FR2520341A1 - Procede et installation pour la calcination des minerais de phosphate - Google Patents
Procede et installation pour la calcination des minerais de phosphate Download PDFInfo
- Publication number
- FR2520341A1 FR2520341A1 FR8201224A FR8201224A FR2520341A1 FR 2520341 A1 FR2520341 A1 FR 2520341A1 FR 8201224 A FR8201224 A FR 8201224A FR 8201224 A FR8201224 A FR 8201224A FR 2520341 A1 FR2520341 A1 FR 2520341A1
- Authority
- FR
- France
- Prior art keywords
- ore
- calcined
- air
- calcination
- chamber
- 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.)
- Granted
Links
- 238000001354 calcination Methods 0.000 title claims abstract description 34
- 229910019142 PO4 Inorganic materials 0.000 title claims description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title claims description 10
- 239000010452 phosphate Substances 0.000 title claims description 10
- 238000002485 combustion reaction Methods 0.000 title claims description 5
- 238000001816 cooling Methods 0.000 title abstract 3
- 239000000470 constituent Substances 0.000 title 1
- 239000007789 gas Substances 0.000 claims abstract description 31
- 230000003068 static effect Effects 0.000 claims abstract description 6
- 239000000725 suspension Substances 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 238000005243 fluidization Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 5
- 239000003517 fume Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 abstract description 6
- 239000005416 organic matter Substances 0.000 abstract description 5
- 150000004763 sulfides Chemical class 0.000 abstract description 5
- 150000003467 sulfuric acid derivatives Chemical class 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
- B01J6/001—Calcining
-
- 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
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8201224A FR2520341A1 (fr) | 1982-01-27 | 1982-01-27 | Procede et installation pour la calcination des minerais de phosphate |
| FR8213546A FR2531416A2 (fr) | 1982-01-27 | 1982-08-03 | Procede de calcination des minerais de phosphate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8201224A FR2520341A1 (fr) | 1982-01-27 | 1982-01-27 | Procede et installation pour la calcination des minerais de phosphate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2520341A1 true FR2520341A1 (fr) | 1983-07-29 |
| FR2520341B1 FR2520341B1 (enrdf_load_stackoverflow) | 1984-03-09 |
Family
ID=9270348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8201224A Granted FR2520341A1 (fr) | 1982-01-27 | 1982-01-27 | Procede et installation pour la calcination des minerais de phosphate |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2520341A1 (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0154554A3 (en) * | 1984-03-09 | 1986-09-17 | F.L. Smidth & Co. A/S | Method of removing cadmium from raw phosphate |
| FR2608584A1 (fr) * | 1986-12-22 | 1988-06-24 | Fives Cail Babcock | Procede pour l'elimination du cadmium des minerais de phosphates |
| FR2625223A1 (fr) * | 1987-12-24 | 1989-06-30 | Fives Cail Babcock | Procede pour l'elimination du cadmium des minerais de phosphate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3872211A (en) * | 1972-11-07 | 1975-03-18 | Dorr Oliver Inc | Calcination of high moisture content phosphate rock |
| US3998929A (en) * | 1972-10-30 | 1976-12-21 | Dorr-Oliver Incorporated | Fluidized bed process |
| US4017585A (en) * | 1974-10-29 | 1977-04-12 | Dorr-Oliver Incorporated | Fluid bed calcination process |
| FR2423440A1 (fr) * | 1978-04-20 | 1979-11-16 | Fives Cail Babcock | Procede et installation pour la calcination a haute temperature des minerais de phosphate |
| GB1557248A (en) * | 1976-09-09 | 1979-12-05 | Macaskill D | Calcination of materials |
-
1982
- 1982-01-27 FR FR8201224A patent/FR2520341A1/fr active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3998929A (en) * | 1972-10-30 | 1976-12-21 | Dorr-Oliver Incorporated | Fluidized bed process |
| US3872211A (en) * | 1972-11-07 | 1975-03-18 | Dorr Oliver Inc | Calcination of high moisture content phosphate rock |
| US4017585A (en) * | 1974-10-29 | 1977-04-12 | Dorr-Oliver Incorporated | Fluid bed calcination process |
| GB1557248A (en) * | 1976-09-09 | 1979-12-05 | Macaskill D | Calcination of materials |
| FR2423440A1 (fr) * | 1978-04-20 | 1979-11-16 | Fives Cail Babcock | Procede et installation pour la calcination a haute temperature des minerais de phosphate |
Non-Patent Citations (1)
| Title |
|---|
| EXBK/78 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0154554A3 (en) * | 1984-03-09 | 1986-09-17 | F.L. Smidth & Co. A/S | Method of removing cadmium from raw phosphate |
| FR2608584A1 (fr) * | 1986-12-22 | 1988-06-24 | Fives Cail Babcock | Procede pour l'elimination du cadmium des minerais de phosphates |
| FR2625223A1 (fr) * | 1987-12-24 | 1989-06-30 | Fives Cail Babcock | Procede pour l'elimination du cadmium des minerais de phosphate |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2520341B1 (enrdf_load_stackoverflow) | 1984-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |