JPS56144792A - Disposal of fluorine-containing waste water - Google Patents
Disposal of fluorine-containing waste waterInfo
- Publication number
- JPS56144792A JPS56144792A JP4869680A JP4869680A JPS56144792A JP S56144792 A JPS56144792 A JP S56144792A JP 4869680 A JP4869680 A JP 4869680A JP 4869680 A JP4869680 A JP 4869680A JP S56144792 A JPS56144792 A JP S56144792A
- Authority
- JP
- Japan
- Prior art keywords
- waste water
- sulfate
- liquid separation
- solid
- calcium fluoride
- 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
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)
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)
| 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)
| 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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