FR2289442A1 - METHOD FOR PURIFICATION OF PHOSPHORIC ACID BY WET WET - Google Patents

METHOD FOR PURIFICATION OF PHOSPHORIC ACID BY WET WET

Info

Publication number
FR2289442A1
FR2289442A1 FR7538023A FR7538023A FR2289442A1 FR 2289442 A1 FR2289442 A1 FR 2289442A1 FR 7538023 A FR7538023 A FR 7538023A FR 7538023 A FR7538023 A FR 7538023A FR 2289442 A1 FR2289442 A1 FR 2289442A1
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
FR7538023A
Other languages
French (fr)
Other versions
FR2289442B1 (en
Inventor
Thomas Alan Williams
Frank 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 FR2289442A1 publication Critical patent/FR2289442A1/en
Application granted granted Critical
Publication of FR2289442B1 publication Critical patent/FR2289442B1/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
FR7538023A 1972-04-26 1975-12-11 METHOD FOR PURIFICATION OF PHOSPHORIC ACID BY WET WET Granted FR2289442A1 (en)

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
FR2289442A1 true FR2289442A1 (en) 1976-05-28
FR2289442B1 FR2289442B1 (en) 1979-02-02

Family

ID=26254071

Family Applications (3)

Application Number Title Priority Date Filing Date
FR7314935A Expired FR2182055B1 (en) 1972-04-26 1973-04-25
FR7538022A Granted FR2289441A1 (en) 1972-04-26 1975-12-11 METHOD FOR PURIFICATION OF PHOSPHORIC ACID BY WET WET
FR7538023A Granted FR2289442A1 (en) 1972-04-26 1975-12-11 METHOD FOR PURIFICATION OF PHOSPHORIC ACID BY WET WET

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR7314935A Expired FR2182055B1 (en) 1972-04-26 1973-04-25
FR7538022A Granted FR2289441A1 (en) 1972-04-26 1975-12-11 METHOD FOR PURIFICATION OF PHOSPHORIC ACID BY WET WET

Country Status (20)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL48207A (en) * 1974-10-07 1978-12-17 Pennzoil Co Production of fluoride-free phosphates
CA1139956A (en) * 1978-10-10 1983-01-25 Mark A. Rose Process for extracting uranium from crude phosphoric acids
DE3246416A1 (en) * 1982-12-15 1984-06-20 Hoechst Ag, 6230 Frankfurt METHOD FOR PURIFYING WET METAL PHOSPHORIC ACID
DE3246415A1 (en) * 1982-12-15 1984-06-20 Hoechst Ag, 6230 Frankfurt METHOD FOR PURIFYING WET METHOD PHOSPHORIC ACID
JP2512429Y2 (en) * 1993-07-12 1996-10-02 北陸電気工業株式会社 High voltage resistance pack
IT1285694B1 (en) * 1996-05-08 1998-06-18 Azionaria Costruzioni Acma Spa METHOD AND UNIT FOR THE TRAINING AND CONVEYANCE OF GROUPS OF PRODUCTS
DE19703884C2 (en) 1997-02-03 1999-04-29 Bk Giulini Chem Gmbh & Co Ohg Process for purifying wet process phosphoric acid

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL298968A (en) 1963-10-08
GB1142719A (en) * 1968-10-24 1969-02-12 Israel Mining Ind Inst For Res Phosphoric acid recovery
DE2334019C3 (en) * 1973-07-04 1982-11-04 Hoechst Ag, 6000 Frankfurt Process for the purification of contaminated aqueous phosphoric acid

Also Published As

Publication number Publication date
DD109362A5 (en) 1974-11-05
NL7305765A (en) 1973-10-30
NO137082C (en) 1977-12-28
BE798737A (en) 1973-10-26
IE37549B1 (en) 1977-08-17
FI59077B (en) 1981-02-27
RO67820A (en) 1980-01-15
FR2289442B1 (en) 1979-02-02
RO69802A (en) 1983-07-07
IN140334B (en) 1976-10-16
CH613916A5 (en) 1979-10-31
FR2182055A1 (en) 1973-12-07
DE2320877A1 (en) 1973-11-15
GB1436113A (en) 1976-05-19
IE37549L (en) 1973-10-26
CA1004828A (en) 1977-02-08
DE2320877B2 (en) 1980-03-20
RO69802B (en) 1983-06-30
FI59077C (en) 1981-06-10
ES414069A1 (en) 1976-05-16
FR2289441B1 (en) 1979-02-02
FR2182055B1 (en) 1977-01-07
AU5488473A (en) 1974-10-31
OA04403A (en) 1980-02-29
JPS4999993A (en) 1974-09-20
SE395263B (en) 1977-08-08
NO137082B (en) 1977-09-19
AU8599475A (en) 1975-12-18
FR2289441A1 (en) 1976-05-28
TR18445A (en) 1977-02-16
MY7800085A (en) 1978-12-31

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Legal Events

Date Code Title Description
DA Annulment of decision of lapse
ST Notification of lapse