CN101121566A - Anaerobic composite membrane bioreactor combined system and method for treating mixed wastewater - Google Patents
Anaerobic composite membrane bioreactor combined system and method for treating mixed wastewater Download PDFInfo
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- CN101121566A CN101121566A CNA2007100438092A CN200710043809A CN101121566A CN 101121566 A CN101121566 A CN 101121566A CN A2007100438092 A CNA2007100438092 A CN A2007100438092A CN 200710043809 A CN200710043809 A CN 200710043809A CN 101121566 A CN101121566 A CN 101121566A
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- 239000012528 membrane Substances 0.000 title claims abstract description 57
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 239000002351 wastewater Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000008399 tap water Substances 0.000 claims abstract description 21
- 235000020679 tap water Nutrition 0.000 claims abstract description 21
- 239000003513 alkali Substances 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000012546 transfer Methods 0.000 claims abstract description 9
- 238000005273 aeration Methods 0.000 claims abstract description 8
- 238000010992 reflux Methods 0.000 claims abstract description 8
- 238000012856 packing Methods 0.000 claims abstract description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract 6
- 239000011574 phosphorus Substances 0.000 claims abstract 6
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract 6
- 239000010802 sludge Substances 0.000 claims abstract 3
- 239000000945 filler Substances 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 4
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 4
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 238000010907 mechanical stirring Methods 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000012510 hollow fiber Substances 0.000 claims 2
- 230000014759 maintenance of location Effects 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 1
- 239000010791 domestic waste Substances 0.000 abstract 1
- 239000011259 mixed solution Substances 0.000 abstract 1
- 239000013589 supplement Substances 0.000 abstract 1
- 239000010786 composite waste Substances 0.000 description 12
- 239000010813 municipal solid waste Substances 0.000 description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical class OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 10
- 238000009413 insulation Methods 0.000 description 10
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000010865 sewage Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- WUYJNCRVBZWAOK-UITAMQMPSA-N (5Z)-5-[(4-hydroxy-3-methylphenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one Chemical compound CC1=C(O)C=CC(\C=C2/SC(=S)NC2=O)=C1 WUYJNCRVBZWAOK-UITAMQMPSA-N 0.000 description 2
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 2
- 208000028659 discharge Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
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- 238000003113 dilution method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002550 fecal effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 238000004255 ion exchange chromatography Methods 0.000 description 1
- 239000010806 kitchen waste Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000019600 saltiness Nutrition 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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Abstract
本发明涉及一种厌氧复合式膜生物反应器组合系统及处理混合废水的方法，厌氧发生器置于保温箱内，其进水口分别连接原水水箱中的潜水泵、加碱箱、加磷箱；保温箱进、出流口分别与自来水水箱中的潜水泵出水口和自来水水箱的进水口相连；复合式膜生物反应器内置有组合性填料，曝气头，膜组件，膜组件出口连接由自动控制程序器控制的出水泵；厌氧发生器中反应区的出水口接复合式膜生物反应器的进水口，复合式膜生物反应器回流口通过回流泵接厌氧发生器进水口。生活垃圾中转站的混合废水用碱将pH调节至7.0～8.5，并补充磷元素后进入厌氧发生装置，再溢流入复合式膜生物反应器，出水由出水泵抽吸，出口处部分污泥混合液回流至厌氧发生装置。
The invention relates to an anaerobic composite membrane bioreactor combination system and a method for treating mixed wastewater. The anaerobic generator is placed in an incubator, and its water inlet is respectively connected to a submersible pump, an alkali adding tank, and a phosphorus adding tank in a raw water tank. tank; the inlet and outlet of the incubator are respectively connected to the outlet of the submersible pump in the tap water tank and the water inlet of the tap water tank; the composite membrane bioreactor has built-in composite packing, aeration head, membrane module, and membrane module outlet connection The water outlet pump controlled by the automatic control programmer; the water outlet of the reaction zone in the anaerobic generator is connected to the water inlet of the composite membrane bioreactor, and the return port of the composite membrane bioreactor is connected to the water inlet of the anaerobic generator through the reflux pump. The mixed wastewater from the domestic waste transfer station adjusts the pH to 7.0-8.5 with alkali, and supplements phosphorus, then enters the anaerobic generator, and then overflows into the composite membrane bioreactor. The effluent is sucked by the effluent pump, and part of the sludge at the outlet is The mixed solution is returned to the anaerobic generator.
Description
Technical field
The present invention relates to a kind of high concentrated organic wastewater innocuity disposal system and method thereof, particularly a kind of Membrane Bioreactor for Wastewater Treatment garbage transfer station composite waste treatment system and method thereof.
Background technology
The domestic refuse transhipment station more and more is subjected to the welcome of large-and-medium size cities as refuse collection and the final hinge of handling, and its environmental pollution that brings also more and more receives publicity.Waste water in the garbage transfer station is the mixing of various wastewater, not only comprises rubbish pressurized water in the station, the sanitary sewage that also has other various channel dischargings to come, productivity waste water, fecal sewage and kitchen waste water or the like.Wherein, rubbish pressurized water COD, BOD
5All high with ammonia-nitrogen content, and biodegradability is relatively poor.Other waste water is with after the rubbish pressurized water is mixed, and water quality is complicated more, generally speaking the water quality characteristics following points of this composite waste:
(1) change of water quality is big, because various waste water blended ratios are dynamic in the reality, so variation that water quality is not also being stopped, BOD/COD is generally at 0.40-0.65, but long slightly when the time of dumping, rubbish self anaerobically fermenting decomposes, and the organism thick fog reduces, the ratio that the larger molecular organics of difficult degradation accounts for increases, and this moment, BOD/COD can drop to about 0.1;
(2) colourity is dark, and foul smelling.The surface also has a small amount of oil slick;
(3) COD, BOD concentration is higher, and mixed waste water COD is the highest can to reach 30000mg/L, BOD
5Reach as high as 13500mg/L;
(4) ammonia-nitrogen content height, saltiness height, ammonia nitrogen reach 1000mg/L when the highest.Nitrogen in the waste water mainly exists with ammonia nitrogen, accounts for about 50% of total Kjeldahl nitrogen.Chlorate and vitriol in the waste water are higher, reach 3000mg/L respectively, 2000mg/L;
(5) the needed nutritive element serious disproportion of microorganism in the waste water, organism and ammonia-nitrogen content height and phosphoric famine.
At present, the waste water of most transhipment station directly is transported to refuse landfill and focuses on, this not only increases the weight of the burden that the refuse landfill percolate is handled, and the transportation of waste water also will consume a large amount of manpower and financial resources, even also can cause waste water to reveal accidentally because of packing, bring serious environmental to pollute.Therefore, increasing city is because physical condition (far away apart from transhipment station such as refuse landfill) requirement corresponding sewage treatment facility of supporting foundation in garbage transfer station, directly on-the-spot disposal qualified discharge.
The composite waste of domestic refuse transhipment station is compared the percolate of refuse landfill, and biodegradability is good slightly, and heavy metal content is lower.Therefore, rubbish leachate treatment method can not directly be indiscriminately imitated the waste water that is used for handling transhipment station, otherwise can raise the cost greatly.
Summary of the invention
The method that the objective of the invention is to propose a kind of anaerobic composite type membrane bioreactor combined system and handle composite waste mainly solves two problems that exist at present:
(1) waste water of domestic refuse transhipment station all is to transport to refuse landfill to focus on usually, and this has not only wasted a large amount of manpowers, material resources and financial resources, but also increased the weight of the processing burden of refuse landfill few in number.
(2) Chang Gui garbage filter liquid processing method complexity also needs pre-treatment and advanced treatment usually, and not only investment is big, and processing cost is higher, and floor space is big, is difficult to be applied to the small sewage treatment plant in the garbage transfer station.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of anaerobic composite type membrane bioreactor combined system of the present invention, comprise the anaerobism producer, combined film bioreactor, the PLC automatic program control, be characterized in: the anaerobism producer places in the insulation can, its water-in connects the submersible pump in the former water tank respectively, alkali adding tank, case phosphorates, and on the connecting pipeline of its water-in and former water tank, be connected to liquid meter, and and alkali adding tank, phosphorating to be connected to respectively between the case adds the alkali volume pump and the volume pump that phosphorates, and insulation can advances, water outlet respectively with tap water tank in the submersible pump water outlet and the water-in of tap water tank link to each other; Combined film bioreactor is built-in with the associativity filler, aeration head, and membrane module, the membrane module outlet connects the water pump that goes out by the control of PLC automatic control program device, and aeration head connects oxygen increasing pump; The water outlet of reaction zone connects the water-in of combined film bioreactor in the anaerobism producer, and the combined film bioreactor refluxing opening connects anaerobism producer water-in by reflux pump.
