JP2019122961A - 排水処理装置及び排水処理方法 - Google Patents
排水処理装置及び排水処理方法 Download PDFInfo
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- JP2019122961A JP2019122961A JP2019086327A JP2019086327A JP2019122961A JP 2019122961 A JP2019122961 A JP 2019122961A JP 2019086327 A JP2019086327 A JP 2019086327A JP 2019086327 A JP2019086327 A JP 2019086327A JP 2019122961 A JP2019122961 A JP 2019122961A
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- Prior art keywords
- fluorine
- solid
- aluminum
- sulfate
- waste water
- 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.)
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 78
- 239000011737 fluorine Substances 0.000 claims abstract description 162
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 162
- 239000007788 liquid Substances 0.000 claims abstract description 138
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 78
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 78
- 238000000926 separation method Methods 0.000 claims abstract description 78
- 239000007787 solid Substances 0.000 claims abstract description 77
- 239000002351 wastewater Substances 0.000 claims abstract description 74
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 73
- 239000000701 coagulant Substances 0.000 claims abstract description 59
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims abstract 10
- 239000000203 mixture Substances 0.000 claims description 50
- 239000011259 mixed solution Substances 0.000 claims description 12
- 238000010979 pH adjustment Methods 0.000 claims 1
- 239000010802 sludge Substances 0.000 abstract description 25
- 244000144992 flock Species 0.000 abstract description 11
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 152
- 239000003814 drug Substances 0.000 description 24
- 229940079593 drug Drugs 0.000 description 22
- 238000010992 reflux Methods 0.000 description 22
- 239000011575 calcium Substances 0.000 description 20
- 239000003795 chemical substances by application Substances 0.000 description 18
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 14
- 230000002378 acidificating effect Effects 0.000 description 14
- 229910052791 calcium Inorganic materials 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 12
- 229920000642 polymer Polymers 0.000 description 12
- 239000000126 substance Substances 0.000 description 12
- 238000011144 upstream manufacturing Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 10
- 238000000975 co-precipitation Methods 0.000 description 10
- 238000001179 sorption measurement Methods 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 239000000243 solution Substances 0.000 description 9
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 8
- 238000007599 discharging Methods 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 229910001634 calcium fluoride Inorganic materials 0.000 description 6
- 238000005345 coagulation Methods 0.000 description 6
- 230000015271 coagulation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 229910052602 gypsum Inorganic materials 0.000 description 6
- 239000010440 gypsum Substances 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 238000004220 aggregation Methods 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 4
- 235000019341 magnesium sulphate Nutrition 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- -1 sulfate compound Chemical class 0.000 description 4
- 229910052785 arsenic Inorganic materials 0.000 description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 229920006318 anionic polymer Polymers 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000011284 combination treatment Methods 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- BMSYAGRCQOYYMZ-UHFFFAOYSA-N [As].[As] Chemical compound [As].[As] BMSYAGRCQOYYMZ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
Abstract
Description
Claims (3)
- 硫酸塩含有排水からフッ素を除去する排水処理装置において、
前記硫酸塩含有排水とアルミ系無機凝集剤とを混合する混合部と、
前記混合部で混合された混合液を固液分離する固液分離部と、
前記固液分離部で固液分離して得た固形分を前記混合部に供給するための供給手段と、
を備える排水処理装置。 - 前記混合部は、pHを調整するpH調整手段を有する請求項1に記載の排水処理装置。
- 硫酸塩含有排水からフッ素を除去する排水処理方法において、
前記硫酸塩含有排水とアルミ系無機凝集剤とを混合部で混合し、
前記混合部で混合された混合液を固液分離部で固液分離し、
前記固液分離部で固液分離して得た固形分を前記混合部に供給する排水処理方法。
Priority Applications (1)
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JP2019086327A JP7202250B2 (ja) | 2019-04-26 | 2019-04-26 | 排水処理装置及び排水処理方法 |
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JP2019086327A JP7202250B2 (ja) | 2019-04-26 | 2019-04-26 | 排水処理装置及び排水処理方法 |
Related Parent Applications (1)
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JP2015068766A Division JP6826806B2 (ja) | 2015-03-30 | 2015-03-30 | 排水処理装置及び排水処理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019122961A true JP2019122961A (ja) | 2019-07-25 |
JP7202250B2 JP7202250B2 (ja) | 2023-01-11 |
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JP2019086327A Active JP7202250B2 (ja) | 2019-04-26 | 2019-04-26 | 排水処理装置及び排水処理方法 |
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JP (1) | JP7202250B2 (ja) |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4159246A (en) * | 1975-09-10 | 1979-06-26 | Kohei Deguchi | Removal of fluorine from water |
JPS5622627A (en) * | 1979-07-27 | 1981-03-03 | Sumitomo Metal Mining Co Ltd | Purifying method for fluorine impurity-containing sodium sulfate |
JPS6097091A (ja) * | 1983-10-31 | 1985-05-30 | Kurita Water Ind Ltd | フツ化物イオン含有水の処理方法 |
JPH0857498A (ja) * | 1994-08-26 | 1996-03-05 | Sharp Corp | 排水処理装置および排水処理方法 |
JP2003126866A (ja) * | 2001-10-29 | 2003-05-07 | Mitsubishi Heavy Ind Ltd | 排水中フッ素の除去方法およびそのシステム |
JP2003145170A (ja) * | 2001-11-09 | 2003-05-20 | Misuzu Kogyo:Kk | フッ素含有排水の処理方法およびフッ素含有排水の処理装置 |
JP2003340210A (ja) * | 2002-05-28 | 2003-12-02 | Japan Organo Co Ltd | ろ過装置の洗浄方法 |
JP2004299962A (ja) * | 2003-03-31 | 2004-10-28 | Central Res Inst Of Electric Power Ind | 石こう中のフッ素の除去方法 |
JP2005125153A (ja) * | 2003-10-21 | 2005-05-19 | Kurita Water Ind Ltd | フッ素含有排水の処理方法及び処理装置 |
JP2009241011A (ja) * | 2008-03-31 | 2009-10-22 | Daikin Ind Ltd | フッ素含有排水の処理方法 |
JP2010075928A (ja) * | 2009-11-27 | 2010-04-08 | Kurita Water Ind Ltd | フッ素含有排水の処理方法及び処理装置 |
JP2012106226A (ja) * | 2010-10-29 | 2012-06-07 | Mitsubishi Materials Corp | 有害物質含有水の処理方法および処理装置。 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6097091B2 (ja) | 2013-02-15 | 2017-03-15 | 出光興産株式会社 | ポリカーボネート樹脂組成物、成形体及び成形体の製造方法 |
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- 2019-04-26 JP JP2019086327A patent/JP7202250B2/ja active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4159246A (en) * | 1975-09-10 | 1979-06-26 | Kohei Deguchi | Removal of fluorine from water |
JPS5622627A (en) * | 1979-07-27 | 1981-03-03 | Sumitomo Metal Mining Co Ltd | Purifying method for fluorine impurity-containing sodium sulfate |
JPS6097091A (ja) * | 1983-10-31 | 1985-05-30 | Kurita Water Ind Ltd | フツ化物イオン含有水の処理方法 |
JPH0857498A (ja) * | 1994-08-26 | 1996-03-05 | Sharp Corp | 排水処理装置および排水処理方法 |
JP2003126866A (ja) * | 2001-10-29 | 2003-05-07 | Mitsubishi Heavy Ind Ltd | 排水中フッ素の除去方法およびそのシステム |
JP2003145170A (ja) * | 2001-11-09 | 2003-05-20 | Misuzu Kogyo:Kk | フッ素含有排水の処理方法およびフッ素含有排水の処理装置 |
JP2003340210A (ja) * | 2002-05-28 | 2003-12-02 | Japan Organo Co Ltd | ろ過装置の洗浄方法 |
JP2004299962A (ja) * | 2003-03-31 | 2004-10-28 | Central Res Inst Of Electric Power Ind | 石こう中のフッ素の除去方法 |
JP2005125153A (ja) * | 2003-10-21 | 2005-05-19 | Kurita Water Ind Ltd | フッ素含有排水の処理方法及び処理装置 |
JP2009241011A (ja) * | 2008-03-31 | 2009-10-22 | Daikin Ind Ltd | フッ素含有排水の処理方法 |
JP2010075928A (ja) * | 2009-11-27 | 2010-04-08 | Kurita Water Ind Ltd | フッ素含有排水の処理方法及び処理装置 |
JP2012106226A (ja) * | 2010-10-29 | 2012-06-07 | Mitsubishi Materials Corp | 有害物質含有水の処理方法および処理装置。 |
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