IL126379A - Wet-process technique for refining phosphoric acid - Google Patents

Wet-process technique for refining phosphoric acid

Info

Publication number: IL126379A
Authority: IL; Israel
Prior art keywords: solvent; water; phosphoric acid; solvent mixture; acid
Prior art date: 1997-02-03

Application number

IL12637998A

Other languages

English (en)

Other versions

IL126379A0 (en

Original Assignee

Bk Giulini Chem Gmbh & Co Ohg

Priority date (The priority date 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 date listed.)

1997-02-03

Filing date

1998-02-02

Publication date

2001-08-26

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7819090&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IL126379(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1998-02-02 Application filed by Bk Giulini Chem Gmbh & Co Ohg filed Critical Bk Giulini Chem Gmbh & Co Ohg

1999-05-09 Publication of IL126379A0 publication Critical patent/IL126379A0/xx

2001-08-26 Publication of IL126379A publication Critical patent/IL126379A/xx

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)
Silicon Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Fuel Cell (AREA)

IL12637998A 1997-02-03 1998-02-02 Wet-process technique for refining phosphoric acid IL126379A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19703884A DE19703884C2 (de)	1997-02-03	1997-02-03	Verfahren zur Reinigung von Naßverfahrensphosphorsäure
PCT/EP1998/000536 WO1998033741A1 (de)	1997-02-03	1998-02-02	Verfahren zur reinigung von nassverfahrensphosphorsäure

Publications (2)

Publication Number	Publication Date
IL126379A0 IL126379A0 (en)	1999-05-09
IL126379A true IL126379A (en)	2001-08-26

Family

ID=7819090

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL12637998A IL126379A (en)	1997-02-03	1998-02-02	Wet-process technique for refining phosphoric acid

Country Status (12)

Country	Link
US (1)	US6251351B1 (xx)
EP (1)	EP0896567B1 (xx)
CN (1)	CN1296273C (xx)
AT (1)	ATE226181T1 (xx)
AU (1)	AU6618798A (xx)
BR (1)	BR9805907A (xx)
CA (1)	CA2250914A1 (xx)
DE (2)	DE19703884C2 (xx)
ES (1)	ES2185150T3 (xx)
IL (1)	IL126379A (xx)
TN (1)	TNSN98021A1 (xx)
WO (1)	WO1998033741A1 (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1050961A (xx) *
US3118661A (en)		1964-01-21		R cobb
NL285346A (xx) *	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 (xx) *	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 (xx) *	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/en not_active Abandoned
- 1998-02-02 EP EP98908036A patent/EP0896567B1/de 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/de 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 (en)	1998-08-06
CN1296273C (zh)	2007-01-24
EP0896567A1 (de)	1999-02-17
ATE226181T1 (de)	2002-11-15
CN1217705A (zh)	1999-05-26
EP0896567B1 (de)	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
TNSN98021A1 (fr)	2005-03-15
DE19703884C2 (de)	1999-04-29
WO1998033741A1 (de)	1998-08-06
US6251351B1 (en)	2001-06-26

Publication	Publication Date	Title
IL126379A (en)	2001-08-26	Wet-process technique for refining phosphoric acid
NZ217968A (en)	1989-01-27	Recovery of sulphuric acid from acid hydrolysis of biomass
EP0136905A3 (en)	1986-09-17	Method of purification of phosphoric acid
CA2301177A1 (en)	1999-02-25	Succinic acid production and purification
CA2236362A1 (en)	1998-10-30	Method of solvent extraction of nickel sulfate
ZA839284B (en)	1984-08-29	Process for purifying wet-processed phosphoric acid
ATE179413T1 (de)	1999-05-15	Verfahren und anlage zur herstellung von harnstoff mit hohem umsatz und niedrigem energieverbrauch
ES8203628A1 (es)	1982-04-01	Procedimiento para regenerar el disolvente de extraccion de acido fosforico
SU888812A3 (ru)	1981-12-07	Способ очистки экстракционной фосфорной кислоты
EP0863135A3 (en)	1998-12-09	Method for separating ammonium sulfate and ammonium bisulfate from each other and process for producing 2-hydroxy-4-methylthiobutanoic acid utilizing the method
GB1455659A (en)	1976-11-17	Method for purifying crude phosphoric acid
GB1456682A (en)	1976-11-24	Phosphoric acid purification
GB1365010A (en)	1974-08-29	Purification of wet process h3po4 by solvent extraction
GB1379351A (en)	1975-01-02	Phosphoric acid purification
EP0055921A3 (en)	1982-08-04	Ammonium sulfate recovery process
GB1162062A (en)	1969-08-20	Phosphoric Acid Purification
US4208389A (en)	1980-06-17	Purification of phosphoric acid
JPS5684307A (en)	1981-07-09	Wet phosphoric acid refining method
US3387930A (en)	1968-06-11	Process for the production of phosphoric acid
KR850008334A (ko)	1985-12-16	α-클로로 아세토 아세트산 모노 메틸 아미드의 제조방법
US4190634A (en)	1980-02-26	Purifying phosphoric acid by extraction with an aliphatic nitrile
JPS5590423A (en)	1980-07-09	Recovery method for iron from etching waste liquor
Gong et al.	1994	The study on counter current cascade extraction process of separation of molybdenum from tungsten with N sub 263
JO860B1 (en)	1978-09-30	A process for phosphoric acid purification
JPS5473739A (en)	1979-06-13	Recovery of o-alkoxy phenol

Legal Events

Date	Code	Title
2002-02-10	KB	Patent renewed
2004-03-28	KB	Patent renewed
2008-03-23	KB	Patent renewed
2012-03-29	KB	Patent renewed
2016-03-31	KB	Patent renewed
2018-09-20	EXP	Patent expired