The reaction zone of anaerobism producer is diameter 200mm, high 0.8m, and useful volume is 24m
3The cylinder tagma, its top is provided with mechanical stirring device, is used to strengthen reaction zone muddy water blended degree.
Insulation can is cubes, and it is outside to be long 28cm, wide 28cm, and high 0.7m, cubic capacity are 55m
3Be provided with heating rod in the tap water tank.Combined film bioreactor is long to be 50cm, and wide is 40cm, and height is 40cm, and useful volume is 60m
3
The associativity filler is made of the big plastic hoop of two circles that the clinching of plastics disk makes into, and wherein, POLYESTER YARNS is pressed on the ring of ring, makes the fibrous bundle uniform distribution; Inner ring is flakes plastics branches, is used for biofilm and effectively cuts bubble, improves the transfer rate and the utilization ratio of oxygen; The element diameter of filler is Φ 80mm, and spacing is 20mm, and axial cord is a fiber rope; 60% of the shared membrane bioreactor useful volume of whole filler.
Membrane module is made of hollow-fibre membrane, and the tubular fibre membrane material is a polypropylene, and membrane pore size is 0.2 μ m, and the film total area is 0.24m
2, the operating pressure 0.01MPa of film～0.03MPa.The reflux ratio that combined film bioreactor exit mud mixed liquid is back to the anaerobism generating unit is 200%～300%.
A kind of method of handling composite waste, its concrete steps are:
(1) pH value of adjusting composite waste
A. the former water in the former water tank is squeezed in the anaerobism producer by submersible pump 1, squeezed into insulation can by submersible pump after the water in the tap water tank is heated to 35 ℃ by heating rod simultaneously, water outlet is back to tap water tank under action of gravity;
B. 10% sodium hydroxide in the alkali adding tank is sent in the anaerobism producer by adding the alkali volume pump, made the PH of waste water be adjusted to 7～8;
(2) remove COD in the anaerobic reactor, BOD, NH
3-N
30% potassium dihydrogen phosphate in the case that phosphorates is supplemented in the anaerobic reactor by the volume pump that phosphorates; At hydraulic detention time is 12h, and temperature is 35 ℃, and PH is under 7～8 conditions, removes COD, BOD, NH
3-N leads and is respectively＞and 85%,＞89%,＞75%;
(3) remove COD, BOD, NH in the combined film bioreactor again
3-N and TN
Combined film bioreactor is gone in anaerobism water outlet overflow in the anaerobic reactor, at first passes through the associativity filler, passes through the filtration of membrane module again, further removes COD, BOD, NH
3-N is under the 30h condition at hydraulic detention time, and the clearance of TN is 98%, COD, BOD, NH
3-N clearance is 99%, 98%, more than 97%, and the COD of water outlet from combined film bioreactor (19), BOD, NH
3-N concentration is respectively 60mg/L, 40mg/L, 20mg/L.
In the step 3, the water outlet of combined film bioreactor is by going out the water pump suction, and exit part mud mixed liquid is back to the anaerobism producer.
Beneficial effect of the present invention: the present invention relates to the high concentrated organic wastewater innoxious process for treating.Adopt anaerobism-combined film bioreactor treatment technology, provided the optimum operating condition of operational condition that anaerobic reactor starts and the operation of whole A/HMBR system, and the structural attitude of anaerobic reactor and combined film bioreactor and operation process flow process.Domestic refuse transhipment station composite waste is through the A/HMBR COD of system, BOD
5, NH
3The total clearance of-N reaches 99%, 98% respectively, more than 97%.
Description of drawings
Fig. 1 is the structure connection diagram of equipment required for the present invention;
Fig. 2 is the process flow sheet that domestic refuse transhipment station composite waste of the present invention is handled;
Fig. 3 is the floor map of combined stuffing in the combined film bioreactor of the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
As shown in Figure 1, a kind of anaerobism-composite type membrane bioreactor combined system comprises anaerobism producer 14, combined film bioreactor 19, PLC automatic program control 26.
Combined film bioreactor 19 is built-in with associativity filler 18, aeration head 20, membrane module 21, membrane module 21 outlet connect by 26 controls of PLC automatic control program device go out water pump 25, and vacuum meter 24 is set in the exit.Aeration head 20 connects oxygen increasing pump 23 through gas meter 22; The water outlet of reaction zone connects the water-in of combined film bioreactor 19 through valve 16 in the anaerobism producer 14, and combined film bioreactor 19 refluxing openings connect anaerobism producer 14 water-ins by reflux pump 17.
