RO82895B - Procedeu pentru tratarea termica a rocilor fosfatice care contin carbonat de calciu si compusi organici - Google Patents
Procedeu pentru tratarea termica a rocilor fosfatice care contin carbonat de calciu si compusi organiciInfo
- Publication number
- RO82895B RO82895B RO102055A RO10205580A RO82895B RO 82895 B RO82895 B RO 82895B RO 102055 A RO102055 A RO 102055A RO 10205580 A RO10205580 A RO 10205580A RO 82895 B RO82895 B RO 82895B
- Authority
- RO
- Romania
- Prior art keywords
- calcium carbonate
- organic compounds
- thermally treating
- rocks
- treating calcium
- 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
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Polymers & Plastics (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Geochemistry & Mineralogy (AREA)
- Animal Husbandry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
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 |
|---|---|
| RO82895A RO82895A (fr) | 1984-01-14 |
| RO82895B true RO82895B (ro) | 1984-01-30 |
Family
ID=26274504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO102055A RO82895B (ro) | 1980-02-15 | 1980-08-28 | Procedeu pentru tratarea termica a rocilor fosfatice care contin carbonat de calciu si compusi organici |
Country Status (15)
| Country | Link |
|---|---|
| KR (1) | KR830003369A (fr) |
| AU (1) | AU6179580A (fr) |
| BR (1) | BR8005463A (fr) |
| DE (1) | DE3032157A1 (fr) |
| FR (1) | FR2476055A1 (fr) |
| GB (1) | GB2069987B (fr) |
| GR (1) | GR69872B (fr) |
| IL (1) | IL60922A0 (fr) |
| IT (1) | IT1141618B (fr) |
| NL (1) | NL8004840A (fr) |
| OA (1) | OA06614A (fr) |
| PL (1) | PL226464A1 (fr) |
| RO (1) | RO82895B (fr) |
| SE (1) | SE8005860L (fr) |
| YU (1) | YU214680A (fr) |
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 (zh) * | 2014-04-23 | 2014-10-08 | 成都乐氏化工工程有限公司 | 一种提高磷酸品质和收率的生产方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR319303A (fr) * | 1902-03-05 | 1902-11-10 | Hatmaker | Procédé pour obtenir l'acide phosphorique des phosphates minéraux |
| GB181255A (en) * | 1921-07-15 | 1922-06-15 | Andrew Kelly | Improvements in the production of phosphoric acid |
| DE368737C (de) * | 1921-07-15 | 1923-02-08 | Borax Cons Ltd | Verfahren zur Herstellung von Phosphorsaeure |
-
1980
- 1980-08-20 SE SE8005860A patent/SE8005860L/xx not_active Application Discontinuation
- 1980-08-21 GR GR62715A patent/GR69872B/el unknown
- 1980-08-26 IL IL60922A patent/IL60922A0/xx unknown
- 1980-08-26 DE DE19803032157 patent/DE3032157A1/de not_active Ceased
- 1980-08-27 NL NL8004840A patent/NL8004840A/nl not_active Application Discontinuation
- 1980-08-27 IT IT68325/80A patent/IT1141618B/it active
- 1980-08-27 AU AU61795/80A patent/AU6179580A/en not_active Abandoned
- 1980-08-27 FR FR8018627A patent/FR2476055A1/fr not_active Withdrawn
- 1980-08-28 GB GB8027884A patent/GB2069987B/en not_active Expired
- 1980-08-28 BR BR8005463A patent/BR8005463A/pt unknown
- 1980-08-28 KR KR1019800003407A patent/KR830003369A/ko unknown
- 1980-08-28 RO RO102055A patent/RO82895B/ro unknown
- 1980-08-28 OA OA57202A patent/OA06614A/fr unknown
- 1980-08-28 PL PL22646480A patent/PL226464A1/xx unknown
- 1980-08-28 YU YU02146/80A patent/YU214680A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2069987A (en) | 1981-09-03 |
| RO82895A (fr) | 1984-01-14 |
| OA06614A (fr) | 1981-08-31 |
| SE8005860L (sv) | 1981-08-16 |
| YU214680A (en) | 1983-02-28 |
| BR8005463A (pt) | 1981-09-08 |
| KR830003369A (ko) | 1983-06-20 |
| NL8004840A (nl) | 1981-09-16 |
| GB2069987B (en) | 1984-08-08 |
| IL60922A0 (en) | 1980-10-26 |
| IT8068325A0 (it) | 1980-08-27 |
| PL226464A1 (fr) | 1981-08-21 |
| GR69872B (fr) | 1982-07-20 |
| FR2476055A1 (fr) | 1981-08-21 |
| IT1141618B (it) | 1986-10-01 |
| DE3032157A1 (de) | 1981-11-12 |
| AU6179580A (en) | 1981-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI833212A (fi) | Framstaellning av klordioxid | |
| PL252389A1 (en) | Method of obtaining urea | |
| RO82895B (ro) | Procedeu pentru tratarea termica a rocilor fosfatice care contin carbonat de calciu si compusi organici | |
| US2142944A (en) | Production of phosphates | |
| US3101999A (en) | Low temperature defluorination of phosphate material | |
| SU789390A1 (ru) | Способ получени экстракционной фосфорной кислоты | |
| SU431144A1 (ru) | Способ получения фосфорного удобрения | |
| SU509533A1 (ru) | Способ получени полифосфатааммони | |
| SU800172A1 (ru) | Способ получени двойного гра-НулиРОВАННОгО СупЕРфОСфАТА | |
| DK163224C (da) | Fremgangsmaade til fremstilling af natriumperborat, monohydrat ud fra natriumperborat, tetrahydrat | |
| SU628086A1 (ru) | Способ получени кремнефторида натри | |
| SU1564153A1 (ru) | Способ получени обесфторенных фосфатов | |
| ES535256A0 (es) | Un metodo continuo de producir bicarbonato sodico | |
| JPS5537422A (en) | Production of aluminum and hydrogen | |
| US982311A (en) | Preparation of lime nitrogen. | |
| JPS57129811A (en) | Manufacture of wet process phosphoric acid | |
| RO86976B1 (ro) | PROCEDEU PENTRU ANHIDRIZAREA ACIDULUI BORIC îN STRAT FLUIDIZAT | |
| ES8106121A1 (es) | Un procedimiento para tratar por calor roca de fosfato | |
| RO96827B1 (ro) | Procedeu semicontinuu de obtinere a fosfatului secundar de calciu | |
| ES516559A0 (es) | Procedimiento para preparar un fosfato de calcio de calidad alimenticia. | |
| HUT45221A (en) | Process for producing monocalcium phosphate | |
| HUT34412A (en) | Process for production of calcium phosphate |