JPH11513306A - 高汚泥濃度における生物学的廃水処理 - Google Patents
高汚泥濃度における生物学的廃水処理Info
- Publication number
- JPH11513306A JPH11513306A JP51468997A JP51468997A JPH11513306A JP H11513306 A JPH11513306 A JP H11513306A JP 51468997 A JP51468997 A JP 51468997A JP 51468997 A JP51468997 A JP 51468997A JP H11513306 A JPH11513306 A JP H11513306A
- Authority
- JP
- Japan
- Prior art keywords
- wastewater
- flotation
- activated sludge
- treated
- gas
- 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.)
- Withdrawn
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 44
- 238000004065 wastewater treatment Methods 0.000 title abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 39
- 239000002351 wastewater Substances 0.000 claims abstract description 31
- 238000005188 flotation Methods 0.000 claims abstract description 30
- 230000004913 activation Effects 0.000 claims abstract description 27
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000000725 suspension Substances 0.000 claims description 8
- 238000000746 purification Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000007787 solid Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002689 soil Substances 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1431—Dissolved air flotation machines
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Physical Water Treatments (AREA)
- Activated Sludge Processes (AREA)
- Treatment Of Sludge (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 活性汚泥と廃水との混合物を活性化段階においてガスで処理し、活性汚 泥を浮上分離法により処理済み廃水から分離する方法であり、ここで、活性化段 階における活性汚泥の濃度が≧6g/lであり、浮上分離法が圧力除去浮上分離法で ある、廃水の生物学的浄化法。 2. 活性化段階中の活性汚泥濃度が≧8g/l、好ましくは≧10g/l、特に好ま しくは≧12g/lである請求の範囲第1項に記載の方法。 3. 浮上分離法に向けるために連行しようとしているサスペンションが泡上 昇の自然方向に対抗して流速≦0.3m/秒で導かれ、サスペンションをこの行程中 にガス処理装置によりさらにガスで処理し、ガス処理装置の底部においてガス処 理済みサスペンションを連れ去り、浮上分離に供給する、請求の範囲第1項また は2項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19537698.6 | 1995-10-11 | ||
DE19537698A DE19537698A1 (de) | 1995-10-11 | 1995-10-11 | Biologische Abwasserreinigung bei hohen Schlammkonzentrationen |
PCT/EP1996/004326 WO1997013726A1 (de) | 1995-10-11 | 1996-10-04 | Biologische abwasserbehandlung bei hohen schlammkonzentrationen |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH11513306A true JPH11513306A (ja) | 1999-11-16 |
Family
ID=7774480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51468997A Withdrawn JPH11513306A (ja) | 1995-10-11 | 1996-10-04 | 高汚泥濃度における生物学的廃水処理 |
Country Status (16)
Country | Link |
---|---|
US (1) | US6048460A (ja) |
EP (1) | EP0854844B1 (ja) |
JP (1) | JPH11513306A (ja) |
KR (1) | KR19990064150A (ja) |
CN (1) | CN1199386A (ja) |
AT (1) | ATE194134T1 (ja) |
AU (1) | AU709254B2 (ja) |
BR (1) | BR9611038A (ja) |
CA (1) | CA2234559A1 (ja) |
DE (2) | DE19537698A1 (ja) |
ES (1) | ES2150142T3 (ja) |
HU (1) | HUP9903415A2 (ja) |
ID (1) | ID16328A (ja) |
PT (1) | PT854844E (ja) |
WO (1) | WO1997013726A1 (ja) |
ZA (1) | ZA968549B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5347132B2 (ja) * | 2010-08-12 | 2013-11-20 | 株式会社テクノプラン | 汚泥濃縮方法及び汚泥濃縮システム |
DE102010052191A1 (de) * | 2010-11-24 | 2012-05-24 | Envirochemie Gmbh | Druckentspannungsflotation |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3980556A (en) * | 1974-01-25 | 1976-09-14 | Ontario Research Foundation | Adsorption biooxidation treatment of waste waters to remove contaminants therefrom |
US4085041A (en) * | 1974-12-20 | 1978-04-18 | Fmc Corporation | Biological oxidation and flotation apparatus and method |
JPS603873B2 (ja) * | 1978-03-31 | 1985-01-31 | 東レ株式会社 | 水処理方法 |
JPS6324000Y2 (ja) * | 1979-08-29 | 1988-07-01 | ||
JPS57136994A (en) * | 1981-02-17 | 1982-08-24 | Mitsui Miike Mach Co Ltd | Aeration tank for activated sludge treatment |
DE3340096A1 (de) * | 1983-11-05 | 1985-05-23 | Timm Dipl.-Ing. 8000 München Lessel | Verfahren zum versetzen einer fluessigkeit mit von ihr absorbierbaren gasen und vorrichtung hierfuer |
JPH07100158B2 (ja) * | 1987-06-11 | 1995-11-01 | 晧胤 北島 | 活性汚泥法における高濃度処理方法 |
AU8709491A (en) * | 1991-07-10 | 1993-01-14 | Envirex Inc. | Apparatus for dissolution of gas in liquid |
DE4331927C2 (de) * | 1992-09-17 | 1995-07-13 | Mannesmann Ag | Verfahren zur biochemischen Entfernung von Stickstoff und Phosphor aus Abwasser |
DE4411991A1 (de) * | 1994-04-11 | 1995-10-12 | Hoechst Ag | Verfahren und Vorrichtung zum Abtrennen von suspensierten Stoffen aus Flüssigkeiten |
-
1995
- 1995-10-11 DE DE19537698A patent/DE19537698A1/de not_active Withdrawn
-
1996
- 1996-10-04 ES ES96934542T patent/ES2150142T3/es not_active Expired - Lifetime
- 1996-10-04 CN CN96197579A patent/CN1199386A/zh active Pending
- 1996-10-04 US US09/051,410 patent/US6048460A/en not_active Expired - Fee Related
- 1996-10-04 WO PCT/EP1996/004326 patent/WO1997013726A1/de not_active Application Discontinuation
- 1996-10-04 HU HU9903415A patent/HUP9903415A2/hu unknown
- 1996-10-04 AT AT96934542T patent/ATE194134T1/de not_active IP Right Cessation
- 1996-10-04 CA CA 2234559 patent/CA2234559A1/en not_active Abandoned
- 1996-10-04 KR KR1019980702631A patent/KR19990064150A/ko not_active Application Discontinuation
- 1996-10-04 BR BR9611038A patent/BR9611038A/pt not_active Application Discontinuation
- 1996-10-04 AU AU72855/96A patent/AU709254B2/en not_active Ceased
- 1996-10-04 DE DE59605515T patent/DE59605515D1/de not_active Expired - Fee Related
- 1996-10-04 JP JP51468997A patent/JPH11513306A/ja not_active Withdrawn
- 1996-10-04 PT PT96934542T patent/PT854844E/pt unknown
- 1996-10-04 EP EP19960934542 patent/EP0854844B1/de not_active Expired - Lifetime
- 1996-10-10 ID ID962906A patent/ID16328A/id unknown
- 1996-10-10 ZA ZA9608549A patent/ZA968549B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ID16328A (id) | 1997-09-18 |
AU709254B2 (en) | 1999-08-26 |
AU7285596A (en) | 1997-04-30 |
EP0854844B1 (de) | 2000-06-28 |
HUP9903415A2 (hu) | 2000-12-28 |
CN1199386A (zh) | 1998-11-18 |
WO1997013726A1 (de) | 1997-04-17 |
ATE194134T1 (de) | 2000-07-15 |
MX9802894A (es) | 1998-11-29 |
DE59605515D1 (de) | 2000-08-03 |
BR9611038A (pt) | 1999-07-06 |
EP0854844A1 (de) | 1998-07-29 |
DE19537698A1 (de) | 1997-04-17 |
US6048460A (en) | 2000-04-11 |
ZA968549B (en) | 1998-04-14 |
KR19990064150A (ko) | 1999-07-26 |
ES2150142T3 (es) | 2000-11-16 |
CA2234559A1 (en) | 1997-04-17 |
PT854844E (pt) | 2000-12-29 |
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