The reaction zone of anaerobism producer 14 is diameter 200mm, high 0.8m, and useful volume is 24m
3The cylinder tagma, its top is provided with mechanical stirring device 13, is used to strengthen reaction zone muddy water blended degree.Attemperater 15 is cubes, and it is outside to be long 28cm, wide 28cm, and high 0.7m, cubic capacity are 55m
3Reaction zone DO is at 0.5mg/L, and PH is 7～8, and temperature maintains 35 ℃ by the attemperater 15 of outside, and hydraulic detention time is 12h～20h.
Be provided with heating rod 5 in the tap water tank 7.The insulation can 15 of anaerobism producer 14 outsides is by heating rod 5 water in the tap water tank 7 to be heated to 35 ℃, squeezes into insulation can 15 with submersible pump 6 again, and water outlet is back to tap water tank 7 again under the effect of gravity.The environment of keeping such thermal cycling makes anaerobic reaction carry out under 35 ℃ of conditions all the time.
Combined film bioreactor 19 length are 50cm, and wide is 40cm, and height is 40cm, and useful volume is 60m
3D0 is controlled at 3～4mg/L in the reactor 19, and PH is 7～8, and the residence time is 30h～48h.The liquid level of reactor 19 is to adjust water pump 25 and valve 8,16 according to the Inlet and outlet water equilibrium principle, and the start-stop that goes out water pump 25 is controlled at out 10min by PLC automatic control program device 26, stops 3min.The reflux ratio that combined film bioreactor 19 exit mud mixed liquids are back to anaerobism generating unit 14 is 200%～300%.
As shown in Figure 3, associativity filler 18 is made of the big plastic hoop of two circles that the clinching of plastics disk makes into, and wherein, POLYESTER YARNS is pressed on the ring of ring, makes the fibrous bundle uniform distribution; Inner ring is flakes plastics branches, is used for biofilm and effectively cuts bubble, improves the transfer rate and the utilization ratio of oxygen; The element diameter of filler is Φ 80mm, and spacing is 20mm, and axial cord is a fiber rope; 60% of the shared membrane bioreactor useful volume of whole filler.
The liquid level of combined film bioreactor 19 is regulated with related valve by going out water pump 25 according to the Inlet and outlet water balance, and the start-stop that goes out water pump 25 is by automatic program control 26 controls, and the start-stop frequency that goes out water pump 25 is stopped 3min for opening 10min.System's run duration is spoil disposal not.
It is a principal object of the present invention to: anaerobic treatment reduces most organism and ammonia nitrogen as the pre-treatment of follow-up aerobic section treatment process, guarantees that the entire treatment system is not subjected to the impact of high loading and steady running; The combined film bioreactor of aerobic section has been strengthened the synchronous nitration and denitrification function of reactor owing to added filler, makes total nitrogen reduce greatly, also further removed simultaneously COD, BOD and ammonia nitrogen, water outlet are up to standard fully, can directly include city planting ductwork in.The present invention can realize low investment fully to set up the small-scale sewage treatment facility in garbage transfer station, low operating cost, and stable, water outlet is up to standard fully, therefore has important academic significance and more practical value.
The index that the present invention mainly measures has:
COD，BOD
5，NH
3-N，TN，PH，NO
3-N，NO
2-N，Cl
-，SO
4 2-，SS，VSS。Measuring method is: COD: potassium dichromate process; BOD
5: the inoculation dilution method; NH
3-N: receive formula reagent spectrophotometry; NO
3-N, NO
2-N, TN, Cl
-, SO
4 2-: ion chromatography; PH: portable PH meter; SS, VSS: weighting method.
