IT948730B - Metodo ed apparecchiatura di arrostimento ossidante alcalino - Google Patents
Metodo ed apparecchiatura di arrostimento ossidante alcalinoInfo
- Publication number
- IT948730B IT948730B IT4855672A IT4855672A IT948730B IT 948730 B IT948730 B IT 948730B IT 4855672 A IT4855672 A IT 4855672A IT 4855672 A IT4855672 A IT 4855672A IT 948730 B IT948730 B IT 948730B
- Authority
- IT
- Italy
- Prior art keywords
- equipment
- roasting method
- alkaline oxidant
- oxidant
- alkaline
- Prior art date
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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
-
- 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)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7345671A JPS4838817A (it) | 1971-09-22 | 1971-09-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT948730B true IT948730B (it) | 1973-06-11 |
Family
ID=13518748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT4855672A IT948730B (it) | 1971-09-22 | 1972-02-25 | Metodo ed apparecchiatura di arrostimento ossidante alcalino |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS4838817A (it) |
DE (1) | DE2209384A1 (it) |
FR (1) | FR2153223B1 (it) |
GB (1) | GB1352978A (it) |
IT (1) | IT948730B (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4162140A (en) * | 1977-09-26 | 1979-07-24 | John Zink Company | NOx abatement in burning of gaseous or liquid fuels |
IT1269994B (it) * | 1993-09-30 | 1997-04-16 | Bayer Ag | Metodo per la fabbricazione di cromati alcalini da minerale di cromo |
DE4333349C2 (de) * | 1993-09-30 | 1999-03-11 | Bayer Ag | Verfahren zur Herstellung von Alkalichromaten aus Chromerz |
JP2005015327A (ja) | 2003-05-30 | 2005-01-20 | Jfe Mineral Co Ltd | 金属の複合酸化物の製造方法 |
CN112661186A (zh) * | 2020-12-25 | 2021-04-16 | 四川省绵阳市华意达化工有限公司 | 一种铬铁矿底吹富氧低碱焙烧的方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5034343Y2 (it) * | 1971-06-18 | 1975-10-06 |
-
1971
- 1971-09-22 JP JP7345671A patent/JPS4838817A/ja active Pending
-
1972
- 1972-02-25 IT IT4855672A patent/IT948730B/it active
- 1972-02-28 DE DE19722209384 patent/DE2209384A1/de active Pending
- 1972-03-03 GB GB1008372A patent/GB1352978A/en not_active Expired
- 1972-03-14 FR FR7208835A patent/FR2153223B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2153223B1 (it) | 1977-06-17 |
DE2209384A1 (de) | 1973-03-29 |
JPS4838817A (it) | 1973-06-07 |
FR2153223A1 (it) | 1973-05-04 |
GB1352978A (en) | 1974-05-15 |
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