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WO2018095897A1 - Production de dispersants pour suspensions solides à partir de matériaux de type vinasse - Google Patents

Production de dispersants pour suspensions solides à partir de matériaux de type vinasse Download PDF

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Publication number
WO2018095897A1
WO2018095897A1 PCT/EP2017/079887 EP2017079887W WO2018095897A1 WO 2018095897 A1 WO2018095897 A1 WO 2018095897A1 EP 2017079887 W EP2017079887 W EP 2017079887W WO 2018095897 A1 WO2018095897 A1 WO 2018095897A1
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WO
WIPO (PCT)
Prior art keywords
dispersant
mineral
phase
vinasse
feed material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2017/079887
Other languages
English (en)
Inventor
Shailesh SANGLE
Ulf Velten
Harald RIEBANDT
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sika Technology AG
Original Assignee
Sika Technology AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sika Technology AG filed Critical Sika Technology AG
Priority to BR112019010104A priority Critical patent/BR112019010104A2/pt
Priority to MX2019005860A priority patent/MX2019005860A/es
Publication of WO2018095897A1 publication Critical patent/WO2018095897A1/fr
Anticipated expiration legal-status Critical
Priority to CONC2019/0006595A priority patent/CO2019006595A2/es
Ceased legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/12Nitrogen containing compounds organic derivatives of hydrazine
    • C04B24/14Peptides; Proteins; Derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039Premixtures of ingredients
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/40Surface-active agents, dispersants
    • C04B2103/408Dispersants
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/10Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
    • C04B2111/1062Halogen free or very low halogen-content materials
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Definitions

  • renewable raw materials or by products of industrial processes may comprise a relatively large amount if halides, especially chlorides.
  • chloride contents can be as high as 1 - 10 wt.-%.
  • dispersants or setting retarders for binder compositions When using such materials e.g. as dispersants or setting retarders for binder compositions, the corrosion of reinforcement structures may become a serious problem. Consequently, there are standards or recommendations which are regulating the maximum allowed chloride content in concrete admixtures (see e.g. standard EN 934-1 ) or in concrete (see e.g. standard EN 206-1 , recommendation ACI 222R or ACI 318/318R).
  • the method should allow for producing dispersants with a loss of active raw material as low as possible, a high through put and without excessive maintenance, cleaning or regeneration needs of the equipment. At the same time, the method should make it possible to obtain dispersants with a high solid content. Especially, the method should also allow for producing dispersants with a proportion of halides, especially chlorides, as low as required for applications as concrete admixtures, in particular as low as needed to pass local standards regarding chloride content in admixtures or in concrete.
  • the core of the invention is a method for producing a dispersant for mineral suspensions comprising the steps of: a) Providing a vinasse type material as a feed material; b) Passing the feed material through at least one nanofiltration stage in order to separate the feed material into a retentate phase and at least one filtrate phase; c) Collecting the retentate phase previously obtained and providing it as the dispersant.
  • the invention relates to a use of at least one nanofiltration stage for producing a dispersant for mineral suspensions from vinasse type material.
  • the use preferably comprises the steps of: a) Providing a vinasse type material as a feed material; b) Passing the feed material through the at least one nanofiltration stage in order to separate the feed material into a retentate phase and at least one filtrate phase; c) Collecting the retentate phase previously obtained and providing it as the dispersant.
  • the nanofiltration stage is not used in combination with an electrochemically based filtration stage, in particular the nanofiltration stage is not used in combination with an electrodialysis stage.
  • the vinasse type material consists of vinasse, in particular vinasse derived from sugar cane and/or sugar beet. Vinasse can be treated with the inventive method in an especially efficient manner.
  • the vinasse type materials or feed material used in the present invention may initially have a solid content of about 10 - 70 wt.%, especially 20 - 60 wt.% or 30 - 60 wt.% with respect to the total weight of the vinasse type material or the feed material, respectively.
  • the composition of the vinasse may vary.
  • a sugar content of the vinasse may be 0.5 - 20 wt.-%, especially 2 - 15 wt.-%, with respect to the dry weight of the vinasse.
  • a proportion of protein may be in the range of 8 - 50 wt.-%, especially 10 - 40 wt.-%, with respect to the dry weight of the vinasse.
  • the vinasse is derived from sugar cane and/or sugar beet.
  • the vinasse type materials shall be purified by using a filtration method.
  • “Nanofiltration” is a membrane-based filtration method that uses in particular nanometer sized through-pores that pass through the membrane. Typically, a pore size in nanofiltration is about 0.001 - 0.002 ⁇ , especially about 0.001 ⁇ .
  • a molecular weight cut-off (MWCO) with nanofiltration is in particular in the range of 100 - 8 ⁇ 00 Daltons.
  • the “molecular weight cut-off” refers in particular to the molecular weight at which 90% of the analytes (or solutes) are prohibited from passing the membrane.
  • the at least one nanofiltration stage comprises a membrane having a molecular weight cut-off (MWCO) in the range of 100 - 8 ⁇ 00 Daltons, especially 1 10 - 5 ⁇ 00 Daltons, in particular 150 - 1 ⁇ 00 Daltons, especially preferred 200 - 800 Daltons, for example 200 - 300 Daltons.
  • MWCO molecular weight cut-off
  • the at least one nanofiltration stage comprises an inorganic and/or organic membrane, especially an organic membrane, preferably a polyamide based membrane and/or a polysulfone based membrane.
  • an organic membrane especially a polyamide based membrane and/or a polysulfone based membrane.
  • Such membranes have been found especially advantageous when producing dispersants from vinasse type materials.
  • such membranes allow for efficiently removing halides, especially chlorides, and at the same time obtaining a high throughput of feed material.
  • other membranes with a different molecular weight cut-off or made from other materials might be useful as well.
