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ITMI920092A0 - PROCEDURE AND PLANT FOR THE REDUCTION OF HEXAVALENT CHROMIUM CONTAINED IN THE RESIDUES FROM THE PROCESSING OF CHROMIUM MINERALS - Google Patents

PROCEDURE AND PLANT FOR THE REDUCTION OF HEXAVALENT CHROMIUM CONTAINED IN THE RESIDUES FROM THE PROCESSING OF CHROMIUM MINERALS

Info

Publication number
ITMI920092A0
ITMI920092A0 IT92MI92A ITMI920092A ITMI920092A0 IT MI920092 A0 ITMI920092 A0 IT MI920092A0 IT 92MI92 A IT92MI92 A IT 92MI92A IT MI920092 A ITMI920092 A IT MI920092A IT MI920092 A0 ITMI920092 A0 IT MI920092A0
Authority
IT
Italy
Prior art keywords
chromium
residues
plant
procedure
reduction
Prior art date
Application number
IT92MI92A
Other languages
Italian (it)
Inventor
Giuseppe Bruzzone
Diego Perrone
Giacomo Bruno
Original Assignee
Stoppani Luigi
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 Stoppani Luigi filed Critical Stoppani Luigi
Publication of ITMI920092A0 publication Critical patent/ITMI920092A0/en
Priority to IT92MI92 priority Critical patent/IT1262918B/en
Priority to PL92304301A priority patent/PL171592B1/en
Priority to RO94-01227A priority patent/RO110458B1/en
Priority to EP93902135A priority patent/EP0621905A1/en
Priority to AU33475/93A priority patent/AU3347593A/en
Priority to RU94044672A priority patent/RU2096511C1/en
Priority to PCT/EP1992/003007 priority patent/WO1993014232A1/en
Priority to CZ941703A priority patent/CZ170394A3/en
Priority to SK841-94A priority patent/SK84194A3/en
Priority to BR9207057A priority patent/BR9207057A/en
Priority to ZA9343A priority patent/ZA9343B/en
Priority to TR1893A priority patent/TR26598A/en
Priority to CN93100815A priority patent/CN1074948A/en
Priority to MX9300307A priority patent/MX9300307A/en
Publication of ITMI920092A1 publication Critical patent/ITMI920092A1/en
Application granted granted Critical
Publication of IT1262918B publication Critical patent/IT1262918B/en

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
    • 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)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Removal Of Specific Substances (AREA)
IT92MI92 1992-01-21 1992-01-21 PROCEDURE AND PLANT FOR THE REDUCTION OF HEXAVALENT CHROMIUM CONTAINED IN THE RESIDUES OF THE PROCESSING OF CHROME MINERALS IT1262918B (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
IT92MI92 IT1262918B (en) 1992-01-21 1992-01-21 PROCEDURE AND PLANT FOR THE REDUCTION OF HEXAVALENT CHROMIUM CONTAINED IN THE RESIDUES OF THE PROCESSING OF CHROME MINERALS
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
SK841-94A SK84194A3 (en) 1992-01-21 1992-12-29 Process for reduction of hexavalent chromium and device for realization of this method
EP93902135A EP0621905A1 (en) 1992-01-21 1992-12-29 Process for the reduction of hexavalent chromium contained in the residue resulting from the processing of chromium minerals
AU33475/93A AU3347593A (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
RU94044672A RU2096511C1 (en) 1992-01-21 1992-12-29 Method of preparing water-insoluble chromium compounds
PL92304301A PL171592B1 (en) 1992-01-21 1992-12-29 Method of reducing hexavalent chromium contained in residues from processing chromium bearing minerals
CZ941703A CZ170394A3 (en) 1992-01-21 1992-12-29 Process and apparatus for reducing hexavalent chromium contained in a residue from chrome ore dressing process
RO94-01227A RO110458B1 (en) 1992-01-21 1992-12-29 Preparation process of the trivalent chrome compounds which are insoluble in water and which are made from residual products from the chrome ores-working
BR9207057A BR9207057A (en) 1992-01-21 1992-12-29 Process for obtaining water-insoluble chromium compounds and installation for reducing hexavalent chromium
ZA9343A ZA9343B (en) 1992-01-21 1993-01-05 Process and plant for the reduction of hexavalent chromiun contained in the residue resulting from the processing of chromium minerals.
TR1893A TR26598A (en) 1992-01-21 1993-01-18 REQUIRED PROCESS AND FACILITY FOR REDUCTION OF HEKSAVALEN CHROME WHICH ARE RESULTED BY PROCESSING CHROME MINERALS.
CN93100815A CN1074948A (en) 1992-01-21 1993-01-20 The method and apparatus of reduction of hexavalent chromium in the resistates from the processing chrome ore
MX9300307A MX9300307A (en) 1992-01-21 1993-01-21 PROCESS AND PLANT FOR THE REDUCTION OF CHROME HEXAVALENTE CONTAINED IN THE RESIDUE RESULTING FROM THE PROCESSING OF CHROME MINERALS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT92MI92 IT1262918B (en) 1992-01-21 1992-01-21 PROCEDURE AND PLANT FOR THE REDUCTION OF HEXAVALENT CHROMIUM CONTAINED IN THE RESIDUES OF THE PROCESSING OF CHROME MINERALS

Publications (3)

Publication Number Publication Date
ITMI920092A0 true ITMI920092A0 (en) 1992-01-21
ITMI920092A1 ITMI920092A1 (en) 1993-07-21
IT1262918B IT1262918B (en) 1996-07-22

Family

ID=11361603

Family Applications (1)

Application Number Title Priority Date Filing Date
IT92MI92 IT1262918B (en) 1992-01-21 1992-01-21 PROCEDURE AND PLANT FOR THE REDUCTION OF HEXAVALENT CHROMIUM CONTAINED IN THE RESIDUES OF THE PROCESSING OF CHROME MINERALS

Country Status (14)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8168846B2 (en) 2005-02-08 2012-05-01 Cromotecnica Mexico Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste
WO2014006196A1 (en) * 2012-07-06 2014-01-09 Lanxess Deutschland Gmbh Method for reducing hexavalent chromium in oxidic solids

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1055953B (en) * 1976-02-24 1982-01-11 Stoppani P & Co DECONTAMINATION PROCESS OF WASTE MATERIAL COMING FROM THE PROCESSING OF CHROME MINERALS THROUGH WET CONZOLFO TREATMENT
JP2655864B2 (en) * 1988-03-14 1997-09-24 昭和電工株式会社 Method for producing high reduced chromium ore powder

Also Published As

Publication number Publication date
AU3347593A (en) 1993-08-03
PL171592B1 (en) 1997-05-30
IT1262918B (en) 1996-07-22
RO110458B1 (en) 1996-01-30
RU2096511C1 (en) 1997-11-20
EP0621905A1 (en) 1994-11-02
ITMI920092A1 (en) 1993-07-21
TR26598A (en) 1995-03-15
ZA9343B (en) 1993-08-05
WO1993014232A1 (en) 1993-07-22
CZ170394A3 (en) 1995-08-16
BR9207057A (en) 1995-12-05
SK84194A3 (en) 1995-08-09
CN1074948A (en) 1993-08-04
MX9300307A (en) 1993-12-01
RU94044672A (en) 1996-08-27

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960424