JPS5261195A - Process for treating washing water of phosphoric acid filter - Google Patents

Process for treating washing water of phosphoric acid filter

Info

Publication number
JPS5261195A
JPS5261195A JP13630475A JP13630475A JPS5261195A JP S5261195 A JPS5261195 A JP S5261195A JP 13630475 A JP13630475 A JP 13630475A JP 13630475 A JP13630475 A JP 13630475A JP S5261195 A JPS5261195 A JP S5261195A
Authority
JP
Japan
Prior art keywords
phosphoric acid
washing water
acid filter
treating washing
filter
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.)
Pending
Application number
JP13630475A
Other languages
Japanese (ja)
Inventor
Toshiharu Miki
Hiromi Kawamoto
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 JP13630475A priority Critical patent/JPS5261195A/en
Publication of JPS5261195A publication Critical patent/JPS5261195A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/18—Carbonates

Abstract

PURPOSE: To remove gypsum in the form of CaCO3 by adding carbonate at pH 8 W 10 to washing water of phosphoric acid filter produced in the process of gypsum separation when producing wet phosphoric acid and to obtain clean treated water which is reusable for washing filter.
COPYRIGHT: (C)1977,JPO&Japio
JP13630475A 1975-11-14 1975-11-14 Process for treating washing water of phosphoric acid filter Pending JPS5261195A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13630475A JPS5261195A (en) 1975-11-14 1975-11-14 Process for treating washing water of phosphoric acid filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13630475A JPS5261195A (en) 1975-11-14 1975-11-14 Process for treating washing water of phosphoric acid filter

Publications (1)

Publication Number Publication Date
JPS5261195A true JPS5261195A (en) 1977-05-20

Family

ID=15172051

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13630475A Pending JPS5261195A (en) 1975-11-14 1975-11-14 Process for treating washing water of phosphoric acid filter

Country Status (1)

Country Link
JP (1) JPS5261195A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5092271A (en) * 1973-12-17 1975-07-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5092271A (en) * 1973-12-17 1975-07-23

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