BR7400251D0 - Aperfeicoamento em processo de purificacao de acido fosforico - Google Patents

Aperfeicoamento em processo de purificacao de acido fosforico

Info

Publication number
BR7400251D0
BR7400251D0 BR251/74A BR25174A BR7400251D0 BR 7400251 D0 BR7400251 D0 BR 7400251D0 BR 251/74 A BR251/74 A BR 251/74A BR 25174 A BR25174 A BR 25174A BR 7400251 D0 BR7400251 D0 BR 7400251D0
Authority
BR
Brazil
Prior art keywords
improvement
phosphoric acid
purification process
purification
phosphoric
Prior art date
Application number
BR251/74A
Other languages
English (en)
Inventor
Toshimitsu Itaru
Nakajima Taketoshi
Fujii Sakumi
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 BR7400251D0 publication Critical patent/BR7400251D0/pt

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)
  • Extraction Or Liquid Replacement (AREA)
  • Secondary Cells (AREA)
BR251/74A 1973-01-19 1974-01-15 Aperfeicoamento em processo de purificacao de acido fosforico BR7400251D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48007901A JPS4995894A (pt) 1973-01-19 1973-01-19

Publications (1)

Publication Number Publication Date
BR7400251D0 true BR7400251D0 (pt) 1974-08-22

Family

ID=11678464

Family Applications (1)

Application Number Title Priority Date Filing Date
BR251/74A BR7400251D0 (pt) 1973-01-19 1974-01-15 Aperfeicoamento em processo de purificacao de acido fosforico

Country Status (8)

Country Link
US (1) US3919396A (pt)
JP (1) JPS4995894A (pt)
AU (1) AU474587B2 (pt)
BR (1) BR7400251D0 (pt)
DE (1) DE2401959C3 (pt)
FR (1) FR2327193A1 (pt)
GB (1) GB1456682A (pt)
IT (1) IT1003413B (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4203956A (en) * 1976-02-10 1980-05-20 Hoechst Aktiengesellschaft Process and apparatus for recovering alcoholic phosphoric acid solutions from acid phosphates
US4197280A (en) * 1978-10-02 1980-04-08 Stauffer Chemical Company Wet process phosphoric acid purification
US4311681A (en) * 1980-05-19 1982-01-19 Fmc Corporation Method of regenerating phosphoric acid extraction solvent
JP2008247733A (ja) * 2007-03-14 2008-10-16 Niro Process Technology Bv リン酸リッチストリームの精製
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
CN105603215B (zh) * 2015-12-30 2017-12-19 武汉工程大学 一种利用萃取剂和盐酸酸解技术从磷钾伴生矿高效浸取K，Ca，Mg，P的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497330A (en) * 1965-02-08 1970-02-24 Kaiser Aluminium Chem Corp Solvent extraction of iron from phosphoric acid
FR1531487A (fr) * 1967-05-11 1968-07-05 Pechiney Saint Gobain Procédé continu perfectionné de purification de l'acide phosphorique par les solvants
US3595613A (en) * 1968-07-01 1971-07-27 Allied Chem Production of phosphoric acid
US3684439A (en) * 1970-09-22 1972-08-15 Monsanto Co Handling of raffinates from wet phosphoric acid purification
US3723606A (en) * 1970-12-21 1973-03-27 Allied Chem Production of phosphoric acid

Also Published As

Publication number Publication date
IT1003413B (it) 1976-06-10
DE2401959A1 (de) 1974-07-25
FR2327193A1 (fr) 1977-05-06
AU474587B2 (en) 1976-07-29
JPS4995894A (pt) 1974-09-11
US3919396A (en) 1975-11-11
AU6464274A (en) 1975-07-24
DE2401959C3 (de) 1978-04-13
FR2327193B1 (pt) 1978-03-24
GB1456682A (en) 1976-11-24
DE2401959B2 (de) 1977-08-18

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