TNSN98021A1 - Procede pour la purification de l'acide phosphorique obtenu par voie humide. - Google Patents
Procede pour la purification de l'acide phosphorique obtenu par voie humide.Info
- Publication number
- TNSN98021A1 TNSN98021A1 TNTNSN98021A TNSN98021A TNSN98021A1 TN SN98021 A1 TNSN98021 A1 TN SN98021A1 TN TNSN98021 A TNTNSN98021 A TN TNSN98021A TN SN98021 A TNSN98021 A TN SN98021A TN SN98021 A1 TNSN98021 A1 TN SN98021A1
- Authority
- TN
- Tunisia
- Prior art keywords
- solvent
- water
- phosphoric acid
- solvent mixture
- acid
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 4
- 238000000746 purification Methods 0.000 title abstract 2
- 239000002904 solvent Substances 0.000 abstract 6
- 239000011877 solvent mixture Substances 0.000 abstract 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 229910019142 PO4 Inorganic materials 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 239000003791 organic solvent mixture Substances 0.000 abstract 1
- 235000021317 phosphate Nutrition 0.000 abstract 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 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
- 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)
- Extraction Or Liquid Replacement (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Silicon Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Fuel Cell (AREA)
Abstract
LA PRESENTE INVENTION CONCERNE UN PROCEDE POUR LA PURIFICATION AU MOYEN D'UN MELANGE DE SOLVANT ORGANIQUE, D'UN ACIDE PHOSPHORIQUE ACQUEUX OBTENU PAR VOIE HUMIDE. LE PROCEDE EST REALISE SELON LE PRINCIPE D'EXTRACTION A CONTRE-COURANT EN STADES MULTIPLES.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19703884A DE19703884C2 (de) | 1997-02-03 | 1997-02-03 | Verfahren zur Reinigung von Naßverfahrensphosphorsäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TNSN98021A1 true TNSN98021A1 (fr) | 2005-03-15 |
Family
ID=7819090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TNTNSN98021A TNSN98021A1 (fr) | 1997-02-03 | 1998-02-03 | Procede pour la purification de l'acide phosphorique obtenu par voie humide. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6251351B1 (fr) |
| EP (1) | EP0896567B1 (fr) |
| CN (1) | CN1296273C (fr) |
| AT (1) | ATE226181T1 (fr) |
| AU (1) | AU6618798A (fr) |
| BR (1) | BR9805907A (fr) |
| CA (1) | CA2250914A1 (fr) |
| DE (2) | DE19703884C2 (fr) |
| ES (1) | ES2185150T3 (fr) |
| IL (1) | IL126379A (fr) |
| TN (1) | TNSN98021A1 (fr) |
| WO (1) | WO1998033741A1 (fr) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI257915B (en) * | 2004-06-29 | 2006-07-11 | Yung-Hsiung Hsu | Processes for purifying phosphoric acid |
| CN1321057C (zh) * | 2005-02-01 | 2007-06-13 | 云南三环化工有限公司 | 一种改善二水物湿法磷酸生产的方法 |
| CN1312030C (zh) * | 2005-06-09 | 2007-04-25 | 北京泓远迪绿色技术有限公司 | 结晶法净化湿法磷酸的方法 |
| CN1308228C (zh) * | 2005-10-31 | 2007-04-04 | 宜宾天原股份有限公司 | 一种湿法磷酸净化生产食品级磷酸的萃取溶剂及其萃取方法 |
| CN1299976C (zh) * | 2005-11-03 | 2007-02-14 | 华中师范大学 | 溶剂萃取净化中低品位磷矿生产的湿法磷酸的方法 |
| CN100475691C (zh) * | 2006-12-13 | 2009-04-08 | 云南省化工研究院 | 一种以湿法磷酸为原料制备工业级磷酸盐的方法 |
| DE102008023649A1 (de) | 2008-05-15 | 2009-11-19 | Csv-Chemie Service Und Vertriebs Gmbh | Verfahren zur Extraktion von Phosphorsäure und Mischungen mit Phosphorsäure |
| CN101857216B (zh) * | 2010-06-29 | 2012-04-25 | 贵州川恒化工有限责任公司 | 一种萃取净化湿法磷酸生产工业级磷酸的方法 |
| CN102502548A (zh) * | 2011-10-21 | 2012-06-20 | 湖北三宁化工股份有限公司 | 一种工业磷酸脱色方法 |
| CN103332665B (zh) * | 2013-07-09 | 2016-02-10 | 清华大学 | 一种从负载磷酸的有机溶剂中脱除杂质离子的方法 |
| DE102014105601A1 (de) | 2014-04-18 | 2015-10-22 | Pax Ag | Rahmen für ein Fenster oder eine Tür |
| CN104069646B (zh) * | 2014-06-11 | 2016-01-06 | 陈锂 | 一种净化湿法磷酸的萃取剂及用其萃取湿法磷酸的方法 |
| CN105417513B (zh) * | 2015-12-01 | 2017-12-26 | 云南澄江盘虎化工有限公司 | 工业磷酸降低锑含量的方法及装置 |
| DE102016212242B4 (de) | 2016-07-05 | 2019-02-07 | Technische Universität Bergakademie Freiberg | Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen |
| CN109368608B (zh) * | 2018-10-29 | 2021-01-26 | 贵州川恒化工股份有限公司 | 高含量磷酸一铵的生产方法 |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1050961A (fr) * | ||||
| US3118661A (en) | 1964-01-21 | R cobb | ||
| NL285346A (fr) * | 1962-11-09 | |||
| GB1142719A (en) * | 1968-10-24 | 1969-02-12 | Israel Mining Ind Inst For Res | Phosphoric acid recovery |
| GB1342344A (en) * | 1970-01-30 | 1974-01-03 | Goulding Ltd W H M | Purification of phosphoric acid |
| DE2065381A1 (de) * | 1970-06-16 | 1973-05-17 | Giulini Gmbh Geb | Verfahren zur entfernung der organischen verunreinigungen aus rohphosphorsaeure |
| DE2029564C3 (de) * | 1970-06-16 | 1978-06-22 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Verfahren zur Herstellung von reinen Alkaliphosphaten aus Rohphosphorsäure |
| DE2053885B2 (de) * | 1970-11-03 | 1973-01-04 | Chemische Fabrik Budenheim, Rudolf A. Oetker, 6501 Budenheim | Verfahren zur gemeinsamen Entfernung von Sulfationen und kationischen Verunreinigungen aus technischer Naßverfahrensphosphorsäure |
| DE2217141A1 (de) | 1972-04-10 | 1973-10-18 | Georg Keiderling | Schornstein- und luftschacht-doppelschraube |
| GB1436113A (en) | 1972-04-26 | 1976-05-19 | Albright & Wilson | Purification of phosphoric acid |
| LU66958A1 (fr) * | 1973-02-02 | 1974-09-25 | ||
| DE2321751C3 (de) | 1973-04-30 | 1981-11-19 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von Naßphosphorsäure |
| DE2334019C3 (de) | 1973-07-04 | 1982-11-04 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von verunreinigter wäßriger Phosphorsäure |
| IL42774A (en) * | 1973-07-18 | 1976-07-30 | Imi Inst For Res & Dev | Purification of phosphoric acid |
| ZA746708B (en) * | 1973-11-02 | 1975-11-26 | Uss Eng & Consult | Method of making high purity alkali metal phosphates from wet-process phosphoric acid |
| GB1493999A (en) * | 1974-07-06 | 1977-12-07 | Hoechst Ag | Purification of phosphoric acid |
| DE2447390C3 (de) * | 1974-10-04 | 1983-11-17 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Reinigung von Naßphosphorsäure |
| UST952002I4 (fr) * | 1975-08-29 | 1976-11-02 | ||
| DE2657189B2 (de) * | 1976-12-17 | 1980-02-07 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von NaBverfahrensphosphorsäure |
| JPS5437096A (en) * | 1977-08-29 | 1979-03-19 | Chisso Corp | Method of procucing pure phosphoric acid |
| JPS5924724B2 (ja) * | 1980-10-27 | 1984-06-12 | 三井東圧化学株式会社 | 精製リン酸の製造法 |
| JPS5933527B2 (ja) * | 1980-11-29 | 1984-08-16 | 東ソー株式会社 | リン酸の溶媒抽出法 |
| DE3246416A1 (de) | 1982-12-15 | 1984-06-20 | Hoechst Ag, 6230 Frankfurt | Verfahren zur reinigung von nassverfahrensphosphorsaeure |
| US4585636A (en) * | 1984-10-17 | 1986-04-29 | Negev Phosphates Ltd. | Process for the manufacture of purified phosphoric acid |
| US4643883A (en) * | 1986-01-22 | 1987-02-17 | International Minerals & Chemical Corp. | Method of decolorizing wet process phosphoric acid |
| US4877594A (en) * | 1988-12-13 | 1989-10-31 | J. R. Simplot Co. | Purification of phosphoric acid |
-
1997
- 1997-02-03 DE DE19703884A patent/DE19703884C2/de not_active Expired - Fee Related
-
1998
- 1998-02-02 CA CA002250914A patent/CA2250914A1/fr not_active Abandoned
- 1998-02-02 EP EP98908036A patent/EP0896567B1/fr not_active Expired - Lifetime
- 1998-02-02 BR BR9805907A patent/BR9805907A/pt not_active Application Discontinuation
- 1998-02-02 CN CNB988002221A patent/CN1296273C/zh not_active Expired - Fee Related
- 1998-02-02 IL IL12637998A patent/IL126379A/xx not_active IP Right Cessation
- 1998-02-02 AT AT98908036T patent/ATE226181T1/de not_active IP Right Cessation
- 1998-02-02 DE DE59805946T patent/DE59805946D1/de not_active Expired - Lifetime
- 1998-02-02 WO PCT/EP1998/000536 patent/WO1998033741A1/fr not_active Ceased
- 1998-02-02 ES ES98908036T patent/ES2185150T3/es not_active Expired - Lifetime
- 1998-02-02 AU AU66187/98A patent/AU6618798A/en not_active Abandoned
- 1998-02-02 US US09/155,448 patent/US6251351B1/en not_active Expired - Lifetime
- 1998-02-03 TN TNTNSN98021A patent/TNSN98021A1/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES2185150T3 (es) | 2003-04-16 |
| CA2250914A1 (fr) | 1998-08-06 |
| CN1296273C (zh) | 2007-01-24 |
| EP0896567A1 (fr) | 1999-02-17 |
| IL126379A (en) | 2001-08-26 |
| ATE226181T1 (de) | 2002-11-15 |
| CN1217705A (zh) | 1999-05-26 |
| EP0896567B1 (fr) | 2002-10-16 |
| BR9805907A (pt) | 1999-08-24 |
| DE19703884A1 (de) | 1998-08-06 |
| AU6618798A (en) | 1998-08-25 |
| IL126379A0 (en) | 1999-05-09 |
| DE59805946D1 (de) | 2002-11-21 |
| DE19703884C2 (de) | 1999-04-29 |
| WO1998033741A1 (fr) | 1998-08-06 |
| US6251351B1 (en) | 2001-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TNSN98021A1 (fr) | Procede pour la purification de l'acide phosphorique obtenu par voie humide. | |
| KR910009563A (ko) | 고순도 실리카의 제조방법 | |
| NZ217968A (en) | Recovery of sulphuric acid from acid hydrolysis of biomass | |
| TR21939A (tr) | Islak usullue fosforik asidin aritilmasina mahsus usul | |
| RU2001121683A (ru) | Способ получения 2-гидрокси-4-метилтиобутановой кислоты | |
| BR0012953A (pt) | Processo para a recupepação de ácidos organicos | |
| ATE295843T1 (de) | Kontinuierliches verfahren zur herstellung von l- ascorbinsäure | |
| IE37549B1 (en) | Purification of phosphoric acids | |
| EP0863135A3 (fr) | Procédé permettant de séparer le sulfate d'ammonium du bisulfate d'ammonium et procédé pour la préparation de l'acide hydroxy-2, méthylthio-4, butanoique à l'aide dudit procédé de séparation | |
| GB1365010A (en) | Purification of wet process h3po4 by solvent extraction | |
| MA18998A1 (fr) | Procede pour la purification d'acide phosphorique du procede humide | |
| EP0055921A3 (fr) | Procédé pour la récupération de sulfate d'ammonium | |
| NO20033717L (no) | Fremgangsmåte og anordning for fremstilling av kalsiumbromid ved v¶ske-v¶skeekstraksjon | |
| DE68907747D1 (de) | Verfahren zum entfernen von eisen, chrom und vanadium aus phosphorsaeure. | |
| US4190634A (en) | Purifying phosphoric acid by extraction with an aliphatic nitrile | |
| BR9910304A (pt) | Processo para a fabricação de uma sulfenimida | |
| AU2979792A (en) | Process for removing organic phosphorus compounds and other impurities from dilute sulfuric acid | |
| MA19039A1 (fr) | Procede de purification par extraction par solvant , de l'acide phosphorique obtenu par voie humide . | |
| TW252154B (en) | Solvent transfer process for dinitrogen pentoxide | |
| TH34823A (th) | การทำตัวทำละลายให้บริสุทธิ์ | |
| KR910011948A (ko) | 아릴렌설파이드 중합체의 제조방법 | |
| GB2293833B (en) | Solvent transfer process for dintrogen pentoxide | |
| KR910007864A (ko) | N-벤조일-l-아스파트산의 정제방법 | |
| CU21906A1 (es) | Separacion de hierro (iii) e indio (iii) con acido dietilhexilfosforico |