JP4880509B2 - 排水処理装置 - Google Patents
排水処理装置 Download PDFInfo
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- JP4880509B2 JP4880509B2 JP2007079587A JP2007079587A JP4880509B2 JP 4880509 B2 JP4880509 B2 JP 4880509B2 JP 2007079587 A JP2007079587 A JP 2007079587A JP 2007079587 A JP2007079587 A JP 2007079587A JP 4880509 B2 JP4880509 B2 JP 4880509B2
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- tank
- anaerobic
- water
- treated water
- discharge line
- Prior art date
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- 238000004065 wastewater treatment Methods 0.000 title claims description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 190
- 239000010802 sludge Substances 0.000 claims description 72
- 239000006228 supernatant Substances 0.000 claims description 30
- 238000000926 separation method Methods 0.000 claims description 27
- 238000013461 design Methods 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 15
- 239000005416 organic matter Substances 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 10
- 238000004062 sedimentation Methods 0.000 description 21
- 238000000034 method Methods 0.000 description 20
- 238000001556 precipitation Methods 0.000 description 12
- 239000010865 sewage Substances 0.000 description 10
- 238000001179 sorption measurement Methods 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 6
- 238000012546 transfer Methods 0.000 description 4
- 239000003673 groundwater Substances 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000005413 snowmelt Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000029087 digestion Effects 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010800 human waste Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Description
Claims (2)
- 有機物を含有する被処理水を嫌気処理する嫌気槽と、
前記嫌気槽からの嫌気処理水に含まれる汚泥を沈降させる沈殿槽と、
前記沈殿槽内の嫌気処理水のうち、汚泥の含有量が低減された嫌気処理水の少なくとも一部を排出する第1排出ラインと、沈降した汚泥を含有する残りの嫌気処理水を排出する第2排出ラインと、
前記第2排出ラインからの嫌気処理水を好気処理する好気槽と、
前記好気槽からの好気処理水を分離汚泥と分離処理水とに分離する固液分離槽と、
前記固液分離槽からの分離汚泥の少なくとも一部を前記嫌気槽に返送する返送ラインと、
前記固液分離槽から前記分離処理水を排出する第3排出ラインと、
を備え、
前記第1排出ラインは前記第3排出ラインと連通しており、前記分離処理水とともに前記嫌気処理水の少なくとも一部が前記第3排出ラインを通じて系外に排出されることを特徴とする排水処理装置。 - 前記沈殿槽に導入される嫌気処理水の流量が当該排水処理装置の設計処理量を超えた場合、超過分に相等する量の上澄み水が前記沈殿槽からオーバーフローするとともに、オーバーフローした当該上澄み水が前記嫌気処理水の少なくとも一部として前記第1排出ラインから排出されることを特徴とする、請求項1に記載の排水処理装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007079587A JP4880509B2 (ja) | 2007-03-26 | 2007-03-26 | 排水処理装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007079587A JP4880509B2 (ja) | 2007-03-26 | 2007-03-26 | 排水処理装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008237992A JP2008237992A (ja) | 2008-10-09 |
| JP4880509B2 true JP4880509B2 (ja) | 2012-02-22 |
Family
ID=39909968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007079587A Active JP4880509B2 (ja) | 2007-03-26 | 2007-03-26 | 排水処理装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4880509B2 (ja) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4719323Y1 (ja) * | 1968-06-17 | 1972-07-01 | ||
| JPS5717599B2 (ja) * | 1975-01-28 | 1982-04-12 | ||
| JPS5231565A (en) * | 1975-09-03 | 1977-03-10 | Shimizu Constr Co Ltd | Sewage disposal |
| JPS571491A (en) * | 1980-06-06 | 1982-01-06 | Kurita Water Ind Ltd | Disposal of sewage |
| JPS6048196A (ja) * | 1984-05-07 | 1985-03-15 | Ebara Infilco Co Ltd | 有機性廃液からのリン除去法 |
| JPH0461999A (ja) * | 1990-06-27 | 1992-02-27 | Sanko Seisakusho:Kk | 高濃度有機汚濁廃水処理方法 |
| JPH0471700A (ja) * | 1990-07-13 | 1992-03-06 | Mitsubishi Kakoki Kaisha Ltd | 汚泥処理装置 |
| JP2678123B2 (ja) * | 1992-12-24 | 1997-11-17 | 日本碍子株式会社 | 下水の処理方法 |
-
2007
- 2007-03-26 JP JP2007079587A patent/JP4880509B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008237992A (ja) | 2008-10-09 |
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