As shown in Figure 2, the method for processing composite waste of the present invention, its concrete steps are:
(1) pH value of adjusting composite waste
A. the former water in the former water tank 2 is squeezed in the anaerobism producer 14 by submersible pump 1, squeezed into insulation can 15 by submersible pump 6 after the water in the tap water tank 7 is heated to 35 ℃ by heating rod 5 simultaneously, water outlet is back to tap water tank 7 under action of gravity;
B. 10% sodium hydroxide in the alkali adding tank 3 is sent in the anaerobism producer 14 by adding alkali volume pump 9, made the PH of waste water be adjusted to 7～8;
(2) remove COD in the anaerobic reactor, BOD, NH
3-N
30% potassium dihydrogen phosphate in the case 4 that phosphorates is supplemented in the anaerobic reactor 14 by the volume pump 10 that phosphorates; At hydraulic detention time is 12h, and temperature is 35 ℃, and PH is under 7～8 conditions, removes COD, BOD, NH
3-N leads and is respectively＞and 85%,＞89%,＞75%;
(3) remove COD, BOD, NH in the combined film bioreactor again
3-N and TN
Combined film bioreactor 19 is gone in anaerobism water outlet overflow in the anaerobic reactor 14, at first passes through associativity filler 18, passes through the filtration of membrane module 21 again, further removes COD, BOD, NH
3-N is under the 30h condition at hydraulic detention time, and the clearance of TN is 98%, COD, BOD, NH
3-N clearance is 99%, 98%, more than 97%, and the COD of water outlet from combined film bioreactor 19, BOD, NH
3-N concentration is respectively 60mg/L, 40mg/L, 20mg/L.
In the step 3, the water outlet of described combined film bioreactor 19 is by peristaltic pump 25 suctions, and exit part mud mixed liquid is back to anaerobism producer 14.
Embodiments of the invention:
Get certain domestic refuse transhipment station composite waste, water quality is CODcr25000～30000mg/L, BOD10000～13500mg/L, NH
3-N700～1000mg/L, pH value are 5～6.Former water is squeezed into anaerobism producer 14 by submersible pump 1, squeeze into insulation can 15 by submersible pump 6 after the water in the tap water tank 7 is heated to 35 ℃ by heating rod 5 simultaneously, water outlet is back to tap water tank 7 under action of gravity.10% sodium hydroxide in the alkali adding tank 3 is adjusted to 7～8 by adding alkali volume pump 9 with the PH of anaerobism producer 14, the phosphoric that 30% potassium dihydrogen phosphate in the case 4 that phosphorates replenishes in the waste water by the volume pump 10 that phosphorates.At hydraulic detention time is 12h, and temperature is 35 ℃, and PH is under 7～8 conditions, the COD of anaerobic reactor 14, BOD, NH
3-N clearance can reach respectively＞and 85%,＞89%,＞75%.Combined film bioreactor 19 is gone in anaerobism water outlet overflow, and the effect through adhering to the mud of mud and reactor bottom on the filler 18 is passed through the filtration of membrane module 21, COD, BOD, NH more earlier
3-N is further removed, and is under the 30h condition at hydraulic detention time, and the clearance of TN can reach 98%, COD, BOD, NH
3-N clearance reaches 99%, 98% respectively, more than 97%, and water outlet COD, BOD, NH
3-N concentration is respectively 60mg/L, 40mg/L, and about 20mg/L, water outlet can reach the China national secondary discharge standard.
Claims (10)
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805095A (en) * | 2010-03-25 | 2010-08-18 | 深圳清华大学研究院 | Method for treating and recycling leachate in garbage transfer station |
| CN101885534A (en) * | 2010-06-24 | 2010-11-17 | 同济大学 | Bacteria and algae synergistic low-carbon membrane bioreaction system |
| CN102001742A (en) * | 2010-11-15 | 2011-04-06 | 东华大学 | Submersible stirring type hydrolytic acidification membrane bioreactor |
| CN102161047A (en) * | 2010-12-08 | 2011-08-24 | 沈阳大学 | Experiment device for remediation of solid waste by anaerobes |
| CN102267782A (en) * | 2011-07-01 | 2011-12-07 | 中国科学院生态环境研究中心 | Integrated reactor and method for removing ammonia nitrogen from drinking water |
| CN102745817A (en) * | 2012-07-27 | 2012-10-24 | 深圳市深港产学研环保工程技术股份有限公司 | High-efficiency compound biological pond and sewage treatment method |
| CN102897981A (en) * | 2012-10-31 | 2013-01-30 | 江苏商达水务有限公司 | Rural domestic waste water treatment recycling process and device |
| CN103420541A (en) * | 2013-02-21 | 2013-12-04 | 宜兴统一环保科技有限公司 | Method of treating high concentrated organic wastewater with integrated process of anaerobic membrane bioreactor |
| CN107416979A (en) * | 2017-09-22 | 2017-12-01 | 新中天环保股份有限公司 | A kind of refuse landfill penetrating fluid processing pond |
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2007
- 2007-07-13 CN CN2007100438092A patent/CN101121566B/en not_active Expired - Fee Related
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