BE860176A - Procede de preparation d'un acide phosphorique de purete elevee - Google Patents

Procede de preparation d'un acide phosphorique de purete elevee

Info

Publication number
BE860176A
BE860176A BE182115A BE182115A BE860176A BE 860176 A BE860176 A BE 860176A BE 182115 A BE182115 A BE 182115A BE 182115 A BE182115 A BE 182115A BE 860176 A BE860176 A BE 860176A
Authority
BE
Belgium
Prior art keywords
preparing
phosphoric acid
high purity
purity
phosphoric
Prior art date
Application number
BE182115A
Other languages
English (en)
French (fr)
Original Assignee
Toyo Soda Mfg 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 Toyo Soda Mfg Co Ltd filed Critical Toyo Soda Mfg Co Ltd
Publication of BE860176A publication Critical patent/BE860176A/xx

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
    • C01B25/234—Purification; Stabilisation; Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
BE182115A 1976-10-29 1977-10-27 Procede de preparation d'un acide phosphorique de purete elevee BE860176A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12932976A JPS5355495A (en) 1976-10-29 1976-10-29 Purifying method for wet process phosphoric acid

Publications (1)

Publication Number Publication Date
BE860176A true BE860176A (fr) 1978-04-27

Family

ID=15006895

Family Applications (1)

Application Number Title Priority Date Filing Date
BE182115A BE860176A (fr) 1976-10-29 1977-10-27 Procede de preparation d'un acide phosphorique de purete elevee

Country Status (7)

Country Link
US (1) US4154805A (it)
JP (1) JPS5355495A (it)
BE (1) BE860176A (it)
DE (1) DE2748279C3 (it)
FR (1) FR2369211A1 (it)
GB (1) GB1545443A (it)
IT (1) IT1087977B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8601101A (nl) * 1986-04-29 1987-11-16 Unie Van Kunstmestfab Bv Werkwijze voor het verwijderen van cadmium uit zure, fosfaathoudende waterige media.
US5006319A (en) * 1988-03-04 1991-04-09 Fmc Corporation Process for removing iron, chromium and vanadium from phosphoric acid
FR2631746A1 (fr) * 1988-05-17 1989-11-24 Muller Yves Rondelle de raccordement electrique pour cosses en aluminium ou autre metal
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
CN104069647B (zh) * 2014-06-11 2016-09-28 陈锂 一种高选择性离子对型萃取剂及用其萃取湿法磷酸的方法
CN104787738A (zh) * 2015-04-29 2015-07-22 瓮福（集团）有限责任公司 一种湿法磷酸生产中稀酸的净化方法
DE102016212242B4 (de) 2016-07-05 2019-02-07 Technische Universität Bergakademie Freiberg Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3342549A (en) * 1960-11-10 1967-09-19 Togo Soda Mfg Co Ltd Process for refining phosphoric acid preparations
US3488184A (en) * 1968-02-19 1970-01-06 Nalco Chemical Co Separation and recovery of cobalt from waste streams containing cobalt and zinc
JPS5333960B2 (it) * 1972-06-10 1978-09-18

Also Published As

Publication number Publication date
IT1087977B (it) 1985-06-04
JPS5355495A (en) 1978-05-19
DE2748279B2 (de) 1979-12-20
GB1545443A (en) 1979-05-10
US4154805A (en) 1979-05-15
JPS5516098B2 (it) 1980-04-28
FR2369211A1 (fr) 1978-05-26
DE2748279C3 (de) 1980-08-21
DE2748279A1 (de) 1978-05-11
FR2369211B1 (it) 1980-08-08

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: TOYO SODA MFG CO. LTD

Effective date: 19921031