JPH0461712B2 - - Google Patents
Info
- Publication number
- JPH0461712B2 JPH0461712B2 JP7685788A JP7685788A JPH0461712B2 JP H0461712 B2 JPH0461712 B2 JP H0461712B2 JP 7685788 A JP7685788 A JP 7685788A JP 7685788 A JP7685788 A JP 7685788A JP H0461712 B2 JPH0461712 B2 JP H0461712B2
- Authority
- JP
- Japan
- Prior art keywords
- arsenic
- concentration
- wastewater
- added
- liquid separation
- 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
- 239000002351 wastewater Substances 0.000 claims description 25
- 229910052785 arsenic Inorganic materials 0.000 claims description 21
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 150000003839 salts Chemical class 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 9
- 229910052733 gallium Inorganic materials 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims 1
- 239000006228 supernatant Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 5
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229960004887 ferric hydroxide Drugs 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 229910021513 gallium hydroxide Inorganic materials 0.000 description 1
- DNUARHPNFXVKEI-UHFFFAOYSA-K gallium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Ga+3] DNUARHPNFXVKEI-UHFFFAOYSA-K 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
- Removal Of Specific Substances (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7685788A JPH01249187A (ja) | 1988-03-30 | 1988-03-30 | ガリウム及び砒素を含む廃水の浄化処理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7685788A JPH01249187A (ja) | 1988-03-30 | 1988-03-30 | ガリウム及び砒素を含む廃水の浄化処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01249187A JPH01249187A (ja) | 1989-10-04 |
| JPH0461712B2 true JPH0461712B2 (enrdf_load_stackoverflow) | 1992-10-01 |
Family
ID=13617322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7685788A Granted JPH01249187A (ja) | 1988-03-30 | 1988-03-30 | ガリウム及び砒素を含む廃水の浄化処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01249187A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4591641B2 (ja) * | 2000-12-05 | 2010-12-01 | Ｎｅｃファシリティーズ株式会社 | 濃厚無機成分含有排水の水酸化鉄凝集沈澱処理方法 |
| JP4072323B2 (ja) * | 2001-04-27 | 2008-04-09 | シャープ株式会社 | ガリウム砒素含有排水の処理方法およびガリウム砒素含有排水の処理装置 |
| JP4973902B2 (ja) * | 2001-06-19 | 2012-07-11 | 栗田工業株式会社 | ガリウム含有廃水の処理方法及び該方法に用いる装置 |
| JP4973901B2 (ja) * | 2001-06-19 | 2012-07-11 | 栗田工業株式会社 | ガリウム含有廃水の処理方法 |
| JP2003001275A (ja) * | 2001-06-19 | 2003-01-07 | Kurita Water Ind Ltd | ガリウム−ヒ素含有廃水の処理装置 |
-
1988
- 1988-03-30 JP JP7685788A patent/JPH01249187A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01249187A (ja) | 1989-10-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |