JPS56144792A - Disposal of fluorine-containing waste water - Google Patents

Disposal of fluorine-containing waste water

Info

Publication number: JPS56144792A
Authority: JP; Japan
Prior art keywords: waste water; sulfate; liquid separation; solid; calcium fluoride
Prior art date: 1980-04-15
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

JP4869680A

Other languages

English (en)

Inventor

Tadashi Yamazaki

Tadashi Yoshida

Moriyuki Sumiyoshi

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.)

1980-04-15

Filing date

1980-04-15

Publication date

1981-11-11

1980-04-15 Application filed by Hitachi Plant Engineering and Construction Co Ltd filed Critical Hitachi Plant Engineering and Construction Co Ltd

1980-04-15 Priority to JP4869680A priority Critical patent/JPS56144792A/ja

1981-11-11 Publication of JPS56144792A publication Critical patent/JPS56144792A/ja

Status Pending legal-status Critical Current

Links

239000002351 wastewater Substances 0.000 title abstract 8
YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 title abstract 2
229910052731 fluorine Inorganic materials 0.000 title abstract 2
239000011737 fluorine Substances 0.000 title abstract 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 6
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 5
239000007788 liquid Substances 0.000 abstract 5
238000000926 separation method Methods 0.000 abstract 5
WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 abstract 4
229910001634 calcium fluoride Inorganic materials 0.000 abstract 4
208000004434 Calcinosis Diseases 0.000 abstract 1
UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 abstract 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 1
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 1
239000001110 calcium chloride Substances 0.000 abstract 1
229910001628 calcium chloride Inorganic materials 0.000 abstract 1
229940043430 calcium compound Drugs 0.000 abstract 1
150000001674 calcium compounds Chemical class 0.000 abstract 1
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract 1
239000000920 calcium hydroxide Substances 0.000 abstract 1
229910001861 calcium hydroxide Inorganic materials 0.000 abstract 1
235000011116 calcium hydroxide Nutrition 0.000 abstract 1
230000001112 coagulating effect Effects 0.000 abstract 1
238000001914 filtration Methods 0.000 abstract 1
238000010979 pH adjustment Methods 0.000 abstract 1
239000011591 potassium Substances 0.000 abstract 1
229910052700 potassium Inorganic materials 0.000 abstract 1
238000004062 sedimentation Methods 0.000 abstract 1
229910052938 sodium sulfate Inorganic materials 0.000 abstract 1
235000011152 sodium sulphate Nutrition 0.000 abstract 1

Landscapes

Removal Of Specific Substances (AREA)

JP4869680A 1980-04-15 1980-04-15 Disposal of fluorine-containing waste water Pending JPS56144792A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP4869680A JPS56144792A (en)	1980-04-15	1980-04-15	Disposal of fluorine-containing waste water

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP4869680A JPS56144792A (en)	1980-04-15	1980-04-15	Disposal of fluorine-containing waste water

Publications (1)

Publication Number	Publication Date
JPS56144792A true JPS56144792A (en)	1981-11-11

Family

ID=12810467

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP4869680A Pending JPS56144792A (en)	1980-04-15	1980-04-15	Disposal of fluorine-containing waste water

Country Status (1)

Country	Link
JP (1)	JPS56144792A (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0175066A2 (en)	1984-09-18	1986-03-26	Dainippon Screen Mfg., Co., Ltd.	Correction method of color-separated signals
JP2000334470A (ja) *	1999-05-26	2000-12-05	Kurita Water Ind Ltd	フッ素含有廃水の処理方法
JP2001038368A (ja) *	1999-08-02	2001-02-13	Kurita Water Ind Ltd	フッ素含有水の処理方法
JP2001212574A (ja) *	2000-02-02	2001-08-07	Kurita Water Ind Ltd	フッ素含有水の処理方法
EP1716081A4 (en) *	2004-01-21	2010-06-02	Morita Chemical Ind Co Ltd	PROCESS FOR PREPARING CALCIUM FLUORIDE, RE-USE METHOD AND RECYCLING METHOD THEREFOR
CN109956579A (zh) *	2017-12-22	2019-07-02	神华集团有限责任公司	燃煤电厂高盐脱硫废水的预处理方法和系统

1980
- 1980-04-15 JP JP4869680A patent/JPS56144792A/ja active Pending

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0175066A2 (en)	1984-09-18	1986-03-26	Dainippon Screen Mfg., Co., Ltd.	Correction method of color-separated signals
JP2000334470A (ja) *	1999-05-26	2000-12-05	Kurita Water Ind Ltd	フッ素含有廃水の処理方法
JP2001038368A (ja) *	1999-08-02	2001-02-13	Kurita Water Ind Ltd	フッ素含有水の処理方法
JP2001212574A (ja) *	2000-02-02	2001-08-07	Kurita Water Ind Ltd	フッ素含有水の処理方法
EP1716081A4 (en) *	2004-01-21	2010-06-02	Morita Chemical Ind Co Ltd	PROCESS FOR PREPARING CALCIUM FLUORIDE, RE-USE METHOD AND RECYCLING METHOD THEREFOR
CN109956579A (zh) *	2017-12-22	2019-07-02	神华集团有限责任公司	燃煤电厂高盐脱硫废水的预处理方法和系统

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