ATE30140T1 - Verfahren zur reinigung von nassverfahrensphosphorsaeure. - Google Patents

Verfahren zur reinigung von nassverfahrensphosphorsaeure.

Info

Publication number
ATE30140T1
ATE30140T1 AT80103272T AT80103272T ATE30140T1 AT E30140 T1 ATE30140 T1 AT E30140T1 AT 80103272 T AT80103272 T AT 80103272T AT 80103272 T AT80103272 T AT 80103272T AT E30140 T1 ATE30140 T1 AT E30140T1
Authority
AT
Austria
Prior art keywords
aqueous phase
phase
zones
phosphoric acid
organic
Prior art date
Application number
AT80103272T
Other languages
German (de)
English (en)
Inventor
Reinhard Dr Gradl
Klaus Dr Schroedter
Klaus-Peter Dr Ehlers
Wolfgang Dr 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=ATE30140(T1) "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
Application granted granted Critical
Publication of ATE30140T1 publication Critical patent/ATE30140T1/de

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)
  • 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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Silicon Compounds (AREA)
AT80103272T 1979-07-04 1980-06-12 Verfahren zur reinigung von nassverfahrensphosphorsaeure. ATE30140T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792926943 DE2926943A1 (de) 1979-07-04 1979-07-04 Verfahren zur reinigung von nassverfahrensphosphorsaeure
EP80103272A EP0022477B1 (de) 1979-07-04 1980-06-12 Verfahren zur Reinigung von Nassverfahrensphosphorsäure

Publications (1)

Publication Number Publication Date
ATE30140T1 true ATE30140T1 (de) 1987-10-15

Family

ID=6074853

Family Applications (1)

Application Number Title Priority Date Filing Date
AT80103272T ATE30140T1 (de) 1979-07-04 1980-06-12 Verfahren zur reinigung von nassverfahrensphosphorsaeure.

Country Status (18)

Country Link
US (1) US4346066A (cg-RX-API-DMAC7.html)
EP (1) EP0022477B1 (cg-RX-API-DMAC7.html)
JP (1) JPS5924723B2 (cg-RX-API-DMAC7.html)
AT (1) ATE30140T1 (cg-RX-API-DMAC7.html)
BR (1) BR8004138A (cg-RX-API-DMAC7.html)
CA (1) CA1141941A (cg-RX-API-DMAC7.html)
DD (1) DD151920A5 (cg-RX-API-DMAC7.html)
DE (1) DE2926943A1 (cg-RX-API-DMAC7.html)
DK (1) DK156951C (cg-RX-API-DMAC7.html)
ES (1) ES8101021A1 (cg-RX-API-DMAC7.html)
FI (1) FI70559C (cg-RX-API-DMAC7.html)
IL (1) IL60427A (cg-RX-API-DMAC7.html)
MA (1) MA18887A1 (cg-RX-API-DMAC7.html)
MX (1) MX152984A (cg-RX-API-DMAC7.html)
PH (1) PH16195A (cg-RX-API-DMAC7.html)
SU (1) SU1367851A3 (cg-RX-API-DMAC7.html)
TR (1) TR21265A (cg-RX-API-DMAC7.html)
ZA (1) ZA803999B (cg-RX-API-DMAC7.html)

Families Citing this family (3)

* 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
RU2166476C2 (ru) * 1998-12-04 2001-05-10 Зайцев Борис Николаевич Способ очистки экстракционной фосфорной кислоты
SE535871C2 (sv) * 2009-05-27 2013-01-22 Easymining Sweden Ab Produktion av ammoniumfosfater

Family Cites Families (9)

* 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
DE1952104U (de) 1966-10-21 1966-12-22 Leonhard Masters Lampe, welche an regalen loesbar anzubringen ist.
BE757550A (fr) * 1969-10-16 1971-03-16 Giulini Gmbh Geb Procede de preparation de phosphates purs a partir d'acides phosphoriques impurs
SE366972B (cg-RX-API-DMAC7.html) * 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
DE2657189B2 (de) * 1976-12-17 1980-02-07 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von NaBverfahrensphosphorsäure
DE2657190C2 (de) * 1976-12-17 1982-11-04 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von Naßverfahrensphosphorsäure

Also Published As

Publication number Publication date
IL60427A0 (en) 1980-09-16
DE2926943C2 (cg-RX-API-DMAC7.html) 1988-01-28
IL60427A (en) 1983-11-30
MX152984A (es) 1986-07-14
TR21265A (tr) 1984-03-15
MA18887A1 (fr) 1981-04-01
FI70559C (fi) 1986-09-24
SU1367851A3 (ru) 1988-01-15
FI802126A7 (fi) 1981-01-05
EP0022477A3 (en) 1981-08-05
US4346066A (en) 1982-08-24
JPS569203A (en) 1981-01-30
EP0022477A2 (de) 1981-01-21
ES491919A0 (es) 1980-12-16
DD151920A5 (de) 1981-11-11
ZA803999B (en) 1981-07-29
JPS5924723B2 (ja) 1984-06-12
CA1141941A (en) 1983-03-01
FI70559B (fi) 1986-06-06
DE2926943A1 (de) 1981-01-29
DK156951B (da) 1989-10-23
BR8004138A (pt) 1981-01-21
PH16195A (en) 1983-07-28
ES8101021A1 (es) 1980-12-16
DK156951C (da) 1990-03-26
EP0022477B1 (de) 1987-10-07
DK287880A (da) 1981-01-05

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee