DK287880A - Fremgangsmaade til rensning af en vandig oploesning af phosphorsyre fremstillet ved vaadmetoden - Google Patents

Fremgangsmaade til rensning af en vandig oploesning af phosphorsyre fremstillet ved vaadmetoden

Info

Publication number
DK287880A
DK287880A DK287880A DK287880A DK287880A DK 287880 A DK287880 A DK 287880A DK 287880 A DK287880 A DK 287880A DK 287880 A DK287880 A DK 287880A DK 287880 A DK287880 A DK 287880A
Authority
DK
Denmark
Prior art keywords
aqueous phase
phase
zones
phosphoric acid
organic
Prior art date
Application number
DK287880A
Other languages
English (en)
Other versions
DK156951C (da
DK156951B (da
Inventor
R Gradl
K Schroedter
K P Ehlers
W Scheibitz
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6074853&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK287880(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of DK287880A publication Critical patent/DK287880A/da
Publication of DK156951B publication Critical patent/DK156951B/da
Application granted granted Critical
Publication of DK156951C publication Critical patent/DK156951C/da

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)
  • Extraction Or Liquid Replacement (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Removal Of Specific Substances (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Saccharide Compounds (AREA)
  • Materials For Medical Uses (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Silicon Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
DK287880A 1979-07-04 1980-07-03 Fremgangsmaade til rensning af en vandig oploesning af phosphorsyre fremstillet ved vaadmetoden DK156951C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2926943 1979-07-04
DE19792926943 DE2926943A1 (de) 1979-07-04 1979-07-04 Verfahren zur reinigung von nassverfahrensphosphorsaeure

Publications (3)

Publication Number Publication Date
DK287880A true DK287880A (da) 1981-01-05
DK156951B DK156951B (da) 1989-10-23
DK156951C DK156951C (da) 1990-03-26

Family

ID=6074853

Family Applications (1)

Application Number Title Priority Date Filing Date
DK287880A DK156951C (da) 1979-07-04 1980-07-03 Fremgangsmaade til rensning af en vandig oploesning af phosphorsyre fremstillet ved vaadmetoden

Country Status (18)

Country Link
US (1) US4346066A (da)
EP (1) EP0022477B1 (da)
JP (1) JPS5924723B2 (da)
AT (1) ATE30140T1 (da)
BR (1) BR8004138A (da)
CA (1) CA1141941A (da)
DD (1) DD151920A5 (da)
DE (1) DE2926943A1 (da)
DK (1) DK156951C (da)
ES (1) ES8101021A1 (da)
FI (1) FI70559C (da)
IL (1) IL60427A (da)
MA (1) MA18887A1 (da)
MX (1) MX152984A (da)
PH (1) PH16195A (da)
SU (1) SU1367851A3 (da)
TR (1) TR21265A (da)
ZA (1) ZA803999B (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3246415A1 (de) * 1982-12-15 1984-06-20 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von nassverfahrenphosphorsaeure
ES2542524T3 (es) * 2009-05-27 2015-08-06 Easymining Sweden Ab Producción de fosfatos de amonio

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1292338A (fr) * 1961-03-22 1962-05-04 Ets Kuhlmann Procédé d'obtention d'acide phosphorique pur par voie humide
GB1042621A (en) * 1962-04-04 1966-09-14 Ishihara Sangyo Kaisha Liquid-liquid contact process and apparatus
BE757550A (fr) * 1969-10-16 1971-03-16 Giulini Gmbh Geb Procede de preparation de phosphates purs a partir d'acides phosphoriques impurs
SE366972B (da) * 1970-06-12 1974-05-13 Azote & Prod Chim
DE2321751C3 (de) * 1973-04-30 1981-11-19 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von Naßphosphorsäure
US4196180A (en) * 1973-07-04 1980-04-01 Hoechst Aktiengesellschaft Purification of phosphoric acid by means of organic solvents
DE2657190C2 (de) * 1976-12-17 1982-11-04 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von Naßverfahrensphosphorsäure
DE2657189B2 (de) * 1976-12-17 1980-02-07 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von NaBverfahrensphosphorsäure

Also Published As

Publication number Publication date
DE2926943A1 (de) 1981-01-29
DD151920A5 (de) 1981-11-11
FI70559C (fi) 1986-09-24
FI70559B (fi) 1986-06-06
DK156951C (da) 1990-03-26
JPS5924723B2 (ja) 1984-06-12
FI802126A (fi) 1981-01-05
PH16195A (en) 1983-07-28
DE2926943C2 (da) 1988-01-28
EP0022477A3 (en) 1981-08-05
SU1367851A3 (ru) 1988-01-15
ATE30140T1 (de) 1987-10-15
ZA803999B (en) 1981-07-29
EP0022477B1 (de) 1987-10-07
CA1141941A (en) 1983-03-01
JPS569203A (en) 1981-01-30
MA18887A1 (fr) 1981-04-01
EP0022477A2 (de) 1981-01-21
BR8004138A (pt) 1981-01-21
DK156951B (da) 1989-10-23
IL60427A0 (en) 1980-09-16
US4346066A (en) 1982-08-24
IL60427A (en) 1983-11-30
TR21265A (tr) 1984-03-15
MX152984A (es) 1986-07-14
ES491919A0 (es) 1980-12-16
ES8101021A1 (es) 1980-12-16

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