JPH0433519B2 - - Google Patents
Info
- Publication number
- JPH0433519B2 JPH0433519B2 JP63181816A JP18181688A JPH0433519B2 JP H0433519 B2 JPH0433519 B2 JP H0433519B2 JP 63181816 A JP63181816 A JP 63181816A JP 18181688 A JP18181688 A JP 18181688A JP H0433519 B2 JPH0433519 B2 JP H0433519B2
- Authority
- JP
- Japan
- Prior art keywords
- tank
- nitrification
- slurry
- biological
- activated sludge
- 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 - Lifetime
Links
- 239000010802 sludge Substances 0.000 claims description 41
- 239000002002 slurry Substances 0.000 claims description 41
- 239000012528 membrane Substances 0.000 claims description 35
- 238000000926 separation method Methods 0.000 claims description 26
- 239000010797 grey water Substances 0.000 claims description 17
- 239000010865 sewage Substances 0.000 claims description 6
- 239000002351 wastewater Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 238000000108 ultra-filtration Methods 0.000 description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 239000010800 human waste Substances 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000005189 flocculation Methods 0.000 description 4
- 230000016615 flocculation Effects 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000009295 crossflow filtration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63181816A JPH0236000A (ja) | 1988-07-22 | 1988-07-22 | 有機性汚水の処理装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63181816A JPH0236000A (ja) | 1988-07-22 | 1988-07-22 | 有機性汚水の処理装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0236000A JPH0236000A (ja) | 1990-02-06 |
| JPH0433519B2 true JPH0433519B2 (fr) | 1992-06-03 |
Family
ID=16107332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63181816A Granted JPH0236000A (ja) | 1988-07-22 | 1988-07-22 | 有機性汚水の処理装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0236000A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05185093A (ja) * | 1992-01-10 | 1993-07-27 | Ngk Insulators Ltd | 膜を用いた浄水方法 |
| JPH0824594A (ja) * | 1994-07-22 | 1996-01-30 | Toto Ltd | 濾過装置の運転方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56129084A (en) * | 1980-03-13 | 1981-10-08 | Ebara Infilco Co Ltd | Disposal of organic waste water containing phosphoric acid |
| JPS60153999A (ja) * | 1984-01-24 | 1985-08-13 | Ebara Infilco Co Ltd | 廃水の処理方法 |
-
1988
- 1988-07-22 JP JP63181816A patent/JPH0236000A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56129084A (en) * | 1980-03-13 | 1981-10-08 | Ebara Infilco Co Ltd | Disposal of organic waste water containing phosphoric acid |
| JPS60153999A (ja) * | 1984-01-24 | 1985-08-13 | Ebara Infilco Co Ltd | 廃水の処理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0236000A (ja) | 1990-02-06 |
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