NO134045B - - Google Patents
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- Publication number
- NO134045B NO134045B NO2724/72A NO272472A NO134045B NO 134045 B NO134045 B NO 134045B NO 2724/72 A NO2724/72 A NO 2724/72A NO 272472 A NO272472 A NO 272472A NO 134045 B NO134045 B NO 134045B
- Authority
- NO
- Norway
- Prior art keywords
- stage
- sludge
- basin
- water
- settling
- Prior art date
Links
- 239000010802 sludge Substances 0.000 claims description 70
- 238000005273 aeration Methods 0.000 claims description 38
- 239000002351 wastewater Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 28
- 238000004062 sedimentation Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 17
- 239000001301 oxygen Substances 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 17
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 230000008021 deposition Effects 0.000 claims description 7
- 238000004176 ammonification Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000004065 wastewater treatment Methods 0.000 claims description 5
- 230000015556 catabolic process Effects 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 claims description 3
- 230000001546 nitrifying effect Effects 0.000 claims description 3
- 235000021317 phosphate Nutrition 0.000 claims description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 3
- 239000010840 domestic wastewater Substances 0.000 claims description 2
- 239000008394 flocculating agent Substances 0.000 claims description 2
- 230000006872 improvement Effects 0.000 claims description 2
- 239000010842 industrial wastewater Substances 0.000 claims description 2
- 150000003868 ammonium compounds Chemical class 0.000 claims 1
- 239000010796 biological waste Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 150000002897 organic nitrogen compounds Chemical class 0.000 claims 1
- 230000001376 precipitating effect Effects 0.000 claims 1
- 239000008213 purified water Substances 0.000 claims 1
- 229910002651 NO3 Inorganic materials 0.000 description 14
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 13
- 230000002349 favourable effect Effects 0.000 description 11
- 241000196324 Embryophyta Species 0.000 description 9
- 241000894006 Bacteria Species 0.000 description 6
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical class [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 4
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 3
- 241000605159 Nitrobacter Species 0.000 description 3
- 241000605122 Nitrosomonas Species 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 159000000014 iron salts Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical class NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- 239000003440 toxic substance Substances 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 235000017517 Tephrosia purpurea Nutrition 0.000 description 1
- 240000004429 Tephrosia purpurea Species 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Chemical class 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 239000000852 hydrogen donor Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- -1 nitrate ions Chemical class 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring 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
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
-
- 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
- C02F3/1205—Particular type of activated sludge processes
- C02F3/121—Multistep treatment
-
- 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
- C02F3/30—Aerobic and anaerobic processes
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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)
- Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Water Supply & Treatment (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Biodiversity & Conservation Biology (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Activated Sludge Processes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1703071 | 1971-11-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO134045B true NO134045B (da) | 1976-05-03 |
| NO134045C NO134045C (da) | 1976-08-11 |
Family
ID=4422226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO272472A NO134045C (da) | 1971-11-23 | 1972-07-28 |
Country Status (19)
| Country | Link |
|---|---|
| JP (1) | JPS5643797B2 (da) |
| AT (1) | AT318503B (da) |
| BE (1) | BE787184A (da) |
| BR (1) | BR7205090D0 (da) |
| CA (1) | CA986627A (da) |
| CH (1) | CH547235A (da) |
| DE (1) | DE2233801B2 (da) |
| DK (1) | DK141868B (da) |
| ES (1) | ES405822A1 (da) |
| FI (1) | FI55824C (da) |
| FR (1) | FR2160799B1 (da) |
| GB (1) | GB1406839A (da) |
| IE (1) | IE36689B1 (da) |
| IL (1) | IL40289A (da) |
| IT (1) | IT962707B (da) |
| NL (1) | NL7208783A (da) |
| NO (1) | NO134045C (da) |
| SE (1) | SE374340B (da) |
| ZA (1) | ZA726121B (da) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2426672C3 (de) * | 1974-06-01 | 1980-04-24 | Bayer Ag, 5090 Leverkusen | Verfahren zur Rekoagulation von Belebtschlammflocken und hierfür geeigneter Rekoagulator |
| JPS5161178A (da) * | 1974-11-22 | 1976-05-27 | Maruzen Oil Co Ltd | |
| US3994802A (en) * | 1975-04-16 | 1976-11-30 | Air Products And Chemicals, Inc. | Removal of BOD and nitrogenous pollutants from wastewaters |
| SE405351C (sv) * | 1975-04-25 | 1987-11-16 | Svenska Sockerfabriks Ab | Forfarande for biologisk rening av kolhydrat- och/eller proteinrikt avloppsvatten |
| JPS51127570A (en) * | 1975-04-28 | 1976-11-06 | Sumitomo Chem Co Ltd | Method for treating waste water containing nitrate nitrogen and/or nit rite nitrogen |
| CH621751A5 (en) * | 1976-09-24 | 1981-02-27 | Attisholz Cellulose | Process for the biochemical purification of waste water containing organic constituents which favour the undesirable development of filamentous bacteria and/or the formation of bulking sludge |
| JPS53125359A (en) * | 1977-04-06 | 1978-11-01 | Niigata Eng Co Ltd | Method of removing nitrogen in waste water by non woven web plate |
| DE2803759C3 (de) * | 1978-01-28 | 1983-01-13 | Böhnke, Botho, Prof. Dr.-Ing. | Zweistufige Anlage für die Aufbereitung von Abwasser nach dem Belebtschlammverfahren |
| DE2909168C2 (de) * | 1979-03-08 | 1983-10-27 | August Dr.-Ing. Schreiber | Verfahren und Einrichtung zur aeroben und anaeroben Behandlung von Abwasser |
| DE2918950A1 (de) * | 1979-05-10 | 1980-11-20 | Linde Ag | Verfahren und vorrichtung zur nitrifikation und denitrifikation von abwaessern |
| DE3002604A1 (de) * | 1980-01-25 | 1981-07-30 | Basf Ag, 6700 Ludwigshafen | Verfahren und vorrichtung zur biologischen reinigung von abwasser |
| DE3206527A1 (de) * | 1982-02-24 | 1983-09-01 | Linde Ag, 6200 Wiesbaden | Verfahren und vorrichtung zur biologischen nitrifikation von abwasser |
| AT396684B (de) * | 1991-08-06 | 1993-11-25 | Norbert Dipl Ing Dr Te Matsche | Belebtschlammverfahren zur reinigung von abwasser |
| US5447633A (en) * | 1991-08-06 | 1995-09-05 | Austrian Energy & Environment Sgp/Waagner Biro Gmbh | Activated sludge process for sewage purification |
| AT397382B (de) * | 1992-01-14 | 1994-03-25 | Ingerle Kurt Dipl Ing Dr Techn | Verfahren zur denitrifikation von abwasser |
| DK1113998T3 (da) * | 1998-07-24 | 2004-11-15 | Dhv Water Bv | Fremgangsmåde til behandling af spildevand indeholdende specifikke bestanddele, fx ammoniak |
| GB0006552D0 (en) | 2000-03-17 | 2000-05-10 | For Research In Earth And Spac | System for removing phosphorus from waste water |
| GB0230309D0 (en) * | 2002-12-31 | 2003-02-05 | Wrc Plc | Procedure for enhancing removal of ammonia in the activated sludge process for treatment of wastewaters |
| WO2005073134A1 (ja) * | 2004-02-02 | 2005-08-11 | Kurita Water Industries Ltd. | 有機性排水の生物処理方法及び装置 |
| CN115465953B (zh) * | 2022-10-19 | 2023-09-22 | 大连安能杰科技有限公司 | 一种处理污水的aod生化反应系统及其污水处理方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2049488A5 (en) * | 1969-06-11 | 1971-03-26 | South African Inventions | Division of agitated sewage between settling and aeration - zones |
-
1971
- 1971-11-23 CH CH547235D patent/CH547235A/xx not_active IP Right Cessation
-
1972
- 1972-06-26 NL NL7208783A patent/NL7208783A/xx not_active Application Discontinuation
- 1972-06-27 SE SE845272A patent/SE374340B/xx unknown
- 1972-07-10 DE DE2233801A patent/DE2233801B2/de not_active Withdrawn
- 1972-07-10 AT AT588872A patent/AT318503B/de not_active IP Right Cessation
- 1972-07-11 IT IT2684572A patent/IT962707B/it active
- 1972-07-20 FI FI205972A patent/FI55824C/fi active
- 1972-07-28 DK DK374772AA patent/DK141868B/da not_active IP Right Cessation
- 1972-07-28 BR BR509072A patent/BR7205090D0/pt unknown
- 1972-07-28 NO NO272472A patent/NO134045C/no unknown
- 1972-07-31 ES ES405822A patent/ES405822A1/es not_active Expired
- 1972-07-31 FR FR7227555A patent/FR2160799B1/fr not_active Expired
- 1972-08-04 BE BE787184A patent/BE787184A/xx not_active IP Right Cessation
- 1972-09-04 IL IL4028972A patent/IL40289A/xx unknown
- 1972-09-07 ZA ZA726121A patent/ZA726121B/xx unknown
- 1972-09-07 IE IE1218/72A patent/IE36689B1/xx unknown
- 1972-09-08 GB GB4168772A patent/GB1406839A/en not_active Expired
- 1972-09-08 CA CA151285A patent/CA986627A/en not_active Expired
- 1972-09-14 JP JP9274872A patent/JPS5643797B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA986627A (en) | 1976-03-30 |
| IE36689B1 (en) | 1977-02-02 |
| CH547235A (de) | 1974-03-29 |
| NL7208783A (da) | 1973-05-25 |
| SE374340B (da) | 1975-03-03 |
| DK141868C (da) | 1980-11-24 |
| IL40289A0 (en) | 1972-11-28 |
| BE787184A (fr) | 1972-12-01 |
| DK141868B (da) | 1980-07-07 |
| ZA726121B (en) | 1973-05-30 |
| IE36689L (en) | 1973-05-23 |
| DE2233801B2 (de) | 1978-05-11 |
| AU4631272A (en) | 1974-03-14 |
| FI55824C (fi) | 1979-10-10 |
| FR2160799A1 (da) | 1973-07-06 |
| AT318503B (de) | 1974-10-25 |
| DE2233801A1 (de) | 1973-05-30 |
| BR7205090D0 (pt) | 1973-09-20 |
| NO134045C (da) | 1976-08-11 |
| IL40289A (en) | 1975-02-10 |
| FR2160799B1 (da) | 1978-03-03 |
| JPS5643797B2 (da) | 1981-10-15 |
| IT962707B (it) | 1973-12-31 |
| FI55824B (fi) | 1979-06-29 |
| JPS4859659A (da) | 1973-08-21 |
| ES405822A1 (es) | 1975-07-16 |
| GB1406839A (en) | 1975-09-17 |
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