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ITMI920092A1 - Procedimento ed impianto per la riduzione del cromo esavalente contenuto nei residui della lavorazione dei minerali di cromo - Google Patents

Procedimento ed impianto per la riduzione del cromo esavalente contenuto nei residui della lavorazione dei minerali di cromo

Info

Publication number
ITMI920092A1
ITMI920092A1 ITMI920092A ITMI920092A1 IT MI920092 A1 ITMI920092 A1 IT MI920092A1 IT MI920092 A ITMI920092 A IT MI920092A IT MI920092 A1 ITMI920092 A1 IT MI920092A1
Authority
IT
Italy
Prior art keywords
chrome
minerals
residues
plant
procedure
Prior art date
Application number
Other languages
English (en)
Inventor
Giuseppe Bruzzone
Diego Perrone
Annibale Salvi
Original Assignee
Stoppani Luigi Spa
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 Spa filed Critical Stoppani Luigi Spa
Publication of ITMI920092A0 publication Critical patent/ITMI920092A0/it
Priority to IT92MI92 priority Critical patent/IT1262918B/it
Priority to PCT/EP1992/003007 priority patent/WO1993014232A1/en
Priority to EP93902135A priority patent/EP0621905A1/en
Priority to AU33475/93A priority patent/AU3347593A/en
Priority to PL92304301A priority patent/PL171592B1/pl
Priority to BR9207057A priority patent/BR9207057A/pt
Priority to CZ941703A priority patent/CZ170394A3/cs
Priority to RU94044672A priority patent/RU2096511C1/ru
Priority to RO94-01227A priority patent/RO110458B1/ro
Priority to SK841-94A priority patent/SK84194A3/sk
Priority to ZA9343A priority patent/ZA9343B/xx
Priority to TR1893A priority patent/TR26598A/xx
Priority to CN93100815A priority patent/CN1074948A/zh
Priority to MX9300307A priority patent/MX9300307A/es
Publication of ITMI920092A1 publication Critical patent/ITMI920092A1/it
Application granted granted Critical
Publication of IT1262918B publication Critical patent/IT1262918B/it

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)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Removal Of Specific Substances (AREA)
IT92MI92 1992-01-21 1992-01-21 Procedimento ed impianto per la riduzione del cromo esavalente contenuto nei residui della lavorazione dei minerali di cromo IT1262918B (it)

Priority Applications (14)

Application Number Priority Date Filing Date Title
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
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 (ro) 1992-01-21 1992-12-29 Procedeu de obtinere a compusilor de crom trivalent, insolubili in apa, din produsi reziduali de la prelucrarea minereurilor de crom
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
PL92304301A PL171592B1 (pl) 1992-01-21 1992-12-29 S posób redukowania szesciowartosciowego chromu, zawartego w pozostalosciach pochodzacych z przetwarzania mineralów chromowych PL
BR9207057A BR9207057A (pt) 1992-01-21 1992-12-29 Processo para obter compostos de cromo insolúveis em água e instalação para redução de cromo hexavalente
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
RU94044672A RU2096511C1 (ru) 1992-01-21 1992-12-29 Способ получения водонерастворимых соединений хрома
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
SK841-94A SK84194A3 (en) 1992-01-21 1992-12-29 Process for reduction of hexavalent chromium and device for realization of this method
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 (tr) 1992-01-21 1993-01-18 KROM MINERALLERININ ISLEME TABI TUTULMASI SONUCU ORTAYA CIKAN ARTIKTA BULUNAN HEKSAVALEN KROMUN REDüKSIYONU ICIN GEREKLI ISLEM VE TESIS.
CN93100815A CN1074948A (zh) 1992-01-21 1993-01-20 从加工铬矿石中的残余物中还原六价铬的方法及设备
MX9300307A MX9300307A (es) 1992-01-21 1993-01-21 Proceso y planta para la reduccion de cromo hexavalente contenido en el residuo resultante del procesamiento de minerales de cromo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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

Publications (3)

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

Family

ID=11361603

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (14)

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

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
SI2870107T1 (en) 2012-07-06 2018-05-31 Lanxess Deutschland Gmbh A process for the reduction of six valent chromes in solid oxide materials

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

Also Published As

Publication number Publication date
RU2096511C1 (ru) 1997-11-20
TR26598A (tr) 1995-03-15
IT1262918B (it) 1996-07-22
AU3347593A (en) 1993-08-03
CZ170394A3 (en) 1995-08-16
ITMI920092A0 (it) 1992-01-21
SK84194A3 (en) 1995-08-09
CN1074948A (zh) 1993-08-04
ZA9343B (en) 1993-08-05
MX9300307A (es) 1993-12-01
BR9207057A (pt) 1995-12-05
PL171592B1 (pl) 1997-05-30
RO110458B1 (ro) 1996-01-30
EP0621905A1 (en) 1994-11-02
RU94044672A (ru) 1996-08-27
WO1993014232A1 (en) 1993-07-22

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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