IT8124703A0 - Metodo di estrazione con solvente di acido fosforico. - Google Patents

Metodo di estrazione con solvente di acido fosforico.

Info

Publication number
IT8124703A0
IT8124703A0 IT8124703A IT2470381A IT8124703A0 IT 8124703 A0 IT8124703 A0 IT 8124703A0 IT 8124703 A IT8124703 A IT 8124703A IT 2470381 A IT2470381 A IT 2470381A IT 8124703 A0 IT8124703 A0 IT 8124703A0
Authority
IT
Italy
Prior art keywords
phosphoric acid
extraction method
acid solvent
solvent
extraction
Prior art date
Application number
IT8124703A
Other languages
English (en)
Other versions
IT1139552B (it
Inventor
Yoichi Hiraga
Osamu Watanabe
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 IT8124703A0 publication Critical patent/IT8124703A0/it
Application granted granted Critical
Publication of IT1139552B publication Critical patent/IT1139552B/it

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
    • C01B25/46—Preparation involving solvent-solvent extraction
    • C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • C01B25/462—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being alcohol or a mixture of alcohols
    • 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
    • C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Manufacture And Refinement Of Metals (AREA)
IT24703/81A 1980-11-29 1981-10-27 Metodo di estrazione con solvente di acido fosforico IT1139552B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55168681A JPS5933527B2 (ja) 1980-11-29 1980-11-29 リン酸の溶媒抽出法

Publications (2)

Publication Number Publication Date
IT8124703A0 true IT8124703A0 (it) 1981-10-27
IT1139552B IT1139552B (it) 1986-09-24

Family

ID=15872497

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24703/81A IT1139552B (it) 1980-11-29 1981-10-27 Metodo di estrazione con solvente di acido fosforico

Country Status (8)

Country Link
US (1) US4377562A (it)
JP (1) JPS5933527B2 (it)
BE (1) BE890910A (it)
DE (1) DE3143154A1 (it)
FR (1) FR2495126A1 (it)
GB (1) GB2088347B (it)
IT (1) IT1139552B (it)
ZA (1) ZA816800B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4543239A (en) * 1984-08-21 1985-09-24 International Minerals & Chemical Corp. Phosphoric acid extraction process
US4780295A (en) * 1987-07-06 1988-10-25 Fmc Corporation Process for purifying phosphoric acid
JPS6441714U (it) * 1987-09-09 1989-03-13
DE19703884C2 (de) * 1997-02-03 1999-04-29 Bk Giulini Chem Gmbh & Co Ohg Verfahren zur Reinigung von Naßverfahrensphosphorsäure
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
CN102689883B (zh) * 2012-06-19 2014-02-26 瓮福（集团）有限责任公司 含磷滤渣资源化生产磷酸二铵的方法
CN117720079B (zh) * 2023-12-11 2024-05-17 安徽金轩科技有限公司 一种磷酸的高效率除杂方法及除杂系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI43731B (it) * 1965-02-04 1971-03-01 Typpi Oy
FR1531487A (fr) * 1967-05-11 1968-07-05 Pechiney Saint Gobain Procédé continu perfectionné de purification de l'acide phosphorique par les solvants
DE2029564C3 (de) * 1970-06-16 1978-06-22 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfahren zur Herstellung von reinen Alkaliphosphaten aus Rohphosphorsäure
US4127640A (en) * 1972-04-26 1978-11-28 Albright & Wilson Ltd. Purification of phosphoric acid by solvent extraction using hexanones
US3867511A (en) * 1972-12-20 1975-02-18 United States Steel Corp Solvent extraction of h{hd 3{b po{hd 4
LU66958A1 (it) * 1973-02-02 1974-09-25
IL42774A (en) * 1973-07-18 1976-07-30 Imi Inst For Res & Dev Purification of phosphoric acid
DE2657189B2 (de) * 1976-12-17 1980-02-07 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von NaBverfahrensphosphorsäure
US4197280A (en) * 1978-10-02 1980-04-08 Stauffer Chemical Company Wet process phosphoric acid purification

Also Published As

Publication number Publication date
US4377562A (en) 1983-03-22
DE3143154C2 (it) 1992-01-23
BE890910A (fr) 1982-04-29
DE3143154A1 (de) 1982-07-01
GB2088347A (en) 1982-06-09
IT1139552B (it) 1986-09-24
ZA816800B (en) 1982-09-29
FR2495126B1 (it) 1985-04-12
GB2088347B (en) 1984-02-08
JPS5933527B2 (ja) 1984-08-16
FR2495126A1 (fr) 1982-06-04
JPS5792511A (en) 1982-06-09

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