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 MINERALSInfo
- 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
Links
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title 1
- 229910052804 chromium Inorganic materials 0.000 title 1
- 239000011651 chromium Substances 0.000 title 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 title 1
- 229910052500 inorganic mineral Inorganic materials 0.000 title 1
- 239000011707 mineral Substances 0.000 title 1
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)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (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)
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 |
PL92304301A PL171592B1 (en) | 1992-01-21 | 1992-12-29 | Method of reducing hexavalent chromium contained in residues from processing chromium bearing 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 |
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 |
BR9207057A BR9207057A (en) | 1992-01-21 | 1992-12-29 | Process for obtaining water-insoluble chromium compounds and installation for reducing hexavalent chromium |
RU94044672A RU2096511C1 (en) | 1992-01-21 | 1992-12-29 | Method of preparing water-insoluble chromium compounds |
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 |
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 |
SK841-94A SK84194A3 (en) | 1992-01-21 | 1992-12-29 | Process for reduction of hexavalent chromium and device for realization of this method |
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 |
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 (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2407575C2 (en) | 2005-02-08 | 2010-12-27 | КРОМОТЕКНИКА МЕКСИКО, Эс.Эй. ДЕ Си.Ви. | Method and device to convert dangerous wastes containing cr6+ into harmless wastes |
DE202008014318U1 (en) | 2008-10-28 | 2010-04-01 | Dr. Hahn Gmbh & Co. Kg | Band to hinged about a hinge axis connecting a wing to a frame |
WO2014006196A1 (en) * | 2012-07-06 | 2014-01-09 | Lanxess Deutschland Gmbh | Method for reducing hexavalent chromium in oxidic solids |
Family Cites Families (2)
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 |
-
1992
- 1992-01-21 IT IT92MI92 patent/IT1262918B/en active IP Right Grant
- 1992-12-29 CZ CZ941703A patent/CZ170394A3/en unknown
- 1992-12-29 PL PL92304301A patent/PL171592B1/en not_active IP Right Cessation
- 1992-12-29 BR BR9207057A patent/BR9207057A/en not_active IP Right Cessation
- 1992-12-29 WO PCT/EP1992/003007 patent/WO1993014232A1/en not_active Application Discontinuation
- 1992-12-29 EP EP93902135A patent/EP0621905A1/en not_active Withdrawn
- 1992-12-29 AU AU33475/93A patent/AU3347593A/en not_active Abandoned
- 1992-12-29 SK SK841-94A patent/SK84194A3/en unknown
- 1992-12-29 RU RU94044672A patent/RU2096511C1/en not_active IP Right Cessation
- 1992-12-29 RO RO94-01227A patent/RO110458B1/en unknown
-
1993
- 1993-01-05 ZA ZA9343A patent/ZA9343B/en unknown
- 1993-01-18 TR TR1893A patent/TR26598A/en unknown
- 1993-01-20 CN CN93100815A patent/CN1074948A/en active Pending
- 1993-01-21 MX MX9300307A patent/MX9300307A/en unknown
Also Published As
Publication number | Publication date |
---|---|
RO110458B1 (en) | 1996-01-30 |
CZ170394A3 (en) | 1995-08-16 |
RU2096511C1 (en) | 1997-11-20 |
EP0621905A1 (en) | 1994-11-02 |
SK84194A3 (en) | 1995-08-09 |
RU94044672A (en) | 1996-08-27 |
ZA9343B (en) | 1993-08-05 |
TR26598A (en) | 1995-03-15 |
ITMI920092A1 (en) | 1993-07-21 |
AU3347593A (en) | 1993-08-03 |
WO1993014232A1 (en) | 1993-07-22 |
IT1262918B (en) | 1996-07-22 |
MX9300307A (en) | 1993-12-01 |
CN1074948A (en) | 1993-08-04 |
PL171592B1 (en) | 1997-05-30 |
BR9207057A (en) | 1995-12-05 |
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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 |