IT8068325A0 - PROCEDURE FOR THE HEAT TREATMENT OF PHOSPHATIC ROCKS - Google Patents
PROCEDURE FOR THE HEAT TREATMENT OF PHOSPHATIC ROCKSInfo
- Publication number
- IT8068325A0 IT8068325A0 IT8068325A IT6832580A IT8068325A0 IT 8068325 A0 IT8068325 A0 IT 8068325A0 IT 8068325 A IT8068325 A IT 8068325A IT 6832580 A IT6832580 A IT 6832580A IT 8068325 A0 IT8068325 A0 IT 8068325A0
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- heat treatment
- phosphatic
- rocks
- phosphatic rocks
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000011435 rock Substances 0.000 title 1
Classifications
-
- 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
-
- 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
- C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
- C22B60/02—Obtaining thorium, uranium, or other actinides
- C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
- C22B60/0217—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
- C22B60/0252—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries
- C22B60/026—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries liquid-liquid extraction with or without dissolution in organic solvents
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/26—Compounds containing phosphorus
-
- 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
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
- C01B25/2208—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with an acid or a mixture of acids other than sulfuric acid
- C01B25/2212—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with an acid or a mixture of acids other than sulfuric acid with hydrochloric acid or hydrogen chloride in aqueous medium
-
- 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
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
- C01B25/2208—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with an acid or a mixture of acids other than sulfuric acid
- C01B25/2216—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with an acid or a mixture of acids other than sulfuric acid with nitric acid or nitrous vapours in aqueous medium
-
- 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
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
- C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
-
- 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
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
- C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
- C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
-
- 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
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/46—Preparation involving solvent-solvent extraction
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
-
- 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
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/46—Preparation involving solvent-solvent extraction
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
- C01B25/462—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being alcohol or a mixture of alcohols
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
- C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
- C05B11/08—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using sulfuric acid
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8005170 | 1980-02-15 | ||
| GB8023356 | 1980-07-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8068325A0 true IT8068325A0 (en) | 1980-08-27 |
| IT1141618B IT1141618B (en) | 1986-10-01 |
Family
ID=26274504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT68325/80A IT1141618B (en) | 1980-02-15 | 1980-08-27 | PROCEDURE FOR THE THERMAL TREATMENT OF PHOSPHATIC ROCKS |
Country Status (15)
| Country | Link |
|---|---|
| KR (1) | KR830003369A (en) |
| AU (1) | AU6179580A (en) |
| BR (1) | BR8005463A (en) |
| DE (1) | DE3032157A1 (en) |
| FR (1) | FR2476055A1 (en) |
| GB (1) | GB2069987B (en) |
| GR (1) | GR69872B (en) |
| IL (1) | IL60922A0 (en) |
| IT (1) | IT1141618B (en) |
| NL (1) | NL8004840A (en) |
| OA (1) | OA06614A (en) |
| PL (1) | PL226464A1 (en) |
| RO (1) | RO82895B (en) |
| SE (1) | SE8005860L (en) |
| YU (1) | YU214680A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL72097A (en) * | 1984-06-13 | 1987-07-31 | Negev Phosphates Ltd | Process for a thermal treatment of israeli phosphate rock |
| CN104085866A (en) * | 2014-04-23 | 2014-10-08 | 成都乐氏化工工程有限公司 | Production method for improving quality and yield of phosphoric acid |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR319303A (en) * | 1902-03-05 | 1902-11-10 | Hatmaker | Process for obtaining phosphoric acid from mineral phosphates |
| DE368737C (en) * | 1921-07-15 | 1923-02-08 | Borax Cons Ltd | Process for the production of phosphoric acid |
| GB181255A (en) * | 1921-07-15 | 1922-06-15 | Andrew Kelly | Improvements in the production of phosphoric acid |
-
1980
- 1980-08-20 SE SE8005860A patent/SE8005860L/en not_active Application Discontinuation
- 1980-08-21 GR GR62715A patent/GR69872B/el unknown
- 1980-08-26 IL IL60922A patent/IL60922A0/en unknown
- 1980-08-26 DE DE19803032157 patent/DE3032157A1/en not_active Ceased
- 1980-08-27 NL NL8004840A patent/NL8004840A/en not_active Application Discontinuation
- 1980-08-27 FR FR8018627A patent/FR2476055A1/en not_active Withdrawn
- 1980-08-27 AU AU61795/80A patent/AU6179580A/en not_active Abandoned
- 1980-08-27 IT IT68325/80A patent/IT1141618B/en active
- 1980-08-28 RO RO102055A patent/RO82895B/en unknown
- 1980-08-28 KR KR1019800003407A patent/KR830003369A/en unknown
- 1980-08-28 OA OA57202A patent/OA06614A/en unknown
- 1980-08-28 GB GB8027884A patent/GB2069987B/en not_active Expired
- 1980-08-28 BR BR8005463A patent/BR8005463A/en unknown
- 1980-08-28 PL PL22646480A patent/PL226464A1/xx unknown
- 1980-08-28 YU YU02146/80A patent/YU214680A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2476055A1 (en) | 1981-08-21 |
| GB2069987B (en) | 1984-08-08 |
| NL8004840A (en) | 1981-09-16 |
| IL60922A0 (en) | 1980-10-26 |
| GB2069987A (en) | 1981-09-03 |
| YU214680A (en) | 1983-02-28 |
| DE3032157A1 (en) | 1981-11-12 |
| BR8005463A (en) | 1981-09-08 |
| IT1141618B (en) | 1986-10-01 |
| GR69872B (en) | 1982-07-20 |
| PL226464A1 (en) | 1981-08-21 |
| AU6179580A (en) | 1981-08-20 |
| RO82895B (en) | 1984-01-30 |
| KR830003369A (en) | 1983-06-20 |
| OA06614A (en) | 1981-08-31 |
| RO82895A (en) | 1984-01-14 |
| SE8005860L (en) | 1981-08-16 |
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