JPS5297390A - Removal of sulfate ion in phosphoric acid - Google Patents
Removal of sulfate ion in phosphoric acidInfo
- 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
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
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5113940A (en) * | 1974-07-25 | 1976-02-03 | Susumu Ubukata | KADENRYUKEIDENSOCHI |
-
1976
- 1976-02-13 JP JP1394476A patent/JPS5297390A/en active Granted
Patent Citations (1)
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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