FR2182055A1 - - Google Patents

Info

Publication number
FR2182055A1
FR2182055A1 FR7314935A FR7314935A FR2182055A1 FR 2182055 A1 FR2182055 A1 FR 2182055A1 FR 7314935 A FR7314935 A FR 7314935A FR 7314935 A FR7314935 A FR 7314935A FR 2182055 A1 FR2182055 A1 FR 2182055A1
Authority
FR
France
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
FR7314935A
Other versions
FR2182055B1 (fr
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 FR2182055A1 publication Critical patent/FR2182055A1/fr
Application granted granted Critical
Publication of FR2182055B1 publication Critical patent/FR2182055B1/fr
Expired 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)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
FR7314935A 1972-04-26 1973-04-25 Expired FR2182055B1 (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
FR2182055A1 true FR2182055A1 (fr) 1973-12-07
FR2182055B1 FR2182055B1 (fr) 1977-01-07

Family

ID=26254071

Family Applications (3)

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

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR7538022A Granted FR2289441A1 (fr) 1972-04-26 1975-12-11 Procede pour la purification d'acide phosphorique de voie humide
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) RO67820A (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
US3556739A (en) * 1968-10-24 1971-01-19 Israel Mining Ind Inst For Res Cleaning phosphoric acid including recovery from the organic solvent by heating to stratify into an acid layer and an organic layer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL298968A (fr) 1963-10-08
DE2334019C3 (de) * 1973-07-04 1982-11-04 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von verunreinigter wäßriger Phosphorsäure

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3556739A (en) * 1968-10-24 1971-01-19 Israel Mining Ind Inst For Res Cleaning phosphoric acid including recovery from the organic solvent by heating to stratify into an acid layer and an organic layer

Also Published As

Publication number Publication date
GB1436113A (en) 1976-05-19
DE2320877B2 (de) 1980-03-20
RO69802A (fr) 1983-07-07
OA04403A (fr) 1980-02-29
IE37549B1 (en) 1977-08-17
FI59077C (fi) 1981-06-10
NL7305765A (fr) 1973-10-30
FR2289441A1 (fr) 1976-05-28
CA1004828A (en) 1977-02-08
TR18445A (tr) 1977-02-16
AU8599475A (en) 1975-12-18
CH613916A5 (en) 1979-10-31
IE37549L (en) 1973-10-26
RO67820A (fr) 1980-01-15
RO69802B (ro) 1983-06-30
ES414069A1 (es) 1976-05-16
AU5488473A (en) 1974-10-31
FR2289442A1 (fr) 1976-05-28
DD109362A5 (fr) 1974-11-05
NO137082C (no) 1977-12-28
BE798737A (fr) 1973-10-26
FI59077B (fi) 1981-02-27
MY7800085A (en) 1978-12-31
FR2289442B1 (fr) 1979-02-02
FR2182055B1 (fr) 1977-01-07
FR2289441B1 (fr) 1979-02-02
NO137082B (no) 1977-09-19
SE395263B (sv) 1977-08-08
IN140334B (fr) 1976-10-16
JPS4999993A (fr) 1974-09-20
DE2320877A1 (de) 1973-11-15

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Legal Events

Date Code Title Description
ST Notification of lapse