ZA728316B - A process for the continuous acid treatment of crude clays and schists - Google Patents

A process for the continuous acid treatment of crude clays and schists

Info

Publication number
ZA728316B
ZA728316B ZA728316A ZA728316A ZA728316B ZA 728316 B ZA728316 B ZA 728316B ZA 728316 A ZA728316 A ZA 728316A ZA 728316 A ZA728316 A ZA 728316A ZA 728316 B ZA728316 B ZA 728316B
Authority
ZA
South Africa
Prior art keywords
schists
acid treatment
continuous acid
crude clays
clays
Prior art date
Application number
ZA728316A
Other languages
English (en)
Inventor
P Maurel
P Duhart
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.)
Filing date
Publication date
Application filed by Pechiney Aluminium filed Critical Pechiney Aluminium
Publication of ZA728316B publication Critical patent/ZA728316B/xx

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)
ZA728316A 1971-11-25 1972-11-23 A process for the continuous acid treatment of crude clays and schists ZA728316B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7142250A FR2160743B1 (xx) 1971-11-25 1971-11-25

Publications (1)

Publication Number Publication Date
ZA728316B true ZA728316B (en) 1973-08-29

Family

ID=9086383

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA728316A ZA728316B (en) 1971-11-25 1972-11-23 A process for the continuous acid treatment of crude clays and schists

Country Status (18)

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

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5190914A (xx) * 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 (xx) * 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 (xx) 1974-06-21
IT996058B (it) 1975-12-10
GB1394703A (en) 1975-05-21
FR2160743B1 (xx) 1974-04-05
NL7216006A (xx) 1973-05-29
ES408958A1 (es) 1975-10-16
CA989626A (en) 1976-05-25
NO133933C (xx) 1976-07-21
NO133933B (xx) 1976-04-12
AU4912772A (en) 1974-05-23
JPS5120364B2 (xx) 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 (xx) 1973-10-11
FR2160743A1 (xx) 1973-07-06

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