BR9402501A - Process for the alkaline-oxidizing disintegration of chromium ore - Google Patents

Process for the alkaline-oxidizing disintegration of chromium ore

Info

Publication number
BR9402501A
BR9402501A BR9402501A BR9402501A BR9402501A BR 9402501 A BR9402501 A BR 9402501A BR 9402501 A BR9402501 A BR 9402501A BR 9402501 A BR9402501 A BR 9402501A BR 9402501 A BR9402501 A BR 9402501A
Authority
BR
Brazil
Prior art keywords
disintegration
oxidizing
alkaline
chromium ore
ore
Prior art date
Application number
BR9402501A
Other languages
Portuguese (pt)
Inventor
Ruediger Dr Drope
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BR9402501A publication Critical patent/BR9402501A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Catalysts (AREA)
BR9402501A 1993-06-23 1994-06-22 Process for the alkaline-oxidizing disintegration of chromium ore BR9402501A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4320707 1993-06-23

Publications (1)

Publication Number Publication Date
BR9402501A true BR9402501A (en) 1995-01-24

Family

ID=6490938

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9402501A BR9402501A (en) 1993-06-23 1994-06-22 Process for the alkaline-oxidizing disintegration of chromium ore

Country Status (5)

Country Link
BR (1) BR9402501A (en)
DE (1) DE4417556A1 (en)
GB (1) GB2279647B (en)
IT (1) IT1270254B (en)
ZA (1) ZA944461B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110776011B (en) * 2019-12-20 2021-08-17 成都铬科高化工技术有限责任公司 Method for preparing sodium chromate by low-nitrogen roasting and clinker continuous leaching of chromite
CN112661186A (en) * 2020-12-25 2021-04-16 四川省绵阳市华意达化工有限公司 Method for bottom blowing oxygen-enriched low-alkali roasting of chromite

Also Published As

Publication number Publication date
ZA944461B (en) 1995-02-14
IT1270254B (en) 1997-04-29
GB2279647A (en) 1995-01-11
ITMI941285A0 (en) 1994-06-20
GB2279647B (en) 1996-01-10
DE4417556A1 (en) 1995-01-05
ITMI941285A1 (en) 1995-12-20
GB9412491D0 (en) 1994-08-10

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Legal Events

Date Code Title Description
FF Decision: intention to grant
HO Change of classification

Free format text: ALTERADO DA INT. CL 5 C01G 37/14

FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law