ZA92152B - Spent pot lining recovery process. - Google Patents

Spent pot lining recovery process.

Info

Publication number
ZA92152B
ZA92152B ZA92152A ZA92152A ZA92152B ZA 92152 B ZA92152 B ZA 92152B ZA 92152 A ZA92152 A ZA 92152A ZA 92152 A ZA92152 A ZA 92152A ZA 92152 B ZA92152 B ZA 92152B
Authority
ZA
South Africa
Prior art keywords
recovery process
pot lining
spent pot
lining recovery
spent
Prior art date
Application number
ZA92152A
Other languages
English (en)
Inventor
David Hughes Jenkins
Original Assignee
Comalco Alu
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 Comalco Alu filed Critical Comalco Alu
Publication of ZA92152B publication Critical patent/ZA92152B/xx

Links

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
    • C22B21/00—Obtaining aluminium
    • C22B21/0015—Obtaining aluminium by wet processes
    • C22B21/0023—Obtaining aluminium by wet processes from waste materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/48—Halides, with or without other cations besides aluminium
    • C01F7/50—Fluorides
    • 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
    • C22B7/006—Wet processes
    • C22B7/007—Wet processes by acid leaching
    • 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
    • C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
    • C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Processing Of Solid Wastes (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
ZA92152A 1991-01-11 1992-01-09 Spent pot lining recovery process. ZA92152B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPK418891 1991-01-11

Publications (1)

Publication Number Publication Date
ZA92152B true ZA92152B (en) 1993-04-05

Family

ID=3775178

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA92152A ZA92152B (en) 1991-01-11 1992-01-09 Spent pot lining recovery process.

Country Status (5)

Country Link
US (1) US5352419A (is)
CA (1) CA2097809A1 (is)
IS (1) IS3801A (is)
WO (1) WO1992012268A1 (is)
ZA (1) ZA92152B (is)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113249578A (zh) * 2021-05-06 2021-08-13 中南大学 铝电解产生的含氟废料的资源化处理方法及氟化铝产品

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5558847A (en) * 1991-02-05 1996-09-24 Kaaber; Henning Process for recovering aluminium and fluorine from fluorine containing waste materials
US5470559A (en) * 1993-02-26 1995-11-28 Alcan International Limited Recycling of spent pot linings
JP3665067B2 (ja) * 1993-07-02 2005-06-29 ザ・ブロークン・ヒル・プロプライアタリー・カンパニー・リミテッド 鉱物または鉱物種からフッ素を抽出する方法
AU693605B2 (en) * 1994-10-13 1998-07-02 University Of Melbourne, The Process for treating a material containing inorganic matter
AUPM877394A0 (en) * 1994-10-13 1994-11-03 University Of Melbourne, The Process for treating a material containing inorganic matter (II)
US5558690A (en) * 1994-12-23 1996-09-24 Vortec Corporation Manufacture of ceramic tiles from spent aluminum potlining
AU2445397A (en) * 1996-04-09 1997-10-29 Vortec Corporation Manufacture of ceramic tiles from fly ash
US6468483B2 (en) 2000-02-04 2002-10-22 Goldendale Aluminum Company Process for treating alumina-bearing ores to recover metal values therefrom
NO325237B1 (no) * 2001-12-19 2008-03-03 Alstom Technology Ltd Fremgangsmåte for fjerning av forurensninger fra fluorholdig sekundært alumina finstøv eller andre natrium-aluminium-fluorholdige materialer forbundet med aluminiumproduksjon
AU2002952159A0 (en) 2002-10-18 2002-10-31 Regain Technologies Pty Ltd Treatment of Smelting By-Products
BRPI0505544B1 (pt) * 2005-11-10 2014-02-04 Processo de lixiviação combinada
CN102268559A (zh) 2007-05-21 2011-12-07 奥贝特勘探Vspa有限公司 从铝土矿石中提取铝的工艺
DE602008000797D1 (de) * 2008-01-25 2010-04-22 Befesa Aluminio Bilbao S L Verfahren zum Recyceln von verbrauchten Tiegelauskleidungen (SPL) aus der primären Aluminiumproduktion
US20110081284A1 (en) * 2009-10-02 2011-04-07 Mark Weaver Treatment of bauxite residue and spent pot lining
US8388925B2 (en) 2009-12-30 2013-03-05 Memc Electronic Materials, Inc. Methods for producing aluminum trifluoride
CN103534367A (zh) 2011-03-18 2014-01-22 奥贝特铝业有限公司 从含铝材料中回收稀土元素的方法
RU2013153535A (ru) 2011-05-04 2015-06-10 Орбит Элюминэ Инк. Способы извлечения редкоземельных элементов из различных руд
CA2863755C (en) 2011-06-03 2016-04-26 Orbite Aluminae Inc. Methods for preparing hematite
CA2848751C (en) 2011-09-16 2020-04-21 Orbite Aluminae Inc. Processes for preparing alumina and various other products
WO2013104059A1 (en) 2012-01-10 2013-07-18 Orbite Aluminae Inc. Processes for treating red mud
CN104520237B (zh) 2012-03-29 2018-05-01 奥佰特氧化铝有限公司 处理飞灰的方法
AT512740B1 (de) * 2012-04-13 2014-05-15 Andritz Energy & Environment Gmbh Verfahren zur Inertisierung von metallischem Aluminium sowie anderen unedlen metallischen Phasen
CA2878744C (en) 2012-07-12 2020-09-15 Orbite Aluminae Inc. Processes for preparing aluminum chloride and various other products by hcl leaching
WO2014026138A1 (en) * 2012-08-09 2014-02-13 Alcoa Inc. High-carbon spent pot lining and methods of fueling a furnace with the same
CA2885255C (en) 2012-09-26 2015-12-22 Orbite Aluminae Inc. Processes for preparing alumina and magnesium chloride by hc1 leaching of various materials
US9534274B2 (en) 2012-11-14 2017-01-03 Orbite Technologies Inc. Methods for purifying aluminium ions
US11697594B2 (en) * 2020-01-19 2023-07-11 Central South University Method for recycling spent carbon cathode of aluminum electrolysis
CN113306922A (zh) * 2021-04-15 2021-08-27 上海飞康机械电器有限公司 一种带有物联网信息交互平台的再生资源智能回收车
CN114888036B (zh) * 2022-05-13 2023-07-14 北京中科云腾科技有限公司 铝电解大修渣与矿冶废渣协同资源化的方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB487021A (en) * 1936-11-17 1938-06-14 Ruetgerswerke Ag A process for the recovery of aluminium and fluorine compounds from the worn out linings of the electric furnaces employed for the production of aluminium
GB8301974D0 (en) * 1983-01-25 1983-02-23 Alcan Int Ltd Aluminium fluoride from scrap
US4444740A (en) * 1983-02-14 1984-04-24 Atlantic Richfield Company Method for the recovery of fluorides from spent aluminum potlining and the production of an environmentally safe waste residue
US4508689A (en) * 1983-07-21 1985-04-02 Aluminum Company Of America Aluminum-fluorine compound manufacture
US4597953A (en) * 1985-02-20 1986-07-01 Aluminum Company Of America Halogen recovery
US4889695A (en) * 1985-02-20 1989-12-26 Aluminum Company Of America Reclaiming spent potlining
US4735784A (en) * 1986-07-11 1988-04-05 Morrison-Knudsen Company, Inc. Method of treating fluoride contaminated wastes
GB2198722B (en) * 1986-12-22 1991-04-17 Comalco Alu Process for the recovery of fluoride values
US4763585A (en) * 1987-09-08 1988-08-16 Ogden Environmental Services Method for the combustion of spent potlinings from the manufacture of aluminum
US5024822A (en) * 1988-03-29 1991-06-18 Aluminum Company Of America Stabilization of fluorides of spent potlining by chemical dispersion
US4993323A (en) * 1988-09-08 1991-02-19 Tabery Ronald S Fluidized bed combustion of aluminum smelting waste
US4973464A (en) * 1989-02-21 1990-11-27 Ogden Environmental Services Method for the removal of cyanides from spent potlinings from aluminum manufacture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113249578A (zh) * 2021-05-06 2021-08-13 中南大学 铝电解产生的含氟废料的资源化处理方法及氟化铝产品
CN113249578B (zh) * 2021-05-06 2022-07-12 中南大学 铝电解产生的含氟废料的资源化处理方法及氟化铝产品

Also Published As

Publication number Publication date
WO1992012268A1 (en) 1992-07-23
IS3801A (is) 1992-07-12
US5352419A (en) 1994-10-04
CA2097809A1 (en) 1992-07-12

Similar Documents

Publication Publication Date Title
ZA92152B (en) Spent pot lining recovery process.
HU9203648D0 (en) Methods for recovering toco-trienoles, tocopheroles and toco-trienole-like compounds
GB2254015B (en) Spent caustic treatment
GB2257292B (en) Combined transuranic-strontium extraction process
EP0643155A3 (en) Process for the preparation of fluorinated chemical compounds.
IL102220A0 (en) Improved process
GB9009404D0 (en) Pelletisation process
ZA924606B (en) Metal recovery process
ZA938576B (en) Process for preparing 1,3-difluorobenzene
ZA917674B (en) Catalyst recovery process.
GB9225576D0 (en) Total process containment limited
PH31154A (en) Process for preparing 1-alkylryl-2-alkyl-5-formyl-imidazole.
GB2229171B (en) Metal recovery
ZA919924B (en) Dealcoholization process
ZA922493B (en) Metal recovery.
ZA919627B (en) Leaching process
GB9013699D0 (en) New process
CS180792A3 (en) Process for preparing phenol
EP0644193A3 (en) Process for preparing 2-acetylamino-6-chloropurine.
EP0644270A3 (en) Process and plant for extracting metals from ash.
GB9100992D0 (en) Heat recovery processes
ZA917711B (en) Depostition process.
PL260729A1 (en) Lining,particularly for crumping deposits
ZA926137B (en) Recovery of fines.
CA68417S (en) Extractor