CA2632530A1 - Processus de recuperation de fer a partir de laitier de cuivre - Google Patents

Processus de recuperation de fer a partir de laitier de cuivre Download PDF

Info

Publication number: CA2632530A1
Authority: CA; Canada
Prior art keywords: copper; slag; iron; reductant; recovery
Prior art date: 2005-12-09
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.): Abandoned

Application number

CA 2632530

Other languages

English (en)

Inventor

Archana Agrawal

Kanai Lal Sahoo

Sukomal Ghosh

Banshi Dhar Pandey

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.)

Council of Scientific and Industrial Research CSIR

Original Assignee

Individual

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.)

2005-12-09

Filing date

2005-12-29

Publication date

2007-06-14

2005-12-29 Application filed by Individual filed Critical Individual

2007-06-14 Publication of CA2632530A1 publication Critical patent/CA2632530A1/fr

Status Abandoned legal-status Critical Current

Links

239000010949 copper Substances 0.000 title claims abstract description 92
229910052802 copper Inorganic materials 0.000 title claims abstract description 87
239000002893 slag Substances 0.000 title claims abstract description 86
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 84
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 66
238000000034 method Methods 0.000 title claims abstract description 45
230000008569 process Effects 0.000 title claims abstract description 34
238000011084 recovery Methods 0.000 title claims abstract description 32
229910052742 iron Inorganic materials 0.000 title claims abstract description 30
239000003638 chemical reducing agent Substances 0.000 claims abstract description 27
230000004907 flux Effects 0.000 claims abstract description 9
238000000227 grinding Methods 0.000 claims abstract description 8
229910001018 Cast iron Inorganic materials 0.000 claims abstract description 6
238000006243 chemical reaction Methods 0.000 claims abstract description 5
229910052751 metal Inorganic materials 0.000 claims description 20
239000002184 metal Substances 0.000 claims description 20
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
239000000463 material Substances 0.000 claims description 11
239000000155 melt Substances 0.000 claims description 9
239000000203 mixture Substances 0.000 claims description 9
235000008733 Citrus aurantifolia Nutrition 0.000 claims description 8
235000011941 Tilia x europaea Nutrition 0.000 claims description 8
239000004571 lime Substances 0.000 claims description 8
238000002844 melting Methods 0.000 claims description 8
230000008018 melting Effects 0.000 claims description 8
239000000377 silicon dioxide Substances 0.000 claims description 6
239000010439 graphite Substances 0.000 claims description 5
229910002804 graphite Inorganic materials 0.000 claims description 5
239000002006 petroleum coke Substances 0.000 claims description 5
229910052799 carbon Inorganic materials 0.000 claims description 4
238000005266 casting Methods 0.000 claims description 3
239000006260 foam Substances 0.000 claims description 3
238000005187 foaming Methods 0.000 claims description 3
238000002156 mixing Methods 0.000 claims description 3
238000010079 rubber tapping Methods 0.000 claims description 3
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
229910052791 calcium Inorganic materials 0.000 claims description 2
239000011575 calcium Substances 0.000 claims description 2
229910052749 magnesium Inorganic materials 0.000 claims description 2
239000011777 magnesium Substances 0.000 claims description 2
238000010309 melting process Methods 0.000 claims description 2
239000002699 waste material Substances 0.000 abstract description 11
239000012141 concentrate Substances 0.000 abstract description 8
238000004519 manufacturing process Methods 0.000 abstract description 8
239000008240 homogeneous mixture Substances 0.000 abstract description 4
230000008901 benefit Effects 0.000 abstract description 3
230000007613 environmental effect Effects 0.000 abstract description 3
238000002360 preparation method Methods 0.000 abstract description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
230000009467 reduction Effects 0.000 description 10
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
229910017052 cobalt Inorganic materials 0.000 description 8
239000010941 cobalt Substances 0.000 description 8
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 8
229910045601 alloy Inorganic materials 0.000 description 7
239000000956 alloy Substances 0.000 description 7
150000002739 metals Chemical class 0.000 description 6
239000010970 precious metal Substances 0.000 description 4
238000003723 Smelting Methods 0.000 description 3
239000003575 carbonaceous material Substances 0.000 description 3
229910052759 nickel Inorganic materials 0.000 description 3
239000007787 solid Substances 0.000 description 3
239000000126 substance Substances 0.000 description 3
229910000805 Pig iron Inorganic materials 0.000 description 2
239000000571 coke Substances 0.000 description 2
229910052598 goethite Inorganic materials 0.000 description 2
239000008187 granular material Substances 0.000 description 2
AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 2
SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
239000007788 liquid Substances 0.000 description 2
239000002994 raw material Substances 0.000 description 2
238000004064 recycling Methods 0.000 description 2
229910052710 silicon Inorganic materials 0.000 description 2
239000010703 silicon Substances 0.000 description 2
229910020637 Co-Cu Inorganic materials 0.000 description 1
-1 FeO Chemical compound 0.000 description 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
230000009471 action Effects 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
239000010953 base metal Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000007664 blowing Methods 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
238000012512 characterization method Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000000975 co-precipitation Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
238000010891 electric arc Methods 0.000 description 1
238000009852 extractive metallurgy Methods 0.000 description 1
239000007789 gas Substances 0.000 description 1
239000011361 granulated particle Substances 0.000 description 1
UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
238000007885 magnetic separation Methods 0.000 description 1
238000005058 metal casting Methods 0.000 description 1
238000010310 metallurgical process Methods 0.000 description 1
239000011707 mineral Substances 0.000 description 1
229910052750 molybdenum Inorganic materials 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
239000000843 powder Substances 0.000 description 1
238000011946 reduction process Methods 0.000 description 1
238000007670 refining Methods 0.000 description 1
238000003756 stirring Methods 0.000 description 1
235000011149 sulphuric acid Nutrition 0.000 description 1
238000005979 thermal decomposition reaction Methods 0.000 description 1
231100000041 toxicology testing Toxicity 0.000 description 1
238000009736 wetting Methods 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/0054—Slag, slime, speiss, or dross treating
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/04—Working-up slag
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- 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
- C21C2300/00—Process aspects
- C21C2300/04—Avoiding foam formation
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Mechanical Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
Environmental & Geological Engineering (AREA)
General Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Manufacture And Refinement Of Metals (AREA)

CA 2632530 2005-12-09 2005-12-29 Processus de recuperation de fer a partir de laitier de cuivre Abandoned CA2632530A1 (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
IN3331DEL2005		2005-12-09
IN3331DE2005		2005-12-09
PCT/IN2005/000452 WO2007066350A1 (fr)	2005-12-09	2005-12-29	Processus de récupération de fer à partir de laitier de cuivre

Publications (1)

Publication Number	Publication Date
CA2632530A1 true CA2632530A1 (fr)	2007-06-14

Family

ID=36499109

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2632530 Abandoned CA2632530A1 (fr)	2005-12-09	2005-12-29	Processus de recuperation de fer a partir de laitier de cuivre

Country Status (6)

Country	Link
US (1)	US20070283785A1 (fr)
KR (1)	KR20080081258A (fr)
AU (1)	AU2005338902B2 (fr)
CA (1)	CA2632530A1 (fr)
MY (1)	MY144628A (fr)
WO (1)	WO2007066350A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN101886154B (zh) *	2010-07-02	2012-06-20	昆明理工大学	一种铜渣与铁矿石混合熔融还原制得低铜铁水的方法
CN101921919B (zh) *	2010-09-09	2011-12-21	山东天力干燥股份有限公司	一种熔融铜渣综合利用工艺及其***
FI124912B (fi) *	2012-04-16	2015-03-31	Outotec Oyj	Menetelmä ei-rautametallien metallurgisten kuonien käsittelemiseksi
KR101272291B1 (ko) *	2012-09-07	2013-06-07	한국지질자원연구원	물리화학적 선별법에 의한 구리, 아연, 납 등 비철제련공정에서 배출되는 폐비철 슬래그로부터 철을 분리 회수하는 방법
CN103060502B (zh) *	2013-01-14	2014-03-26	白银龙家丰金属渣综合利用有限公司	利用铜废渣一次性还原炼硅酸铁工艺
KR101295157B1 (ko) *	2013-04-30	2013-08-09	한국지질자원연구원	코발트 정광의 처리방법
CN103614607B (zh) *	2013-09-12	2016-01-13	昆明理工大学	一种含镍物料作用下热态铜渣熔融还原制不锈钢原料的方法
DE102014010442A1 (de) *	2014-07-11	2016-01-14	Aurubis Ag	Verfahren und Vorrichtung zur Aufbereitung von Eisensilikatgestein
KR20160066804A (ko) *	2014-12-03	2016-06-13	주식회사 대창	칼슘 와이어를 사용한 구리합금 스크랩으로부터 납 제거 방법
JP6542560B2 (ja) *	2015-03-31	2019-07-10	Ｊｘ金属株式会社	非鉄製錬スラグの処理方法
CN105838870B (zh) *	2016-05-24	2018-07-03	江苏省冶金设计院有限公司	制备还原铁的***及其应用
CN107699698A (zh) *	2017-09-30	2018-02-16	江苏省冶金设计院有限公司	处理铜渣的方法
CN108728660B (zh) *	2018-06-20	2020-07-17	中国恩菲工程技术有限公司	铜渣贫化方法
CN110578028B (zh) *	2019-10-10	2021-06-29	尚明东	一种基于炼铜废渣提炼铁的方法
CL2019002935A1 (es) *	2019-10-16	2020-03-13	Univ Concepcion	Un proceso cero residuos que utiliza las escorias finales de fundición de cobre para producir productos comerciales
CN112680600B (zh) *	2020-12-17	2022-06-10	有研资源环境技术研究院(北京)有限公司	一种从海绵铜渣中生物氧化回收铜和富集贵金属的工艺
MX2023008678A (es)	2021-01-26	2023-08-02	Nucor Corp	Metodo y sistema para reducir el contenido de metal no ferroso de la chatarra de acero.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1544048A (en) *	1921-11-23	1925-06-30	Stout Harry Howard	Treatment of copper metallurgical slag
US1822588A (en) *	1929-01-14	1931-09-08	United Verde Copper Company	Recovering copper from slags
US3157490A (en) *	1961-10-23	1964-11-17	Pullman Inc	Method for refining of metals
US4110107A (en) *	1977-06-16	1978-08-29	The United States Of America As Represented By The Secretary Of The Interior	Process for reducing molten furnace slags by carbon injection
FI71770C (fi) *	1985-05-31	1987-02-09	Outokumpu Oy	Reducering av smaelt metallurgiskt slagg kontinuerligt i en elektrisk ugn.

2005
- 2005-12-29 AU AU2005338902A patent/AU2005338902B2/en not_active Ceased
- 2005-12-29 KR KR1020087013405A patent/KR20080081258A/ko not_active Application Discontinuation
- 2005-12-29 CA CA 2632530 patent/CA2632530A1/fr not_active Abandoned
- 2005-12-29 WO PCT/IN2005/000452 patent/WO2007066350A1/fr active Application Filing
2006
- 2006-03-21 US US11/386,575 patent/US20070283785A1/en not_active Abandoned
- 2006-03-28 MY MYPI20061365 patent/MY144628A/en unknown

Also Published As

Publication number	Publication date
MY144628A (en)	2011-10-14
WO2007066350A1 (fr)	2007-06-14
KR20080081258A (ko)	2008-09-09
AU2005338902B2 (en)	2011-09-01
AU2005338902A1 (en)	2007-06-14
US20070283785A1 (en)	2007-12-13

Legal Events

Date	Code	Title	Description
2010-12-01	EEER	Examination request
2014-02-05	FZDE	Discontinued	Effective date: 20131211

Publication	Publication Date	Title
AU2005338902B2 (en)	2011-09-01	A process for recovery of iron from copper slag
CN110004352B (zh)	2021-02-19	一种利用熔融贫化铜渣还原制备含铜铬耐磨铸铁的方法
AU2008313799B2 (en)	2011-06-23	Recovery of residues containing copper and other valuable metals
WO2019071788A1 (fr)	2019-04-18	Procédé de fabrication utilisant un laitier mixte contenant du cuivre et du fer
Bakker et al.	2011	ISASMELT™ TSL–Applications for nickel
WO2015003669A1 (fr)	2015-01-15	Fondant, procédé pour sa production, mélange d'agglomération et utilisation de scories provenant de la métallurgie secondaire
WO2019071790A1 (fr)	2019-04-18	Procédé de récupération de composants de valeur à partir de laitier mixte contenant du zinc et du fer
WO2019071797A1 (fr)	2019-04-18	Procédé de production de laitier mixte contenant du nickel et du fer
CN110106433B (zh)	2021-02-19	一种熔融贫化铜渣和锌渣的综合利用方法
Tangstad	2013	Manganese ferroalloys technology
Zulhan et al.	2021	Evolution of ferronickel particles during the reduction of low-grade saprolitic laterite nickel ore by coal in the temperature range of 900–1250° C with the addition of CaO-CaF 2-H 3 BO 3
Wang et al.	2022	Recovery of Cu-Fe-S matte from electroplating sludge via the sulfurization-smelting method
JP7463511B2 (ja)	2024-04-08	ニッケル、マンガン、及びコバルトを回収するための高温冶金法
Matinde et al.	2021	Metallurgical overview and production of slags
CA2031029A1 (fr)	1991-06-19	Procede de production de zinc par reduction de l'oxyde de zinc
US3577231A (en)	1971-05-04	Process for preparing metal sulfides
JP2016194126A (ja)	2016-11-17	クロム含有スラグからのクロム回収方法
JP6140423B2 (ja)	2017-05-31	脱硫スラグ含有金属の回収方法
AU606420B2 (en)	1991-02-07	Non-ferrous metal recovery
Liao et al.	2012	Study on recovering iron from smelting slag by carbothermic reduction
CA1060217A (fr)	1979-08-14	Procede de separation du nickel, du cobalt et du cuivre
US20230032245A1 (en)	2023-02-02	Liquid feed for a basic oxygen furnace
RU2359047C2 (ru)	2009-06-20	Способ переработки медно-кобальтового окисленного сырья с получением черновой меди и сплава на основе кобальта
CA1090140A (fr)	1980-11-25	Transformation de concentre de molybdenite en ferro- molybdene avec elimination simultanee des impuretes par reduction directe au moyen d'agents reducteurs formant des sulfures
Kapure et al.	2010	Process for effective utilization of low grade chromite overburden