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AU5488473A - Purification of phosphoric acid - Google Patents

Purification of phosphoric acid

Info

Publication number
AU5488473A
AU5488473A AU54884/73A AU5488473A AU5488473A AU 5488473 A AU5488473 A AU 5488473A AU 54884/73 A AU54884/73 A AU 54884/73A AU 5488473 A AU5488473 A AU 5488473A AU 5488473 A AU5488473 A AU 5488473A
Authority
AU
Australia
Prior art keywords
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.)
Expired
Application number
AU54884/73A
Other versions
AU485324B2 (en
Inventor
Alan Williams And Frank Michael Cussons Thomas
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
Application granted granted Critical
Publication of AU5488473A publication Critical patent/AU5488473A/en
Publication of AU485324B2 publication Critical patent/AU485324B2/en
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)
  • Cleaning Or Drying Semiconductors (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
AU54884/73A 1972-04-26 1973-04-26 Purification of phosphoric acid Expired AU485324B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB19476/72 1972-04-26
GB1947672A GB1436113A (en) 1972-04-26 1972-04-26 Purification of phosphoric acid
GB4538072 1972-10-02
GBGB45380/72 1972-10-02

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
AU85993/75A Division AU497424B2 (en) 1975-10-24 1975-10-24 Purification of phosphoric acid
AU85997/75A Division AU503102B2 (en) 1975-10-24 1975-10-24 Purification of phosphoric acid by solvent extraction

Publications (2)

Publication Number Publication Date
AU5488473A true AU5488473A (en) 1974-10-31
AU485324B2 AU485324B2 (en) 1974-10-31

Family

ID=

Also Published As

Publication number Publication date
FR2289441A1 (en) 1976-05-28
FR2182055B1 (en) 1977-01-07
CA1004828A (en) 1977-02-08
ES414069A1 (en) 1976-05-16
JPS4999993A (en) 1974-09-20
DE2320877A1 (en) 1973-11-15
TR18445A (en) 1977-02-16
NL7305765A (en) 1973-10-30
FI59077C (en) 1981-06-10
MY7800085A (en) 1978-12-31
OA04403A (en) 1980-02-29
RO69802A (en) 1983-07-07
AU8599475A (en) 1975-12-18
CH613916A5 (en) 1979-10-31
FI59077B (en) 1981-02-27
IE37549B1 (en) 1977-08-17
DD109362A5 (en) 1974-11-05
IN140334B (en) 1976-10-16
FR2289442B1 (en) 1979-02-02
NO137082C (en) 1977-12-28
GB1436113A (en) 1976-05-19
RO67820A (en) 1980-01-15
FR2289442A1 (en) 1976-05-28
RO69802B (en) 1983-06-30
BE798737A (en) 1973-10-26
DE2320877B2 (en) 1980-03-20
NO137082B (en) 1977-09-19
SE395263B (en) 1977-08-08
IE37549L (en) 1973-10-26
FR2289441B1 (en) 1979-02-02
FR2182055A1 (en) 1973-12-07

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