JPS547761A - Method of purifying fluorine containing waste water - Google Patents

Method of purifying fluorine containing waste water

Info

Publication number
JPS547761A
JPS547761A JP7364977A JP7364977A JPS547761A JP S547761 A JPS547761 A JP S547761A JP 7364977 A JP7364977 A JP 7364977A JP 7364977 A JP7364977 A JP 7364977A JP S547761 A JPS547761 A JP S547761A
Authority
JP
Japan
Prior art keywords
waste water
containing waste
fluorine containing
purifying fluorine
fluorine
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
JP7364977A
Other languages
Japanese (ja)
Inventor
Mitsusaku Otsubo
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.)
Hitachi Ltd
Original Assignee
Hitachi Plant Engineering and Construction 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 Hitachi Plant Engineering and Construction Co Ltd filed Critical Hitachi Plant Engineering and Construction Co Ltd
Priority to JP7364977A priority Critical patent/JPS547761A/en
Publication of JPS547761A publication Critical patent/JPS547761A/en
Pending legal-status Critical Current

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  • Removal Of Specific Substances (AREA)

Abstract

PURPOSE: To purify fluorine containing waste water economically without forming a large amoun tof sludge, by adding calcium salt of a weight equivalent to the amount of fluorine into fluorine containing waste water, pH of which is adjusted at 1-7, and then adjusting its pH at 8-11 with addition of slaked lime.
COPYRIGHT: (C)1979,JPO&Japio
JP7364977A 1977-06-20 1977-06-20 Method of purifying fluorine containing waste water Pending JPS547761A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7364977A JPS547761A (en) 1977-06-20 1977-06-20 Method of purifying fluorine containing waste water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7364977A JPS547761A (en) 1977-06-20 1977-06-20 Method of purifying fluorine containing waste water

Publications (1)

Publication Number Publication Date
JPS547761A true JPS547761A (en) 1979-01-20

Family

ID=13524335

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7364977A Pending JPS547761A (en) 1977-06-20 1977-06-20 Method of purifying fluorine containing waste water

Country Status (1)

Country Link
JP (1) JPS547761A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6125690A (en) * 1984-07-13 1986-02-04 Hitachi Plant Eng & Constr Co Ltd Treatment of waste water containing fluorine along with ammonium salt
WO2013054875A1 (en) * 2011-10-13 2013-04-18 セントラル硝子株式会社 Method for processing wastewater containing fluorophosphate compounds

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551332A (en) * 1969-06-16 1970-12-29 Int Minerals & Chem Corp Purification of fluorine-containing industrial waste waters

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551332A (en) * 1969-06-16 1970-12-29 Int Minerals & Chem Corp Purification of fluorine-containing industrial waste waters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6125690A (en) * 1984-07-13 1986-02-04 Hitachi Plant Eng & Constr Co Ltd Treatment of waste water containing fluorine along with ammonium salt
WO2013054875A1 (en) * 2011-10-13 2013-04-18 セントラル硝子株式会社 Method for processing wastewater containing fluorophosphate compounds

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