CN101628775B - Improved Carrousel oxidation ditch - Google Patents
Improved Carrousel oxidation ditch Download PDFInfo
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- CN101628775B CN101628775B CN2009101837794A CN200910183779A CN101628775B CN 101628775 B CN101628775 B CN 101628775B CN 2009101837794 A CN2009101837794 A CN 2009101837794A CN 200910183779 A CN200910183779 A CN 200910183779A CN 101628775 B CN101628775 B CN 101628775B
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- ditch
- aerobic
- anoxic
- carrousel
- anaerobism
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- 230000003647 oxidation Effects 0.000 title claims abstract description 40
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000010992 reflux Methods 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 230000003134 recirculating effect Effects 0.000 claims description 8
- 238000005273 aeration Methods 0.000 claims description 6
- 238000009987 spinning Methods 0.000 claims description 6
- 238000011282 treatment Methods 0.000 abstract description 35
- 238000000034 method Methods 0.000 abstract description 31
- 230000001276 controlling effect Effects 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- 238000006396 nitration reaction Methods 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 31
- 230000000694 effects Effects 0.000 description 17
- 238000005516 engineering process Methods 0.000 description 11
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010237 hybrid technique Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000011269 treatment regimen Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to an improved A<2>/C Carrousel oxidation ditch which is characterized in that oxygen-poor ditches are internally positioned in the middle of a Carrousel aerobic ditch, and an aerating device is arranged; anaerobic ditches are arranged at the transverse ends of the carrousel aerobic ditch and the oxygen-poor ditches, wherein the anaerobic ditch is a circulating ditch internally provided with a longitudinal separation wall; and an overflowing port which can be opened or closed is arranged between the anaerobic ditch and the aerobic ditch. By adopting the unique ditch-typecombination, the improved carrousel oxidation ditch can achieve the aim of flexibly changing and regulating a treatment process by controlling and opening different overflowing ports according to inflow amount and different pollutant indexes, and greatly improve the flexible operation function of the carrousel oxidation ditch. The ditch-type combination also effectively reduces structural dead spaces and process dead spaces after combination, and meanwhile, the ditch-type combination spaces form a nitration liquid refluxing area, thereby the treatment amount can be also increased. A part of aerating devices of a plurality of single low-power aerating devices provided with rotating discs, rotating bushes, rotating dishes, impellent flows, and the like can be flexibly powered on or off according to treatment situations, thereby the power consumption is less.
Description
Technical field
The present invention is to A
2The improvement of/C Carrousel oxidation ditch, it is few to relate in particular to type dead band, a kind of combination pond, the Carrousel oxidation ditch of anaerobism section good mixing effect.
Background technology
A
2/ C Carrousel (Carrousel) oxidation ditch (Fig. 2) is the improvement to the standard Carrousel oxidation ditch, by in its water inlet front end increase horizontal anaerobism ditch 3 arranged side by side and anoxic ditch 2 being arranged, improves the denitrogenation dephosphorizing ability of processing with this.Yet this kind combination ditch type, anaerobism ditch and 1 non-adjacent connection of Carrousel aerobic oxidation ditch, the centre is separated by the anoxic ditch, cause treatment process can only uniquely be anaerobic-anoxic-aerobic fixed mode, can not change according to water quality treatment, the water yield, changing treatment process flexibly, cause not to be that operation energy consumption increases, is exactly that processing efficiency reduces.For example the treating water total phosphorus is on the low side, only needs to adopt anoxic-aerobic process, but because aerobic ditch does not directly link to each other with the anaerobism ditch, causes nitrification liquid directly not reflux and enter the anaerobism ditch, and treatment process remains anaerobic-anoxic-aerobic, causes the efficient reduction; Secondly, it is aerobic that this ditch shape arranges that the decision anaerobism arrives to anoxic again, can only adopt the single-point water inlet, causes the change of water quality adaptive faculty is reduced, and also can influence treatment effect; If between adjacent pool, offer a plurality of flowing holes, then can cause the short stream for the treatment of water again, influence treatment effect equally.In addition, this kind unitized construction combination dead angle area is more relatively, and for example horizontal ditch end is unavailable dead band just with vertical ditch abutting end, causes the occupation of land capacity utilization not high, and also wall has increased cost because of building separately.Besides, this anaerobism ditch 1 adopts unidirectional plug-flow form, and mixed effect is not ideal enough, also can influence treatment effect; And unidirectional plug-flow also can produce and mix relatively poor technology dead band, has reduced construction volume processing efficiency especially.
