CA2288642A1 - Method and apparatus for biological removal of nitrogen compounds from water - Google Patents
Method and apparatus for biological removal of nitrogen compounds from water Download PDFInfo
- Publication number
- CA2288642A1 CA2288642A1 CA002288642A CA2288642A CA2288642A1 CA 2288642 A1 CA2288642 A1 CA 2288642A1 CA 002288642 A CA002288642 A CA 002288642A CA 2288642 A CA2288642 A CA 2288642A CA 2288642 A1 CA2288642 A1 CA 2288642A1
- Authority
- CA
- Canada
- Prior art keywords
- denitrification
- zone
- water
- activated sludge
- 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.)
- Abandoned
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 32
- 229910017464 nitrogen compound Inorganic materials 0.000 title description 8
- 150000002830 nitrogen compounds Chemical class 0.000 title description 8
- 239000010802 sludge Substances 0.000 claims abstract description 84
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 40
- 150000002823 nitrates Chemical class 0.000 claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 239000000725 suspension Substances 0.000 claims abstract description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 20
- 230000031018 biological processes and functions Effects 0.000 claims abstract description 5
- 150000002826 nitrites Chemical class 0.000 claims abstract description 5
- 150000001875 compounds Chemical class 0.000 claims abstract description 3
- 230000004913 activation Effects 0.000 claims description 35
- 238000000926 separation method Methods 0.000 claims description 23
- 238000005273 aeration Methods 0.000 claims description 19
- 239000008213 purified water Substances 0.000 claims description 17
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 244000144992 flock Species 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 125000001477 organic nitrogen group Chemical group 0.000 claims description 3
- 239000010865 sewage Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 11
- 230000003213 activating effect Effects 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 244000005700 microbiome Species 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 238000005192 partition Methods 0.000 description 6
- 230000000717 retained effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 235000012206 bottled water Nutrition 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance 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
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1242—Small compact installations for use in homes, apartment blocks, hotels or the like
- C02F3/1247—Small compact installations for use in homes, apartment blocks, hotels or the like comprising circular tanks with elements, e.g. decanters, aeration basins, in the form of segments, crowns or sectors
-
- 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"
-
- 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
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- 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
- C02F3/302—Nitrification and denitrification treatment
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
-
- 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)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CZ971479A CZ147997A3 (cs) | 1997-05-14 | 1997-05-14 | Způsob a zařízení pro biologické odstraňování sloučenin dusíku z vody |
| CZPV1479-97 | 1997-05-14 | ||
| PCT/CZ1998/000023 WO1998051626A1 (en) | 1997-05-14 | 1998-05-13 | Method and apparatus for biological removal of nitrogen compounds from water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2288642A1 true CA2288642A1 (en) | 1998-11-19 |
Family
ID=5463342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002288642A Abandoned CA2288642A1 (en) | 1997-05-14 | 1998-05-13 | Method and apparatus for biological removal of nitrogen compounds from water |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0981500A1 (cs) |
| AU (1) | AU7028098A (cs) |
| CA (1) | CA2288642A1 (cs) |
| CZ (1) | CZ147997A3 (cs) |
| PL (1) | PL336931A1 (cs) |
| SK (1) | SK151299A3 (cs) |
| WO (1) | WO1998051626A1 (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2350608B (en) * | 1999-01-15 | 2003-01-22 | David Alan Burt | A sewage treatment system and a method of processing sewage |
| CZ295871B6 (cs) | 2001-05-15 | 2005-11-16 | Svatopluk Ing. Csc. Mackrle | Způsob separace suspenze, zejména při čištění odpadní vody, a zařízení k jeho provádění |
| CN114230009B (zh) * | 2021-12-17 | 2023-07-18 | 中煤科工集团杭州研究院有限公司 | 一种生活污水复合脱氮装置及方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3235992C2 (de) * | 1982-09-29 | 1994-04-21 | Grimm Willi J | Anlage zur biologischen Reinigung und Denitrifikation von Abwasser |
| US4882046A (en) * | 1989-01-12 | 1989-11-21 | Biocycle Pty. Ltd. | Multi-chamber septic tank assembly |
-
1997
- 1997-05-14 CZ CZ971479A patent/CZ147997A3/cs unknown
-
1998
- 1998-05-13 SK SK1512-99A patent/SK151299A3/sk unknown
- 1998-05-13 PL PL98336931A patent/PL336931A1/xx unknown
- 1998-05-13 EP EP98916800A patent/EP0981500A1/en not_active Withdrawn
- 1998-05-13 AU AU70280/98A patent/AU7028098A/en not_active Abandoned
- 1998-05-13 WO PCT/CZ1998/000023 patent/WO1998051626A1/en not_active Ceased
- 1998-05-13 CA CA002288642A patent/CA2288642A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| AU7028098A (en) | 1998-12-08 |
| CZ147997A3 (cs) | 1999-04-14 |
| PL336931A1 (en) | 2000-07-17 |
| WO1998051626A1 (en) | 1998-11-19 |
| EP0981500A1 (en) | 2000-03-01 |
| SK151299A3 (en) | 2000-06-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |