RU2096511C1 - Способ получения водонерастворимых соединений хрома - Google Patents

Способ получения водонерастворимых соединений хрома Download PDF

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Publication number
RU2096511C1
RU2096511C1 RU94044672A RU94044672A RU2096511C1 RU 2096511 C1 RU2096511 C1 RU 2096511C1 RU 94044672 A RU94044672 A RU 94044672A RU 94044672 A RU94044672 A RU 94044672A RU 2096511 C1 RU2096511 C1 RU 2096511C1
Authority
RU
Russia
Prior art keywords
hexavalent chromium
chromium
sulfur
compounds
oxygen
Prior art date
Application number
RU94044672A
Other languages
English (en)
Russian (ru)
Other versions
RU94044672A (ru
Inventor
Бруццоне Джузеппе
Перроне Диего
Бруно Джакомо
Original Assignee
Луиджи Стоппани С.П.А.
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 Луиджи Стоппани С.П.А. filed Critical Луиджи Стоппани С.П.А.
Publication of RU94044672A publication Critical patent/RU94044672A/ru
Application granted granted Critical
Publication of RU2096511C1 publication Critical patent/RU2096511C1/ru

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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
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/08—Dry methods smelting of sulfides or formation of mattes by sulfides; Roasting reaction methods
    • 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)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Removal Of Specific Substances (AREA)
RU94044672A 1992-01-21 1992-12-29 Способ получения водонерастворимых соединений хрома RU2096511C1 (ru)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ITM192A000092 1992-01-21
ITMI92A000092 1992-01-21
IT92MI92 IT1262918B (it) 1992-01-21 1992-01-21 Procedimento ed impianto per la riduzione del cromo esavalente contenuto nei residui della lavorazione dei minerali di cromo
PCT/EP1992/003007 WO1993014232A1 (en) 1992-01-21 1992-12-29 Process and plant for the reduction of hexavalent chromium contained in the residue resulting from the processing of chromium minerals

Publications (2)

Publication Number Publication Date
RU94044672A RU94044672A (ru) 1996-08-27
RU2096511C1 true RU2096511C1 (ru) 1997-11-20

Family

ID=11361603

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94044672A RU2096511C1 (ru) 1992-01-21 1992-12-29 Способ получения водонерастворимых соединений хрома

Country Status (14)

Country Link
EP (1) EP0621905A1 (sk)
CN (1) CN1074948A (sk)
AU (1) AU3347593A (sk)
BR (1) BR9207057A (sk)
CZ (1) CZ170394A3 (sk)
IT (1) IT1262918B (sk)
MX (1) MX9300307A (sk)
PL (1) PL171592B1 (sk)
RO (1) RO110458B1 (sk)
RU (1) RU2096511C1 (sk)
SK (1) SK84194A3 (sk)
TR (1) TR26598A (sk)
WO (1) WO1993014232A1 (sk)
ZA (1) ZA9343B (sk)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2646085C2 (ru) * 2012-07-06 2018-03-01 ЛЕНКСЕСС Дойчланд ГмбХ Способ восстановления шестивалентного хрома, содержащегося в оксидных твердых материалах

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA200706525B (en) 2005-02-08 2009-01-28 Cromotecnica Mexico Sa De Cv Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste
DE202008014318U1 (de) 2008-10-28 2010-04-01 Dr. Hahn Gmbh & Co. Kg Band zur um eine Scharnierachse scharniergelenkigen Verbindung eines Flügels an einem Rahmen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1055953B (it) * 1976-02-24 1982-01-11 Stoppani P & Co Procedimento di decontaminazione di materiale di scarto proveniente dalla lavorazione di minerali di cromo mediante trattamento conzolfo per via umida
JP2655864B2 (ja) * 1988-03-14 1997-09-24 昭和電工株式会社 高還元クロム鉱石粉体の製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PL, патент^ 61540, кл. C 01 G 37/00, 1971. *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2646085C2 (ru) * 2012-07-06 2018-03-01 ЛЕНКСЕСС Дойчланд ГмбХ Способ восстановления шестивалентного хрома, содержащегося в оксидных твердых материалах

Also Published As

Publication number Publication date
CZ170394A3 (en) 1995-08-16
CN1074948A (zh) 1993-08-04
RO110458B1 (ro) 1996-01-30
ITMI920092A0 (it) 1992-01-21
RU94044672A (ru) 1996-08-27
TR26598A (tr) 1995-03-15
MX9300307A (es) 1993-12-01
AU3347593A (en) 1993-08-03
SK84194A3 (en) 1995-08-09
ITMI920092A1 (it) 1993-07-21
EP0621905A1 (en) 1994-11-02
PL171592B1 (pl) 1997-05-30
WO1993014232A1 (en) 1993-07-22
IT1262918B (it) 1996-07-22
BR9207057A (pt) 1995-12-05
ZA9343B (en) 1993-08-05

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Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20061230