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JPS5297393A - Purification of extracted phosphoric acid - Google Patents

Purification of extracted phosphoric acid

Info

Publication number
JPS5297393A
JPS5297393A JP1394776A JP1394776A JPS5297393A JP S5297393 A JPS5297393 A JP S5297393A JP 1394776 A JP1394776 A JP 1394776A JP 1394776 A JP1394776 A JP 1394776A JP S5297393 A JPS5297393 A JP S5297393A
Authority
JP
Japan
Prior art keywords
phosphoric acid
purification
extracted phosphoric
extracted
concentration
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
JP1394776A
Other languages
Japanese (ja)
Other versions
JPS5516091B2 (en
Inventor
Mitsuo Kikuchi
Yoichi Hiraga
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.)
Tosoh Corp
Original Assignee
Toyo Soda Manufacturing Co 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 Toyo Soda Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd
Priority to JP1394776A priority Critical patent/JPS5297393A/en
Priority to IL51165A priority patent/IL51165A/en
Priority to GB54482/76A priority patent/GB1504479A/en
Priority to MX167629A priority patent/MX144656A/en
Priority to FR7701737A priority patent/FR2340903A1/en
Priority to DE2704074A priority patent/DE2704074C3/en
Priority to BR7700735A priority patent/BR7700735A/en
Priority to IT20196/77A priority patent/IT1075561B/en
Publication of JPS5297393A publication Critical patent/JPS5297393A/en
Priority to US05/851,411 priority patent/US4169881A/en
Publication of JPS5516091B2 publication Critical patent/JPS5516091B2/ja
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
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

PURPOSE: To sufficiently lower the concentration of dissolved silica in extracted phosphoric acid by contacting the extracted phosphoric acid with silica gel while regulating the atomic ratio of Si/F and the concentration of phosphoric acid within a specific range.
COPYRIGHT: (C)1977,JPO&Japio
JP1394776A 1976-02-13 1976-02-13 Purification of extracted phosphoric acid Granted JPS5297393A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP1394776A JPS5297393A (en) 1976-02-13 1976-02-13 Purification of extracted phosphoric acid
IL51165A IL51165A (en) 1976-02-13 1976-12-27 Purification of extracted phosphoric acid
GB54482/76A GB1504479A (en) 1976-02-13 1976-12-31 Purification of extracted phosphoric acid
MX167629A MX144656A (en) 1976-02-13 1977-01-07 IMPROVED METHOD FOR PURIFYING PHOSPHORIC ACID
FR7701737A FR2340903A1 (en) 1976-02-13 1977-01-21 PURIFICATION OF AN EXTRACTED PHOSPHORIC ACID
DE2704074A DE2704074C3 (en) 1976-02-13 1977-02-01 Method for purifying phosphoric acid by contacting it with silica gel
BR7700735A BR7700735A (en) 1976-02-13 1977-02-07 PROCESS FOR PURIFICATION OF AN EXTRACTED PHOSPHORIC ACID, AND SO PURIFIED PHOSPHORIC ACID
IT20196/77A IT1075561B (en) 1976-02-13 1977-02-11 PURIFICATION OF EXTRACTED PHOSPHORIC ACID
US05/851,411 US4169881A (en) 1976-02-13 1977-11-14 Process for removing dissolved silica from extracted phosphoric acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1394776A JPS5297393A (en) 1976-02-13 1976-02-13 Purification of extracted phosphoric acid

Publications (2)

Publication Number Publication Date
JPS5297393A true JPS5297393A (en) 1977-08-16
JPS5516091B2 JPS5516091B2 (en) 1980-04-28

Family

ID=11847390

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1394776A Granted JPS5297393A (en) 1976-02-13 1976-02-13 Purification of extracted phosphoric acid

Country Status (8)

Country Link
JP (1) JPS5297393A (en)
BR (1) BR7700735A (en)
DE (1) DE2704074C3 (en)
FR (1) FR2340903A1 (en)
GB (1) GB1504479A (en)
IL (1) IL51165A (en)
IT (1) IT1075561B (en)
MX (1) MX144656A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250155A (en) 1978-06-09 1981-02-10 Gardinier, Inc. Method of purifying phosphoric acid after solvent extraction

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE596368C (en) * 1931-11-29 1934-04-30 Chem Fab Budenheim Akt Ges Purification of the raw phosphoric acid obtained by the acid digestion of rock phosphates
JPS5018388A (en) * 1973-06-21 1975-02-26
JPS516894A (en) * 1974-07-09 1976-01-20 Toyo Soda Mfg Co Ltd Seiseirinsanno seizoho

Also Published As

Publication number Publication date
BR7700735A (en) 1977-10-11
FR2340903A1 (en) 1977-09-09
DE2704074A1 (en) 1977-08-18
FR2340903B1 (en) 1980-03-28
JPS5516091B2 (en) 1980-04-28
IT1075561B (en) 1985-04-22
DE2704074B2 (en) 1979-02-08
MX144656A (en) 1981-11-06
GB1504479A (en) 1978-03-22
IL51165A (en) 1979-10-31
IL51165A0 (en) 1977-02-28
DE2704074C3 (en) 1983-06-09

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