CA1084240A - Process for the simultaneous manufacture of phosphoric acid or the salts thereof and a complex multi-component mineral fertilizer - Google Patents
Process for the simultaneous manufacture of phosphoric acid or the salts thereof and a complex multi-component mineral fertilizerInfo
- Publication number
- CA1084240A CA1084240A CA244,355A CA244355A CA1084240A CA 1084240 A CA1084240 A CA 1084240A CA 244355 A CA244355 A CA 244355A CA 1084240 A CA1084240 A CA 1084240A
- Authority
- CA
- Canada
- Prior art keywords
- liquor
- precipitate
- acid
- stream
- filtrate
- 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
Links
Classifications
-
- 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
-
- 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
-
- 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
- C01B25/234—Purification; Stabilisation; Concentration
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL1975178549A PL100380B1 (pl) | 1975-03-06 | 1975-03-06 | Sposob wytwarzania jednoczesnie kwasu fosforowego lub soli fosforowych i wieloskladnikowego nawozu mineralnego |
| PLP-178549 | 1975-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1084240A true CA1084240A (en) | 1980-08-26 |
Family
ID=19971181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA244,355A Expired CA1084240A (en) | 1975-03-06 | 1976-01-22 | Process for the simultaneous manufacture of phosphoric acid or the salts thereof and a complex multi-component mineral fertilizer |
Country Status (11)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL124240B1 (en) * | 1979-06-27 | 1983-01-31 | Politechnika Wroclawska | Method of manufacture of mixed fertilizers |
| US5158594A (en) * | 1982-10-25 | 1992-10-27 | Oxford Ronald E | Granulated nitrogen-phosphorus-potassium-sulfur fertilizer from waste gypsum slurry |
| CH654331A5 (de) * | 1983-08-25 | 1986-02-14 | Gautschi Electro Fours Sa | Verfahren und vorrichtung zum schmelzen von metallschrott und/oder groebe. |
| US4576627A (en) * | 1984-09-04 | 1986-03-18 | Hughes William B | Method of providing fertilizer from brines |
| CN85100187B (zh) * | 1985-04-01 | 1985-09-10 | 陕西省化学肥料工业公司 | 磷矿化学分离法 |
| IT1187659B (it) * | 1985-04-23 | 1987-12-23 | Enichem Agricoltura Spa | Procedimento per la produzione di fosfati d'ammonio da rocce fosfatiche |
| US4634533A (en) * | 1985-04-26 | 1987-01-06 | Somerville Robert L | Method of converting brines to useful products |
| WO2022140804A1 (en) * | 2020-12-21 | 2022-06-30 | Tu Trinh Hong | Method for filtering impurities in concentrated extracted phosphoric acid for enhancement of diammonium phosphate fertilizer content and for treatment of post-filtration solid waste into phosphate fertilizer, np fertilizer or npk fertilizer. |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3172751A (en) * | 1965-03-09 | Process for producing nitrogen-phos- | ||
| US2857262A (en) * | 1952-09-11 | 1958-10-21 | Tennessee Valley Authority | Method of manufacturing fertilizers by evaporating slurries containing fertilizer constituents |
| US2942967A (en) * | 1957-05-20 | 1960-06-28 | Lloyd Donald W | Production of a calcium phosphate fertilizer with reduced hygroscopicity |
| GB970947A (en) * | 1960-10-05 | 1964-09-23 | Asahi Chemical Ind | A method for producing chemical fertilizers |
| US3697246A (en) * | 1970-10-16 | 1972-10-10 | Pennzoil United Inc | Potassium phosphate manufacture |
-
1975
- 1975-03-06 PL PL1975178549A patent/PL100380B1/pl unknown
-
1976
- 1976-01-22 AR AR261996A patent/AR211697A1/es active
- 1976-01-22 CA CA244,355A patent/CA1084240A/en not_active Expired
- 1976-01-28 IN IN148/CAL/1976A patent/IN144557B/en unknown
- 1976-01-29 GB GB3622/76A patent/GB1506323A/en not_active Expired
- 1976-01-30 DE DE2603652A patent/DE2603652C3/de not_active Expired
- 1976-02-18 SU SU762322334A patent/SU814272A3/ru active
- 1976-02-20 BR BR7601086A patent/BR7601086A/pt unknown
- 1976-02-27 FR FR7605600A patent/FR2302965A1/fr active Granted
- 1976-03-02 US US05/663,074 patent/US4007030A/en not_active Expired - Lifetime
- 1976-03-04 TR TR19144A patent/TR19144A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| TR19144A (tr) | 1978-05-31 |
| FR2302965B1 (US06826419-20041130-M00005.png) | 1979-02-02 |
| US4007030A (en) | 1977-02-08 |
| PL100380B1 (pl) | 1978-09-30 |
| DE2603652B2 (de) | 1979-08-23 |
| IN144557B (US06826419-20041130-M00005.png) | 1978-05-13 |
| DE2603652C3 (de) | 1980-04-30 |
| AR211697A1 (es) | 1978-02-28 |
| GB1506323A (en) | 1978-04-05 |
| BR7601086A (pt) | 1976-09-14 |
| DE2603652A1 (de) | 1976-09-16 |
| SU814272A3 (ru) | 1981-03-15 |
| FR2302965A1 (fr) | 1976-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |