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
  • C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
• • 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
• • 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
  • C22B1/00—Preliminary treatment of ores or scrap
• • 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
• • 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
  • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
  • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
• • 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)
• Engineering & Computer Science (AREA)
• Organic Chemistry (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Geology (AREA)
• Environmental & Geological Engineering (AREA)
• Geochemistry & Mineralogy (AREA)
• Manufacturing & Machinery (AREA)
• Materials Engineering (AREA)
• Mechanical Engineering (AREA)
• Metallurgy (AREA)
• Inorganic Chemistry (AREA)
• Manufacture And Refinement Of Metals (AREA)
• Manufacture Of Iron (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4097964

Family Applications (1)

Country Status (21)

Families Citing this family (7)

Family Cites Families (4)

• 1973
  • 1973-09-28 CA CA182,368A patent/CA997565A/en not_active Expired
• 1974
  • 1974-09-02 IE IE1815/74A patent/IE39828B1/en unknown
  • 1974-09-03 IN IN1977/CAL/74A patent/IN142748B/en unknown
  • 1974-09-06 IL IL45613A patent/IL45613A/en unknown
  • 1974-09-09 ZA ZA00745718A patent/ZA745718B/en unknown
  • 1974-09-10 BE BE148381A patent/BE819741A/en not_active IP Right Cessation
  • 1974-09-12 PH PH16277A patent/PH11417A/en unknown
  • 1974-09-12 GB GB39750/74A patent/GB1483227A/en not_active Expired
  • 1974-09-13 MW MW35/74*UA patent/MW3574A1/en unknown
  • 1974-09-20 ZM ZM144/74A patent/ZM14474A1/en unknown
  • 1974-09-20 AT AT758174A patent/AT342874B/en not_active IP Right Cessation
  • 1974-09-25 NO NO743460A patent/NO143354C/en unknown
  • 1974-09-26 BR BR8020/74A patent/BR7408020D0/en unknown
  • 1974-09-26 IT IT27740/74A patent/IT1022343B/en active
  • 1974-09-26 FR FR7432485A patent/FR2245770B1/fr not_active Expired
  • 1974-09-27 FI FI2839/74A patent/FI283974A/fi unknown
  • 1974-09-27 SE SE7412181A patent/SE403138B/en unknown
  • 1974-09-27 JP JP49111372A patent/JPS5750863B2/ja not_active Expired
  • 1974-09-27 PL PL1974174380A patent/PL115669B1/en unknown
  • 1974-09-28 DE DE2446484A patent/DE2446484C2/en not_active Expired
  • 1974-09-30 TR TR18953A patent/TR18953A/en unknown

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