, the connecting tubes of the first anchor element to the anodic guide (11) are seen.
  • Figure 7 shows five three-dimensional isometric views, as a continuation of Figure 6 where, to the lower longitudinal tubular foot (7), the second pivoting trapping element (12) (state of the art) and two first anchor elements (8) (state of the art) are attached two cathodic guide heels, anchored by two extra cathodic guide heel connecting tubes (10) and in turn covered by the connecting tube caps (14), in the lower left view. Also in the aforementioned view and in the lower right view, it can be seen how two smaller connecting tubes (18) and a perforated connecting tube (15) cross the lower longitudinal tubular foot (7).
  • Figure 8 shows two sets of views of the different ways in which the major and minor connecting tubes are connected to each other or to structures such as the lower longitudinal tubular base (5).
  • the minor connecting tubes (18) give connectivity and structurability to the self-supporting tubular structure system (2) of the present development.
  • the major connecting tubes (15), (16) and (17), partially envelop the minor conductive tubes (18).
  • the major connecting tubes come in three forms, such as:
  • Slotted major connecting tube (17) that mainly guides and anchors the first anchor elements (8) (state of the art) and also reinforces structures by wrapping the minor connecting tube (18) that passes through the upper minor hole (20) of the lower longitudinal tubular base (5), and
  • Figure 9 shows two three-dimensional isometric views of a unit of the lower longitudinal tubular base (5), where the central minor hole (19), the upper minor hole (20) and the lower major hole (21) can be clearly seen. Also seen, above the upper minor hole (20), is the upper anchoring slot (22), where the first anchor element (8) is positioned (state of the art) through its lower tab (23). On the lower side of the lower longitudinal tubular base (5), next to the lower major hole (21), there are two connection depressions (24) when connecting the basal crossbar with the lower longitudinal beam (State of the art).
  • Figure 10 shows two three-dimensional isometric views of the cathodic guide bead on the right and the anodic guide bead on its left.
  • Figure 11 shows two views of the lower tubular structure with its respective lower longitudinal tubular feet formed by groups of three lower longitudinal tubular bases.
  • Figure 12 shows a lateral view of a lower tubular structure interacting with an electrolyte distribution device, part of the state of the art (PCT/CL2018/050092).
  • the upper image shows a lower longitudinal tubular base coupled to a basal crossbar (state of the art).
  • the same lower longitudinal tubular base, the basal crossbar, and the electrolyte distribution device can be seen.
  • Figure 13 shows two three-dimensional isometric views of lower longitudinal tubular bases, the basal crossbar (state of the art) and its connection with the larger and smaller connecting tubes.
  • the figure in the center shows a full-length anode guide. It also shows specific areas where the guide serves a purpose.
  • This figure shows the connection of the anodic guide to the lower longitudinal tubular foot.
  • This figure shows a cathodic guide in its entirety, with some zooms to view specific parts.
  • This figure specifically shows the double clamp that grips the upper tubular structure (35) with all its parts and pieces.
  • This figure shows the assembly of the lower part of the tubular self-supporting structure system.
  • Figure 19/29 This figure shows the lower part of the tubular self-supporting structure system from the front, but with the integration of the cathodic and anodic guides, and the connection with the major and minor connecting tubes.
  • This figure shows the assembly of the tubular self-supporting structure system comprising various units of the lower longitudinal tubular foot, anode guides, electrolyte distribution device and the upper tubular skeleton.
  • This figure shows the assembly of the upper tubular skeleton assembly comprising two discontinuous tubes mounted one above the other and separated from each other by clamps and separators, which form two rectangles of mounted tubes.
  • This figure shows the assembly, in part, of the entire tubular self-supporting structure system comprising several units of the lower longitudinal tubular foot, anodic guides, cathodic guides, electrolyte distribution device and the upper tubular skeleton.
  • This figure shows the assembly of the tubular system with some anodic guides and the organic separation device.
  • the figure on the left shows the detail of the Residence Drawer, while the figure on the right shows the interior detail of the drawer.
  • the present figure shows, on the right hand side, the detail and integration of the wall with locks into the system of the present development and, on the left hand side, the detail of the wall itself.
  • the numbers have the following components:
  • the present figure shows a zoom from inside the tank and how the mesh is positioned to prevent the anti-fog balls from escaping; on the right, the same configuration mentioned above is shown, but from outside the tank and how this mesh is attached to the upper tubular skeleton, integrated into an old electro-obtaining system in its cell.
  • This image shows two photographs from August 30, 2022. On the right, a cathode harvest with the currently developed system shows no organic residue on the top. The left image shows cathodes stained with organic residue on the top.
  • This image shows the prototype of the present system tested at Codelco RT in operation.
  • the upper part shows the residence box (68), and the lower part shows the entire tank with the different elements of the present system.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Metals (AREA)

Abstract

Système de structure modulaire tubulaire autoportante pour l'électro-obtention de métaux, soit dans une cellule déjà opérationnelle, soit dans une cuve, et pour la récupération des composés organiques parce qu'il comprend : des guides anodiques (4) intercalés de guides cathodiques (3) adaptés pour être fixés à des tubes, qui sont adossés à un squelette tubulaire supérieur (53), des pieds tubulaires (7) reliés à des tubes connecteurs (15), (16), (17), (18), formant la poutre longitudinale inférieure (34), séparés par des traverses de base (64), les différents éléments cités étant standardisés et assemblés en fonction de la longueur et de la largeur de la cuve ou de la cellule, comprenant, en outre, un dispositif de séparation de composés organiques. L'invention concerne également un dispositif de séparation de composés organiques et un procédé de séparation de composés organiques.
PCT/CL2023/050122 2023-12-05 2023-12-05 Système de structure modulaire ; dispositif de séparation de composés organiques et son procédé Pending WO2025118090A1 (fr)

Priority Applications (1)

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Citations (9)

* Cited by examiner, † Cited by third party
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US20030051996A1 (en) * 2001-03-09 2003-03-20 Phelps Dodge Corporation Apparatus for controlling flow in an electrodeposition process
US20100065433A1 (en) * 2008-09-12 2010-03-18 Victor Vidaurre Heiremans System and apparatus for enhancing convection in electrolytes to achieve improved electrodeposition of copper and other non ferrous metals in industrial electrolytic cells
JP2017057508A (ja) * 2017-01-04 2017-03-23 三菱マテリアル株式会社 金属の電解精製方法、電解精製装置
CN106757152A (zh) * 2017-01-18 2017-05-31 浙江科菲科技股份有限公司 一种高杂铜阳极板电解与低铜溶液电积的装置及电解或电积方法
CN108441895A (zh) * 2018-05-03 2018-08-24 四川大学 一种循环电解系统
WO2019161514A1 (fr) * 2018-02-20 2019-08-29 Salazar Soto Boris Edgardo Système modulaire de centrage et d'alignement d'électrodes et couvre bords permanents de cathodes dans des cellules électrolytiques
US20210054515A1 (en) * 2018-03-22 2021-02-25 Victor Eduardo VIDAURRE HEIREMANS Electrochemical reactor for processes for non-ferrous metal electrodeposition, which comprises a set of apparatuses for gently agitating an electrolyte, a set of apparatuses for containing and coalescing an acid mist, and a set of apparatuses for capturing and diluting acid mist aerosols remaining in the gas effluent of the reactor
WO2021184132A1 (fr) * 2020-03-17 2021-09-23 New Tech Copper Spa Dispositif de capture anodique pivotant
CL2021000759A1 (es) * 2018-10-05 2021-09-24 New Tech Copper Spa Sistema de estructura auto-soportante ensamblable por piezas y adaptable al espacio dispuesto para la electro-obtención de metales, tanto en una celda ya operativa o en una cuba, (sele ng); método de armado; y método de extracción de lodos.

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030051996A1 (en) * 2001-03-09 2003-03-20 Phelps Dodge Corporation Apparatus for controlling flow in an electrodeposition process
US20100065433A1 (en) * 2008-09-12 2010-03-18 Victor Vidaurre Heiremans System and apparatus for enhancing convection in electrolytes to achieve improved electrodeposition of copper and other non ferrous metals in industrial electrolytic cells
JP2017057508A (ja) * 2017-01-04 2017-03-23 三菱マテリアル株式会社 金属の電解精製方法、電解精製装置
CN106757152A (zh) * 2017-01-18 2017-05-31 浙江科菲科技股份有限公司 一种高杂铜阳极板电解与低铜溶液电积的装置及电解或电积方法
WO2019161514A1 (fr) * 2018-02-20 2019-08-29 Salazar Soto Boris Edgardo Système modulaire de centrage et d'alignement d'électrodes et couvre bords permanents de cathodes dans des cellules électrolytiques
US20210054515A1 (en) * 2018-03-22 2021-02-25 Victor Eduardo VIDAURRE HEIREMANS Electrochemical reactor for processes for non-ferrous metal electrodeposition, which comprises a set of apparatuses for gently agitating an electrolyte, a set of apparatuses for containing and coalescing an acid mist, and a set of apparatuses for capturing and diluting acid mist aerosols remaining in the gas effluent of the reactor
CN108441895A (zh) * 2018-05-03 2018-08-24 四川大学 一种循环电解系统
CL2021000759A1 (es) * 2018-10-05 2021-09-24 New Tech Copper Spa Sistema de estructura auto-soportante ensamblable por piezas y adaptable al espacio dispuesto para la electro-obtención de metales, tanto en una celda ya operativa o en una cuba, (sele ng); método de armado; y método de extracción de lodos.
WO2021184132A1 (fr) * 2020-03-17 2021-09-23 New Tech Copper Spa Dispositif de capture anodique pivotant

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