MA18586A1 - Purification par voie humide de l'acide phosphorique - Google Patents

Purification par voie humide de l'acide phosphorique

Info

Publication number
MA18586A1
MA18586A1 MA18786A MA18786A MA18586A1 MA 18586 A1 MA18586 A1 MA 18586A1 MA 18786 A MA18786 A MA 18786A MA 18786 A MA18786 A MA 18786A MA 18586 A1 MA18586 A1 MA 18586A1
Authority
MA
Morocco
Prior art keywords
phosphoric acid
wet purification
purification
wet
phosphoric
Prior art date
Application number
MA18786A
Other languages
English (en)
Inventor
Singh Jassal Avtar
Original Assignee
Stauffer Chemical Co
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 Stauffer Chemical Co filed Critical Stauffer Chemical Co
Publication of MA18586A1 publication Critical patent/MA18586A1/fr

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
MA18786A 1978-10-02 1979-09-11 Purification par voie humide de l'acide phosphorique MA18586A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/948,113 US4197280A (en) 1978-10-02 1978-10-02 Wet process phosphoric acid purification

Publications (1)

Publication Number Publication Date
MA18586A1 true MA18586A1 (fr) 1980-04-01

Family

ID=25487288

Family Applications (1)

Application Number Title Priority Date Filing Date
MA18786A MA18586A1 (fr) 1978-10-02 1979-09-11 Purification par voie humide de l'acide phosphorique

Country Status (6)

Country Link
US (1) US4197280A (fr)
EP (1) EP0009849B1 (fr)
JP (1) JPS5551708A (fr)
CA (1) CA1128286A (fr)
DE (1) DE2964996D1 (fr)
MA (1) MA18586A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5933527B2 (ja) * 1980-11-29 1984-08-16 東ソー株式会社 リン酸の溶媒抽出法
JPS59121018A (ja) * 1982-12-27 1984-07-12 Asahi Optical Co Ltd 拡大撮影用写真レンズ
CN103130353B (zh) * 2011-11-25 2014-01-15 中国石油天然气股份有限公司 一种高钙有机废水的处理方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE884358C (de) * 1951-09-20 1953-07-27 Gerardo Collardin Verfahren zur Reinigung von technischer Phosphorsaeure
FI43731B (fr) 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
US3595613A (en) * 1968-07-01 1971-07-27 Allied Chem Production of phosphoric acid
GB1142719A (en) * 1968-10-24 1969-02-12 Israel Mining Ind Inst For Res Phosphoric acid recovery
DE2029564C3 (de) * 1970-06-16 1978-06-22 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfahren zur Herstellung von reinen Alkaliphosphaten aus Rohphosphorsäure
US3684439A (en) * 1970-09-22 1972-08-15 Monsanto Co Handling of raffinates from wet phosphoric acid purification
JPS5333960B2 (fr) * 1972-06-10 1978-09-18
JPS4995894A (fr) * 1973-01-19 1974-09-11
FR2259787B1 (fr) * 1974-02-01 1977-09-16 Rhone Poulenc Ind
FR2281892A1 (fr) * 1974-08-13 1976-03-12 Rhone Poulenc Ind Procede de defluoration d'acide phosphorique
JPS5191894A (ja) * 1975-02-06 1976-08-12 Jukyobaioshoshiterinsannarabini guriserintookaishukanonishita haiekishorihoho
GB1543968A (en) * 1975-05-13 1979-04-11 Gauting Gmbh Apparatebau Device for exerting a restoring force
DE2605106C2 (de) * 1976-02-10 1984-06-14 Hoechst Ag, 6230 Frankfurt Verfahren und Vorrichtung zur Herstellung von alkoholischen Phosphorsäurelösungen aus sauren Phosphaten
DE2657190C2 (de) * 1976-12-17 1982-11-04 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von Naßverfahrensphosphorsäure

Also Published As

Publication number Publication date
US4197280A (en) 1980-04-08
EP0009849A1 (fr) 1980-04-16
EP0009849B1 (fr) 1983-03-09
JPS5551708A (en) 1980-04-15
DE2964996D1 (en) 1983-04-14
CA1128286A (fr) 1982-07-27

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