DE69932857D1 - Verfahren zur reinigung von phosphorsäure - Google Patents

Verfahren zur reinigung von phosphorsäure

Info

Publication number
DE69932857D1
DE69932857D1 DE69932857T DE69932857T DE69932857D1 DE 69932857 D1 DE69932857 D1 DE 69932857D1 DE 69932857 T DE69932857 T DE 69932857T DE 69932857 T DE69932857 T DE 69932857T DE 69932857 D1 DE69932857 D1 DE 69932857D1
Authority
DE
Germany
Prior art keywords
phosphoric acid
cleaning
cleaning phosphoric
acid
phosphoric
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 - Lifetime
Application number
DE69932857T
Other languages
English (en)
Other versions
DE69932857T2 (de
Inventor
Kiyoshi Hotta
Fuyuhiko Kubota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyobo Co Ltd
Original Assignee
Toyobo Co Ltd
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.)
Filing date
Publication date
Application filed by Toyobo Co Ltd filed Critical Toyobo Co Ltd
Application granted granted Critical
Publication of DE69932857D1 publication Critical patent/DE69932857D1/de
Publication of DE69932857T2 publication Critical patent/DE69932857T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C01B25/24—Condensed phosphoric acids
    • 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
    • C01B25/237—Selective elimination of impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Silicon Compounds (AREA)
DE69932857T 1998-12-28 1999-12-24 Verfahren zur reinigung von phosphorsäure Expired - Lifetime DE69932857T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP37369698 1998-12-28
JP37369698 1998-12-28
JP23062899 1999-08-17
JP23062899 1999-08-17
PCT/JP1999/007312 WO2000040507A1 (fr) 1998-12-28 1999-12-24 Procede de purification de l'acide phosphorique et acide polyphosphorique de grande purete

Publications (2)

Publication Number Publication Date
DE69932857D1 true DE69932857D1 (de) 2006-09-28
DE69932857T2 DE69932857T2 (de) 2007-03-01

Family

ID=26529447

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69932857T Expired - Lifetime DE69932857T2 (de) 1998-12-28 1999-12-24 Verfahren zur reinigung von phosphorsäure

Country Status (6)

Country Link
US (1) US6861039B1 (de)
EP (1) EP1172331B1 (de)
JP (2) JP4362976B2 (de)
CN (1) CN1321058C (de)
DE (1) DE69932857T2 (de)
WO (1) WO2000040507A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4093736B2 (ja) 2001-06-28 2008-06-04 株式会社日立メディコ 核磁気共鳴診断装置および診断システム
JP4316946B2 (ja) 2003-07-01 2009-08-19 日本化学工業株式会社 高純度リン酸及びその製造方法
JP2009114064A (ja) * 2009-03-05 2009-05-28 Nippon Chem Ind Co Ltd 高純度リン酸及びその製造方法
CN102515125B (zh) * 2011-12-31 2014-07-30 云南省化工研究院 一种高浓度聚磷酸的脱砷过滤方法
CN102849698B (zh) * 2012-09-28 2014-07-16 凯恩德利(北京)科贸有限公司 高效磷酸除砷方法及装置
CN103011109B (zh) * 2012-12-27 2014-12-17 广西明利化工有限公司 一种食品级磷酸脱除硫化氢的装置
CN104588381A (zh) * 2014-12-30 2015-05-06 铜陵鑫克精细化工有限责任公司 溶剂萃取法净化湿法磷酸的萃取装置的清洗方法
LU100464B1 (en) * 2017-09-29 2019-03-29 Cppe Carbon Process & Plant Eng S A Process for the removal of heavy metals from liquids
BE1026150B1 (fr) * 2018-03-30 2019-10-29 Prayon Sa Procede de production d'acide polyphosphorique et dispositif pour un tel procede
CN115432679B (zh) * 2022-09-27 2023-10-17 宜昌邦普宜化新材料有限公司 一种湿法磷酸萃余酸制备多聚磷酸的方法及其应用

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2287683A (en) * 1940-02-23 1942-06-23 Monsanto Chemicals Furification of phosphoric acid
US3297401A (en) * 1960-11-10 1967-01-10 Toyo Soda Mfg Co Ltd Process for refining phosphoric acid preparations
US3723606A (en) * 1970-12-21 1973-03-27 Allied Chem Production of phosphoric acid
JPS5239395B2 (de) * 1972-10-03 1977-10-05
DE2352827C3 (de) * 1973-10-20 1982-01-28 Hoechst Ag, 6000 Frankfurt Verfarhen zur Entarsenierung von Polyphosphorsäure
DE2515861A1 (de) * 1975-04-11 1976-10-28 Norddeutsche Affinerie Verfahren zur adsorptiven entfernung von arsen, antimon und/oder wismut
CA1066020A (en) * 1975-05-15 1979-11-13 John D. Jernigan Process for obtaining pure orthophosphoric acid from superphosphoric acid
US4082836A (en) * 1975-07-02 1978-04-04 Occidental Petroleum Corporation Process for the purification of phosphoric acid by extraction
JPS5297394A (en) 1976-02-13 1977-08-16 Toyo Soda Mfg Co Ltd Removal of organic matter in phosphoric acid
US4053564A (en) * 1976-05-20 1977-10-11 Occidental Petroleum Company Extraction process for purification of phosphoric acid
GB1601474A (en) * 1977-04-12 1981-10-28 Albright & Wilson Purification of wet process phosphoric acid
US4215098A (en) * 1978-04-26 1980-07-29 Albright & Wilson Limited Purification of wet process phosphoric acid
US4296082A (en) * 1978-04-26 1981-10-20 Albright & Wilson Limited Purification of wet process phosphoric acid
US4309394A (en) * 1980-04-09 1982-01-05 Monsanto Company Method of preparing ultraphosphoric acid
DE3132428A1 (de) * 1981-08-17 1983-02-24 Hoechst Ag, 6000 Frankfurt Verfahren zur entarsenierung von polyphosphorsaeure
DE3327394A1 (de) 1982-05-18 1985-02-14 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zum entfernen von cadmium aus sauren, insbesondere p(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)5(pfeil abwaerts)-haltigen loesungen
DE3218599A1 (de) 1982-05-18 1983-12-01 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zum entfernen von cadmium aus sauren, insbesondere p(pfeil abwaerts)2(pfeil abwaerts)0(pfeil abwaerts)5(pfeil abwaerts)-haltigen loesungen
IL69100A (en) * 1982-07-21 1986-11-30 Hoechst Ag Process for removing heavy metal ions and arsenic from wet-processed phosphoric acid
US4436628A (en) * 1982-08-16 1984-03-13 Calgon Corporation Polyphosphoric acid as a scale and corrosion inhibitor
JPS60166208A (ja) 1984-02-03 1985-08-29 Toyo Soda Mfg Co Ltd 縮合リン酸の製造法
DE3442142A1 (de) * 1984-11-17 1986-05-22 Hoechst Ag, 6230 Frankfurt Verfahren zur entfernung von verunreinigungen aus phosphorsaeure
GB8518601D0 (en) * 1985-07-23 1985-08-29 Tenneco Canada Inc Removal of arsenic from acids
US4639359A (en) * 1985-12-16 1987-01-27 International Minerals & Chemical Corp. Process of removing cationic impurities from wet process phosphoric acid
DE3604483A1 (de) * 1986-02-13 1987-08-20 Hoechst Ag Verfahren zum entfernen von schwermetallen aus mineralsaeuren
DE3604920A1 (de) * 1986-02-17 1987-08-20 Hoechst Ag Verfahren zur herstellung von rohphosphorsaeure
US4824650A (en) * 1988-08-23 1989-04-25 Segrist Lloyd E Method for extracting arsenic and heavy metals from phosphoric acid
JP3131433B2 (ja) * 1989-12-21 2001-01-31 日本化学工業株式会社 高純度リン酸の製造方法
IT1251686B (it) 1991-10-11 1995-05-19 Agrimont Spa Processo per l'allontanamento del cadmio da soluzioni di acido fosforico.
JPH0648712A (ja) 1992-07-31 1994-02-22 Mitsui Toatsu Chem Inc 燐酸液の精製法
JPH06100307A (ja) 1992-09-22 1994-04-12 Mitsui Toatsu Chem Inc 燐酸液の精製法

Also Published As

Publication number Publication date
JP5332953B2 (ja) 2013-11-06
JP4362976B2 (ja) 2009-11-11
EP1172331A4 (de) 2002-07-10
CN1332698A (zh) 2002-01-23
DE69932857T2 (de) 2007-03-01
US6861039B1 (en) 2005-03-01
JP2009209041A (ja) 2009-09-17
EP1172331A1 (de) 2002-01-16
WO2000040507A1 (fr) 2000-07-13
EP1172331B1 (de) 2006-08-16
CN1321058C (zh) 2007-06-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition