FI65413C - Foerfarande foer rening av fosforsyra fraon vaotfoerfarandet - Google Patents

Foerfarande foer rening av fosforsyra fraon vaotfoerfarandet Download PDF

Info

Publication number
FI65413C
FI65413C FI803528A FI803528A FI65413C FI 65413 C FI65413 C FI 65413C FI 803528 A FI803528 A FI 803528A FI 803528 A FI803528 A FI 803528A FI 65413 C FI65413 C FI 65413C
Authority
FI
Finland
Prior art keywords
phosphoric acid
barium
acid
extraction
purification
Prior art date
Application number
FI803528A
Other languages
English (en)
Finnish (fi)
Other versions
FI803528L (fi
FI65413B (fi
Inventor
Reinhard Gradl
Klaus Schroedter
Klaus-Peter Ehlers
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 FI803528L publication Critical patent/FI803528L/fi
Application granted granted Critical
Publication of FI65413B publication Critical patent/FI65413B/fi
Publication of FI65413C publication Critical patent/FI65413C/fi

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Saccharide Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Silicon Compounds (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FI803528A 1979-11-14 1980-11-11 Foerfarande foer rening av fosforsyra fraon vaotfoerfarandet FI65413C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2945874 1979-11-14
DE19792945874 DE2945874A1 (de) 1979-11-14 1979-11-14 Verfahren zur reinigung von nassverfahrenphosphorsaeure

Publications (3)

Publication Number Publication Date
FI803528L FI803528L (fi) 1981-05-15
FI65413B FI65413B (fi) 1984-01-31
FI65413C true FI65413C (fi) 1984-05-10

Family

ID=6085899

Family Applications (1)

Application Number Title Priority Date Filing Date
FI803528A FI65413C (fi) 1979-11-14 1980-11-11 Foerfarande foer rening av fosforsyra fraon vaotfoerfarandet

Country Status (15)

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

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 (tr) * 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 (tr) * 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
JPH0135765B2 (tr) 1989-07-27
DD154291A5 (de) 1982-03-10
IL61430A0 (en) 1980-12-31
FI803528L (fi) 1981-05-15
ZA807016B (en) 1981-11-25
IL61430A (en) 1984-03-30
DE2945874A1 (de) 1981-05-27
CA1144339A (en) 1983-04-12
ES495506A0 (es) 1981-06-16
US4321245A (en) 1982-03-23
ES8105678A1 (es) 1981-06-16
EP0029132B1 (de) 1983-02-23
EG15048A (en) 1986-06-30
SU1088658A3 (ru) 1984-04-23
DE3062138D1 (en) 1983-03-31
MA18998A1 (fr) 1981-07-01
BR8007397A (pt) 1981-05-26
EP0029132A1 (de) 1981-05-27
JPS5684307A (en) 1981-07-09
ATE2612T1 (de) 1983-03-15
FI65413B (fi) 1984-01-31

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Owner name: HOECHST AKTIENGESELLSCHAFT