ZA944461B - Process for the decomposition of chrome ore by alkaline oxidation - Google Patents

Process for the decomposition of chrome ore by alkaline oxidation

Info

Publication number
ZA944461B
ZA944461B ZA944461A ZA944461A ZA944461B ZA 944461 B ZA944461 B ZA 944461B ZA 944461 A ZA944461 A ZA 944461A ZA 944461 A ZA944461 A ZA 944461A ZA 944461 B ZA944461 B ZA 944461B
Authority
ZA
South Africa
Prior art keywords
decomposition
chrome ore
alkaline oxidation
alkaline
oxidation
Prior art date
Application number
ZA944461A
Inventor
Ruediger 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 ZA944461B publication Critical patent/ZA944461B/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)
  • Catalysts (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
ZA944461A 1993-06-23 1994-06-22 Process for the decomposition of chrome ore by alkaline oxidation ZA944461B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA944461B true ZA944461B (en) 1995-02-14

Family

ID=6490938

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA944461A ZA944461B (en) 1993-06-23 1994-06-22 Process for the decomposition of chrome ore by alkaline oxidation

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
BR9402501A (en) 1995-01-24
GB2279647B (en) 1996-01-10
GB9412491D0 (en) 1994-08-10
ITMI941285A1 (en) 1995-12-20
DE4417556A1 (en) 1995-01-05
ITMI941285A0 (en) 1994-06-20
IT1270254B (en) 1997-04-29
GB2279647A (en) 1995-01-11

Similar Documents

Publication Publication Date Title
GB2275264B (en) Waste treatment process employing oxidation
SG89228A1 (en) Process for the ctalytic partial oxidation of hydrocarbons
ZA969603B (en) Process for the production of ink concentrates
EP0559227A3 (en) Process for producing acrolein
ZA863819B (en) Process for the reduction of iron-containing chrome ores
ZA916699B (en) Process for the purification of an oxidation off gas
ZA93276B (en) Neutrotransmitter releases usefor for cognition enhancement
GB2279647B (en) Process for the decomposition of chrome ore by alkaline oxidation
EP0604092A3 (en) Improved process for manufacture of alkyhalosilanes.
GB9402766D0 (en) Re-tanning process
GB2246561B (en) Oxidation of ferrous sulphate by a two-stage process
SG45344A1 (en) Process for the hydrocycarbonylation of lactones
HU9401447D0 (en) Process for making skin from animalhides
GB2283971B (en) Oxidation process
GB9210027D0 (en) Oxidation process
GB2270308B (en) Precipitation process for potassium sulphate
EP0596286A3 (en) Process for production of 5-amino-3-methylpyrazole.
HU9200079D0 (en) New process for eliminating iron or mangane by air-oxidation
CS393291A3 (en) Process for producing industrial iron
GB9325370D0 (en) Catalytic oxidation process
ZA911997B (en) Microbiological oxidation process for recovering mineral values
ZA936701B (en) Process for the production of high carbon ferrochromium
GB9321253D0 (en) Process for the production of s.s.e.d.d.s
EG19992A (en) Novel industrial processes for modification of starch via oxidation
HU9302913D0 (en) Process for producing thioacetamide