JPS5297388A - Removal of sulfate ion in extracted phosphoric acid - Google Patents

Removal of sulfate ion in extracted phosphoric acid

Info

Publication number
JPS5297388A
JPS5297388A JP1394276A JP1394276A JPS5297388A JP S5297388 A JPS5297388 A JP S5297388A JP 1394276 A JP1394276 A JP 1394276A JP 1394276 A JP1394276 A JP 1394276A JP S5297388 A JPS5297388 A JP S5297388A
Authority
JP
Japan
Prior art keywords
phosphoric acid
sulfate ion
removal
extracted phosphoric
extracted
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
JP1394276A
Other languages
Japanese (ja)
Other versions
JPS5412280B2 (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 JP1394276A priority Critical patent/JPS5297388A/en
Publication of JPS5297388A publication Critical patent/JPS5297388A/en
Publication of JPS5412280B2 publication Critical patent/JPS5412280B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Removal Of Specific Substances (AREA)

Abstract

PURPOSE: To easily filter formed BaSO4 by maintaining the concentration of phosphoric acid in extracted phosphoric acid at high level, adjusting the concentration of dissolved sulfate ion to a fixed value by adding Ba compounds, and contacting the extracted phosphoric acid with H2S.
COPYRIGHT: (C)1977,JPO&Japio
JP1394276A 1976-02-13 1976-02-13 Removal of sulfate ion in extracted phosphoric acid Granted JPS5297388A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1394276A JPS5297388A (en) 1976-02-13 1976-02-13 Removal of sulfate ion in extracted phosphoric acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1394276A JPS5297388A (en) 1976-02-13 1976-02-13 Removal of sulfate ion in extracted phosphoric acid

Publications (2)

Publication Number Publication Date
JPS5297388A true JPS5297388A (en) 1977-08-16
JPS5412280B2 JPS5412280B2 (en) 1979-05-22

Family

ID=11847250

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1394276A Granted JPS5297388A (en) 1976-02-13 1976-02-13 Removal of sulfate ion in extracted phosphoric acid

Country Status (1)

Country Link
JP (1) JPS5297388A (en)

Also Published As

Publication number Publication date
JPS5412280B2 (en) 1979-05-22

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