PH20955A - Process for purifying wet-processed phosphoric acid - Google Patents

Process for purifying wet-processed phosphoric acid

Info

Publication number
PH20955A
PH20955A PH29974A PH29974A PH20955A PH 20955 A PH20955 A PH 20955A PH 29974 A PH29974 A PH 29974A PH 29974 A PH29974 A PH 29974A PH 20955 A PH20955 A PH 20955A
Authority
PH
Philippines
Prior art keywords
phosphoric acid
solution
organic
raffinate
processed
Prior art date
Application number
PH29974A
Other languages
English (en)
Inventor
Gradl Reinhard
Heymer Gero
Schimmel Gunther
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 PH20955A publication Critical patent/PH20955A/en

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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Removal Of Specific Substances (AREA)
  • Fuel Cell (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Extraction Or Liquid Replacement (AREA)
PH29974A 1982-12-15 1983-12-14 Process for purifying wet-processed phosphoric acid PH20955A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823246415 DE3246415A1 (de) 1982-12-15 1982-12-15 Verfahren zur reinigung von nassverfahrenphosphorsaeure

Publications (1)

Publication Number Publication Date
PH20955A true PH20955A (en) 1987-06-10

Family

ID=6180733

Family Applications (1)

Application Number Title Priority Date Filing Date
PH29974A PH20955A (en) 1982-12-15 1983-12-14 Process for purifying wet-processed phosphoric acid

Country Status (13)

Country Link
US (1) US4596703A (fr)
EP (1) EP0111801B1 (fr)
JP (1) JPS59116111A (fr)
AT (1) ATE33014T1 (fr)
BR (1) BR8306875A (fr)
CA (1) CA1208880A (fr)
DE (2) DE3246415A1 (fr)
ES (1) ES8406376A1 (fr)
MA (1) MA19975A1 (fr)
MX (1) MX159243A (fr)
PH (1) PH20955A (fr)
TR (1) TR21939A (fr)
ZA (1) ZA839284B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3522822A1 (de) * 1985-06-26 1987-01-02 Hoechst Ag Verfahren zur aufarbeitung von schwermetallhaltigen rueckstaenden aus der reinigung von rohphosphorsaeuren
US4751066A (en) * 1986-05-08 1988-06-14 Fmc Corporation Process for preparing alkali metal phosphate
DE3622597A1 (de) * 1986-07-04 1988-01-07 Budenheim Rud A Oetker Chemie Verfahren zur faellung und abtrennung von cadmiumsulfid aus den raffinaten der phosphorsaeurereinigung
US4780295A (en) * 1987-07-06 1988-10-25 Fmc Corporation Process for purifying phosphoric acid
SE536607C2 (sv) * 2012-06-21 2014-03-25 Easymining Sweden Ab Framställning av ammoniumfosfater
CN114408887A (zh) * 2022-01-28 2022-04-29 江苏电科环保有限公司 一种制备电子级磷酸的方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1929442A (en) * 1930-08-26 1933-10-10 American Agricultural Chem Co Process for obtaining orthophosphoric acid and/or conversion products thereof
US3318661A (en) * 1962-12-31 1967-05-09 Tennessee Corp Process for purifying phosphoric acid
US3684438A (en) * 1970-11-05 1972-08-15 Fmc Corp Purification of phosphoric acid
GB1436113A (en) * 1972-04-26 1976-05-19 Albright & Wilson Purification of phosphoric acid
GB1436114A (en) * 1972-04-26 1976-05-19 Albright & Wilson Purification of phosphoric acid crystallization process
GB1436115A (en) * 1972-10-02 1976-05-19 Albright & Wilson Crystallization process
US4196180A (en) * 1973-07-04 1980-04-01 Hoechst Aktiengesellschaft Purification of phosphoric acid by means of organic solvents
DE2334019C3 (de) * 1973-07-04 1982-11-04 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von verunreinigter wäßriger Phosphorsäure
US4118462A (en) * 1974-02-01 1978-10-03 Rhone-Poulenc Industries Process for the preparation of purified phosphoric solutions from phosphoric acid
DE2605106C2 (de) * 1976-02-10 1984-06-14 Hoechst Ag, 6230 Frankfurt Verfahren und Vorrichtung zur Herstellung von alkoholischen Phosphorsäurelösungen aus sauren Phosphaten
DE2926943A1 (de) * 1979-07-04 1981-01-29 Hoechst Ag Verfahren zur reinigung von nassverfahrensphosphorsaeure
DE3127900A1 (de) * 1981-07-15 1983-02-03 Hoechst Ag, 6000 Frankfurt Verfahren zur extraktion von schwermetallionen aus waessrigen loesungen

Also Published As

Publication number Publication date
TR21939A (tr) 1985-11-28
EP0111801B1 (fr) 1988-03-16
ZA839284B (en) 1984-08-29
DE3246415A1 (de) 1984-06-20
MX159243A (es) 1989-05-08
JPS59116111A (ja) 1984-07-04
US4596703A (en) 1986-06-24
DE3376000D1 (en) 1988-04-21
ES527210A0 (es) 1984-08-01
ES8406376A1 (es) 1984-08-01
EP0111801A2 (fr) 1984-06-27
MA19975A1 (fr) 1984-07-01
EP0111801A3 (en) 1985-07-10
BR8306875A (pt) 1984-07-24
ATE33014T1 (de) 1988-04-15
JPH0445444B2 (fr) 1992-07-24
CA1208880A (fr) 1986-08-05

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