FR2289441A1 - Procede pour la purification d'acide phosphorique de voie humide - Google Patents

Procede pour la purification d'acide phosphorique de voie humide

Info

Publication number
FR2289441A1
FR2289441A1 FR7538022A FR7538022A FR2289441A1 FR 2289441 A1 FR2289441 A1 FR 2289441A1 FR 7538022 A FR7538022 A FR 7538022A FR 7538022 A FR7538022 A FR 7538022A FR 2289441 A1 FR2289441 A1 FR 2289441A1
Authority
FR
France
Prior art keywords
wet
purification
phosphoric acid
phosphoric
acid
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7538022A
Other languages
English (en)
Other versions
FR2289441B1 (fr
Inventor
Thomas Alan Williams
Franck Michael Cussons
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Solvay Solutions UK Ltd
Original Assignee
Albright and Wilson Ltd
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 Albright and Wilson Ltd filed Critical Albright and Wilson Ltd
Publication of FR2289441A1 publication Critical patent/FR2289441A1/fr
Application granted granted Critical
Publication of FR2289441B1 publication Critical patent/FR2289441B1/fr
Granted legal-status Critical Current

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
    • C01B25/463—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 a ketone or a mixture of ketones
    • 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
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • 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
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
FR7538022A 1972-04-26 1975-12-11 Procede pour la purification d'acide phosphorique de voie humide Granted FR2289441A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1947672A GB1436113A (en) 1972-04-26 1972-04-26 Purification of phosphoric acid
GB4538072 1972-10-02

Publications (2)

Publication Number Publication Date
FR2289441A1 true FR2289441A1 (fr) 1976-05-28
FR2289441B1 FR2289441B1 (fr) 1979-02-02

Family

ID=26254071

Family Applications (3)

Application Number Title Priority Date Filing Date
FR7314935A Expired FR2182055B1 (fr) 1972-04-26 1973-04-25
FR7538023A Granted FR2289442A1 (fr) 1972-04-26 1975-12-11 Procede pour la purification d'acide phosphorique de voie humide
FR7538022A Granted FR2289441A1 (fr) 1972-04-26 1975-12-11 Procede pour la purification d'acide phosphorique de voie humide

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR7314935A Expired FR2182055B1 (fr) 1972-04-26 1973-04-25
FR7538023A Granted FR2289442A1 (fr) 1972-04-26 1975-12-11 Procede pour la purification d'acide phosphorique de voie humide

Country Status (20)

Country Link
JP (1) JPS4999993A (fr)
AU (1) AU8599475A (fr)
BE (1) BE798737A (fr)
CA (1) CA1004828A (fr)
CH (1) CH613916A5 (fr)
DD (1) DD109362A5 (fr)
DE (1) DE2320877B2 (fr)
ES (1) ES414069A1 (fr)
FI (1) FI59077C (fr)
FR (3) FR2182055B1 (fr)
GB (1) GB1436113A (fr)
IE (1) IE37549B1 (fr)
IN (1) IN140334B (fr)
MY (1) MY7800085A (fr)
NL (1) NL7305765A (fr)
NO (1) NO137082C (fr)
OA (1) OA04403A (fr)
RO (2) RO69802A (fr)
SE (1) SE395263B (fr)
TR (1) TR18445A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543632A1 (de) * 1974-10-07 1976-04-08 Pennzoil Co Verfahren zur herstellung von fluoridfreien phosphaten
CA1139956A (fr) * 1978-10-10 1983-01-25 Mark A. Rose Procede d'extraction de l'uranium a partir d'acide phosphorique brut
DE3246416A1 (de) * 1982-12-15 1984-06-20 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von nassverfahrensphosphorsaeure
DE3246415A1 (de) * 1982-12-15 1984-06-20 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von nassverfahrenphosphorsaeure
JP2512429Y2 (ja) * 1993-07-12 1996-10-02 北陸電気工業株式会社 高電圧抵抗パック
IT1285694B1 (it) * 1996-05-08 1998-06-18 Azionaria Costruzioni Acma Spa Metodo ed unita' per la formazione ed il convogliamento di gruppi di prodotti
DE19703884C2 (de) 1997-02-03 1999-04-29 Bk Giulini Chem Gmbh & Co Ohg Verfahren zur Reinigung von Naßverfahrensphosphorsäure

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2235876A1 (fr) * 1973-07-04 1975-01-31 Hoechst Ag

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL298968A (fr) 1963-10-08
GB1142719A (en) * 1968-10-24 1969-02-12 Israel Mining Ind Inst For Res Phosphoric acid recovery

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2235876A1 (fr) * 1973-07-04 1975-01-31 Hoechst Ag

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
THE ENGINEER, VOLUME 238, NO. 6153 14 FEVRIER 1974 PAGE 33 BARNEY ) *

Also Published As

Publication number Publication date
CH613916A5 (en) 1979-10-31
IN140334B (fr) 1976-10-16
RO67820A (fr) 1980-01-15
DE2320877A1 (de) 1973-11-15
TR18445A (tr) 1977-02-16
OA04403A (fr) 1980-02-29
RO69802B (ro) 1983-06-30
NO137082B (no) 1977-09-19
ES414069A1 (es) 1976-05-16
AU8599475A (en) 1975-12-18
AU5488473A (en) 1974-10-31
FR2182055B1 (fr) 1977-01-07
DE2320877B2 (de) 1980-03-20
FR2289442A1 (fr) 1976-05-28
FI59077B (fi) 1981-02-27
NL7305765A (fr) 1973-10-30
BE798737A (fr) 1973-10-26
FR2289442B1 (fr) 1979-02-02
RO69802A (fr) 1983-07-07
IE37549L (en) 1973-10-26
FI59077C (fi) 1981-06-10
SE395263B (sv) 1977-08-08
MY7800085A (en) 1978-12-31
FR2182055A1 (fr) 1973-12-07
IE37549B1 (en) 1977-08-17
DD109362A5 (fr) 1974-11-05
NO137082C (no) 1977-12-28
JPS4999993A (fr) 1974-09-20
CA1004828A (en) 1977-02-08
GB1436113A (en) 1976-05-19
FR2289441B1 (fr) 1979-02-02

Similar Documents

Publication Publication Date Title
RO73345A (fr) Procede pour la preparation des derives /-substitus de l'acide 7 beta-amino-3-cephem-ol-4-carboxylique
BE793710A (fr) Procede de preparation d'acide (&)-trans-chrysanthemique
BE802541A (fr) Procede de preparation de l'acide phosphorique
BE814329A (fr) Procede d'epuration de l'acide phosphorique prepare par voie humide
RO63443A (fr) Procede pour la preparation du dihydrate d'acide 7-(d-alpha-amino-1,4-cyclohexadien-1-ile-acetamido)-desacetoxycephalosporanique
FR2289442A1 (fr) Procede pour la purification d'acide phosphorique de voie humide
RO63738A (fr) Procede pour la preparation des eters d'acide cephalosporanique
BE802974A (fr) Procede de preparation de la gamma-lactone de l'acide beta- (3-ceto-7alpha-acetylthio-17beta-hydroxy-4-androstene- 17alpha-yl)-propionique
BE805535A (fr) Procede de deshydratation d'acide bis-maleamiques
BE798598A (fr) Procede de purification de l'acide phosphorique
RO62893A (fr) Procede pour obtenir des esters d'acide benzisoxazol-(thio)-phosphorique (phosphomique
BE804526A (fr) Procede ameliore pour la recuperation de l'acide cyanhydrique
FR2327193A1 (fr) Procede de purification de l'acide phosphorique
RO62874A (fr) Procede pour la preparation des n-(iminomethylidene)-thiol-esterimides d'acide phosphorique
RO66639A (fr) Procede pour la preparation de l'acide n5-methyltetrahydrohomopholique
BE818286A (fr) Procede pour la purification de l'acide phosphorique obtenu par voie humide
FR2327961A1 (fr) Procede pour l'epuration de l'acide phosphorique
BE775299A (fr) Procede pour la purification d'acide phosphorique de voie humide
BE805720A (fr) Procede de preparation de la gamma-lactone de l'acide beta-(3-ceto-7alpha-acetylthio-17beta-hydroxy-4-androstene-17alpha-yl)-propionique
RO72490A (fr) Procede pour la preparation des derives d'acide pregnanique
BE787146A (fr) Procede de preparation d'acide phosphorique par voie humide
BE806868A (fr) Procede de preparation de l'acide 7-(d-alpha-aminophenylacetamido) -3-desacetoxycephalosporanique
RO63436A (fr) Procede pour la preparation d'esters d'acide succinylosuccinique
BE809077A (fr) Procede pour la preparation du derive de l'acide cephalosporanique
BE846833A (fr) Procede pour l'epuration de l'acide phosphorique,

Legal Events

Date Code Title Description
ST Notification of lapse