MA18998A1 - Procede pour la purification d'acide phosphorique du procede humide - Google Patents

Procede pour la purification d'acide phosphorique du procede humide

Info

Publication number
MA18998A1
MA18998A1 MA19200A MA19200A MA18998A1 MA 18998 A1 MA18998 A1 MA 18998A1 MA 19200 A MA19200 A MA 19200A MA 19200 A MA19200 A MA 19200A MA 18998 A1 MA18998 A1 MA 18998A1
Authority
MA
Morocco
Prior art keywords
phosphoric acid
purification
wet
extraction installation
barium
Prior art date
Application number
MA19200A
Other languages
English (en)
French (fr)
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of MA18998A1 publication Critical patent/MA18998A1/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/46Preparation involving solvent-solvent extraction
    • C01B25/461Preparation 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
    • C01B25/462Preparation 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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/46Preparation involving solvent-solvent extraction
    • C01B25/461Preparation 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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Removal Of Specific Substances (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Silicon Compounds (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Saccharide Compounds (AREA)
  • Carbon And Carbon Compounds (AREA)
MA19200A 1979-11-14 1980-11-13 Procede pour la purification d'acide phosphorique du procede humide MA18998A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792945874 DE2945874A1 (de) 1979-11-14 1979-11-14 Verfahren zur reinigung von nassverfahrenphosphorsaeure

Publications (1)

Publication Number Publication Date
MA18998A1 true MA18998A1 (fr) 1981-07-01

Family

ID=6085899

Family Applications (1)

Application Number Title Priority Date Filing Date
MA19200A MA18998A1 (fr) 1979-11-14 1980-11-13 Procede pour la purification d'acide phosphorique du procede humide

Country Status (15)

Country Link
US (1) US4321245A (en, 2012)
EP (1) EP0029132B1 (en, 2012)
JP (1) JPS5684307A (en, 2012)
AT (1) ATE2612T1 (en, 2012)
BR (1) BR8007397A (en, 2012)
CA (1) CA1144339A (en, 2012)
DD (1) DD154291A5 (en, 2012)
DE (2) DE2945874A1 (en, 2012)
EG (1) EG15048A (en, 2012)
ES (1) ES8105678A1 (en, 2012)
FI (1) FI65413C (en, 2012)
IL (1) IL61430A (en, 2012)
MA (1) MA18998A1 (en, 2012)
SU (1) SU1088658A3 (en, 2012)
ZA (1) ZA807016B (en, 2012)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08323517A (ja) * 1995-05-26 1996-12-10 Tetsuo Tagami 切削工具用チャック装置
CN101575094B (zh) * 2009-03-16 2011-08-24 瓮福(集团)有限责任公司 一种磷酸净化方法
EP4015452A1 (en) 2020-12-21 2022-06-22 Técnicas Reunidas, S.A. Process for producing technical grade phosphoric acid from sewage sludge ash
US20250109020A1 (en) 2021-12-27 2025-04-03 Prayon Method for purification of at least one aqueous solution of phosphoric acid
CN116216672A (zh) * 2022-12-16 2023-06-06 贵州芭田生态工程有限公司 一种制备磷酸过程中脱除硫酸根的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338674A (en) * 1963-05-09 1967-08-29 Avraham M Baniel Process for preparation of substantially pure 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
US3554694A (en) * 1969-06-02 1971-01-12 Cities Service Co Process for producing fluosilicates
SE366972B (en, 2012) * 1970-06-12 1974-05-13 Azote & Prod Chim
DE2032263B2 (de) * 1970-06-30 1973-01-11 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur entfernung von sulfationen aus technischer phosphorsaeure
DE2321751C3 (de) * 1973-04-30 1981-11-19 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von Naßphosphorsäure
JPS5018388A (en, 2012) * 1973-06-21 1975-02-26
US4070443A (en) * 1976-02-13 1978-01-24 Toyo Soda Manufacturing Co., Ltd. Process for removing sulfate ions from extracted phosphoric acid with a barium compound
DE2657189B2 (de) * 1976-12-17 1980-02-07 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von NaBverfahrensphosphorsäure
FR2447348A1 (fr) * 1979-01-24 1980-08-22 Rhone Poulenc Ind Procede de purification d'un acide phosphorique impur

Also Published As

Publication number Publication date
EG15048A (en) 1986-06-30
FI803528L (fi) 1981-05-15
ATE2612T1 (de) 1983-03-15
FI65413B (fi) 1984-01-31
FI65413C (fi) 1984-05-10
JPH0135765B2 (en, 2012) 1989-07-27
ZA807016B (en) 1981-11-25
US4321245A (en) 1982-03-23
EP0029132A1 (de) 1981-05-27
SU1088658A3 (ru) 1984-04-23
IL61430A (en) 1984-03-30
ES495506A0 (es) 1981-06-16
DE3062138D1 (en) 1983-03-31
EP0029132B1 (de) 1983-02-23
JPS5684307A (en) 1981-07-09
BR8007397A (pt) 1981-05-26
ES8105678A1 (es) 1981-06-16
DD154291A5 (de) 1982-03-10
CA1144339A (en) 1983-04-12
DE2945874A1 (de) 1981-05-27
IL61430A0 (en) 1980-12-31

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