ES8500772A1 - Un procedimiento para tratar material de revestimiento de desecho contaminado con fluoruro procedente de celdas de reduccion electrolitica - Google Patents

Un procedimiento para tratar material de revestimiento de desecho contaminado con fluoruro procedente de celdas de reduccion electrolitica

Info

Publication number
ES8500772A1
ES8500772A1 ES530160A ES530160A ES8500772A1 ES 8500772 A1 ES8500772 A1 ES 8500772A1 ES 530160 A ES530160 A ES 530160A ES 530160 A ES530160 A ES 530160A ES 8500772 A1 ES8500772 A1 ES 8500772A1
Authority
ES
Spain
Prior art keywords
lining material
lime
slurry
sulphuric acid
scrap
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.)
Expired
Application number
ES530160A
Other languages
English (en)
Other versions
ES530160A0 (es
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.)
Rio Tinto Alcan International Ltd
Original Assignee
Alcan International Ltd Canada
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 Alcan International Ltd Canada filed Critical Alcan International Ltd Canada
Publication of ES8500772A1 publication Critical patent/ES8500772A1/es
Publication of ES530160A0 publication Critical patent/ES530160A0/es
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • A62D3/36—Detoxification by using acid or alkaline reagents
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/0481—Other specific industrial waste materials not provided for elsewhere in C04B18/00
    • 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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/40—Inorganic substances
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/40—Inorganic substances
    • A62D2101/49—Inorganic substances containing halogen
    • 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
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Emergency Management (AREA)
  • Electrochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Structural Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Beans For Foods Or Fodder (AREA)
  • Crushing And Grinding (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Removal Of Specific Substances (AREA)
  • Secondary Cells (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Electrolytic Production Of Metals (AREA)

Abstract

METODO DE TRATAMIENTO DE MATERIALES DE REVESTIMIENTO DE DESHECHO, CONTAMINADOS CON FLUORURO PROCEDENTES DE CELULAS DE REDUCCION ELECTROLITICA.CONSISTE EN MEZCLAR DICHOS MATERIALES CON, AL MENOS, 7 PARTES DE ACIDO SULFURICO POR 100 PARTES DE MATERIAL DE DESHECHO, AN/ADIR HIDROXIFO CALCICO EN CANTIDAD SUFICIENTE PARA NEUTRALIZAR EL ACIDO SULFURICO, PERO QUE NO LLEVE EL PH DE LA SUSPENSION A UN VALOR SUPERIOR A 10; Y DEJAR QUE LA MEZCLA SEDIMENTE.TIENE APLICACIONES PARA EL TRATAMIENTO DE LOS MATERIALES DE DESHECHO PROCEDENTES DE LA PRODUCCION DE ALUMINIO POR ELECTROLISIS.
ES530160A 1983-03-01 1984-02-29 Un procedimiento para tratar material de revestimiento de desecho contaminado con fluoruro procedente de celdas de reduccion electrolitica Granted ES530160A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8305583A GB8305583D0 (en) 1983-03-01 1983-03-01 Treatment of scrap lining material

Publications (2)

Publication Number Publication Date
ES8500772A1 true ES8500772A1 (es) 1984-11-01
ES530160A0 ES530160A0 (es) 1984-11-01

Family

ID=10538767

Family Applications (1)

Application Number Title Priority Date Filing Date
ES530160A Granted ES530160A0 (es) 1983-03-01 1984-02-29 Un procedimiento para tratar material de revestimiento de desecho contaminado con fluoruro procedente de celdas de reduccion electrolitica

Country Status (8)

Country Link
US (1) US4576651A (es)
EP (1) EP0117761A3 (es)
JP (1) JPS59171563A (es)
AU (1) AU2517484A (es)
CA (1) CA1216008A (es)
ES (1) ES530160A0 (es)
GB (1) GB8305583D0 (es)
NO (1) NO840778L (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113231436A (zh) * 2021-04-13 2021-08-10 北京科技大学 一种铝电解废槽衬高温资源化处理的方法

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2669350B1 (fr) * 1990-11-16 1993-01-15 Pechiney Aluminium Procede de traitement par voie humide de brasquages uses provenant de cuves d'electrolyse hall-heroult.
AU653815B2 (en) * 1991-05-16 1994-10-13 Qubator Pty Limited Process for converting spent pot liner
WO1992020469A1 (en) * 1991-05-16 1992-11-26 Qubator Pty Limited Process for converting spent pot liner
US5164174A (en) * 1991-10-11 1992-11-17 Reynolds Metals Company Detoxification of aluminum spent potliner by thermal treatment, lime slurry quench and post-kiln treatment
WO1994002263A1 (en) * 1992-07-24 1994-02-03 Comalco Aluminium Limited Treatment of solid material
US5763735A (en) * 1994-01-21 1998-06-09 Plutonium Storage, Inc. Monitored retrievable storage of plutonium and nuclear toxic waste
AUPM877394A0 (en) * 1994-10-13 1994-11-03 University Of Melbourne, The Process for treating a material containing inorganic matter (II)
AU693605B2 (en) * 1994-10-13 1998-07-02 University Of Melbourne, The Process for treating a material containing inorganic matter
US5538604A (en) * 1995-01-20 1996-07-23 Emec Consultants Suppression of cyanide formation in electrolytic cell lining
US5961811A (en) * 1997-10-02 1999-10-05 Emec Consultants Potlining to enhance cell performance in aluminum production
US6616829B2 (en) 2001-04-13 2003-09-09 Emec Consultants Carbonaceous cathode with enhanced wettability for aluminum production
US20070231237A1 (en) * 2006-03-28 2007-10-04 Council Of Scientific And Industrial Research Process for the preparation of silicon carbide from spent pot liners generated from aluminum smelter plants
JP4818092B2 (ja) * 2006-07-28 2011-11-16 新日本製鐵株式会社 製鋼スラグ中フッ素の溶出抑制方法
RU2472865C1 (ru) * 2011-08-31 2013-01-20 Государственное образовательное учреждение высшего профессионального образования "Иркутский государственный технический университет" (ГОУ ИрГТУ) Способ переработки фторсодержащих отходов электролитического производства алюминия
RU2616753C1 (ru) * 2015-11-13 2017-04-18 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Способ переработки фторуглеродсодержащих отходов электролитического производства алюминия
RU2630117C1 (ru) * 2016-12-16 2017-09-05 федеральное государственное бюджетное образовательное учреждение высшего образования "Иркутский национальный исследовательский технический университет" (ФГБОУ ВО "ИРНИТУ") Способ переработки отработанной углеродной футеровки алюминиевого электролизера
RU2685566C1 (ru) * 2018-06-07 2019-04-22 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Способ переработки угольной пены электролитического производства алюминия
CN109078967A (zh) * 2018-09-17 2018-12-25 云南云铝润鑫铝业有限公司 一种铝电解废槽衬浸出液氧化破氰、碳分-中和系统
CN111170299B (zh) * 2020-01-19 2021-06-22 中南大学 一种回收铝电解废阴极炭块的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4113831A (en) * 1975-10-02 1978-09-12 National Fluoride And Chemical Corporation Recovery of sodium fluoride and other chemicals from spent carbon liners
US4113832A (en) * 1977-11-28 1978-09-12 Kaiser Aluminum & Chemical Corporation Process for the utilization of waste materials from electrolytic aluminum reduction systems
US4160808A (en) * 1978-05-30 1979-07-10 Andersen John N Pyrohydrolysis process for spent aluminum reduction cell linings
US4160809A (en) * 1978-07-24 1979-07-10 Kaiser Aluminum & Chemical Corporation Modified pyrohydrolysis process for spent aluminum reduction cell linings
US4158701A (en) * 1978-11-06 1979-06-19 Kaiser Aluminum & Chemical Corporation Pyrohydrolysis system for processing fluorine-containing spent and waste materials
GB2056425A (en) * 1979-08-06 1981-03-18 Alcan Res & Dev Treatment of wastes containing water-leachable fluorides
GB2056422A (en) * 1979-08-16 1981-03-18 Alcan Res & Dev Processing of Spent Cell Lining Materials from Electrolytic Reduction Cells for Production of Aluminium
GB2059403A (en) * 1979-08-29 1981-04-23 Alcan Res & Dev Treatment of fluoride- containing waste
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113231436A (zh) * 2021-04-13 2021-08-10 北京科技大学 一种铝电解废槽衬高温资源化处理的方法
CN113231436B (zh) * 2021-04-13 2022-04-22 北京科技大学 一种铝电解废槽衬高温资源化处理的方法

Also Published As

Publication number Publication date
NO840778L (no) 1984-09-03
JPS59171563A (ja) 1984-09-28
AU2517484A (en) 1984-09-06
GB8305583D0 (en) 1983-03-30
ES530160A0 (es) 1984-11-01
US4576651A (en) 1986-03-18
EP0117761A3 (en) 1987-06-16
CA1216008A (en) 1986-12-30
EP0117761A2 (en) 1984-09-05

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