CA989626A - Process for the continuous acid treatment of crude clays and schists - Google Patents

Process for the continuous acid treatment of crude clays and schists

Info

Publication number
CA989626A
CA989626A CA157,467A CA157467A CA989626A CA 989626 A CA989626 A CA 989626A CA 157467 A CA157467 A CA 157467A CA 989626 A CA989626 A CA 989626A
Authority
CA
Canada
Prior art keywords
schists
acid treatment
continuous acid
crude clays
clays
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
CA157,467A
Other languages
English (en)
Inventor
Pierre Duhart
Pierre Maurel
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 France SAS
Original Assignee
Aluminium Pechiney SA
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 Aluminium Pechiney SA filed Critical Aluminium Pechiney SA
Application granted granted Critical
Publication of CA989626A publication Critical patent/CA989626A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/20—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts
    • C01F7/26—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with sulfuric acids or sulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • 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
    • C01F1/00—Methods of preparing compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or the rare earths, in general
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/14—Pore volume

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compounds Of Iron (AREA)
CA157,467A 1971-11-25 1972-11-24 Process for the continuous acid treatment of crude clays and schists Expired CA989626A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7142250A FR2160743B1 (no) 1971-11-25 1971-11-25

Publications (1)

Publication Number Publication Date
CA989626A true CA989626A (en) 1976-05-25

Family

ID=9086383

Family Applications (1)

Application Number Title Priority Date Filing Date
CA157,467A Expired CA989626A (en) 1971-11-25 1972-11-24 Process for the continuous acid treatment of crude clays and schists

Country Status (18)

Country Link
US (1) US3862293A (no)
JP (1) JPS5120364B2 (no)
AR (1) AR196099A1 (no)
AU (1) AU473723B2 (no)
BE (1) BE791752A (no)
BR (1) BR7208293D0 (no)
CA (1) CA989626A (no)
DE (1) DE2257521C3 (no)
ES (1) ES408958A1 (no)
FR (1) FR2160743B1 (no)
GB (1) GB1394703A (no)
IT (1) IT996058B (no)
LU (1) LU66544A1 (no)
NL (1) NL7216006A (no)
NO (1) NO133933C (no)
OA (1) OA04272A (no)
SE (1) SE383167B (no)
ZA (1) ZA728316B (no)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5190914A (no) * 1975-02-06 1976-08-10
SE7703590L (sv) * 1976-04-02 1977-10-03 Inst Atomenergi Sett att utvinna aluminiumoxid
FR2381717A1 (fr) * 1977-02-28 1978-09-22 Pechiney Aluminium Procede d'obtention d'alumine pure par attaque acide de minerais alumineux contenant d'autres elements
FR2381718A1 (fr) * 1977-02-28 1978-09-22 Pechiney Aluminium Procede d'obtention d'alumine pure par attaque acide de minerais alumineux contenant d'autres elements
US4107266A (en) * 1977-07-22 1978-08-15 The United States Of America As Represented By The Secretary Of The Interior Production of pure alumina from iron contaminated sulfate liquors
DE2803483C2 (de) * 1978-01-27 1982-08-05 Standard-Messo Duisburg, Gesellschaft für Chemietechnik mbH & Co, 4100 Duisburg Verfahren zur Herstellung von reinem Al↓2↓ O↓3↓ aus Aluminiumerzen
FR2426018A1 (fr) * 1978-05-18 1979-12-14 Pechiney Aluminium Procede d'obtention d'alumine pure par attaque chlorhydrique de minerais alumineux et extraction des impuretes par un traitement sulfurique
FR2426019A1 (fr) * 1978-05-18 1979-12-14 Pechiney Aluminium Procede continu d'obtention d'alumine pure a partir d'une liqueur acide provenant de l'attaque chlorosulfurique d'un minerai alumineux et de purification de la liqueur debarrassee de l'alumine
US4472361A (en) * 1981-05-28 1984-09-18 Alcan International Limited Method of recovering alumina values from a starting solid mixture comprising AlCl3 and NaCl
US5720868A (en) * 1996-04-19 1998-02-24 Solv-Ex Corporation Method for producing electrolytic-pot-cell grade alumina from aluminum sulphate
US6468483B2 (en) 2000-02-04 2002-10-22 Goldendale Aluminum Company Process for treating alumina-bearing ores to recover metal values therefrom
US6248302B1 (en) 2000-02-04 2001-06-19 Goldendale Aluminum Company Process for treating red mud to recover metal values therefrom
US9315382B2 (en) * 2006-03-23 2016-04-19 Keystone Metals Recovery Inc. Metal chlorides and metals obtained from metal oxide containing materials
AU2008253545B2 (en) 2007-05-21 2012-04-12 Orbite Aluminae Inc. Processes for extracting aluminum and iron from aluminous ores
CA2829049C (en) 2011-03-18 2014-12-02 Orbite Aluminae Inc. Processes for recovering rare earth elements from aluminum-bearing materials
EP3141621A1 (en) 2011-05-04 2017-03-15 Orbite Aluminae Inc. Processes for recovering rare earth elements from various ores
WO2012162817A1 (en) 2011-06-03 2012-12-06 Orbite Aluminae Inc. Methods for preparing hematite
AU2012308068B2 (en) 2011-09-16 2015-02-05 Aem Technologies Inc. Processes for preparing alumina and various other products
CA2857574C (en) 2012-01-10 2015-03-24 Orbite Aluminae Inc. Processes for treating red mud
US9181603B2 (en) 2012-03-29 2015-11-10 Orbite Technologies Inc. Processes for treating fly ashes
BR112015000626A2 (pt) 2012-07-12 2017-06-27 Orbite Aluminae Inc processos para preparação de óxido de titânio e outros produtos variados
BR112015006536A2 (pt) 2012-09-26 2017-08-08 Orbite Aluminae Inc processos para preparar alumina e cloreto de magnésio por lixiviação com hcl de vários materiais.
AU2013344721A1 (en) 2012-11-14 2015-07-02 Orbite Aluminae Inc. Methods for purifying aluminium ions
CN112110738A (zh) * 2020-09-24 2020-12-22 西南科技大学 一种铝灰制备高铝质耐火材料的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563623A (en) * 1951-08-07 scott
US1434088A (en) * 1919-10-11 1922-10-31 Niels C Christensen Process of treating lead-zinc sulphide ores
US2835569A (en) * 1956-04-19 1958-05-20 Electro Chimie Metal Process of extracting gold and other metals from ores, concentrates, residues and the like containing principally cobalt, nickel, iron, arsenic and gold
FR1558347A (no) * 1967-10-25 1969-02-28

Also Published As

Publication number Publication date
DE2257521B2 (de) 1977-01-20
BR7208293D0 (pt) 1973-08-23
OA04272A (fr) 1979-12-31
AU473723B2 (en) 1976-07-01
DE2257521C3 (de) 1980-07-10
LU66544A1 (no) 1974-06-21
IT996058B (it) 1975-12-10
GB1394703A (en) 1975-05-21
FR2160743B1 (no) 1974-04-05
NL7216006A (no) 1973-05-29
ES408958A1 (es) 1975-10-16
NO133933C (no) 1976-07-21
ZA728316B (en) 1973-08-29
NO133933B (no) 1976-04-12
AU4912772A (en) 1974-05-23
JPS5120364B2 (no) 1976-06-24
US3862293A (en) 1975-01-21
DE2257521A1 (de) 1973-06-07
BE791752A (fr) 1973-05-22
SE383167B (sv) 1976-03-01
AR196099A1 (es) 1973-11-30
JPS4875403A (no) 1973-10-11
FR2160743A1 (no) 1973-07-06

Similar Documents

Publication Publication Date Title
CA989626A (en) Process for the continuous acid treatment of crude clays and schists
CA966123A (en) Process for the production of triazolobenzodiazepines and intermediates
AU476509B2 (en) Process for the production of polyglycolethere compounds and their use
CA977302A (en) Process for the purification of acrylonitrile
CA964863A (en) Process and apparatus for the direct production of steel
CA1018775A (en) Method for treatment of ores
CA981703A (en) Process for the purification of cyclopentene
AU4274372A (en) Article for catalytic reduction of no
CA996027A (en) Biotin product for treatment of diabetes
YU36302B (en) Process for the manufacture of penicillamine and homologues thereof
IL40829A0 (en) Process for the production of penicillamine and homologues thereof
CA983514A (en) Process for the production of alkyl-sulfuric acids and corresponding salts
CA975896A (en) Process for the production of polyesters
ZA726125B (en) Process for the preparation of carboxyarylmethyl and carboaryloxyarylmethyl penicillins
PH9300A (en) Process for the production of triazolobenzodiazepines and compounds
CA886008A (en) Process for the manufacture of benzodiazepines
CA884317A (en) Process for the manufacture of benzodiazepines
CA867371A (en) Process for the manufacture of benzodiazepines
CA878513A (en) Process for the production of new phenylpyrazolodiazepinone compounds and products thereof
CA973567A (en) Process for the purification of hexachlorophene
CA860985A (en) Alkylation process employing acid treatment of the acid-olefin absorption product
CA864575A (en) Process for the manufacture of carbocyclic compounds
CA864530A (en) Process for the recovery and purification of cephalosporin c
AU457703B2 (en) Process for the production of triazolobenzodiazepines and intermediates
CA943431A (en) Treatment of petroleum