NO882373L - PROCEDURE FOR SILICOPYROHYDROLYSE TREATMENT OF USED HALL-HEROULT ELECTROLYSIS TANKS. - Google Patents

PROCEDURE FOR SILICOPYROHYDROLYSE TREATMENT OF USED HALL-HEROULT ELECTROLYSIS TANKS.

Info

Publication number: NO882373L
Authority: NO; Norway
Prior art keywords: silicopyrohydrolyse; procedure; treatment; electrolysis tanks; used hall
Prior art date: 1987-06-01

Application number

NO882373A

Other languages

Norwegian (no)

Other versions

NO166922B (en

NO166922C (en

NO882373D0 (en

Inventor

Michel Leroy

Original Assignee

Pechiney Aluminium

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.)

1987-06-01

Filing date

1988-05-30

Publication date

1988-12-02

1988-05-30 Application filed by Pechiney Aluminium filed Critical Pechiney Aluminium

1988-05-30 Publication of NO882373D0 publication Critical patent/NO882373D0/en

1988-12-02 Publication of NO882373L publication Critical patent/NO882373L/en

1991-06-10 Publication of NO166922B publication Critical patent/NO166922B/en

1991-09-18 Publication of NO166922C publication Critical patent/NO166922C/en

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/32—Alkali metal silicates
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Processing Of Solid Wastes (AREA)
Treating Waste Gases (AREA)
Removal Of Specific Substances (AREA)
Electrolytic Production Of Metals (AREA)
Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Silicon Compounds (AREA)

NO882373A 1987-06-01 1988-05-30 PROGRAM FOR SILICO-PYROHYDROLYSE TREATMENT OF USED HALL-HEROULT ELECTROLYSIS TANK CHALLENGES. NO166922C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8708012A FR2615764B1 (en)	1987-06-01	1987-06-01	PROCESS FOR THE TREATMENT, BY SILICOPYROHYDROLYSIS, OF USED BRASQUAGES FROM HALL-HEROULT ELECTROLYSIS TANKS

Publications (4)

Publication Number	Publication Date
NO882373D0 NO882373D0 (en)	1988-05-30
NO882373L true NO882373L (en)	1988-12-02
NO166922B NO166922B (en)	1991-06-10
NO166922C NO166922C (en)	1991-09-18

Family

ID=9351847

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO882373A NO166922C (en)	1987-06-01	1988-05-30	PROGRAM FOR SILICO-PYROHYDROLYSE TREATMENT OF USED HALL-HEROULT ELECTROLYSIS TANK CHALLENGES.

Country Status (17)

Country	Link
EP (1)	EP0294300B1 (en)
CN (1)	CN1013248B (en)
AU (1)	AU603672B2 (en)
BR (1)	BR8802626A (en)
CA (1)	CA1334049C (en)
DE (1)	DE3867130D1 (en)
ES (1)	ES2027410T3 (en)
FR (1)	FR2615764B1 (en)
GR (1)	GR3003448T3 (en)
HU (1)	HU204717B (en)
IN (1)	IN169595B (en)
IS (1)	IS1513B (en)
NO (1)	NO166922C (en)
NZ (1)	NZ224814A (en)
RU (1)	RU1782226C (en)
YU (1)	YU46337B (en)
ZA (1)	ZA883823B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE467224B (en) *	1989-01-25	1992-06-15	Skf Plasma Tech	PROCEDURE AND DEVICE TO TRANSFER URL-AFFECTABLE SUBSTANCES IN WASTE MATERIALS TO GAS OR TO LAKE-STABLE SUBSTANCES
FR2664297B1 (en) *	1990-07-04	1992-09-11	Pechiney Aluminium	PROCESS FOR THE TREATMENT BY THERMAL SHOCK OF USED BRAZZERS FROM HALL-HEROULT ELECTROLYSIS TANKS.
NO176648C (en) *	1991-11-07	1995-05-10	Elkem Technology	Method of treating used cathode bottom
RU2141076C1 (en)	1993-04-06	1999-11-10	Осмелт Лимитед	Method treatment of carbon-containing material
RU2247160C1 (en) *	2003-11-24	2005-02-27	Поляков Пётр Васильевич	Method of processing fluorocarbon-containing wastes of electrolytic aluminum production
CN101804996B (en) *	2010-04-02	2011-12-21	北京矿冶研究总院	Method for recovering sodium fluoride from electrolytic aluminum waste cathode carbon block

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2338336A1 (en) *	1976-01-13	1977-08-12	Pechiney Aluminium	NEW PROCESS FOR BRAZING TANKS FOR IGNEE ELECTROLYSIS
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
DE2942439C2 (en) *	1979-10-20	1981-10-15	Vereinigte Aluminium-Werke Ag, 5300 Bonn	Process and device for the production of hydrogen fluoride from fluorine-containing materials by pyrohydrolysis
AU611868B2 (en) *	1986-12-22	1991-06-27	Comalco Aluminium Limited	Recovery of fluoride values from waste materials

1987
- 1987-06-01 FR FR8708012A patent/FR2615764B1/en not_active Expired
1988
- 1988-05-26 EP EP88420169A patent/EP0294300B1/en not_active Expired - Lifetime
- 1988-05-26 IN IN429/CAL/88A patent/IN169595B/en unknown
- 1988-05-26 ES ES198888420169T patent/ES2027410T3/en not_active Expired - Lifetime
- 1988-05-26 DE DE8888420169T patent/DE3867130D1/en not_active Expired - Fee Related
- 1988-05-27 RU SU884355818A patent/RU1782226C/en active
- 1988-05-27 ZA ZA883823A patent/ZA883823B/en unknown
- 1988-05-27 NZ NZ224814A patent/NZ224814A/en unknown
- 1988-05-30 NO NO882373A patent/NO166922C/en unknown
- 1988-05-30 CA CA000568138A patent/CA1334049C/en not_active Expired - Fee Related
- 1988-05-30 IS IS3352A patent/IS1513B/en unknown
- 1988-05-31 YU YU105488A patent/YU46337B/en unknown
- 1988-05-31 HU HU882777A patent/HU204717B/en not_active IP Right Cessation
- 1988-05-31 BR BR8802626A patent/BR8802626A/en not_active Application Discontinuation
- 1988-05-31 CN CN88103256A patent/CN1013248B/en not_active Expired
- 1988-05-31 AU AU16787/88A patent/AU603672B2/en not_active Ceased
1991
- 1991-12-30 GR GR91401923T patent/GR3003448T3/en unknown

Also Published As

Publication number	Publication date
EP0294300B1 (en)	1991-12-27
NO166922B (en)	1991-06-10
CA1334049C (en)	1995-01-24
GR3003448T3 (en)	1993-02-17
RU1782226C (en)	1992-12-15
IS1513B (en)	1992-11-04
BR8802626A (en)	1988-12-27
YU105488A (en)	1989-06-30
AU1678788A (en)	1988-12-01
NO166922C (en)	1991-09-18
HUT48138A (en)	1989-05-29
AU603672B2 (en)	1990-11-22
NO882373D0 (en)	1988-05-30
HU204717B (en)	1992-02-28
CN1013248B (en)	1991-07-24
CN88103256A (en)	1988-12-14
IS3352A7 (en)	1988-12-02
YU46337B (en)	1993-05-28
IN169595B (en)	1991-11-16
ES2027410T3 (en)	1992-06-01
NZ224814A (en)	1991-02-26
FR2615764A1 (en)	1988-12-02
DE3867130D1 (en)	1992-02-06
FR2615764B1 (en)	1989-08-18
ZA883823B (en)	1989-02-22
EP0294300A1 (en)	1988-12-07

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