JPH0512039B2 - - Google Patents
Info
- Publication number
- JPH0512039B2 JPH0512039B2 JP63142715A JP14271588A JPH0512039B2 JP H0512039 B2 JPH0512039 B2 JP H0512039B2 JP 63142715 A JP63142715 A JP 63142715A JP 14271588 A JP14271588 A JP 14271588A JP H0512039 B2 JPH0512039 B2 JP H0512039B2
- Authority
- JP
- Japan
- Prior art keywords
- wastewater
- ions
- added
- ferric
- fluoroapatite
- 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.)
- Expired - Fee Related
Links
- 239000002351 wastewater Substances 0.000 claims description 21
- 229910052731 fluorine Inorganic materials 0.000 claims description 12
- 239000011737 fluorine Substances 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 12
- 229910052587 fluorapatite Inorganic materials 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 10
- 229940043430 calcium compound Drugs 0.000 claims description 9
- 150000001674 calcium compounds Chemical class 0.000 claims description 9
- -1 fluorine ions Chemical class 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 6
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 3
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 3
- 239000001110 calcium chloride Substances 0.000 description 3
- 229910001628 calcium chloride Inorganic materials 0.000 description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 3
- 229910001634 calcium fluoride Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229960004887 ferric hydroxide Drugs 0.000 description 3
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 3
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 2
- 229920006318 anionic polymer Polymers 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229920001577 copolymer Chemical class 0.000 description 2
- 229910001447 ferric ion Inorganic materials 0.000 description 2
- 229910001448 ferrous ion Inorganic materials 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 229920006317 cationic polymer Polymers 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920002717 polyvinylpyridine Polymers 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical class [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Removal Of Specific Substances (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14271588A JPH01310791A (ja) | 1988-06-09 | 1988-06-09 | 廃水の処理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14271588A JPH01310791A (ja) | 1988-06-09 | 1988-06-09 | 廃水の処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01310791A JPH01310791A (ja) | 1989-12-14 |
| JPH0512039B2 true JPH0512039B2 (no) | 1993-02-17 |
Family
ID=15321893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14271588A Granted JPH01310791A (ja) | 1988-06-09 | 1988-06-09 | 廃水の処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01310791A (no) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4525602B2 (ja) * | 2006-01-20 | 2010-08-18 | 栗田工業株式会社 | フッ素含有排水の処理方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5343743A (en) * | 1976-10-01 | 1978-04-20 | Teijin Chem Ltd | Flame-retardant resin composition |
| JPS5384358A (en) * | 1976-12-29 | 1978-07-25 | Daiki Engineering Co | Method of removing phosphorus and iron ion contained in waste water or like |
| JPS59109286A (ja) * | 1982-12-14 | 1984-06-23 | Hitachi Plant Eng & Constr Co Ltd | 廃水の処理方法 |
| JPS60202788A (ja) * | 1984-03-22 | 1985-10-14 | Kurita Water Ind Ltd | フツ素・リン含有廃水の処理装置 |
-
1988
- 1988-06-09 JP JP14271588A patent/JPH01310791A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5343743A (en) * | 1976-10-01 | 1978-04-20 | Teijin Chem Ltd | Flame-retardant resin composition |
| JPS5384358A (en) * | 1976-12-29 | 1978-07-25 | Daiki Engineering Co | Method of removing phosphorus and iron ion contained in waste water or like |
| JPS59109286A (ja) * | 1982-12-14 | 1984-06-23 | Hitachi Plant Eng & Constr Co Ltd | 廃水の処理方法 |
| JPS60202788A (ja) * | 1984-03-22 | 1985-10-14 | Kurita Water Ind Ltd | フツ素・リン含有廃水の処理装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01310791A (ja) | 1989-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |