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FR2634751B1 - - Google Patents

Info

Publication number
FR2634751B1
FR2634751B1 FR8810304A FR8810304A FR2634751B1 FR 2634751 B1 FR2634751 B1 FR 2634751B1 FR 8810304 A FR8810304 A FR 8810304A FR 8810304 A FR8810304 A FR 8810304A FR 2634751 B1 FR2634751 B1 FR 2634751B1
Authority
FR
France
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 - Fee Related
Application number
FR8810304A
Other versions
FR2634751A1 (fr
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.)
Metaleurop SA
Original Assignee
Metaleurop 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 Metaleurop SA filed Critical Metaleurop SA
Priority to FR8810304A priority Critical patent/FR2634751B1/fr
Priority to US07/385,456 priority patent/US4954322A/en
Publication of FR2634751A1 publication Critical patent/FR2634751A1/fr
Application granted granted Critical
Publication of FR2634751B1 publication Critical patent/FR2634751B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/90—Separation; Purification
    • C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/90—Separation; Purification
    • C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
    • C01B17/903—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids by liquid-liquid extraction
    • 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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
    • 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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • 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)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FR8810304A 1988-07-29 1988-07-29 Expired - Fee Related FR2634751B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8810304A FR2634751B1 (fr) 1988-07-29 1988-07-29
US07/385,456 US4954322A (en) 1988-07-29 1989-07-27 Process for the recovery of metal values contained in a gangue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8810304A FR2634751B1 (fr) 1988-07-29 1988-07-29

Publications (2)

Publication Number Publication Date
FR2634751A1 FR2634751A1 (fr) 1990-02-02
FR2634751B1 true FR2634751B1 (fr) 1991-02-08

Family

ID=9368950

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8810304A Expired - Fee Related FR2634751B1 (fr) 1988-07-29 1988-07-29

Country Status (2)

Country Link
US (1) US4954322A (fr)
FR (1) FR2634751B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9105035A (pt) * 1991-11-14 1993-05-18 Mineracao Da Trindade Samitri Aperfeicoamento em processo de reducao dos teores de p e outras gangas em minerios de ferro e seus aglomerados
EP0970016A2 (fr) * 1997-03-31 2000-01-12 Waterworks International, Inc. Procede de purification de l'acide sulfurique

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE502674C (de) * 1928-07-15 1930-07-23 Auergesellschaft Gmbh Rueckgewinnung von konzentrierter Schwefelsaeure aus eisensulfathaltigen, schwefelsauren Loesungen
DE525307C (de) * 1930-01-19 1931-05-21 Jean D Ans Dr Verfahren zum Konzentrieren von eisensulfathaltiger Schwefelsaeure in rotierenden OEfen
GB656146A (en) * 1946-12-09 1951-08-15 Marvin J Udy Improvements in treating iron-bearing materials
DE1124781B (de) * 1958-03-31 1962-03-01 Peter Niedner Dipl Ing Verfahren zum Aufarbeiten von schwefelsauren Eisenbeizlaugen
FR1300603A (fr) * 1961-01-26 1962-08-03 Bayer Ag Procédé de traitement des acides d'hydrolyse se formant dans la fabrication du dioxyde de titane par le procédé d'attaque à l'acide sulfurique
US3676106A (en) * 1970-09-10 1972-07-11 Hazen Research Ion exchange process for the recovery of metals with cation exchange agents
US3860696A (en) * 1971-04-13 1975-01-14 Patrick J Mcgauley Production of iron sulfate monohydrate
DE2618121A1 (de) * 1976-04-26 1977-11-10 Kronos Titan Gmbh Verfahren zur weitgehenden entfernung unerwuenschter metallionen, insbesondere chromionen, bei der aufkonzentrierung verduennter eisen(ii)-sulfathaltiger schwefelsaeureloesungen
DE2618122C2 (de) * 1976-04-26 1984-10-04 Kronos Titan-Gesellschaft Mbh, 5090 Leverkusen Verfahren zur Aufarbeitung verdünnter eisen(II)-sulfathaltiger Schwefelsäurelösungen
DE2630196A1 (de) * 1976-07-05 1978-01-19 Bayer Ag Verfahren zur herstellung von schwefelsaeure aus abfallsaeure und eisensulfat
FI773588A (fi) * 1977-11-28 1979-05-29 Outokumpu Oy Hydrometallurgisk process foer behandling av oxider och ferriter innehaollande jaern och andra metaller
DE3327770A1 (de) * 1983-08-02 1985-02-14 Bayer Ag, 5090 Leverkusen Verfahren zur aufarbeitung metallsulfathaltiger schwefelsaeuren
DE3327769A1 (de) * 1983-08-02 1985-02-14 Bayer Ag, 5090 Leverkusen Verfahren zur aufarbeitung von duennsaeuren
DE3511479A1 (de) * 1985-03-14 1986-09-18 Bayer Ag, 5090 Leverkusen Verfahren zur rezirkulierung metallsulfathaltiger schwefelsaeure
AT388570B (de) * 1986-11-07 1989-07-25 Bleiberger Bergwerks Union Ag Extraktionsmittel sowie verfahren zur aufarbeitung von ge-haeltigen waesserigen loesungen durch fluessig/fluessigextraktion

Also Published As

Publication number Publication date
US4954322A (en) 1990-09-04
FR2634751A1 (fr) 1990-02-02

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Legal Events

Date Code Title Description
CD Change of name or company name
CN Change in juridical nature
ST Notification of lapse