JPS5388691A - Phosphoric acid decoloring method - Google Patents

Phosphoric acid decoloring method

Info

Publication number
JPS5388691A
JPS5388691A JP250577A JP250577A JPS5388691A JP S5388691 A JPS5388691 A JP S5388691A JP 250577 A JP250577 A JP 250577A JP 250577 A JP250577 A JP 250577A JP S5388691 A JPS5388691 A JP S5388691A
Authority
JP
Japan
Prior art keywords
phosphoric acid
matter
acid
decoloring method
acid decoloring
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
JP250577A
Other languages
Japanese (ja)
Other versions
JPS5731524B2 (en
Inventor
Hiromi Sasaki
Masami Nakamura
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.)
Central Glass Co Ltd
Original Assignee
Central Glass 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 Central Glass Co Ltd filed Critical Central Glass Co Ltd
Priority to JP250577A priority Critical patent/JPS5388691A/en
Publication of JPS5388691A publication Critical patent/JPS5388691A/en
Publication of JPS5731524B2 publication Critical patent/JPS5731524B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To obtain high purity phosporic acid cong. little impurities as well as coloring matter by heating wet process phosphoeic acid under press. so as to cstbonize org. matter in the acid and separating the carboniaed matter after cooling.
COPYRIGHT: (C)1978,JPO&Japio
JP250577A 1977-01-14 1977-01-14 Phosphoric acid decoloring method Granted JPS5388691A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP250577A JPS5388691A (en) 1977-01-14 1977-01-14 Phosphoric acid decoloring method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP250577A JPS5388691A (en) 1977-01-14 1977-01-14 Phosphoric acid decoloring method

Publications (2)

Publication Number Publication Date
JPS5388691A true JPS5388691A (en) 1978-08-04
JPS5731524B2 JPS5731524B2 (en) 1982-07-05

Family

ID=11531209

Family Applications (1)

Application Number Title Priority Date Filing Date
JP250577A Granted JPS5388691A (en) 1977-01-14 1977-01-14 Phosphoric acid decoloring method

Country Status (1)

Country Link
JP (1) JPS5388691A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5488897A (en) * 1977-09-29 1979-07-14 Triomf Fertilizer Ltd Treatment of phosphoric acid
US4495165A (en) * 1983-10-03 1985-01-22 Gurza Guillermo R Method of purification of phosphoric acid

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5488897A (en) * 1977-09-29 1979-07-14 Triomf Fertilizer Ltd Treatment of phosphoric acid
JPS5919046B2 (en) * 1977-09-29 1984-05-02 トリオムフ・フア−チライザ−（プロプライアタリイ）リミテツド Phosphoric acid treatment method
US4495165A (en) * 1983-10-03 1985-01-22 Gurza Guillermo R Method of purification of phosphoric acid

Also Published As

Publication number Publication date
JPS5731524B2 (en) 1982-07-05

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