WO1998047814A1 - Procede de cristallisation de solution aux fins de la production de phosphates acides a solubilite non congruente par incorporation d'une solution de lavage a base de sel phosphate - Google Patents
Procede de cristallisation de solution aux fins de la production de phosphates acides a solubilite non congruente par incorporation d'une solution de lavage a base de sel phosphate Download PDFInfo
- Publication number
- WO1998047814A1 WO1998047814A1 PCT/US1998/008140 US9808140W WO9847814A1 WO 1998047814 A1 WO1998047814 A1 WO 1998047814A1 US 9808140 W US9808140 W US 9808140W WO 9847814 A1 WO9847814 A1 WO 9847814A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- phosphate
- solution
- crystals
- incongruently
- soluble acid
- Prior art date
Links
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
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/30—Alkali metal phosphates
- C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
-
- 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
- C01B25/26—Phosphates
- C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
-
- 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
- C01B25/26—Phosphates
- C01B25/45—Phosphates containing plural metal, or metal and ammonium
-
- 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
- C01B25/26—Phosphates
- C01B25/45—Phosphates containing plural metal, or metal and ammonium
- C01B25/451—Phosphates containing plural metal, or metal and ammonium containing metal and ammonium
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU71493/98A AU7149398A (en) | 1997-04-23 | 1998-04-23 | Solution crystallization process for the production of incongruently-soluble acid phosphates by incorporating phosphate salt solution wash |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4416497P | 1997-04-23 | 1997-04-23 | |
US60/044,164 | 1997-04-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998047814A1 true WO1998047814A1 (fr) | 1998-10-29 |
Family
ID=21930851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1998/008140 WO1998047814A1 (fr) | 1997-04-23 | 1998-04-23 | Procede de cristallisation de solution aux fins de la production de phosphates acides a solubilite non congruente par incorporation d'une solution de lavage a base de sel phosphate |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU7149398A (fr) |
WO (1) | WO1998047814A1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011110212A1 (fr) | 2010-03-08 | 2011-09-15 | Prayon S.A. | Composition comprenant de l'hémipotassium phosphate. |
EP2004574B1 (fr) | 2006-03-09 | 2016-03-02 | Rotem Amfert Negev Ltd. | Compositions d'engrais solides, fluides, solubles et solubilisantes et leur préparation |
EP2867160A4 (fr) * | 2012-06-28 | 2016-05-25 | Rotem Amfert Negev Ltd | Procédé continu de fabrication d'un engrais granulaire neutre p/k |
CN115849318A (zh) * | 2022-12-26 | 2023-03-28 | 施可丰化工股份有限公司 | 一种全水溶粉状磷酸二氢钾的生产工艺 |
CN116573656A (zh) * | 2023-06-09 | 2023-08-11 | 广东盛祥新材料科技有限公司 | 一种基于高扬程热水泵的碳酸锂洗涤工艺 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR659360A (fr) * | 1928-09-05 | 1929-06-27 | Ig Farbenindustrie Ag | Procédé pour l'obtention d'orthophosphates alcalins |
FR710343A (fr) * | 1930-03-04 | 1931-08-21 | Metallgesellschaft Ag | Procédé pour la préparation de phosphates alcalins primaires, convenant par exemple comme engrais, à partir de combinaisons phosphorées de métaux, en particulier de phosphure de fer |
FR720577A (fr) * | 1930-08-01 | 1932-02-22 | Scient & D Entpr S Ind Soc Et | Procédé pour la préparation de phosphates monoalcalins |