  • the membrane of the first nanofiltration stage might be different from the membrane of the second nanofiltration stage, e.g. in terms of molecular weight cut-off, membrane material, pore size and/or structure.
  • Using at least two nanofiltration stages in series surprisingly helps to optimize the removal of halide atoms, especially chloride atoms, while simultaneously ensuring a high throughput of feed material without clogging of membrane pores.
  • the retention phase from a previous nanofiltration stage is passed through a further nanofiltration stage.
  • This procedure further helps, to reduce the proportions of halide atoms, especially chloride atoms, in the retentate or the dispersant, respectively.
  • the intermediate retentate obtained in step b) is diluted with a solvent, especially with water, before passing the intermediate retentate phase once again through the first nanofiltration stage and/or through a second nanofiltration stage.
  • a solvent especially with water
  • 5 - 50 wt.-%, especially 10 - 30 wt.-% of solvent is added to the intermediate retentate.
  • Such a dilution further helps to improve the overall process.
  • the reduction of halide concentration depends on the initial proportion of halides in the feed material and the desired level of halides in the dispersant.
  • the parameters of the inventive method are adapted accordingly.
  • a dispersant consists of 30 wt.-% of vinasse and the 30 wt.-% vinasse has a chloride content of 0.65 wt.-%
  • the chloride content needs to be reduced by 86 % to obtain a final chloride proportion of 0.09 wt.-% in the dispersant which is for example in line with the standard EN 934-1 .
  • a dispersant contains only 25 % of a 30 wt.-% vinasse and the 30 wt.-% vinasse has a chloride content of 0.65 wt.-%
  • a four times higher chloride content of the 30 wt.-% vinasse can be accepted. This does mean that the chloride content of the 30 wt.-% vinasse has to be reduced from 0.65 wt.-% to a target concentration of 0.36 wt-.%, which corresponds to a reduction of 45% only.
  • the final admixture based on 25% of a 30 wt.-% vinasse with a final chloride content of 0.36 wt.-% would pass the standard EN 934-1 with a final chloride concentration of 0.09%.
  • a halide concentration, in particular a chloride concentration, in the retentate phase collected in step c) is reduced by >10 wt.-%, especially 30 wt.-%, in particular > 50 wt.-%, preferably >70 wt.-% or even > 90 wt.-%, with respect to the halide concentration of the vinasse type feed material provided in step a).
  • a halide concentration, in particular a chloride concentration, in the retentate phase collected in step c) is reduced by 10 - 100 wt.-%, especially 20 - 90 wt.-%, in particular 30 - 80 wt.-% or 50 - 80 wt.-%, with respect to the halide concentration of the vinasse type feed material provided in step a).
  • a concentration of organic material, e.g. acids and salts of organic acids and/or proteins, in the retentate phase is reduced by less than 25 wt.-%, especially less than 10 wt.-%, in particular less than 5 wt.-%, preferably less than 2 wt.-% or less than 1 wt.-%, with respect to the concentration of organic material in the vinasse type feed material.
  • organic material e.g. acids and salts of organic acids and/or proteins
  • the method may also be performed without concentrating the vinasse type materials.
  • inventive method or use does not comprise any
  • electrochemically driven separation processes in particular it does not comprise electrodialysis of the feed material and/or of a retention phase.
  • electrochemically driven separation processes such as
  • electrodialysis at least partially remove organic materials, in particular acids and acid salts, in the feed material. This in turn leads to a reduced water reduction when using the purified vinasse type materials as plasticizer for hydraulically setting compositions.
  • the inventive method or use does not comprise any ion exchange processes of the feed material and/or of a retention phase. Due to the rather high proportions of halides to be removed from vinasse type materials, ionic exchange requires excessive maintenance, cleaning or regeneration. From an economical point of view and in terms of technical effort, such processes are disadvantageous in the present context.
  • the vinasse type material in step b) and/or during nanofiltration, is subjected to a pressure of 0.5 - 500 kg/cm 2 , especially 1 - 250 kg/cm 2 , in particular 5 - 100 kg/cm 2 , preferably 10 - 75 kg/cm 2 or 20 - 50 kg/cm 2 .
  • the pressure is given with regard to a conventional standard value of the gravitational constant of 9.80665 m/s 2 .
  • step b) the feed material is passed through a mesh filter, especially with a mesh size from about 15 - 300 ⁇ , preferably 25 - 200 ⁇ , especially preferred 30 - 70 ⁇ .
  • the so obtained filtrate can then be used as the feed material in step b).
  • the feed material is passed through a microfiltration stage, especially with pore size from about 0.1 - 10 ⁇ , preferably 1 - 8 ⁇ , especially preferred 3 - 7 ⁇ .
  • the so obtained filtrate can then be used as the feed material in step b).
  • the feed material is first passed through a mesh filter and subsequently the feed material is passed through a microfiltration stage.
  • the so obtained filtrate is then used as the feed material in step b).
  • Beneficial mesh filters and microfiltration stage are described above.
  • a mesh filter and/or microfiltration stage helps to eliminate interfering particles in the feed materials which in turn further increases filter efficiency at the
  • nanofiltration stage(s) nanofiltration stage(s).
  • prefilter systems might be used as well or prefilter systems might be avoided.
  • Another aspect of the present invention is concerned with a dispersant for mineral suspensions, obtainable or obtained by an inventive method as described above.
  • a dispersant can be used for example as a dispersing agent, plasticizer and/or water reducer for mineral suspensions and/or mineral binder compositions, in particular for hydraulically setting mineral binder compositions, especially preferred for cementitious mineral binder compositions.
  • the dispersant might as well be used as a dispersing agent for other purposes.
  • a further aspect of the present invention is related to a use of a dispersant as described above as a dispersing agent, plasticizer and/or water reducer for mineral suspensions and/or mineral binder compositions, in particular for hydraulically setting mineral binder compositions, especially preferred for cementitious mineral binder compositions.
  • the dispersant is used in relation to the mineral material, especially the mineral binder, preferably with a fraction of 0.01 to 10 wt.-%, especially 0.1 to 5 wt.-% or 0.5 to 2 wt.-%.
  • the fraction here pertains especially to the solid content of the dispersant.
  • the dispersant according to the present invention can be used alone or in combination with one or more plasticizers.
  • the set retarder is for example a glucose/corn syrup (with varying amounts of glucose, oligo- and polysaccharides), glucose, gluconate, hydrogenated glucose products and/or or waste products like further vinasse type materials or molasses (sugar production) as well as other sugar or sugar acid types.
  • the plasticizer involves in particular a polycarboxylate, especially a polycarboxylate ether.
  • the plasticizer is a comb polymer comprising a backbone to which anionic groups and/or their salts and polyalkylene glycol chains are connected.
  • the polycarboxylate ethers are normally produced in a polymerization process or via a polymer analogous condensation reaction.
  • Such comb polymers are also distributed commercially by Sika für AG under the brand name ViscoCrete ® .
  • This can be, for example, a hydraulic binder (such as cement or hydraulic lime), a latent hydraulic binder (such as slag), a pozzolanic binder (such as fly ash or natural pozzolans) or a nonhydraulic binder (plaster).
  • a hydraulic binder such as cement or hydraulic lime
  • a latent hydraulic binder such as slag
  • a pozzolanic binder such as fly ash or natural pozzolans
  • plaster nonhydraulic binder
  • cementitious binder or a “cementitious binder composition” meaning in the present case in particular a binder or a binder composition with a fraction of at least 5 wt.-%, especially at least 20 wt.-%, preferably at least 35 wt.-%, especially at least 65 wt.-% cement clinker.
  • the binder or a binder composition is at least 95 wt.-% made up of cement clinker.
  • a "cementitious binder” or a “cementitious binder composition” is based on cement which is defined e.g. in the standards EN 197-1 or ASTM C150 or ASTM C595.
  • a fraction of the cement clinker in the overall "cementitious binder” or a “cementitious binder composition” preferably amounts to at least 5 wt.-%, especially at least 20 wt.-%, preferably at least 35 wt.-%, especially at least 65 wt.- %.
  • the "cementitious binder” or a “cementitious binder composition” is at least 95 wt.-% made up of cement clinker.
  • the "mineral binder” or the “mineral binder composition” can also be advantageous for the "mineral binder” or the “mineral binder composition” to contain other binders in addition to or instead of a hydraulic binder.
  • binders in addition to or instead of a hydraulic binder.
  • These are, in particular, latent hydraulic binders and/or pozzolanic binders.
  • Suitable latent hydraulic and/or pozzolanic binders are, e.g., slag, fly ash, silica dust and/or natural pozzolans.
  • the binder composition can contain inert substances such as ground limestone, ground quartz, and/or pigments.
  • the mineral binder contains 5 to 95 wt.-%, especially 5 to 65 wt.-%, particularly 15 to 35 wt.-% of latent hydraulic and/or pozzolanic binders.
  • the mineral suspension is a mineral binder composition containing a mineral binder and a dispersant as described above.
  • a fraction of the dispersant in relation to the mineral binder amounts in particular to 0.01 to 10 wt.-%, preferably 0.1 to 5 wt.-% or 0.5 - 2 wt.-%.
  • the fraction here pertains especially to the solid content of the dispersant.
  • the mineral binder and the dispersant are defined here as described above.
  • the binder composition can be present for example in dry form or as a fluid or stiffened binder composition made with added water.
  • the binder composition contains in addition water, wherein a weight ratio of water to mineral binder lays preferably in the range of 0.25 to 0.8, especially 0.3 to 0.7, preferably 0.4 to 0.6.
  • a weight ratio of water to mineral binder lays preferably in the range of 0.25 to 0.8, especially 0.3 to 0.7, preferably 0.4 to 0.6.
  • Such binder compositions can be worked directly as mortar mixtures or concrete mixtures.
  • the invention is also related to a molded body, which is obtainable by hardening of a binder composition as described above after adding water.
  • the molded body so produced can have practically any desired shape and it can be, for example, part of a construction project, such as a building, a wall or a bridge.
  • Another aspect concerns a method for preparing a mineral suspension, in particular a mineral binder composition, whereby a dispersant as described above, is added to a mineral material, especially a mineral binder, preferably a hydraulic mineral binder.
  • the dispersant can for example be mixed in with the add water for the binder composition, which is then used to stir the binder composition. It is also possible to add dispersant or the composition containing same directly to the mineral material or binder and to mix in the add water before and/or later on, if necessary. Even it is possible that only one part of the dispersant is mixed with the add water and the other part is added before, with and/or after the addition of the add water to the binder composition.
  • the intermediate retentate phase IR was diluted by addition of water W (20 wt.-% with respect to the total weight of IR) and passed through a second nanofiltration stage S2, in order to obtain the retention phase R and a second filtrate phase F2.
  • the first and the second nanofiltration stage were identical in terms of membranes.
  • the inventive method clearly allows for reducing the chloride content the values below 0.5 wt.-% (P1 ) or 1 .4 wt.-% (P2) in the final retentate phase R when compared with the initial content in the feed material FM. Consequently, the chloride content in filtrate phases F1 and F2 is significantly increased.
  • the process conditions can be adjusted to achieve higher solids content after the filtration process. E.g. for process P1 with vinasse from bioethanol production, the solid contents in the retentate phases (IR, R) are even higher than the solid content of the feed material (FM). This means that the vinasse is concentrated during the filtration process.
  • the inventive method can be used to reduce the amount of halides in vinasse type materials and at the same time increase the solid content of vinasse type materials.
  • the retentate phase R resulting from process P2 has been used as dispersant D for further testing.
  • dispersants DO, D1 and D2 have been provided or produced, respectively:
  • the dispersants were used as an aqueous solution with a fraction of 0.5 wt.-% of the total binder content consisting of cement and fly ash.
  • the dispersants were mixed in advance with the amount of water used for the concrete so that a homogenous solution was obtained.
  • the sands, aggregates, cement and fly ash were added in a drum mixer and the dry mix was mixed for 30 seconds. Afterwards the water, including the dispersant, was added and the wet mix was mixed for additional 3 minutes.
  • the slump of the concrete mixtures was measured immediately after preparing the concrete and also after 30 minutes and 60 minutes. Furthermore, the compressive strength of the concrete mixtures was determined 3 days (3 d), 7 days (7 d), 14 days (14 d) and 28 days (28 d). Also, the setting time of the concrete mixtures was determined.
  • dispersants D1 and D2 both comprising vinasse which have been treated according to the inventive method, are highly similar to the commercially available lignosulfonate based dispersant DO in terms of plasticizing effect, set retardation and compressive strength.
  • dispersants which are produced according the present invention have after the purification process the desired properties of fresh and hardened concrete.
  • the dispersants according to the invention are compatible with existing mid-range water reducers and can be used for such kind of water reducers in different combinations.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Fats And Perfumes (AREA)

