WO2006016079A3 - Procede perfectionne de fabrication d'acide phosphorique - Google Patents
Procede perfectionne de fabrication d'acide phosphorique Download PDFInfo
- Publication number
- WO2006016079A3 WO2006016079A3 PCT/FR2005/050451 FR2005050451W WO2006016079A3 WO 2006016079 A3 WO2006016079 A3 WO 2006016079A3 FR 2005050451 W FR2005050451 W FR 2005050451W WO 2006016079 A3 WO2006016079 A3 WO 2006016079A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reactor
- liquid
- phosphoric acid
- solid
- slurry
- 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
- C01B25/18—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
- C01B25/225—Dihydrate process
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Saccharide Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE602005011013T DE602005011013D1 (de) | 2004-07-13 | 2005-06-16 | Verbessertes verfahren zur herstellung von phosphorsäure |
EP05778171A EP1773851B1 (fr) | 2004-07-13 | 2005-06-16 | Procede perfectionne de fabrication d'acide phosphorique |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0451524A FR2873119B1 (fr) | 2004-07-13 | 2004-07-13 | Procede perfectionne de fabrication d'acide phosphorique |
FR0451524 | 2004-07-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006016079A2 WO2006016079A2 (fr) | 2006-02-16 |
WO2006016079A3 true WO2006016079A3 (fr) | 2006-08-10 |
Family
ID=34947558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2005/050451 WO2006016079A2 (fr) | 2004-07-13 | 2005-06-16 | Procede perfectionne de fabrication d'acide phosphorique |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1773851B1 (fr) |
AT (1) | ATE414091T1 (fr) |
DE (1) | DE602005011013D1 (fr) |
FR (1) | FR2873119B1 (fr) |
WO (1) | WO2006016079A2 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5188583B2 (ja) | 2008-01-04 | 2013-04-24 | エルジー・ライフ・サイエンシーズ・リミテッド | 細胞、組織及び臓器保存効果を有するインドール及びインダゾール誘導体 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1212825A (fr) * | 1958-08-25 | 1960-03-25 | Ets Kuhlmann | Procédé continu de fabrication d'acide phosphorique et appareillage pour sa mise en oeuvre |
FR2130847A5 (en) * | 1971-03-23 | 1972-11-10 | Pechiney Saint Gobain | Wet process phosphoric acid prodn - high phosphorus pentoxide concn |
US4220630A (en) * | 1978-01-04 | 1980-09-02 | Occidental Petroleum Corporation | Hemihydrate type process for phosphoric acid manufacture using additive to improve filterability |
FR2468548A1 (fr) * | 1979-10-31 | 1981-05-08 | Rhone Poulenc Ind | Perfectionnements au procede de preparation d'acide phosphorique de voie humide |
EP0181029A2 (fr) * | 1984-11-05 | 1986-05-14 | Prayon Développement Société anonyme | Procédé continu de préparation d'acide phosphorique et de sulfate de calcium |
-
2004
- 2004-07-13 FR FR0451524A patent/FR2873119B1/fr not_active Expired - Fee Related
-
2005
- 2005-06-16 DE DE602005011013T patent/DE602005011013D1/de not_active Expired - Fee Related
- 2005-06-16 EP EP05778171A patent/EP1773851B1/fr not_active Not-in-force
- 2005-06-16 WO PCT/FR2005/050451 patent/WO2006016079A2/fr not_active Application Discontinuation
- 2005-06-16 AT AT05778171T patent/ATE414091T1/de not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1212825A (fr) * | 1958-08-25 | 1960-03-25 | Ets Kuhlmann | Procédé continu de fabrication d'acide phosphorique et appareillage pour sa mise en oeuvre |
FR2130847A5 (en) * | 1971-03-23 | 1972-11-10 | Pechiney Saint Gobain | Wet process phosphoric acid prodn - high phosphorus pentoxide concn |
US4220630A (en) * | 1978-01-04 | 1980-09-02 | Occidental Petroleum Corporation | Hemihydrate type process for phosphoric acid manufacture using additive to improve filterability |
FR2468548A1 (fr) * | 1979-10-31 | 1981-05-08 | Rhone Poulenc Ind | Perfectionnements au procede de preparation d'acide phosphorique de voie humide |
EP0181029A2 (fr) * | 1984-11-05 | 1986-05-14 | Prayon Développement Société anonyme | Procédé continu de préparation d'acide phosphorique et de sulfate de calcium |
Non-Patent Citations (4)
Title |
---|
DATABASE CA [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; BESPALOV, A. V. ET AL: "Manufacture of wet - process phosphoric acid by dihydrate process with separate feed of apatite concentrate", XP002320022, retrieved from STN Database accession no. 133:254491 * |
DATABASE CA [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; YAKUBOV, R. YA. ET AL: "Effect of seed crystals on the decomposition and crystallization of calcium sulfate dihydrate in production of wet - process phosphoric acid from the phosphorites of Karatau", XP002320023, retrieved from STN Database accession no. 101:57165 * |
KHIMICHESKAYA PROMYSHLENNOST (MOSCOW) , (10), 625-628 CODEN: KPRMAW; ISSN: 0023-110X, 1999 * |
UZBEKSKII KHIMICHESKII ZHURNAL , (3), 43-6 CODEN: UZKZAC; ISSN: 0042-1707, 1984 * |
Also Published As
Publication number | Publication date |
---|---|
EP1773851A2 (fr) | 2007-04-18 |
WO2006016079A2 (fr) | 2006-02-16 |
ATE414091T1 (de) | 2008-11-15 |
DE602005011013D1 (de) | 2008-12-24 |
FR2873119A1 (fr) | 2006-01-20 |
EP1773851B1 (fr) | 2008-11-12 |
FR2873119B1 (fr) | 2008-02-01 |
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