ZA807016B - Process for the purification of wet-processed phosphoric acid - Google Patents

Process for the purification of wet-processed phosphoric acid

Info

Publication number
ZA807016B
ZA807016B ZA00807016A ZA807016A ZA807016B ZA 807016 B ZA807016 B ZA 807016B ZA 00807016 A ZA00807016 A ZA 00807016A ZA 807016 A ZA807016 A ZA 807016A ZA 807016 B ZA807016 B ZA 807016B
Authority
ZA
South Africa
Prior art keywords
phosphoric acid
purification
wet
processed
processed phosphoric
Prior art date
Application number
ZA00807016A
Other languages
English (en)
Inventor
K Schroedter
K Ehlers
R Gradl
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 ZA807016B publication Critical patent/ZA807016B/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
    • C01B25/46—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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Removal Of Specific Substances (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Saccharide Compounds (AREA)
  • Silicon Compounds (AREA)
ZA00807016A 1979-11-14 1980-11-13 Process for the purification of wet-processed phosphoric acid ZA807016B (en)

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
ZA807016B true ZA807016B (en) 1981-11-25

Family

ID=6085899

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00807016A ZA807016B (en) 1979-11-14 1980-11-13 Process for the purification of wet-processed phosphoric acid

Country Status (15)

Country Link
US (1) US4321245A (ja)
EP (1) EP0029132B1 (ja)
JP (1) JPS5684307A (ja)
AT (1) ATE2612T1 (ja)
BR (1) BR8007397A (ja)
CA (1) CA1144339A (ja)
DD (1) DD154291A5 (ja)
DE (2) DE2945874A1 (ja)
EG (1) EG15048A (ja)
ES (1) ES495506A0 (ja)
FI (1) FI65413C (ja)
IL (1) IL61430A (ja)
MA (1) MA18998A1 (ja)
SU (1) SU1088658A3 (ja)
ZA (1) ZA807016B (ja)

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
BE1029993B1 (fr) 2021-12-27 2023-09-25 Prayon Méthode de purification d’au moins une solution aqueuse d’acide phosphorique
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 (ja) * 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 (ja) * 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
BR8007397A (pt) 1981-05-26
EP0029132B1 (de) 1983-02-23
FI65413C (fi) 1984-05-10
JPH0135765B2 (ja) 1989-07-27
ES8105678A1 (es) 1981-06-16
DE2945874A1 (de) 1981-05-27
US4321245A (en) 1982-03-23
ES495506A0 (es) 1981-06-16
EP0029132A1 (de) 1981-05-27
FI65413B (fi) 1984-01-31
IL61430A (en) 1984-03-30
SU1088658A3 (ru) 1984-04-23
DD154291A5 (de) 1982-03-10
MA18998A1 (fr) 1981-07-01
EG15048A (en) 1986-06-30
DE3062138D1 (en) 1983-03-31
CA1144339A (en) 1983-04-12
IL61430A0 (en) 1980-12-31
JPS5684307A (en) 1981-07-09
ATE2612T1 (de) 1983-03-15
FI803528L (fi) 1981-05-15

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