JPH0355199B2 - - Google Patents
Info
- Publication number
- JPH0355199B2 JPH0355199B2 JP58187678A JP18767883A JPH0355199B2 JP H0355199 B2 JPH0355199 B2 JP H0355199B2 JP 58187678 A JP58187678 A JP 58187678A JP 18767883 A JP18767883 A JP 18767883A JP H0355199 B2 JPH0355199 B2 JP H0355199B2
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- leg
- sewage
- flow
- oxygen
- 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 84
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 64
- 239000001301 oxygen Substances 0.000 claims description 64
- 229910052760 oxygen Inorganic materials 0.000 claims description 64
- 239000010865 sewage Substances 0.000 claims description 58
- 239000007789 gas Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 25
- 230000005484 gravity Effects 0.000 claims description 18
- 230000001706 oxygenating effect Effects 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 16
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 12
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 241000894006 Bacteria Species 0.000 claims description 9
- 230000002950 deficient Effects 0.000 claims description 9
- 238000004090 dissolution Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 5
- 230000019086 sulfide ion homeostasis Effects 0.000 claims description 5
- 230000001580 bacterial effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 238000006213 oxygenation reaction Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 150000003568 thioethers Chemical class 0.000 description 3
- 239000006200 vaporizer Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- -1 hydrogen sulfide Chemical class 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000010801 sewage sludge Substances 0.000 description 2
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1278—Provisions for mixing or aeration of the mixed liquor
- C02F3/1289—Aeration by saturation under super-atmospheric pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/22—Activated sludge processes using circulation pipes
- C02F3/223—Activated sludge processes using circulation pipes using "air-lift"
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Activated Sludge Processes (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08228672A GB2128175B (en) | 1982-10-07 | 1982-10-07 | Method and apparatus for treating sewage |
| GB28672 | 1982-10-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59130600A JPS59130600A (ja) | 1984-07-27 |
| JPH0355199B2 true JPH0355199B2 (de) | 1991-08-22 |
Family
ID=10533452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58187678A Granted JPS59130600A (ja) | 1982-10-07 | 1983-10-06 | 下水汚泥処理方法及び装置 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS59130600A (de) |
| AU (1) | AU1993083A (de) |
| BR (1) | BR8305538A (de) |
| GB (1) | GB2128175B (de) |
| ZA (1) | ZA837120B (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200052821A (ko) | 2018-11-07 | 2020-05-15 | 가부시키가이샤 쿄교쿠엔지니어링 | 하수처리 시스템 |
| EP3653588A1 (de) | 2018-11-07 | 2020-05-20 | Kyogyoku Engineering Co., Ltd. | Abwasserbehandlungssystem |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3524029A1 (de) * | 1985-07-05 | 1987-01-08 | Linde Ag | Verfahren und vorrichtung zum behandeln von abwasser in wasserspeichern |
| JPS63294995A (ja) * | 1987-05-27 | 1988-12-01 | Hitachi Kiden Kogyo Ltd | ビル用排水槽等における悪臭防止方法 |
| GB2259913B (en) * | 1988-06-08 | 1993-09-29 | Campbell Elisabeth Mary | Device for circulation and gas exchange in liquids |
| GB8813468D0 (en) * | 1988-06-08 | 1988-07-13 | Campbell E M | Device for circulation & gas exchange in liquids |
| JPH02133213A (ja) * | 1988-11-14 | 1990-05-22 | Atsugi Unisia Corp | 悪路検出装置 |
| CA2101670A1 (en) * | 1992-08-17 | 1994-02-18 | Michael Ernest Garrett | Treatment of liquids |
| GB2402047B (en) * | 2003-05-29 | 2006-07-19 | Dyson Ltd | A cleaning head |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1452961A (en) * | 1973-01-08 | 1976-10-20 | Boc International Ltd | Sewage treatment |
| GB1591104A (en) * | 1976-11-18 | 1981-06-17 | Boc Ltd | Treatment of sewage in a sewer by oxygenation |
| GB1593253A (en) * | 1976-08-24 | 1981-07-15 | Boc Ltd | Biological treatment of aqueous waste material with oxygen |
-
1982
- 1982-10-07 GB GB08228672A patent/GB2128175B/en not_active Expired
-
1983
- 1983-09-23 ZA ZA837120A patent/ZA837120B/xx unknown
- 1983-10-06 AU AU19930/83A patent/AU1993083A/en not_active Abandoned
- 1983-10-06 BR BR8305538A patent/BR8305538A/pt unknown
- 1983-10-06 JP JP58187678A patent/JPS59130600A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200052821A (ko) | 2018-11-07 | 2020-05-15 | 가부시키가이샤 쿄교쿠엔지니어링 | 하수처리 시스템 |
| EP3653588A1 (de) | 2018-11-07 | 2020-05-20 | Kyogyoku Engineering Co., Ltd. | Abwasserbehandlungssystem |
| EP4137464A1 (de) | 2018-11-07 | 2023-02-22 | Kyogyoku Engineering Co., Ltd. | Abwasserbehandlungssystem |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2128175A (en) | 1984-04-26 |
| AU1993083A (en) | 1984-04-12 |
| ZA837120B (en) | 1984-05-30 |
| BR8305538A (pt) | 1984-05-15 |
| GB2128175B (en) | 1986-07-16 |
| JPS59130600A (ja) | 1984-07-27 |
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