In addition, such oxidation ditch aeration apparatus of oxygen supply adopts the inversed umbrella type surface aeration machine 14 that standard configuration, single-machine capacity are big, platform number less relatively (having only usually about 3) is set.For satisfying oxidation ditch oxygenation requirement, must all open during operation like this, cause waste of energy when owing water yield operation, increase working cost.
Summary of the invention
The object of the invention is to overcome the deficiency of above-mentioned prior art, provides a kind of treatment process can be according to coming the bright and beautiful combination of living, and unitized construction dead band and operation dead band are less relatively, the Carrousel oxidation ditch of anaerobism section good mixing effect.
The Carrousel oxidation ditch that provides a kind of service rating variable is provided another purpose of the present invention.
The present invention's first purpose realizes, it is main that to improve one be to be prepended in the middle of the anoxic ditch dislocation Carrousel oxidation ditch of horizontal end, be with Carrousel oxidation ditch and vertically be set up in parallel, thereby make anaerobism ditch, anoxic ditch, the equal direct neighbor setting of aerobic ditch three ditches, both can change three ditch process combination arbitrarily, effectively reduce the structure dead band after the ditch type makes up again, also reduced cost; The 2nd, in horizontal end anaerobism ditch, dividing wall is set vertically, make former unidirectional plug-flow mixed form change circulation into and mix, reduced the hybrid technique dead band, effectively improved the mixed effect for the treatment of water.Thereby overcome the deficiencies in the prior art, realized the object of the invention.Specifically, Carrousel oxidation ditch of the present invention comprises anaerobism ditch, anoxic ditch and the aerobic ditch of Carrousel, between anaerobism ditch and anoxic ditch connected entrance is arranged, between anoxic ditch and aerobic ditch connected entrance is arranged, it is characterized in that the anoxic ditch is built in the middle of the aerobic ditch of Carrousel side by side, and be provided with aerating apparatus; The anaerobism ditch is arranged at the aerobic ditch of Carrousel, the horizontal end of anoxic ditch, and the anaerobism ditch has the circulation ditch of longitudinal subdivision wall in being; The head piece of crossing that can open or close is arranged between anaerobism ditch and aerobic ditch.
Among the present invention:
The apparatus of oxygen supply of Carrousel oxidation ditch, can adopt the inversed umbrella type surface aeration equipment of standard configuration, wherein a kind ofly adopt more preferably that single-machine capacity is little, the rotating disk of many settings, change brush, plate-spinning surface aeration equipment, and plug-flow aerating apparatus, because many settings, thereby can change according to water quality, the water yield for the treatment of water, close down the part aerating apparatus, thereby reach the saving operation energy consumption.
The anoxic ditch is provided with aerating apparatus, mainly is from helping and can change the nitrification liquid quantity of reflux according to handling needs, can guarantee anaerobic environment again and is provided with, and this is the present invention's one characteristic.For example when influent ammonia nitrogen is low, should reduce the nitrification liquid quantity of reflux, satisfy the treatment process requirement, need this moment to open aerating apparatus, satisfy the anoxic process environment; When the big quantity of reflux of needs, then can close aerating apparatus, rely on big quantity of reflux to satisfy anaerobic environment.In the prior art for example rotating disk, change low power aerating apparatuss such as brush, plate-spinning, plug-flow aerating apparatus and all can be employed.
Be provided with the head piece of crossing that to open or to close between anaerobism ditch and aerobic ditch, make and to change according to water quality, the water yield,, change operation process, reach both economical operation, can guarantee good treatment effect again by opening or closed head piece.For example treating water adapts to anaerobic-anoxic-aerobic treatment process pattern, and then by closing the flowing hole of anaerobism ditch and aerobic ditch, treating water is then pressed anaerobic-anoxic-aerobic treatment process mode operation successively; Treating water adaptation anoxic-aerobic process is opened the anaerobism ditch and aerobic ditch is crossed head piece, makes aerobic ditch nitrification liquid can be back to the anaerobism ditch, makes the anaerobism ditch become the anoxic section from technology, thereby realizes anoxic-aerobic process; Treating water adapts to anoxic-anaerobic-aerobic treatment process, open the anaerobism ditch and aerobic ditch is crossed head piece, make aerobic ditch nitrification liquid be back to the anaerobism ditch, closing anoxic ditch oxygen replenishing equipment simultaneously makes it be in anaerobic environment, make the anaerobism ditch become the anoxic section from technology, the anoxic ditch becomes the anaerobism section from technology, thereby realizes anoxic-anaerobic-aerobic treatment process.Flow-guiding mouth between aerobic in addition ditch and anoxic ditch better also changes unlatching into, closes the controlled head piece of crossing.
In addition, for improving anoxic ditch mixed effect, a kind of better is to be vertically arranged with division plate in the anoxic ditch, mixes thereby constitute pump around circuit.Longitudinal divider a kind ofly better is tilting mode and is provided with, and can also reach by the width variable flow, further improves mixed effect.
In addition, can also can when stopping the part surface aerating apparatus, open the plug-flow device by the plug-flow device is set in each ditch to satisfy the circulation plug-flow.
The Carrousel oxidation ditch of the present invention's improvement is than prior art A
2/ C Carrousel oxidation ditch is built in the anoxic ditch side by side in the middle of the aerobic ditch of Carrousel owing to adopt, and is provided with the low power aerating apparatus; The anaerobism ditch is arranged at the aerobic ditch of Carrousel, the horizontal end of anoxic ditch, and the anaerobism ditch has the circulation ditch of longitudinal subdivision wall in being; The controlled ditch type structure of crossing head piece that can open or close is arranged between anaerobism ditch and aerobic ditch.Unique ditch type combination, not only keep its high denitrogenation dephosphorizing ability, and to have overcome it can only be the fixing deficiency of treatment process, making it can be according to coming the water yield and pollutent index difference, open the different head pieces of crossing by control, reach flexible change and adjust treatment process.Can carry out anaerobic-anoxic-aerobic (being used in particular for denitrogenation dephosphorizing), anaerobic-aerobic (strengthened denitrification function), anoxic-anaerobic-aerobic flexibly (in carbon source foot not, anaerobic-anoxic-aerobic process can not satisfy the denitrogenation demand, anaerobism ditch and anoxic ditch are exchanged, become anoxic-anaerobic-aerobic type oxidation ditch, raising denitrogenation dephosphorizing processing efficiency), anaerobic-aerobic (reinforced phosphor-removing effect) art breading, greatly improved the flexible operation function of Carrousel oxidation ditch, improved processing efficiency and water quality, the water yield are changed adaptability.This ditch type combination has also effectively reduced the structure dead band after the combination, and anoxic ditch and anaerobism ditch, aerobic ditch interblock space constitute the nitrification liquid recirculating zone simultaneously, have both increased treatment capacity, have reduced construction costs again.Anaerobism ditch circulation mixed structure, the waterpower fluidised form is better, has reduced the hybrid technique dead band, has effectively improved the mixed effect for the treatment of water.The little aerating apparatuss of single-machine capacity such as the rotating disk of many settings of employing, commentaries on classics brush, plate-spinning, plug-flow make and can open or close down the part aerating apparatus flexibly according to disposition that oxygen supply is variable, and the equipment configuration is more reasonable, and reaction efficiency is higher, and energy consumption still less.Adopt propulsion system under the liquid simultaneously, make, still can effectively guarantee the mixed solution flow velocity, effectively prevented the active sludge precipitation closing down under the part aerating apparatus situation.
Optimize specific embodiment below in conjunction with one; the present invention is further understood in exemplary illustration and help; but the embodiment detail only is for the present invention is described; do not represent the present invention to conceive whole technical schemes down; therefore should not be construed as the technical scheme qualification total to the present invention, some are In the view of the technician, and the unsubstantiality that does not depart from the present invention's design increases and/or change; for example simple the change or replacement of technical characterictic to have same or similar technique effect all belongs to protection domain of the present invention.
Description of drawings
Fig. 1 is an embodiment of the invention Carrousel oxidation ditch two dimensional structure synoptic diagram.
Fig. 2 is prior art A
2/ C Carrousel (Carrousel) oxidation ditch two dimensional structure synoptic diagram.
Embodiment
Embodiment: referring to Fig. 1, Carrousel oxidation ditch of the present invention at the Carrousel oxidation ditch 1 that draws back the similar U type of distortion, is set side by side with long anoxic ditch 2 in the middle of the U type, and horizontal end has the anaerobism ditch 3 of vertical band dividing wall 11.Be respectively arranged with some plate-spinning aerating apparatuss 6 on U type Carrousel oxidation ditch, the anoxic ditch.Vertically tilting dividing wall 5 is arranged between anoxic ditch two aerating apparatuss, form the speed change cycling stream.Each ditch is built-in with plug-flow device 7 under water.Anoxic ditch and anaerobism ditch, aerobic ditch contiguous space 4 constitute the nitrification liquid recirculating zone, and recirculating zone and aerobic ditch have the band controllable gate to cross head piece 10.The built-in nitrification liquid reflux pump 13 in recirculating zone.What the strap brake door was arranged between aerobic ditch end and anoxic ditch crosses head piece 12, and the mistake head piece 8 and 9 of strap brake door is arranged respectively between anaerobism ditch and anoxic ditch, aerobic ditch.
Carrousel oxidation ditch of the present invention can change according to water quality treatment, the water yield, adapts to following arbitrary treatment process:
Anaerobic-anoxic-aerobic treatment process: if C in the sewage, N, P ratio and C that biological carbon and phosphorous removal requires, N, P ratio is comparatively approaching, close the head piece of crossing of anaerobism ditch and aerobic ditch, open anaerobism ditch and anoxic ditch and cross head piece, anoxic and aerobic mistake head piece, it then is traditional anaerobic-anoxic-aerobic treatment pattern, i.e. water inlet at first enters the anaerobism ditch, mix with returned sluge and to reach biological phosphate-eliminating, enter the anoxic ditch by crossing head piece, the nitrification liquid that refluxes by the nitrification liquid recirculating zone with oxidation ditch mixes, and reaches biological denitrificaion, and treating water enters Carrousel aerobic oxidation ditch again, carry out aerobic treatment and remove organism, treat effluent enters subsequent disposal.Simultaneously, can also when be lower than design loading, treating water concentration reduce oxygen supply equipment and open the platform number in this technology, to save operation energy consumption.
The anaerobic-aerobic treatment process: ammonia nitrogen is higher in treating water, and under the total phosphorus situation on the low side, open the anaerobism ditch and aerobic ditch is crossed head piece, anaerobism ditch and anoxic ditch are crossed head piece, and anoxic and aerobic mistake head piece make the nitrated anaerobism ditch that directly is back in the aerobic ditch, thereby make the anaerobism ditch become the anoxic ditch from technology, promptly become the anaerobic-aerobic treatment process, increased the residence time of anoxic ditch, strengthened denitrification effect.
Anoxic-anaerobic-aerobic treatment process: carbon source deficiency in treating water, can not satisfy the needs of denitrogenation dephosphorizing, open the anaerobism ditch and aerobic ditch is crossed head piece, anaerobism ditch and anoxic ditch are crossed head piece, anoxic and aerobic mistake head piece, make aerobic ditch nitrification liquid be back to the anaerobism ditch, close anoxic ditch oxygen replenishing equipment simultaneously, make the anaerobism ditch become the anoxic ditch from technology, the anoxic ditch becomes the anaerobism ditch from technology, is about to anoxic ditch and anaerobism ditch exchange function, promptly becomes anoxic-anaerobic-aerobic treatment process, preferentially satisfied the anoxic pond denitrification and removed the requirement of ammonia nitrogen, made denitrification more complete carbon source; Simultaneously, the oxygen-starved area is preposition, can play a sealing process to anaerobic zone, has solved anaerobic pond to the relatively stricter condition of dissolved oxygen content requirement, helps anaerobic phosphorus release, has improved the denitrogenation dephosphorizing treatment effect.
The anaerobic-aerobic treatment process: total phosphorus is higher in treating water, and under the ammonia nitrogen situation on the low side, open anaerobism ditch and anoxic ditch and cross head piece, anoxic and aerobic mistake head piece, close anoxic ditch oxygen replenishing equipment, stop the oxygenation of anoxic ditch, close nitrification liquid recirculating zone reflux, stop nitrification liquid and reflux, make the anoxic ditch become the anaerobism ditch from technology, promptly become the anaerobic-aerobic treatment process, thereby increase the anaerobism section residence time, reinforced phosphor-removing effect.
To those skilled in the art; under this patent design and specific embodiment enlightenment; some distortion that can directly derive or associate from this patent disclosure and general knowledge; those of ordinary skills will recognize also can adopt additive method; or the substituting of known technology commonly used in the prior art; and the mutual various combination between feature; the for example change of aerating apparatus, the head piece position and the number change excessively of strap brake door, angle of rake change; reflux changes; or the like unsubstantiality change, can be employed equally, can both realize and basic identical function of the foregoing description and effect; launch for example no longer one by one to describe in detail, all belong to this patent protection domain.
Be the convenience on describing, the said division plate of the present invention, dividing wall are synonym; Ditch also is a synonym with section.
Claims (9)
1. Carrousel oxidation ditch, comprise anaerobism ditch, anoxic ditch and the aerobic ditch of Carrousel, between anaerobism ditch and anoxic ditch connected entrance is arranged, between anoxic ditch and aerobic ditch connected entrance is arranged, it is characterized in that the anoxic ditch is built in the middle of the aerobic ditch of Carrousel side by side, and be provided with aerating apparatus; The anaerobism ditch is arranged at the aerobic ditch of Carrousel, the horizontal end of anoxic ditch, and the anaerobism ditch has the circulation ditch of longitudinal subdivision wall in being; The head piece of crossing that can open or close is arranged between anaerobism ditch and aerobic ditch.
2. according to the described Carrousel oxidation ditch of claim 1, it is characterized in that Carrousel oxidation ditch oxygen supply aerating apparatus is the little rotating disk of single-machine capacity, the aerating apparatus that changes brush, plate-spinning, plug-flow aeration.
3. according to the described Carrousel oxidation ditch of claim 1, it is characterized in that anoxic ditch aerating apparatus is the little rotating disk of single-machine capacity, the aerating apparatus that changes brush, plate-spinning, plug-flow aeration.
4. according to the described Carrousel oxidation ditch of claim 1, it is characterized in that between anaerobism ditch and anoxic ditch connected entrance between connected entrance, anoxic ditch and aerobic ditch, be the head piece of crossing that can open or close.
5. according to the described Carrousel oxidation ditch of claim 1, it is characterized in that having in the anoxic ditch longitudinal divider to constitute the circulation ditch.
6. according to the described Carrousel oxidation ditch of claim 5, it is characterized in that longitudinal divider is tilting.
7. according to the described Carrousel oxidation ditch of claim 1, it is characterized in that each ditch is built-in with the plug-flow device.
8. according to claim 1,2,3,4,5,6 or 7 described Carrousel oxidation ditch, it is characterized in that anoxic ditch, anaerobism ditch, aerobic ditch contiguous space constitute the nitrification liquid recirculating zone, in reflux pump is arranged.
9. described according to Claim 8 Carrousel oxidation ditch is characterized in that having between recirculating zone and aerobic ditch the head piece of crossing that can open or close.
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| CN2009101837794A CN101628775B (en) | 2009-08-09 | 2009-08-09 | Improved Carrousel oxidation ditch |
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| CN2009101837794A CN101628775B (en) | 2009-08-09 | 2009-08-09 | Improved Carrousel oxidation ditch |
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| CN101628775B true CN101628775B (en) | 2011-07-27 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010106A (en) * | 2010-12-02 | 2011-04-13 | 福州城建设计研究院 | Integrated high-efficiency oxidation ditch and sewage treatment process thereof |
| CN103145246B (en) * | 2013-03-29 | 2013-12-18 | 环境保护部南京环境科学研究所 | Device and method for controlling runoff pollution of farmland for large-scale farming |
| CN104496016B (en) * | 2014-12-25 | 2016-07-06 | 上海中信水务产业有限公司 | A kind of biochemical oxygenation stirring technique and apparatus system |
| CN104925945B (en) * | 2015-05-22 | 2017-05-31 | 凌志环保股份有限公司 | Round Sump Carrousel oxidation ditch |
| CN113461257A (en) * | 2021-06-24 | 2021-10-01 | 贵州大学 | Integrated double-circulation oxidation ditch device for town sewage and treatment method |
| CN113387441A (en) * | 2021-07-14 | 2021-09-14 | 上海泓济环保科技股份有限公司 | Oxidation ditch and non-outage upgrading and transforming method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010037974A (en) * | 1999-10-21 | 2001-05-15 | 한상배 | Circular Waterway Type Waste Water Treatment System for Nitrogen & Phosphorous Removal |
| CN1948184A (en) * | 2006-11-14 | 2007-04-18 | 北京工业大学 | Control method and device of A2/O oxidation trench technology synchronous nitration and denitrification |
| JP2007275895A (en) * | 2007-07-30 | 2007-10-25 | Hitachi Plant Technologies Ltd | Method for removing nitrogen in membrane separation type oxidation ditch and device therefor |
| JP2008036517A (en) * | 2006-08-04 | 2008-02-21 | Kochi Univ | Wastewater treatment apparatus and method |
| CN101182067A (en) * | 2007-11-21 | 2008-05-21 | 天津市天水环保设计工程有限公司 | Main ditch surrounding functional pool type integral combined building oxidation ditch |
| CN201473425U (en) * | 2009-08-09 | 2010-05-19 | 江苏鼎泽环境工程有限公司 | Improved Carrousel oxidation ditch |
-
2009
- 2009-08-09 CN CN2009101837794A patent/CN101628775B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010037974A (en) * | 1999-10-21 | 2001-05-15 | 한상배 | Circular Waterway Type Waste Water Treatment System for Nitrogen & Phosphorous Removal |
| JP2008036517A (en) * | 2006-08-04 | 2008-02-21 | Kochi Univ | Wastewater treatment apparatus and method |
| CN1948184A (en) * | 2006-11-14 | 2007-04-18 | 北京工业大学 | Control method and device of A2/O oxidation trench technology synchronous nitration and denitrification |
| JP2007275895A (en) * | 2007-07-30 | 2007-10-25 | Hitachi Plant Technologies Ltd | Method for removing nitrogen in membrane separation type oxidation ditch and device therefor |
| CN101182067A (en) * | 2007-11-21 | 2008-05-21 | 天津市天水环保设计工程有限公司 | Main ditch surrounding functional pool type integral combined building oxidation ditch |
| CN201473425U (en) * | 2009-08-09 | 2010-05-19 | 江苏鼎泽环境工程有限公司 | Improved Carrousel oxidation ditch |
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