DE971182C (de) * | 1950-02-21 | 1958-12-24 | Metallgesellschaft Ag | Verfahren zur Herstellung von phosphorsauren Salzen |
US3411872A (en) * | 1967-07-24 | 1968-11-19 | Stauffer Chemical Co | Method of producing nonhygroscopic sodium aluminum phosphate |
ES395802A1 (es) * | 1971-10-07 | 1973-12-01 | Cros Sa | Procedimiento de preparacion de sales potasicas yno amoni- cas de acidos fosforicos y polifosforicos. |
EP0031803A2 (fr) * | 1979-12-26 | 1981-07-08 | FMC Corporation | Méthode de production de phosphate cristallin de sodium et d'aluminium |
WO1997009270A1 (fr) * | 1995-09-08 | 1997-03-13 | Monsanto Company | Procede de preparation de phosphate hemipotassique |
-
1998
- 1998-04-23 WO PCT/US1998/008140 patent/WO1998047814A1/fr active Application Filing
- 1998-04-23 AU AU71493/98A patent/AU7149398A/en not_active Abandoned
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR659360A (fr) * | 1928-09-05 | 1929-06-27 | Ig Farbenindustrie Ag | Procédé pour l'obtention d'orthophosphates alcalins |
FR710343A (fr) * | 1930-03-04 | 1931-08-21 | Metallgesellschaft Ag | Procédé pour la préparation de phosphates alcalins primaires, convenant par exemple comme engrais, à partir de combinaisons phosphorées de métaux, en particulier de phosphure de fer |
FR720577A (fr) * | 1930-08-01 | 1932-02-22 | Scient & D Entpr S Ind Soc Et | Procédé pour la préparation de phosphates monoalcalins |
DE971182C (de) * | 1950-02-21 | 1958-12-24 | Metallgesellschaft Ag | Verfahren zur Herstellung von phosphorsauren Salzen |
US3411872A (en) * | 1967-07-24 | 1968-11-19 | Stauffer Chemical Co | Method of producing nonhygroscopic sodium aluminum phosphate |
ES395802A1 (es) * | 1971-10-07 | 1973-12-01 | Cros Sa | Procedimiento de preparacion de sales potasicas yno amoni- cas de acidos fosforicos y polifosforicos. |
EP0031803A2 (fr) * | 1979-12-26 | 1981-07-08 | FMC Corporation | Méthode de production de phosphate cristallin de sodium et d'aluminium |
WO1997009270A1 (fr) * | 1995-09-08 | 1997-03-13 | Monsanto Company | Procede de preparation de phosphate hemipotassique |
Non-Patent Citations (2)
Title |
---|
BOURGUIBA NEJI ET AL.: "Lignes monovariantes de l'isotherme 75 °C du système quaternaire réciproque: H3POç-K2SO4-H2SO4-K3PO4-H2O", CANADIAN JOURNAL OF CHEMISTRY., vol. 71, no. 11, 1993, OTTAWA CA, pages 1816 - 1820, XP002074255 * |
CHEMICAL ABSTRACTS, vol. 82, no. 9, 3 March 1975, Columbus, Ohio, US; abstract no. 56672f, SOCIEDAD ANON. CROS: "Potassium and/or ammonium salts of phosphoric and polyphosphoric acids" XP002074041 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2004574B1 (fr) | 2006-03-09 | 2016-03-02 | Rotem Amfert Negev Ltd. | Compositions d'engrais solides, fluides, solubles et solubilisantes et leur préparation |
WO2011110212A1 (fr) | 2010-03-08 | 2011-09-15 | Prayon S.A. | Composition comprenant de l'hémipotassium phosphate. |
EP2867160A4 (fr) * | 2012-06-28 | 2016-05-25 | Rotem Amfert Negev Ltd | Procédé continu de fabrication d'un engrais granulaire neutre p/k |
RU2633569C2 (ru) * | 2012-06-28 | 2017-10-13 | Ротем Амферт Негев Лтд. | Непрерывный способ производства нейтрального гранулированного фосфорно-калийного (р/к) удобрения |
CN115849318A (zh) * | 2022-12-26 | 2023-03-28 | 施可丰化工股份有限公司 | 一种全水溶粉状磷酸二氢钾的生产工艺 |
CN116573656A (zh) * | 2023-06-09 | 2023-08-11 | 广东盛祥新材料科技有限公司 | 一种基于高扬程热水泵的碳酸锂洗涤工艺 |
CN116573656B (zh) * | 2023-06-09 | 2023-11-24 | 广东盛祥新材料科技有限公司 | 一种基于高扬程热水泵的碳酸锂洗涤工艺 |
Also Published As
Publication number | Publication date |
---|---|
AU7149398A (en) | 1998-11-13 |
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