FR2173175A1 - - Google Patents

Info

Publication number
FR2173175A1
FR2173175A1 FR7306288A FR7306288A FR2173175A1 FR 2173175 A1 FR2173175 A1 FR 2173175A1 FR 7306288 A FR7306288 A FR 7306288A FR 7306288 A FR7306288 A FR 7306288A FR 2173175 A1 FR2173175 A1 FR 2173175A1
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.)
Granted
Application number
FR7306288A
Other languages
French (fr)
Other versions
FR2173175B1 (it
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.)
Vale Canada Ltd
Original Assignee
Vale Canada Ltd
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 Vale Canada Ltd filed Critical Vale Canada Ltd
Publication of FR2173175A1 publication Critical patent/FR2173175A1/fr
Application granted granted Critical
Publication of FR2173175B1 publication Critical patent/FR2173175B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C01B17/02—Preparation of sulfur; Purification
    • C01B17/06—Preparation of sulfur; Purification from non-gaseous sulfides or materials containing such sulfides, e.g. ores
    • 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)
  • General Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Laminated Bodies (AREA)
  • Wire Processing (AREA)
  • Manufacturing Of Printed Wiring (AREA)
FR7306288A 1972-02-22 1973-02-22 Expired FR2173175B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA135,312A CA979663A (en) 1972-02-22 1972-02-22 Oxidation leaching of sulfide ores

Publications (2)

Publication Number Publication Date
FR2173175A1 true FR2173175A1 (it) 1973-10-05
FR2173175B1 FR2173175B1 (it) 1976-04-30

Family

ID=4092415

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7306288A Expired FR2173175B1 (it) 1972-02-22 1973-02-22

Country Status (14)

Country Link
JP (1) JPS5239362B2 (it)
AU (1) AU450434B2 (it)
BE (1) BE795693A (it)
BR (1) BR7301263D0 (it)
CA (1) CA979663A (it)
DE (1) DE2308792C3 (it)
FR (1) FR2173175B1 (it)
GB (1) GB1416761A (it)
IT (1) IT977457B (it)
NL (1) NL7302512A (it)
NO (1) NO135282C (it)
PH (1) PH10213A (it)
ZA (1) ZA731144B (it)
ZM (1) ZM2573A1 (it)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3159815A (en) * 1961-11-29 1964-12-01 Ibm Digitalization system for multi-track optical character sensing
GB1119017A (en) * 1965-03-29 1968-07-03 Ibm An automatically adjustable signal clipping circuit
US3568151A (en) * 1966-03-23 1971-03-02 Hitachi Ltd Photoelectrical conversion system for pattern-recognizing apparatus and the like

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3159815A (en) * 1961-11-29 1964-12-01 Ibm Digitalization system for multi-track optical character sensing
GB1119017A (en) * 1965-03-29 1968-07-03 Ibm An automatically adjustable signal clipping circuit
US3568151A (en) * 1966-03-23 1971-03-02 Hitachi Ltd Photoelectrical conversion system for pattern-recognizing apparatus and the like

Also Published As

Publication number Publication date
ZA731144B (en) 1973-11-28
NO135282B (it) 1976-12-06
JPS4894602A (it) 1973-12-05
AU450434B2 (en) 1974-07-11
DE2308792A1 (de) 1973-09-13
DE2308792C3 (de) 1975-03-06
FR2173175B1 (it) 1976-04-30
CA979663A (en) 1975-12-16
DE2308792B2 (de) 1974-07-11
BR7301263D0 (pt) 1974-05-16
GB1416761A (en) 1975-12-03
ZM2573A1 (en) 1974-06-21
JPS5239362B2 (it) 1977-10-05
PH10213A (en) 1976-09-29
NL7302512A (it) 1973-08-24
AU5244273A (en) 1974-07-11
BE795693A (fr) 1973-08-21
IT977457B (it) 1974-09-10
NO135282C (it) 1977-03-16

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Legal Events

Date Code Title Description
ST Notification of lapse