PH16195A - Decontamination of phosphoric acid - Google Patents

Decontamination of phosphoric acid

Info

Publication number
PH16195A
PH16195A PH24244A PH24244A PH16195A PH 16195 A PH16195 A PH 16195A PH 24244 A PH24244 A PH 24244A PH 24244 A PH24244 A PH 24244A PH 16195 A PH16195 A PH 16195A
Authority
PH
Philippines
Prior art keywords
aqueous phase
phase
zones
organic
extraction
Prior art date
Application number
PH24244A
Other languages
English (en)
Inventor
Reinhard Gradl
Klaus Schurodter
Klaus Peter Ehlers
Wolfgang Scheiditz
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=PH16195(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 PH16195A publication Critical patent/PH16195A/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
    • 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)
PH24244A 1979-07-04 1980-07-07 Decontamination of phosphoric acid PH16195A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
PH16195A true PH16195A (en) 1983-07-28

Family

ID=6074853

Family Applications (1)

Application Number Title Priority Date Filing Date
PH24244A PH16195A (en) 1979-07-04 1980-07-07 Decontamination of phosphoric acid

Country Status (18)

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

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 (fi) * 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
DK287880A (da) 1981-01-05
DE2926943C2 (fi) 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

Similar Documents

Publication Publication Date Title
JPS5287169A (en) Solvent for polyy*betaa hydroxybutyric acid* and extracting method utilizing the same
GB1517263A (en) Removing iron from an organic extractant containing uranium and iron especially from the extractant used in the recovery of uranium from wet process phosphoric acid
EG14111A (en) Aqueous micro emulsions of organic substances
BR8204101A (pt) Processo para a extracao liquido/liquido de ions de metal pesado de solucoes acidas aquosas
MX154695A (es) Unidad de extraccion mejorada para la extraccion de liquido en procesos hidrometalurgicos
IL60427A (en) Decontamination of wet-processed phosphoric acid
BR8001285A (pt) Processo para separacao de minerais acompanhantes fracamente magneticos,em especial paramagneticos,que apresentam susceptibilidade de massa inferior a 200x10-6 cm3/g,de minerais uteis ou minerios nao-magneticos ou cujo magnetismo e mais fraco do que o dos minerais acompanhantes a serem separados
FI881367A (fi) Foerfarande foer separation av saellsynta jordartsmetaller medelst vaetske-vaetskeextraktion.
DE3787102D1 (de) Extraktion von Probesubstanzen.
ATE45935T1 (de) Verfahren zum abscheiden von cerium und seltenen erden.
ES463603A1 (es) Procedimiento para la purificacion de acido fosforico de procedimiento en humedo.
FI65413B (fi) Foerfarande foer rening av fosforsyra fraon vaotfoerfarandet
BR7901698A (pt) Estabilizador de solo e processo para estabilizar materiais componentes do solo
BR7904977A (pt) Processo para separacao, por meio de um agente organico aminado,do uranio e do molibdencio contidos em um licor aquoso proveniente do atque sulfurico de um minerio urano-molibdenifero
GB1504125A (en) Process for purifying phosphatides
BR8006480A (pt) Coluna de extracao para substancias de dissociacao e/ou de calcinacao
ES2022893B3 (es) Metodo de extraccion liquido-liquido que utiliza adsorbente polimero particulado.
KR880002450A (ko) 단백질의 채취정제법
JPS5387306A (en) Treatment of decomposition mixture of cymenehydroperoxide
BERMAN A class of solutions to the unsteady-state equations of the combustion theory for compacts
JPS5499694A (en) Chemical constitution analysis method of organic matter such as coal
JPS51125695A (en) The preparation of high pruity phosphoric acid
ES8500622A1 (es) Procedimiento para la obtencion de extractos farmacologicamente activos de la planta de genero pygeum africanum
ES432538A1 (es) Procedimiento para separacion de solidos y materia organicadel acido fosforico de 25-35 por 100 en p2o5, como etapa previa a la recuperacion, por extraccion con disolventes, del uranio que contiene dicho acido.
RU97108734A (ru) Способ извлечения трибутилфосфата из водных растворов