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EP3008217A1 - Additif pour procédés métallurgiques, son procédé de production et son utilisation dans des masses fondues métallurgiques - Google Patents

Additif pour procédés métallurgiques, son procédé de production et son utilisation dans des masses fondues métallurgiques

Info

Publication number
EP3008217A1
EP3008217A1 EP14738721.1A EP14738721A EP3008217A1 EP 3008217 A1 EP3008217 A1 EP 3008217A1 EP 14738721 A EP14738721 A EP 14738721A EP 3008217 A1 EP3008217 A1 EP 3008217A1
Authority
EP
European Patent Office
Prior art keywords
titanium
metallurgical
aggregate
content
deoxidizer
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.)
Withdrawn
Application number
EP14738721.1A
Other languages
German (de)
English (en)
Inventor
Djamschid Amirzadeh-Asl
Dieter FÜNDERS
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.)
Venator Germany GmbH
Original Assignee
Sachtleben Chemie GmbH
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 Sachtleben Chemie GmbH filed Critical Sachtleben Chemie GmbH
Publication of EP3008217A1 publication Critical patent/EP3008217A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/02—Making special pig-iron, e.g. by applying additives, e.g. oxides of other metals
    • C21B5/023—Injection of the additives into the melting part
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/04—Blast furnaces with special refractories
    • C21B7/06—Linings for furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/06—Deoxidising, e.g. killing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • C21C7/0645—Agents used for dephosphorising or desulfurising
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/16—Making or repairing linings ; Increasing the durability of linings; Breaking away linings
    • F27D1/1678—Increasing the durability of linings; Means for protecting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D2001/0046—Means to facilitate repair or replacement or prevent quick wearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/16—Making or repairing linings ; Increasing the durability of linings; Breaking away linings
    • F27D1/1678—Increasing the durability of linings; Means for protecting
    • F27D1/1684—Increasing the durability of linings; Means for protecting by a special coating applied to the lining
    • F27D2001/1689—Increasing the durability of linings; Means for protecting by a special coating applied to the lining obtained from materials added to the melt

