JPH0315517B2 - - Google Patents
Info
- Publication number
- JPH0315517B2 JPH0315517B2 JP21890083A JP21890083A JPH0315517B2 JP H0315517 B2 JPH0315517 B2 JP H0315517B2 JP 21890083 A JP21890083 A JP 21890083A JP 21890083 A JP21890083 A JP 21890083A JP H0315517 B2 JPH0315517 B2 JP H0315517B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- waste liquid
- calcium carbonate
- calcium
- precipitate
- 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
Links
- 239000007788 liquid Substances 0.000 claims description 23
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 13
- 229960002050 hydrofluoric acid Drugs 0.000 claims description 11
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 5
- 239000011575 calcium Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 230000003472 neutralizing effect Effects 0.000 claims description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 18
- 239000002699 waste material Substances 0.000 description 11
- 229910000019 calcium carbonate Inorganic materials 0.000 description 9
- 239000002244 precipitate Substances 0.000 description 9
- 238000001035 drying Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000006386 neutralization reaction Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229910004261 CaF 2 Inorganic materials 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 1
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
- JZDMNWBZPLJKBT-UHFFFAOYSA-N F.[Zr] Chemical compound F.[Zr] JZDMNWBZPLJKBT-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 description 1
- 229910001632 barium fluoride Inorganic materials 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- -1 hydrofluoric acid Chemical class 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- BFDQRLXGNLZULX-UHFFFAOYSA-N titanium hydrofluoride Chemical compound F.[Ti] BFDQRLXGNLZULX-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Removal Of Specific Substances (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21890083A JPS60110394A (ja) | 1983-11-21 | 1983-11-21 | 弗素系酸含有液の処理法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21890083A JPS60110394A (ja) | 1983-11-21 | 1983-11-21 | 弗素系酸含有液の処理法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60110394A JPS60110394A (ja) | 1985-06-15 |
| JPH0315517B2 true JPH0315517B2 (enrdf_load_html_response) | 1991-03-01 |
Family
ID=16727068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21890083A Granted JPS60110394A (ja) | 1983-11-21 | 1983-11-21 | 弗素系酸含有液の処理法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60110394A (enrdf_load_html_response) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4368249B2 (ja) * | 2004-06-01 | 2009-11-18 | 三洋電機株式会社 | 処理装置およびそれを用いた被処理水の処理方法 |
-
1983
- 1983-11-21 JP JP21890083A patent/JPS60110394A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60110394A (ja) | 1985-06-15 |
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