CN103332834B - Manual ecological sewage treatment system suitable for villages and towns - Google Patents
Manual ecological sewage treatment system suitable for villages and towns Download PDFInfo
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- CN103332834B CN103332834B CN201310310805.1A CN201310310805A CN103332834B CN 103332834 B CN103332834 B CN 103332834B CN 201310310805 A CN201310310805 A CN 201310310805A CN 103332834 B CN103332834 B CN 103332834B
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- 239000010865 sewage Substances 0.000 title claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 24
- 238000005273 aeration Methods 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 15
- 239000004576 sand Substances 0.000 claims description 13
- 239000006004 Quartz sand Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 229910021536 Zeolite Inorganic materials 0.000 claims description 7
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000010457 zeolite Substances 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000010802 sludge Substances 0.000 abstract description 12
- 239000011159 matrix material Substances 0.000 abstract description 5
- 238000005276 aerator Methods 0.000 abstract 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000009388 chemical precipitation Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 230000007483 microbial process Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical class OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a manual ecological sewage treatment system suitable for villages and towns, which comprises a sewage treating pool and is characterized in that a sludge pipe is arranged at the bottom of the sewage treating pool; a water-distributing pipe is arranged above the sludge pipe; the water-distributing pipe is connected with a water inlet pipe of the sewage treating pool; a first filtering layer, a second filtering layer and a third filtering layer are successively arranged between the water-distributing pipe and the top of the sewage treating pool from bottom to top; an aerator pipe is arranged in the second filtering layer; the other end of the aerator pipe extends out of the sewage treating pool and is connected with a fan; a draining tank is arranged around a peripheral wall of the sewage treating pool; the draining tank is communicated with the water inlet pipe of the sewage treating pool through a return pipe; and a drain pipe is arranged on the draining tank. Compared with a present ecological system, the manual ecological sewage treatment system has the advantages that the matrix is not tedded and back washed. Besides, the return pipe is added, so that the water entering into the system is diluted and the harm brought by the impact load is relieved.
Description
Technical field
The present invention relates to Sewage treatment systems, be specifically related to a kind of artificial ecology Sewage treatment systems that is applicable to small towns.
Background technology
Water resources problems has become one of important factor of restriction China Economic development.Although China has taked strict cultivated land protection measure, a large amount of farmlands and agricultural irrigation water source are taken by city and industry, and the impetus that cultivated land resource reduces is difficult to reverse, and the pressure of shortage of water resources further increases.The Infrastructure of China small towns municipal administration at present falls behind, starting point is lower, lack of capital, cause take rural area that villages and small towns are fundamental unit in flakes renovation carry out and hindered, consider the present situation of small towns sewage, adopting management ecological type sewage processing mode simple, that scale of investment is little, incorporating property of view is high is still one preferred technique, is mainly the integrated application of oxidation ditch process, Artificial Wetland Techniques, manpower rapid-infiltration technology and other biological method.Wherein utilizing the manpower rapid-infiltration method of the alternative original soil layer processing pollutent of artificial swamp, filler of soil and plant treatment pollutent is two kinds the most conventional in the sewage treatmentmethod of small towns, but these two kinds of modes have the following disadvantages:
1, the ecological method such as artificial swamp and the manpower rapid-infiltration overwhelming majority of disposing of sewage is to be undertaken by the form of alternation of wetting and drying, and sewage need to be through flooding---the cycle of doing that falls processes.This just means and can not move continuously, must set up two groups of parallel arrangement, has so just increased the floor space of device.
2, manpower rapid-infiltration and artificial swamp all by matrix hold back, filter, absorption and biological degradation complete jointly, and adopts alternation of wetting and drying mode to move, and utilizes natural reaeration while falling to do, so must regularly turn over to matrix.Thereby strengthened managerial personnel's labour intensity.
3, the removal effect of ammonia nitrogen TN and total phosphorus is stable not.
Summary of the invention
The technical problem to be solved in the present invention is to provide that a kind of floor space is less, hydraulic load is higher, can strengthen the artificial ecology Sewage treatment systems that is applicable to small towns of nitrogen phosphorus removal effect and stable effluent quality.
The artificial ecology Sewage treatment systems that is applicable to small towns of the present invention, bottom at treatment tank is provided with shore pipe, the top of described shore pipe is provided with water distributor, this water distributor is connected with the water inlet pipe for the treatment of tank, between water distributor and the top for the treatment of tank, be provided with successively from the bottom to top the first filtering layer, the second filtering layer and the 3rd filtering layer, in the second filtering layer, be provided with aeration tube, the other end of this aeration tube stretches out treatment tank and is connected with blower fan; Periphery wall around treatment tank is provided with a blowoff basin, between the water inlet pipe of this blowoff basin and treatment tank, by return line, is communicated with, and is also provided with water shoot on blowoff basin.
In order to keep the water outlet at treatment tank top more steady, preferably at the top for the treatment of tank, set out mill weir.
In technique scheme:
The water that enters water distributor should be to process and equalizing tank homogeneous was all measured after (pool inner water matter is fully mixed, and make the water outlet water yield even) through grid.
Described aeration tube is preferably arranged on the middle and lower part of the second filtering layer.
Described shore pipe is perforated pipe, adopt supervisor both sides take-off line spoil disposal, can select static pressure spoil disposal or sludge pump sludge discharge way according to the height for the treatment of tank, when selecting sludge pump sludge discharge way, need to be at the outer setting sludge pump for the treatment of tank, and sludge pump is communicated with shore pipe; Described water distributor is perforated pipe, adopts the equal water distribution of supervisor's both sides branch-line pipe, and each branch-line pipe and supervisor's distribution is preferably " rich " font.
The filtration medium of described the first filtering layer is quartz sand, or quartz sand and be selected from one or more the combination in steel sand, zeolite.When adopt quartz sand be selected from steel sand, zeolite one or more combination time to remove the effect of pollutent better, now, the proportioning between them can be any proportioning.Most preferably, be the combination that adopts quartz sand, steel sand and zeolite, their volume ratio is 2~4: 0.5~1.5: 0.5~1.5.The particle diameter of quartz sand described above is 2~6mm, and the particle diameter of steel sand is 2~4mm, and the particle diameter of zeolite is 1~3mm.
The filtration medium of described the second filtering layer is ceramic grain filter, and its particle diameter is generally 5~8mm.
The filtration medium of described the 3rd filtering layer is common river sand, and its particle diameter is generally 1~2mm.
The artificial ecology Sewage treatment systems that is applicable to small towns of the present invention, the pore on water distributor tube wall go out the settling velocity that water speed should be greater than mud in treatment tank.Generally, the height of the first filtering layer for the treatment of tank inside, the second filtering layer and the 3rd filtering layer is 1.0~2.0m, 1.5~2.5m and 1.0~2.0m respectively, and the gas-water ratio of aeration is 5~7: 1.
Compared with prior art, the feature of system of the present invention is:
1, system of the present invention, without by the dry reoxygenation that carries out that falls, makes system can carry out the continuous processing of sewage, has increased sewage load; And do not need manually to ted matrix, without carrying out back flushing, reduced work load; In addition, system is without increasing second pond.
2, aeration tube is arranged in filtering layer, only a part of filtrate is wherein carried out to aeration, like this can be in inner anaerobic zone (the first filtering layer)---aerobic zone (the second filtering layer) the two large regions that form of filtering layer, in aerobic zone, because biofilm makes microbial film inner (with filling surface contact area), form anaerobic environment and possess denitrifying function simultaneously simultaneously.
2, owing to adding artificial aeration's system, make whole system process load and increase, processing load value can be with reference to BAF.
3,, by treatment tank bottom, perforated sludge discharge pipe road being installed, the latch up phenomenon of having avoided legacy system to occur, can select static pressure spoil disposal or sludge pump spoil disposal according to system design absolute altitude.
4, by return line is set in water side, build external reflux system, further improve pollutants removal rate, be conducive to water outlet up to standard.
Accompanying drawing explanation
Fig. 1 is the structural representation that is applicable to a kind of embodiment of artificial ecology Sewage treatment systems in small towns of the present invention.
Number in the figure is:
1 treatment tank; 2 blowoff basins; 3 water inlet pipes; 4 intake pumps; 5 aeration tubes; 6 blower fans; 7 water shoots; 8 return lines; 9 shore pipes; 10 sludge pumps; 11 first filtering layers; 12 second filtering layers; 13 the 3rd filtering layers; 14 effluent weirs; 15 water distributors.
Embodiment
As shown in Figure 1, the artificial ecology Sewage treatment systems that is applicable to small towns of the present invention, comprises a square treatment tank 1, and the top for the treatment of tank 1 sets out mill weir 14, in the bottom for the treatment of tank 1, be provided with shore pipe 9, the described shore pipe 9 that is positioned at treatment tank 1 is selected perforated pipe, the shore pipe 9 that is positioned at treatment tank 1 outside can select not have on tube wall the pipeline of perforate as pvc pipe material, is provided with sludge pump 10 on the path of this section of tubing, above the middle and lower part for the treatment of tank 1, shore pipe 9, be provided with water distributor 15, described water distributor 15 is perforated pipe, adopt the equal water distribution of supervisor's both sides branch-line pipe, each branch-line pipe and supervisor's distribution is preferably " rich " font, described water distributor 15 is communicated with the water inlet pipe 3 for the treatment of tank 1 outside, the described water that enters water inlet pipe 3 is all to measure processing through grid processing and equalizing tank homogeneous, is provided with intake pump 4 on the pipeline path of water inlet pipe 3, between water distributor 15 and the top for the treatment of tank 1, be provided with successively from the bottom to top the first filtering layer 11, the second filtering layer 12 and the 3rd filtering layer 13, the filtration medium of described the first filtering layer 11 is the combination of quartz sand (particle diameter is 2~6mm), steel sand (particle diameter is 2~4mm) and zeolite (particle diameter is 1~3mm), and their volume ratio is 3: 1: 1, the filtration medium of described the second filtering layer 12 is that particle diameter is the ceramic grain filter of 5~8mm, the filtration medium of described the 3rd filtering layer 13 is that particle diameter is the common river sand of 1~2mm, in the second filtering layer 12, bottom is provided with aeration tube 5, the other end of this aeration tube 5 stretches out treatment tank 1 and joins with aeration blower 6, aeration blower 6 is delivered to air in the second filtering layer 12 by aeration tube 5, the artificial ecology Sewage treatment systems that is applicable to small towns of the present invention also comprises that one for accepting the blowoff basin 2 of the water of discharging from treatment tank 1 top, this blowoff basin 2 arranges (be treatment tank 1 have body of wall of a common body of wall or treatment tank 1 with blowoff basin 2 and a body of wall of blowoff basin 2 is affixed) around the periphery wall for the treatment of tank 1, and its bottom should be positioned at the top of aeration tube 5, between described blowoff basin 2 and the water distributor 15 for the treatment of tank 1, by return line 8, be communicated with, on blowoff basin 2, be also provided with water shoot 7, by water shoot 7, water outlet is drained into receiving water body.
The treatment process that is applicable to the artificial ecology Sewage treatment systems in small towns of the present invention is:
By grid, remove most SS (Suspended Solid, suspended substance in sewage), sewage after equalizing tank homogeneous is all measured is sent into treatment tank 1 by intake pump 4 again, sewage flows out uniformly by the water distributor 15 for the treatment of tank 1 bottom, and utilize current to wash away the mud under water distributor 15 planes in the speed at water distributing pore place, avoid water distributing pore blocked.In current uphill process, sewage is successively through the first filtering layer 11, the second filtering layer 12 and the 3rd filtering layer 13.Because aeration tube 5 is arranged on the first filtering layer 11 tops, the bottom of the second filtering layer 12, so be equivalent to anaerobic treatment district at the first filtering layer 11 (being quartz sand filtering layer), at the second filtering layer 12 (being haydite filtering layer), be equivalent to aerobic treatment district, while covering again haydite filtering layer after sewage is by quartz sand filtering layer, the microorganism adhering on ceramic grain filter carries out aerobic reaction, the remaining pollutent of oxygenolysis at this layer.When three filtering layer 13 (be river sand filtering layer) of sewage by the superiors, the SS in sewage can be removed the overwhelming majority by the filteration of this layer, and river sand remaining COD in adsorbable sewage also, further purifies water simultaneously.Treated water finally flow into blowoff basin 2 by the effluent weir 14 on Chi Ding, and the water part in this blowoff basin 2 reenters system by return line 8, and a part is by the outer receiving water body that drains into of water shoot 7.The object of design is like this, dilutes the concentration into water pollutant, avoids impact load to cause disadvantageous effect to system; Simultaneously also can, by again through anaerobic zone, the nitric nitrogen in water outlet and nitrite nitrogen and phosphorus being removed, guarantee water quality reaching standard.In system of the present invention, organism is trapped in system by the microbe filter adsorption on filtrate and surface thereof, and particularly in the Degradation of aerobic zone microorganism, obtains final removal by microbial process.Ammonia nitrogen has two kinds of removal approach, is first the adsorption of medium to ammonia nitrogen, is secondly the nitrification of ammonia nitrogen.The removal of phosphorus is by three kinds of modes, the absorption of i.e. absorption, chemical precipitation and microorganism, wherein microbial process is limited to the contribution of dephosphorization, the absorption of matrix and precipitating action are to remove the main path of phosphorus, and described chemical precipitation dephosphorization is mainly to be reacted with orthophosphoric acid salt and formed precipitation by calcium, magnesium, molysite.
By system applies of the present invention in the sewage disposal in periphery small towns, Guilin City, the size of the treatment tank 1 of specific design is 6.0m * 6.0m * 6.0m (length * wide * height), and the height of the first filtering layer 11, the second filtering layer 12 and the 3rd filtering layer 13 for the treatment of tank 1 inside is 1.5m, 2.0m and 1.5m respectively; At hydraulic load 2.8m
3/ m
2d, aeration rate 0.42m
3/ min, in the situation of HRT (hydraulic detention time) 16h, each parameter of water inlet is: Q:100m
3/ d; CODcr:520mg/L; NH
3-N:30mg/L; TP:5mg/L; TN:42mg/L; SS:220mg/L; The parameter of effluent quality: CODcr:42mg/L; NH
3-N:3mg/L; TP:0.4mg/L; TN:7mg/L; SS:6mg/L, working time: 6 months; Clearance is respectively: CODcr:92%; NH
3-N:90%; TP:92%; TN:83.3%; SS:97%.
The content that above-described embodiment is illustrated should be understood to these embodiment only for being illustrated more clearly in the present invention, and be not used in, limit the scope of the invention, after having read the present invention, those skilled in the art all should belong to the application's claims limited range to the modification of the various equivalent form of values of the present invention.
Claims (4)
1. an artificial ecology Sewage treatment systems that is applicable to small towns, comprise treatment tank (1), it is characterized in that: in the bottom for the treatment of tank (1), be provided with shore pipe (9), the top of described shore pipe (9) is provided with water distributor (15), this water distributor (15) is connected with the water inlet pipe (3) for the treatment of tank (1), between water distributor (15) and the top for the treatment of tank (1), be provided with successively from the bottom to top the first filtering layer (11), the second filtering layer (12) and the 3rd filtering layer (13), in the second filtering layer (12), be provided with aeration tube (5), the other end of this aeration tube (5) stretches out treatment tank (1) and is connected with blower fan (6), periphery wall around treatment tank (1) is provided with a blowoff basin (2), between the water inlet pipe (3) of this blowoff basin (2) and treatment tank (1), by return line (8), be communicated with, on blowoff basin (2), be also provided with water shoot (7), wherein:
The filtration medium of described the first filtering layer (11) is quartz sand, or quartz sand and be selected from steel sand and zeolite in one or more combination; The particle diameter of described quartz sand is 2~6mm, and the particle diameter of steel sand is 2~4mm, and the particle diameter of zeolite is 1~3mm;
The filtration medium of described the second filtering layer (12) is ceramic grain filter, and the particle diameter of described ceramic grain filter is 5~8mm;
The filtration medium of described the 3rd filtering layer (13) is common river sand, and the particle diameter of described common river sand is 1~2mm.
2. the artificial ecology Sewage treatment systems that is applicable to small towns according to claim 1, is characterized in that: at the top for the treatment of tank (1), be provided with effluent weir (14).
3. the artificial ecology Sewage treatment systems that is applicable to small towns according to claim 1 and 2, is characterized in that: described aeration tube (5) is arranged at the middle and lower part of the second filtering layer (12).
4. the artificial ecology Sewage treatment systems that is applicable to small towns according to claim 1 and 2, is characterized in that: described shore pipe (9) is perforated pipe; Described water distributor (15) is perforated pipe, adopts the equal water distribution of supervisor's both sides branch-line pipe.
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CN201310310805.1A CN103332834B (en) | 2013-07-23 | 2013-07-23 | Manual ecological sewage treatment system suitable for villages and towns |
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CN201310310805.1A CN103332834B (en) | 2013-07-23 | 2013-07-23 | Manual ecological sewage treatment system suitable for villages and towns |
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CN103332834A CN103332834A (en) | 2013-10-02 |
CN103332834B true CN103332834B (en) | 2014-09-17 |
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Families Citing this family (6)
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CN105084664A (en) * | 2015-08-14 | 2015-11-25 | 无锡乐华自动化科技有限公司 | Sewage treatment method adopting industrial sewage treatment system |
CN106007227A (en) * | 2016-07-15 | 2016-10-12 | 广州粤江环保科技有限公司 | Sewage treatment method |
CN107032538A (en) * | 2016-11-14 | 2017-08-11 | 武汉兴天宇环境股份有限公司 | It is a kind of to monitor the sewage treating and recovering device of water quality |
CN108892310A (en) * | 2018-06-28 | 2018-11-27 | 贵州大学 | A kind of aeration treatment apparatus that sewage is used for agricultural irrigation |
CN109761359B (en) * | 2018-10-09 | 2023-11-17 | 碧沃丰生物科技(广东)股份有限公司 | Sewage treatment system |
CN115477446A (en) * | 2022-10-09 | 2022-12-16 | 山东润锦环保科技发展有限公司 | Modularization sewage treatment plant |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201317707Y (en) * | 2008-11-11 | 2009-09-30 | 大连恒基新润水务有限公司 | Aeration biological filtering pool with three layers of filtering |
CN103159317A (en) * | 2011-12-12 | 2013-06-19 | 同济大学 | Artificial-aeration-reinforced Land percolation water treatment device |
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2013
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201317707Y (en) * | 2008-11-11 | 2009-09-30 | 大连恒基新润水务有限公司 | Aeration biological filtering pool with three layers of filtering |
CN103159317A (en) * | 2011-12-12 | 2013-06-19 | 同济大学 | Artificial-aeration-reinforced Land percolation water treatment device |
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