Definitions

  • the present invention relates to an aggregate for metallurgical
  • Vacuum units e.g. Proboscis of RH plants, slagging zones of
  • these incorporated titanium carriers form highly refractory titanium compounds in the region of the respective liquid phases, such as TiC, TiNN and TiCN compounds.
  • the fire resistance of these compounds is usually over 2500 ° C. - -
  • titanium support in the metallurgical systems is usually about the blowing of the same by means of a blowing-in and / or on the introduction of these titanium support as a shaped body, which are then fed to the metallurgical system as needed.
  • Another effect of the amounts of titanium introduced into metallurgical systems is the setting of dissolved nitrogen and carbon in liquid metals and influencing the solidification structure of the respective crystals. It has been proven that the precipitation of fine-grained titanium compounds, such as titanium nitrides, the grain growth of z. B. iron is braked and the number of iron crystals is increased. The consequences of this are a number of improved mechanical properties of microalloyed steel grades.
  • Sintered body fed via the gout the blast furnaces There, in the course of the metallurgical processes, they are to form TiC, TiN and TiCN compounds which, by depositing on the furnace walls, slow down or completely prevent the wear mechanisms.
  • Slag foaming injection system also produces TiC, TiN and TiCN compounds which reduce wear on the electrodes as well as the refractory lining.
  • TiC, TiN and TiCN compounds are formed by incorporation of synthetic and / or natural titanium supports in components made of carbon or graphite within the component, which are then the
  • alloying agent ferrotitanium, ferrocarbotitanium, titanium-aluminum or titanium metal. These alloying agents are produced very expensive and are therefore very expensive for end users.
  • the employed alloying agents such as ferrotitanium, ferrocarbotitanium and titanium-aluminum generally contain, depending on the product quality and field of application, mainly from 20 to 75% by weight of Ti, from 2 to 10% by weight of Al + Al 2 O 3 , of 0 , 2 to 8 wt% or more Si, and from 20 to 65 wt% or more Fe.
  • a ferrocarbotitanium may, for example, have the following composition of the main constituents: Ti: 30 to 40% by weight; C: 5 to 8% by weight; Si: 3 to 4% by weight; Al: 1 to 2% by weight; Mn: 0.5 wt .-%, balance to 100 wt .-% iron. - -
  • the object of the invention is achieved by providing an aggregate containing synthetic and / or natural titanium-containing materials containing titanium-oxygen compounds, and to deoxidizers and optionally other ingredients such as fluxes, slag formers; - -
  • Desulfurization are enriched, which allow an extremely fast and efficient alloying of iron melt with titanium.
  • titanium-containing additives gives the metallurgical systems the opportunity to both bind off the nitrogen and / or carbon dissolved in the melts, as well as to form various high-refractory spinels.
  • the use of these titanium-containing additives gives the metallurgical systems the opportunity to both bind off the nitrogen and / or carbon dissolved in the melts, as well as to form various high-refractory spinels.
  • the use of these titanium-containing additives gives the opportunity to both bind off the nitrogen and / or carbon dissolved in the melts, as well as to form various high-refractory spinels.
  • Solidification structure of the metals in the sense of modern microalloys can be improved.
  • the durability of the refractory linings and the improvement of the slag quality are of great importance.
  • the invention thus relates to an aggregate for metallurgical processes, characterized by a content of titanium-oxygen compounds-containing materials as titanium carriers and a content of deoxidizer and / or desulfurizing agent.
  • Deoxidizer stoichiometrically coordinated so that the amount of deoxidizer sufficient in the titanium-containing material existing titanium-oxygen compounds in the metallurgical process to reduce more than 55% to titanium.
  • the deoxidizer is preferably selected from the group consisting of calcium, calcium carbide, calcium compounds, CaMg, boron carbide, CaSi,
  • the additive according to the invention has in particular a content
  • titanium-containing material of 20 to 95 wt .-% and a content of
  • Deoxidizer from 5 to 80 wt .-%, each based on the total weight of the aggregate.
  • the weight percentages refer to the - -
  • the titanium-containing material may be selected especially from synthetic or natural titanium dioxide-containing materials or mixtures thereof, which are 20 to 100 wt .-%, preferably 30 to 100 wt .-% and particularly preferably 40 to 100 wt.%. TiO2, calculated from the total titanium content, included.
  • the aggregate may have a content of a further additive selected from fluxes and slag formers individually or mixtures of at least two of these materials, preferably in an amount of 1 to 70 wt .-% based on the total weight of the aggregate.
  • a further additive selected from fluxes and slag formers individually or mixtures of at least two of these materials, preferably in an amount of 1 to 70 wt .-% based on the total weight of the aggregate.
  • the aggregate for metallurgical processes is the content of
  • Embodiment preferably stoichiometrically coordinated so that the amount of deoxidizer is sufficient to stoichiometrically reduce the present in the titanium-containing material titanium dioxide in the metallurgical process to more than 55%, especially more than 65% and especially more than 75% to titanium.
  • the invention relates to the use of synthetic and / or natural raw material resources based on titanium mainly from the chemical industry, as well as the use of existing secondary raw materials for the development of more economical aggregates in the field of
  • Composition can be inexpensively supplied to the respective request points via appropriately adapted addition process.
  • the invention also relates to the feeding of these specially prepared titanium-containing additives in metallurgical devices, in particular by means of cored wires.
  • the invention relates to the method of introducing these specially prepared titanium-containing additives in powder form or as agglomerates and / or granules in the metal or steel melts.
  • the invention further relates to these titanium-containing invention
  • Desulfurizing as a shaped body such as briquettes, pellets or pellets introduce into the metal or steel melts.
  • titanium-containing additives according to the invention gives the metallurgical systems the opportunity to bind both the nitrogen and / or carbon dissolved in the melts, as well as various high-refractory titanium compounds, e.g. as spinels or TiC, TiCN or TiN.
  • various high-refractory titanium compounds e.g. as spinels or TiC, TiCN or TiN.
  • the solidification structure of the metals can be improved in terms of modern microalloys and an increase in the durability of the refractory linings and a
  • the invention also relates to a novel method of using an aggregate containing synthetic and / or natural titanium carriers and optionally containing fluxes with deoxidizer and / or desulfurizing agent to permit extremely rapid and efficient alloying of the molten iron with titanium enable.
  • titanium-containing titanium or titanium dioxide-containing or titanium-oxygen materials
  • these terms are used - - Synonymous used and mean titanium-containing compounds, the titanium-oxygen compounds of natural or synthetic origin, ie also synthetic titanium-oxygen compounds or residues or by-products
  • the deoxidizing and / or desulphurising agents used here for producing these titanium-oxygen compound-containing materials according to the invention as additives are compounds or elements which have a higher affinity for oxygen or sulfur than iron.
  • calcium, calcium carbide, calcium compounds in general, magnesium, aluminum, silicon, sodium, cerium, and others can preferably be used here.
  • metal mixtures or alloys such as CaSiMn, CaSiAl, CaSiMg, MgSi, ZrSiAl u.a. be used in mixtures or individually. All the above compounds or elements may be used singly or in mixture.
  • titanium-containing additives may also contain carbon or carbon-containing materials in addition to the deoxidation and / or desulfurization.
  • Manganese oxide (MnO) in the slag go over.
  • deoxidizing additives such as silicon, calcium, magnesium, calcium silicon, calcium carbide, boron carbide, silicon-calcium-manganese or aluminum, in particular in the form of special iron, manganese and silicon-containing aluminum alloys.
  • deoxidizing additives such as silicon, calcium, magnesium, calcium silicon, calcium carbide, boron carbide, silicon-calcium-manganese or aluminum, in particular in the form of special iron, manganese and silicon-containing aluminum alloys.
  • According to the invention can be used as deoxidizing those which have a higher affinity for oxygen than titanium under the conditions of the metallurgical process and thus among the prevailing in the process
  • the aggregate of synthetic and / or natural titanium carriers may contain, in addition to deoxidizing and / or desulphurising agents, one or more optional fluxes and further additives such as slag formers.
  • the invention thus also has the object of enabling the introduction of these titanium-containing additives according to the invention into metallurgical melts both as powders, granules, agglomerates and shaped bodies such as briquettes, compacts or pellets, as well as via filler wire systems.
  • this additive has the goal to optimize the metallurgical manufacturing processes both in the suitability as an alloying agent, as well as a wear-reducing feedstock.
  • Alloy provides alloying agent, which is both the part of the
  • Alloy requirements desired introduction of titanium allows, and at the same time includes as many of the other alloying agents and beyond can act as deoxidizing and / or desulfurizing. Thus it can be achieved that by adding once this titanium-containing
  • Composition as well as the necessary reduction of unwanted accompanying substances. A significant improvement in cost-effectiveness is the result.
  • the analytically adjusted and blended for this purpose produced titanium-containing additives in terms of the melt systems both as powder, granules, agglomerates, shaped bodies such as briquettes, pellets, sinter, each dry as well as moist with a Water content can be up to 30 wt .-%, as well as added via specially
  • the qualitative adaptation of the Gredrahtsysteme can in advance on various premixes of titanium-oxygen. Compound, deoxidizer and other additives such as flux, slag, desulfurization and other done, which are then added to the cored wire or filling tape (or filled metal cans or containers) during its production. Depending on the requirements of the recorded metallurgical analyzes of the melting process, the decision maker from the various cored wire analyzes can choose the most suitable one.
  • the deoxidizers For a rapid reduction of the titanium-oxygen compound, such as titanium dioxide to titanium metal in the molten metal, it is necessary that the deoxidizers have a higher affinity for oxygen than titanium.
  • the reduction to titanium may be autothermal, i. run without additional energy.
  • the reduction begins immediately, as determined by the prevailing in the melt high
  • the deoxidizers according to the invention which can also serve as desulfurizing agents, are compounds or elements which have a higher affinity for oxygen or sulfur than iron.
  • calcium, calcium carbide, calcium compounds, as well as quicklime (CaO), boron carbide, CaMg, CaSi, magnesium, sodium, cerium, Al, etc. may preferably be used individually or in mixture.
  • mixtures or alloys of metals such as CaSiMn, CaSiAl, CaSiMg, MgSi, ZrSiAl and the like can also be used individually.
  • the desulfurizing agents may thus be the same agents as the aforementioned deoxidizing agents.
  • the additive according to the invention can serve simultaneously as a reducing agent as well as for the removal of sulfur from sulfur compounds in the metallurgical melt.
  • the desulfurizing agent may be oxides of alkali metals or alkaline earth metals or mixtures thereof.
  • the additives according to the invention may, as mentioned above, still contain flux.
  • the flux used are preferably alkali metals, alkaline earth metals and / or compounds thereof, such as fluorides such as CaF 2 , SiO 2 , silicates and the like.
  • the additives according to the invention may also contain slag formers, preferably lime, dolomite, calcium aluminate, olivine, bauxite, andalusite, magnesite, calcium silicate, calcium aluminum silicate. Both natural and synthetic slag formers can be used as slag formers.
  • the aggregates of the present invention containing titanium-containing compounds may also contain Cr, Ni, Mo, Co, V, W, and other or any combinations of these elements, as appropriate to the alloying settings.
  • the materials containing titanium-oxygen compound synthetic materials may be selected from the following materials or mixtures thereof: - -
  • Intermediates, domes, by-products and / or finished products from the production of titanium dioxide can originate from the production of titanium dioxide after the sulphate as well as from the production of titanium dioxide by the chloride process.
  • the intermediate and co-products can be branched off from the ongoing TiO 2 production.
  • Residues from the production of titanium dioxide can originate both from the production of titanium dioxide after the sulphate (digestion residues) and from the production of titanium dioxide by the chloride process and can contain not only TiO 2 but also carbon and SiO 2 as main constituents; If necessary, the materials are pretreated before use for the production of the additive, for example by washing, partial neutralization, neutralization and / or predrying and other optional measures for conditioning.
  • titanium-containing catalysts and / or spent titanium-containing catalysts such as e.g. DENOX catalysts or Claus catalysts, catalysts for polymer production such as PET etc.
  • materials such as natural titanium support, such as. B llmenit, llmenitsand and / or Rutilsand be used as titanium-containing materials.
  • the synthetic and / or natural titanium-containing materials used as alloying agent for the production of the additive according to the invention generally contain about 20 to 100 wt .-%, preferably 30 to 100 wt .-% TiO 2 (calculated from the total titanium content) and particularly preferably 40 to 100% by weight. - -
  • the starting materials are mixed thoroughly in a mixer.
  • a mixer for example, compulsory mixer
  • Intensely mixed deoxidizers and / or fluxes and / or slag formers and / or desulfurizing can be used as needed as a wet product with a water content of up to 30% by weight as needed.
  • the mixture can also be dried as needed and then ground into a mill if necessary.
  • This powdery aggregate with the content of titanium-oxygen compound (s) and deoxidizer can be blown or added directly into the molten metal, or agglomerated, granulated, pelletized, pressed or briquetted prior to use and then added to the molten metal ,
  • inorganic and / or organic binders can be used as needed and, depending on the requirements, can be added thermally
  • the raw materials can also be intensively mixed with one another as filter-moist cakes or with the addition of water, which are then subsequently dried and optionally ground or directly agglomerated, granulated, briquetted, and then dried or in an oven at higher temperatures up to 1200 ° C. be treated. It should be noted that the treatment temperature is below the melting point of the additives.
  • the aggregate may also be subjected to a temperature treatment, or preferably to a drying, particularly preferably also to a thermal treatment
  • the aggregate according to the invention may have, for example, the following compositions: - -
  • the invention thus also relates to the production and use of
  • metallic containers such as cored wires, fillers, metal containers such as
  • Metal cans containing a filling of inventive additive Such a filler wire is for example a filled tube wire.
  • the envelope of the filler wire may be made of a metal such as steel or aluminum or similar metals or alloys. It is preferably a metal which can act as a deoxidizer with respect to the titanium-oxygen compounds.
  • the metallic container with a mixture of titanium-containing material and deoxidizer (s) and
  • metallic containers such as cored wires, filling tapes, metal containers such as metal cans, which themselves as
  • Deoxidizer against titanium oxygen compounds act, so they can with titanium-containing material without admixing a
  • An essential aspect of the invention is therefore also to insert synthetic and / or natural titanium support together with a deoxidizer and other required additives in a conventional flux-cored wire and then the same at the specifically desired locations in the metallurgical
  • the effectiveness of the protective effect can be continuously controlled by means of various measurement and control techniques.
  • Additive in particular in the form of a filler wire, are used.
  • the respective blow molds through which the cored wires can be fed to the furnace interior, according to the wear pattern, which results from the built-in furnace walls temperature measuring devices (thermocouples), precisely defined.
  • the cored wire filled with synthetic and / or natural titanium supports is introduced through the furnace openings into the slag / steel system.
  • the powdered content of the cored wires accumulates in the melts and forms the desired TiC, TiN and TiCN compounds, which are intended to protect the electrodes or the refractory lining of the electric furnace.
  • Desulphurisation plants and / or tundishes in the area of primary, secondary - - And tertiary metallurgy selbige can be enriched with elements that lead to the excretion of highly refractory titanium compounds due to the local thermodynamic conditions.
  • These titanium compounds may be added as needed e.g. the casting time of
  • the solidification structure of iron may be enhanced by incorporation of synthetic and / or natural titanium supports, i.a. Be controlled in a controlled manner by means of filler wires in the process by setting off amounts of nitrogen dissolved in the iron.
  • a cored wire filled with titanium dioxide compounds is fed into the melt-filled melting unit. The wire dissolves in the melt, and the contents are distributed in the desired liquid range.
  • the titanium supports which have also been dissolved in the meantime, develop their effect in that the composition and crystal structure of the respective metals during the solidification process fulfill the wishes of the
  • the entire process can be easily controlled and controlled.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

La présente invention concerne un additif pour procédés métallurgiques, son procédé de production et son utilisation dans des masses fondues métallurgiques et pour augmenter la durabilité de divers systèmes réfractaires et améliorer des processus de désulfuration, des processus de désoxydation et des processus d'alliage.
EP14738721.1A 2013-06-10 2014-06-06 Additif pour procédés métallurgiques, son procédé de production et son utilisation dans des masses fondues métallurgiques Withdrawn EP3008217A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013105998 2013-06-10
PCT/DE2014/100192 WO2014198261A1 (fr) 2013-06-10 2014-06-06 Additif pour procédés métallurgiques, son procédé de production et son utilisation dans des masses fondues métallurgiques

Publications (1)

Publication Number Publication Date
EP3008217A1 true EP3008217A1 (fr) 2016-04-20

Family

ID=51176861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14738721.1A Withdrawn EP3008217A1 (fr) 2013-06-10 2014-06-06 Additif pour procédés métallurgiques, son procédé de production et son utilisation dans des masses fondues métallurgiques

Country Status (3)

Country Link
EP (1) EP3008217A1 (fr)
DE (1) DE102014108076A1 (fr)
WO (1) WO2014198261A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108620063A (zh) * 2018-05-29 2018-10-09 湖北浚然新材料有限公司 一种炼厂干气脱氧催化剂及其制备方法和应用

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112442568A (zh) * 2020-11-06 2021-03-05 安阳钢铁股份有限公司 一种氧化物冶金用复合脱氧剂及应用
CN113718086A (zh) * 2021-09-09 2021-11-30 襄阳五二五泵业有限公司 一种脱氧造渣材料及其制备方法
CN115074487B (zh) * 2022-06-29 2023-09-22 武汉钢铁有限公司 低碳、低硅、低硫的钛脱氧钢在lf炉脱硫的冶炼方法

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EP0686700A2 (fr) * 1994-06-07 1995-12-13 Metallgesellschaft Ag Agent d'addition contenant du titane et utilisation de ce produit pour améliorer la durabilité du revêtement réfractaire d'un four ou comme agent de scorification
US20070240539A1 (en) * 2004-07-16 2007-10-18 Ingall David J Article for Increasing Titanium Content of Steel
DE102007055751A1 (de) * 2006-12-08 2008-06-12 Sachtleben Chemie Gmbh Titanhaltige Formkörper

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JP5378108B2 (ja) * 2009-08-25 2013-12-25 株式会社神戸製鋼所 取鍋精錬用フラックス
DE102009060821A1 (de) * 2009-12-28 2011-06-30 crenox GmbH, 47829 Verfahren zur Verwertung von titanhaltigen Nebenprodukten

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0686700A2 (fr) * 1994-06-07 1995-12-13 Metallgesellschaft Ag Agent d'addition contenant du titane et utilisation de ce produit pour améliorer la durabilité du revêtement réfractaire d'un four ou comme agent de scorification
US20070240539A1 (en) * 2004-07-16 2007-10-18 Ingall David J Article for Increasing Titanium Content of Steel
DE102007055751A1 (de) * 2006-12-08 2008-06-12 Sachtleben Chemie Gmbh Titanhaltige Formkörper

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* Cited by examiner, † Cited by third party
Title
See also references of WO2014198261A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108620063A (zh) * 2018-05-29 2018-10-09 湖北浚然新材料有限公司 一种炼厂干气脱氧催化剂及其制备方法和应用

Also Published As

Publication number Publication date
WO2014198261A1 (fr) 2014-12-18
DE102014108076A1 (de) 2014-12-11

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