Abstract

La présente invention concerne un procédé de production d'un dispersant pour des suspensions minérales comprenant les étapes consistant : a) à fournir un matériau de type vinasse en tant que matériau d'alimentation ; b) à faire passer le matériau d'alimentation à travers au moins un étage de nanofiltration afin de séparer le matériau d'alimentation en une phase de rétentat et au moins une phase de filtrat ; c) à collecter la phase de rétentat précédemment obtenue et à la fournir en tant que dispersant.
PCT/EP2017/079887 2016-11-22 2017-11-21 Production de dispersants pour suspensions solides à partir de matériaux de type vinasse Ceased WO2018095897A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR112019010104A BR112019010104A2 (pt) 2016-11-22 2017-11-21 produção de dispersantes para suspensões sólidas a partir de materiais do tipo vinhaça
MX2019005860A MX2019005860A (es) 2016-11-22 2017-11-21 Produccion de dispersantes para suspensiones solidas a partir de materiales de tipo de vinaza.
CONC2019/0006595A CO2019006595A2 (es) 2016-11-22 2019-06-20 Producción de dispersantes para suspensiones sólidas a partir de materiales de tipo de vinaza

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16200061.6 2016-11-22
EP16200061 2016-11-22

Publications (1)

Publication Number Publication Date
WO2018095897A1 true WO2018095897A1 (fr) 2018-05-31

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PCT/EP2017/079887 Ceased WO2018095897A1 (fr) 2016-11-22 2017-11-21 Production de dispersants pour suspensions solides à partir de matériaux de type vinasse

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BR (1) BR112019010104A2 (fr)
CO (1) CO2019006595A2 (fr)
MX (1) MX2019005860A (fr)
WO (1) WO2018095897A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024221752A1 (fr) * 2023-04-28 2024-10-31 东莞市众智达生物新材料有限公司 Charge utilisant des drêches de distillerie en tant que matière première, son procédé de préparation et son utilisation

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WO2004002938A1 (fr) * 2002-06-26 2004-01-08 Finnfeeds Finland Oy Procede d'extraction de betaine
WO2005062800A2 (fr) 2003-12-18 2005-07-14 Ionics, Incorporated Procede de production de lignosulfonate et produit associe
JP2012246254A (ja) * 2011-05-27 2012-12-13 Masatsugu Yamashita プソイドフルクトースの製造法
WO2013058761A1 (fr) * 2011-10-21 2013-04-25 Compass Water Solutions, Inc. Système de traitement des eaux usées
CN102020431B (zh) * 2009-09-10 2014-09-17 路易斯·佩雷斯·巴兰那卡 使用甘蔗糖蜜蒸馏得到的酒糟制备混凝土外加剂的方法改进
WO2015094804A1 (fr) * 2013-12-18 2015-06-25 Dow Global Technologies Llc Extraction de composants de valeur à partir de la vinasse de canne
EP2921471A1 (fr) * 2014-03-18 2015-09-23 eRcane Procédé d'extraction de l'acide aconitique à partir de produits issus de l'industrie de la canne à sucre
EP3026032A1 (fr) 2014-11-25 2016-06-01 PORISMA Trading GmbH Additif pour une composition durcissable hydrauliquement

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004002938A1 (fr) * 2002-06-26 2004-01-08 Finnfeeds Finland Oy Procede d'extraction de betaine
WO2005062800A2 (fr) 2003-12-18 2005-07-14 Ionics, Incorporated Procede de production de lignosulfonate et produit associe
CN102020431B (zh) * 2009-09-10 2014-09-17 路易斯·佩雷斯·巴兰那卡 使用甘蔗糖蜜蒸馏得到的酒糟制备混凝土外加剂的方法改进
JP2012246254A (ja) * 2011-05-27 2012-12-13 Masatsugu Yamashita プソイドフルクトースの製造法
WO2013058761A1 (fr) * 2011-10-21 2013-04-25 Compass Water Solutions, Inc. Système de traitement des eaux usées
WO2015094804A1 (fr) * 2013-12-18 2015-06-25 Dow Global Technologies Llc Extraction de composants de valeur à partir de la vinasse de canne
EP2921471A1 (fr) * 2014-03-18 2015-09-23 eRcane Procédé d'extraction de l'acide aconitique à partir de produits issus de l'industrie de la canne à sucre
EP3026032A1 (fr) 2014-11-25 2016-06-01 PORISMA Trading GmbH Additif pour une composition durcissable hydrauliquement

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024221752A1 (fr) * 2023-04-28 2024-10-31 东莞市众智达生物新材料有限公司 Charge utilisant des drêches de distillerie en tant que matière première, son procédé de préparation et son utilisation

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