FR2625223B1 - Procede pour l'elimination du cadmium des minerais de phosphate - Google Patents
Procede pour l'elimination du cadmium des minerais de phosphateInfo
- Publication number
- FR2625223B1 FR2625223B1 FR8718149A FR8718149A FR2625223B1 FR 2625223 B1 FR2625223 B1 FR 2625223B1 FR 8718149 A FR8718149 A FR 8718149A FR 8718149 A FR8718149 A FR 8718149A FR 2625223 B1 FR2625223 B1 FR 2625223B1
- Authority
- FR
- France
- Prior art keywords
- cadmium
- elimination
- phosphate ores
- ores
- phosphate
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/01—Treating phosphate ores or other raw phosphate materials to obtain phosphorus or phosphorus compounds
-
- 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
- C22B1/04—Blast roasting
-
- 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
- C22B17/00—Obtaining cadmium
- C22B17/02—Obtaining cadmium by dry processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/2016—Arrangements of preheating devices for the charge
- F27B7/2025—Arrangements of preheating devices for the charge consisting of a single string of cyclones
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Metallurgy (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8718149A FR2625223B1 (fr) | 1987-12-24 | 1987-12-24 | Procede pour l'elimination du cadmium des minerais de phosphate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8718149A FR2625223B1 (fr) | 1987-12-24 | 1987-12-24 | Procede pour l'elimination du cadmium des minerais de phosphate |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2625223A1 FR2625223A1 (fr) | 1989-06-30 |
FR2625223B1 true FR2625223B1 (fr) | 1992-10-02 |
Family
ID=9358301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8718149A Expired - Fee Related FR2625223B1 (fr) | 1987-12-24 | 1987-12-24 | Procede pour l'elimination du cadmium des minerais de phosphate |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2625223B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI3475220T3 (fi) | 2016-06-27 | 2023-10-10 | Smidth As F L | Laite kadmiumin poistamiseksi kalsinoidusta materiaalista |
EP4161872A4 (fr) * | 2020-06-08 | 2024-03-06 | Metso Metals Oy | Installation et procédé de traitement de matériau solide |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2142790B2 (fr) * | 1971-06-25 | 1973-06-29 | Fives Lille Cail | |
FR2423440A1 (fr) * | 1978-04-20 | 1979-11-16 | Fives Cail Babcock | Procede et installation pour la calcination a haute temperature des minerais de phosphate |
FR2520341A1 (fr) * | 1982-01-27 | 1983-07-29 | Fives Cail Babcock | Procede et installation pour la calcination des minerais de phosphate |
DK149744C (da) * | 1984-03-09 | 1987-02-16 | Smidth & Co As F L | Fremgangsmaade til fjernelse af cadmium fra raafosfat |
FR2608584B1 (fr) * | 1986-12-22 | 1989-04-07 | Fives Cail Babcock | Procede pour l'elimination du cadmium des minerais de phosphates |
-
1987
- 1987-12-24 FR FR8718149A patent/FR2625223B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2625223A1 (fr) | 1989-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |