[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

BE861919A - Procede de decontamination de l'acide phosphorique prepare par voie humide - Google Patents

Procede de decontamination de l'acide phosphorique prepare par voie humide

Info

Publication number
BE861919A
BE861919A BE183508A BE183508A BE861919A BE 861919 A BE861919 A BE 861919A BE 183508 A BE183508 A BE 183508A BE 183508 A BE183508 A BE 183508A BE 861919 A BE861919 A BE 861919A
Authority
BE
Belgium
Prior art keywords
decontamination
phosphoric acid
wet method
acid prepared
prepared
Prior art date
Application number
BE183508A
Other languages
English (en)
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 BE861919A publication Critical patent/BE861919A/fr

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
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration
    • 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)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE183508A 1976-12-17 1977-12-16 Procede de decontamination de l'acide phosphorique prepare par voie humide BE861919A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2657189A DE2657189B2 (de) 1976-12-17 1976-12-17 Verfahren zur Reinigung von NaBverfahrensphosphorsäure

Publications (1)

Publication Number Publication Date
BE861919A true BE861919A (fr) 1978-06-16

Family

ID=5995769

Family Applications (1)

Application Number Title Priority Date Filing Date
BE183508A BE861919A (fr) 1976-12-17 1977-12-16 Procede de decontamination de l'acide phosphorique prepare par voie humide

Country Status (22)

Country Link
US (1) US4222994A (fr)
JP (1) JPS5376996A (fr)
AT (1) AT378760B (fr)
BE (1) BE861919A (fr)
BR (1) BR7708378A (fr)
CA (1) CA1084239A (fr)
CH (1) CH631681A5 (fr)
DD (1) DD134635A5 (fr)
DE (1) DE2657189B2 (fr)
DK (1) DK147680C (fr)
EG (1) EG12812A (fr)
ES (1) ES463636A1 (fr)
FI (1) FI65609C (fr)
FR (1) FR2374262A1 (fr)
GB (1) GB1553319A (fr)
IL (1) IL53619A0 (fr)
IT (1) IT1092168B (fr)
MX (1) MX146677A (fr)
NL (1) NL184944C (fr)
PH (1) PH13877A (fr)
SE (1) SE429543B (fr)
ZA (1) ZA777231B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2909572A1 (de) * 1979-03-12 1980-09-25 Hoechst Ag Verfahren zur ueberfuehrung von extraktionsrueckstaenden aus der phosphorsaeurereinigung in feste deponieprodukte
DE2926943A1 (de) * 1979-07-04 1981-01-29 Hoechst Ag Verfahren zur reinigung von nassverfahrensphosphorsaeure
DE2945874A1 (de) * 1979-11-14 1981-05-27 Hoechst Ag, 6000 Frankfurt Verfahren zur reinigung von nassverfahrenphosphorsaeure
US4311681A (en) * 1980-05-19 1982-01-19 Fmc Corporation Method of regenerating phosphoric acid extraction solvent
JPS5933527B2 (ja) * 1980-11-29 1984-08-16 東ソー株式会社 リン酸の溶媒抽出法
DE3135801A1 (de) * 1981-09-10 1983-03-24 Hoechst Ag, 6000 Frankfurt Verfahren zur nachbehandlung von extraktionsrueckstaenden der phosphorsaeurereinigung
JPS58217413A (ja) * 1982-05-12 1983-12-17 Toyo Soda Mfg Co Ltd リン酸の精製法
DE19703884C2 (de) 1997-02-03 1999-04-29 Bk Giulini Chem Gmbh & Co Ohg Verfahren zur Reinigung von Naßverfahrensphosphorsäure
DE102016212242B4 (de) 2016-07-05 2019-02-07 Technische Universität Bergakademie Freiberg Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen
CN117547861B (zh) * 2023-12-27 2024-04-02 昆明红海磷肥有限责任公司 一种萃余磷酸和含渣磷酸提纯分离装置及其方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2880063A (en) * 1956-06-25 1959-03-31 Makhtsavei Israel Process for the preparation of phosphoric acid
FI43731B (fr) * 1965-02-04 1971-03-01 Typpi Oy
FR2128968A6 (en) * 1971-03-10 1972-10-27 Azote & Prod Chim Purification of wet-process phosphoric acid - by extraction - with part water-misc organic solvent
US3956465A (en) * 1970-06-12 1976-05-11 Azote Et Produits Chimiques S.A. Solvent purification of wet process phosphoric acid
SE366972B (fr) * 1970-06-12 1974-05-13 Azote & Prod Chim
FR2093372A5 (en) * 1970-06-12 1972-01-28 Azote & Prod Chim Purification of wet-process phosphoric acid - by extraction - with part water-misc organic solvent
US3684439A (en) * 1970-09-22 1972-08-15 Monsanto Co Handling of raffinates from wet phosphoric acid purification
DE2321751C3 (de) * 1973-04-30 1981-11-19 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von Naßphosphorsäure
FR2259787B1 (fr) * 1974-02-01 1977-09-16 Rhone Poulenc Ind
DE2605106C2 (de) * 1976-02-10 1984-06-14 Hoechst Ag, 6230 Frankfurt Verfahren und Vorrichtung zur Herstellung von alkoholischen Phosphorsäurelösungen aus sauren Phosphaten

Also Published As

Publication number Publication date
NL7713607A (nl) 1978-06-20
IT1092168B (it) 1985-07-06
DE2657189A1 (de) 1978-06-22
ZA777231B (en) 1978-11-29
CH631681A5 (de) 1982-08-31
NL184944B (nl) 1989-07-17
AT378760B (de) 1985-09-25
DK147680B (da) 1984-11-12
FI65609B (fi) 1984-02-29
MX146677A (es) 1982-07-27
GB1553319A (en) 1979-09-26
FR2374262A1 (fr) 1978-07-13
JPS5376996A (en) 1978-07-07
ATA898177A (de) 1985-02-15
SE7714258L (sv) 1978-06-18
DD134635A5 (de) 1979-03-14
CA1084239A (fr) 1980-08-26
ES463636A1 (es) 1978-07-16
PH13877A (en) 1980-10-24
DK562777A (da) 1978-06-18
IL53619A0 (en) 1978-03-10
DE2657189B2 (de) 1980-02-07
NL184944C (nl) 1989-12-18
FI65609C (fi) 1984-06-11
FI773802A (fi) 1978-06-18
US4222994A (en) 1980-09-16
EG12812A (en) 1981-03-31
FR2374262B1 (fr) 1982-10-08
BR7708378A (pt) 1978-08-08
SE429543B (sv) 1983-09-12
DK147680C (da) 1985-05-13

Similar Documents

Publication Publication Date Title
RO79394A (fr) Procede pour la purification de l'acide phosphorique
FR2341552A1 (fr) Procede de preparation d'acide methacrylique
BE861919A (fr) Procede de decontamination de l'acide phosphorique prepare par voie humide
BE854859A (fr) Procede de purification d'acide phosphorique
BE814329A (fr) Procede d'epuration de l'acide phosphorique prepare par voie humide
FR2470090B1 (fr) Procede de purification d'un acide phosphorique de voie humide
FR2340902A1 (fr) Procede de preparation d'acide phosphorique pur
PT67088A (fr) Procede de preparation de derives de l'acide(phenyl-3-amino-2-propionyloxy)-2-acetique
BE861920A (fr) Procede de purification de l'acide phosphorique prepare par voie humide
BE863040A (fr) Nouveau procede de preparation de l'acide phenylacetique
FR2286790A1 (fr) Procede et appareillage destines a la decontamination de l'acide phosphorique prepare par voie humide
FR2331543A1 (fr) Procede de preparation de l'acide cis-2-hydroxy-2-phenyl-r-l-cyclohexanecarboxylique
BE862580A (fr) Procede de concentration d'acide phosphorique dilue
BE845152A (fr) Procede d'epuration d'acide phosphorique obtenu par voie humide
FR2338947A1 (fr) Procede de preparation d'ester-sels acides d'acide phosphorique
FR2320262A1 (fr) Procede de preparation de phosphates a partir d'acide phosphorique
MA19686A1 (fr) Procede de Purification d'Acide Phosphorique de voie humide
RO70958A (fr) Procede de preparation des esters de l'acide o-ethyle-s-n-propyle-o-2,2,2-trihaloethyle-thionothiol)phosphorique
BE861693A (fr) Procede de reduction de l'acide 2,5-dicetogluconique
FR2327961A1 (fr) Procede pour l'epuration de l'acide phosphorique
BE865908A (fr) Purification de l'acide phosphorique du procede par voie humide
BE867331A (fr) Procede de purification d'un acide phosphorique de voie humide
FR2330643A1 (fr) Procede continu de fabrication d'acide phosphorique de voie humide
MA18666A1 (fr) Procede d'extraction d'uranium d'acide phosphorique
RO74966A (fr) Procede de preparation de l'acide perpropionique

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: HOECHST A.G.

Effective date: 19921231