JPS5297390A - Removal of sulfate ion in phosphoric acid - Google Patents

Removal of sulfate ion in phosphoric acid

Info

Publication number
JPS5297390A
JPS5297390A JP1394476A JP1394476A JPS5297390A JP S5297390 A JPS5297390 A JP S5297390A JP 1394476 A JP1394476 A JP 1394476A JP 1394476 A JP1394476 A JP 1394476A JP S5297390 A JPS5297390 A JP S5297390A
Authority
JP
Japan
Prior art keywords
phosphoric acid
sulfate ion
removal
extracted
drugs
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
JP1394476A
Other languages
Japanese (ja)
Other versions
JPS5516090B2 (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 JP1394476A priority Critical patent/JPS5297390A/en
Priority to US05/698,710 priority patent/US4070443A/en
Priority to IL51163A priority patent/IL51163A/en
Priority to GB199/77A priority patent/GB1515261A/en
Priority to MX167626A priority patent/MX144900A/en
Priority to FR7701425A priority patent/FR2340902A1/en
Priority to DE2704545A priority patent/DE2704545C3/en
Priority to IT20192/77A priority patent/IT1075560B/en
Publication of JPS5297390A publication Critical patent/JPS5297390A/en
Publication of JPS5516090B2 publication Critical patent/JPS5516090B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To remove sulfate ion in extracted phosphoric acid whose concentration of H3PO4 is maintained at high level by adding a phosphoric acid solution of Ba compounds to the extracted phosphoric acid so as to obtain phosphoric acid which can be used for industrial chemicals, drugs, food or the like.
COPYRIGHT: (C)1977,JPO&Japio
JP1394476A 1976-02-13 1976-02-13 Removal of sulfate ion in phosphoric acid Granted JPS5297390A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP1394476A JPS5297390A (en) 1976-02-13 1976-02-13 Removal of sulfate ion in phosphoric acid
US05/698,710 US4070443A (en) 1976-02-13 1976-06-22 Process for removing sulfate ions from extracted phosphoric acid with a barium compound
IL51163A IL51163A (en) 1976-02-13 1976-12-27 Process for preparing pure phosphoric acid
GB199/77A GB1515261A (en) 1976-02-13 1977-01-05 Process for preparing pure phosphoric acid
MX167626A MX144900A (en) 1976-02-13 1977-01-07 IMPROVED METHOD FOR PREPARING PURE PHOSPHORIC ACID
FR7701425A FR2340902A1 (en) 1976-02-13 1977-01-19 PROCESS FOR PREPARING PURE PHOSPHORIC ACID
DE2704545A DE2704545C3 (en) 1976-02-13 1977-02-03 Process for the removal of sulphates from an extraction-purified phosphoric acid
IT20192/77A IT1075560B (en) 1976-02-13 1977-02-11 PROCEDURE FOR THE PREPARATION OF PURE PHOSPHORIC ACID

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1394476A JPS5297390A (en) 1976-02-13 1976-02-13 Removal of sulfate ion in phosphoric acid

Publications (2)

Publication Number Publication Date
JPS5297390A true JPS5297390A (en) 1977-08-16
JPS5516090B2 JPS5516090B2 (en) 1980-04-28

Family

ID=11847307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1394476A Granted JPS5297390A (en) 1976-02-13 1976-02-13 Removal of sulfate ion in phosphoric acid

Country Status (1)

Country Link
JP (1) JPS5297390A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5113940A (en) * 1974-07-25 1976-02-03 Susumu Ubukata KADENRYUKEIDENSOCHI

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5113940A (en) * 1974-07-25 1976-02-03 Susumu Ubukata KADENRYUKEIDENSOCHI

Also Published As

Publication number Publication date
JPS5516090B2 (en) 1980-04-28

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