CN107226531A - Sanitary sewage is percolated composite processing system and its processing method - Google Patents

Sanitary sewage is percolated composite processing system and its processing method Download PDF

Info

Publication number
CN107226531A
CN107226531A CN201610165857.8A CN201610165857A CN107226531A CN 107226531 A CN107226531 A CN 107226531A CN 201610165857 A CN201610165857 A CN 201610165857A CN 107226531 A CN107226531 A CN 107226531A
Authority
CN
China
Prior art keywords
filler
flume
sanitary sewage
pond
processing system
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.)
Pending
Application number
CN201610165857.8A
Other languages
Chinese (zh)
Inventor
马永生
张春伟
简炜
麻军
彭飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guohuan Qingyuan Holdings Co Ltd
Original Assignee
Guohuan Qingyuan Holdings Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guohuan Qingyuan Holdings Co Ltd filed Critical Guohuan Qingyuan Holdings Co Ltd
Priority to CN201610165857.8A priority Critical patent/CN107226531A/en
Publication of CN107226531A publication Critical patent/CN107226531A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/302Nitrification and denitrification treatment

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

Disclose a kind of sanitary sewage diafiltration composite processing system and its processing method.The system includes regulating reservoir, oozes pond, discharge bay, water inlet, delivery port, the first gate, flume, the first filler, the second filler soon, water inlet is opened in the side of regulating reservoir, the opposite side of regulating reservoir can be connected by the first gate with oozing pond soon, ooze pond soon to connect with the side of discharge bay by flume, delivery port is arranged at the opposite side of discharge bay;Flume is arranged at oozes bottom of pond portion soon;The minimum point of regulating reservoir is less than the minimum point of flume;The minimum point of discharge bay is less than the minimum point of flume;First filler is clogged in oozing soon in pond, and the second filler is clogged in flume, and the first filler is used to filter to penetrating into water therein, and the second filler is used to carry out the first filler of drainage and support to flowing through water therein.This method is based on the system and realized.Oozing pond soon can filter to sanitary sewage, and be particularly suitable for use in water quality pollutant and the relatively low contaminated water of organic concentration.

Description

Sanitary sewage is percolated composite processing system and its processing method
Technical field
The present invention relates to technical field of sewage, more particularly to a kind of sanitary sewage diafiltration combined treatment system System and its processing method.
Background technology
The main method of sewage disposal, can be divided into activated sludge process and biomembrance process during current biological treatment. Activated sludge process is better than technology maturation, and equipment is reliable, is used widely in down-stream processing, but again The problem of there is fluctuation of service in terms of small-scale sewage processing, technique is complex, technical requirements are higher and energy Consumption is also higher, it is difficult in economic development backward areas, the samll cities and towns being especially sporadicly distributed, residential quarters, Tourist attractions and vast rural area popularization and application.
Bio-filter technology is using the microorganism treating sewage for being grown in filter material surface in filter tank, with microorganism Biomass is big, the characteristics of Stability Analysis of Structures and good bio-diversity, therefore its hydraulic load and anti-shock loading Ability is all very strong, can be very good to adapt to the domestic sewage in rural areas, house that load is unstable, change of water quality is big Cell, the sewage disposal of tourist attractions.
Traditional rapid diafiltration sewage treating system is one kind of waste water soil treatment technology.It selects permeability Sewage cloth is being oozed on pond soon, during by oozing soil layer under sewage as pond place is oozed soon in good natural sand soil Producing complicated physics, chemistry and biological agent is purified sewage.Because biomass is big, it is desirable to react Device has stronger oxidation effect, and particularly the demand to oxygen-supplying amount when with nitrification function is further increased, Traditional gravity-flow ventilation can not meet requirement.
The content of the invention
In view of this, the present invention provides a kind of sanitary sewage diafiltration composite processing system and its processing method, its It is conceived to low high treating effect, energy consumption, investment and operating cost are low, easy to operate, safeguard simple, is applicable In samll cities and towns, residential quarters, tourist attractions and vast rural area thus more suitable for practicality.
In order to achieve the above object, the sanitary sewage that the present invention is provided is percolated the technical scheme of composite processing system It is as follows:
Sanitary sewage that the present invention is provided diafiltration composite processing system include regulating reservoir, ooze soon pond, discharge bay, Water inlet, delivery port, the first gate, flume, the first filler, the second filler,
The water inlet is opened in the side of the regulating reservoir, and the opposite side of the regulating reservoir passes through described first Gate can be connected with the pond of oozing soon, the side that pond is oozed soon by the flume and the discharge bay Connection, the delivery port is arranged at the opposite side of the discharge bay;
The flume is arranged at described oozes bottom of pond portion soon;
The minimum point of the regulating reservoir is less than the minimum point of the flume;
The minimum point of the discharge bay is less than the minimum point of the flume;
First filler is clogged to be oozed in pond soon in described, and second filler is clogged in the flume,
Wherein, first filler is used to filter to penetrating into water therein,
Second filler is used to carry out drainage to flowing through water therein, and, support first filler.
The sanitary sewage diafiltration composite processing system that the present invention is provided can also be further real using following technical measures It is existing.
Preferably, one or several kinds of first filler in Dali stone sand, fine sand, zeolite.
Preferably, second filler is selected from the first gravel.
Preferably, the particle diameter span of the first gravel is 32mm~64mm.
Preferably, the sanitary sewage diafiltration composite processing system also includes ecological vegetation and soil horizon, institute State soil horizon and be laid in the first filler top, the ecological vegetation is planted on the soil horizon.
Preferably, the ecological vegetation is selected from the tall and big ecological vegetation of well developed root system, plant.
Preferably, sanitary sewage diafiltration composite processing system also include the second gate, aeration mechanism and Aeration tank,
The opposite side of the regulating reservoir can also be connected by second gate with the aeration tank;
The aeration tank is arranged at the flume bottom;
The aeration mechanism is used to spread the gas nitrified for the ecological vegetation to the aeration tank.
Preferably, the aeration mechanism includes aeration tube and aeration head, pass through the aeration tube, Neng Gouxiang The gas that the aeration head conveying is nitrified for the ecological vegetation.
Preferably, being filled with the 3rd filler in the aeration tank, the 3rd filler leads to for forming labyrinth Road.
Preferably, the 3rd filler is selected from second of gravel, the particle diameter value model of second of gravel Enclose for 16mm~32mm.
Sanitary sewage that the present invention is provided diafiltration composite processing system include regulating reservoir, ooze soon pond, discharge bay, Water inlet, delivery port, the first gate, flume, the first filler, the second filler, water inlet are opened in tune The side in pond is saved, the opposite side of regulating reservoir can be connected by the first gate with oozing pond soon, and pond is oozed soon by drawing Water channel is connected with the side of discharge bay, and delivery port is arranged at the opposite side of discharge bay;Flume is arranged to be oozed soon Bottom of pond portion;The minimum point of regulating reservoir is less than the minimum point of flume;The minimum point of discharge bay is less than flume Minimum point;First filler is clogged in oozing soon in pond, and the second filler is clogged in flume, wherein, first fills out Expect to be used for filter to penetrating into water therein, the second filler is used to carry out drainage to flowing through water therein, and, Support the first filler.When being percolated composite processing system using the sanitary sewage, the sanitary sewage in regulating reservoir leads to Cross the first gate and enter and ooze soon in pond, it can be filtered to sanitary sewage, reach and sanitary sewage is entered Row diafiltration, the purpose of purification, the sanitary sewage after filtering can reach discharge bay by flume, and Finally discharged via delivery port, it is standby.The sanitary sewage diafiltration composite processing system that the present invention is provided especially is fitted The contaminated water relatively low for water quality pollutant and organic concentration.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are for ability Domain those of ordinary skill will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and simultaneously It is not considered as limitation of the present invention.And in whole accompanying drawing, identical is denoted by the same reference numerals Part.In the accompanying drawings:
Fig. 1 is the structural representation that the sanitary sewage that the embodiment of the present invention one is provided is percolated composite processing system;
Fig. 2 is that the sanitary sewage that the embodiment of the present invention two is provided is percolated composite processing system in non-frost period Operating structure schematic diagram;
Fig. 3 is that the sanitary sewage that the embodiment of the present invention two is provided is percolated fortune of the composite processing system in frost period Row structural representation.
Embodiment
The present invention is percolated composite processing system to solve the problem of prior art is present there is provided a kind of sanitary sewage And its processing method, thus more suitable for practicality.
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below With reference to accompanying drawing and preferred embodiment, to according to sanitary sewage proposed by the present invention be percolated composite processing system and its Processing method, its embodiment, structure, feature and its effect are described in detail as after.Stated under In bright, what different " embodiment " or " embodiment " referred to is not necessarily same embodiment.In addition, one or more Special characteristic, structure or feature in embodiment can be combined by any suitable form.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, represents there may be Three kinds of relations, for example, A and/or B, is specifically interpreted as:A and B, Ke Yidan can be included simultaneously Solely there is A, can also individualism B, can possess above-mentioned three kinds of any situations.
Embodiment one
Referring to accompanying drawing 1, the sanitary sewage diafiltration composite processing system 1 that the embodiment of the present invention one is provided includes regulation Pond 4, pond 5, discharge bay 9, water inlet 2, delivery port 3, the first gate 6, flume 7, first are oozed soon Filler, the second filler, water inlet 2 are opened in the side of regulating reservoir 4, and the opposite side of regulating reservoir 4 passes through One gate 6 can be connected with oozing pond 5 soon, and pond 5 is oozed soon and is connected by flume 7 with the side of discharge bay 9, Delivery port 3 is arranged at the opposite side of discharge bay 9;Flume 7 is arranged at oozes the bottom of pond 5 soon;Regulating reservoir 4 Minimum point be less than flume 7 minimum point;The minimum point of discharge bay 9 is less than the minimum point of flume 7; First filler is clogged in oozing soon in pond 5, and the second filler is clogged in flume 7, wherein, the first filler is used Filtered in penetrating into water therein, the second filler is used to carry out drainage to flowing through water therein, and, branch Support the first filler.
The sanitary sewage diafiltration composite processing system 1 that the embodiment of the present invention one is provided includes regulating reservoir 4, oozes pond soon 5th, discharge bay 9, water inlet 2, delivery port 3, the first gate 6, flume 7, the first filler, second are filled out Material, water inlet 2 is opened in the side of regulating reservoir 4, and the opposite side of regulating reservoir 4 can by the first gate 6 Connected with oozing pond 5 soon, pond 5 is oozed soon and is connected by flume 7 with the side of discharge bay 9, delivery port 3 is set It is placed in the opposite side of discharge bay 9;Flume 7 is arranged at oozes the bottom of pond 5 soon;The minimum point of regulating reservoir 4 is low In the minimum point of flume 7;The minimum point of discharge bay 9 is less than the minimum point of flume 7;First filler is filled out Fill in oozing soon in pond 5, the second filler is clogged in flume 7, wherein, the first filler is used for penetrating into it In water filtered, the second filler is used to carry out drainage to flowing through water therein, and, support the first filler. When being percolated composite processing system using the sanitary sewage, the sanitary sewage in regulating reservoir 4 passes through the first gate 6 Enter and ooze soon in pond 5, it can be filtered to sanitary sewage, reach sanitary sewage is percolated, The purpose of purification, the sanitary sewage after filtering can reach discharge bay by flume 7, and finally pass through Discharged by delivery port 3, it is standby.The sanitary sewage diafiltration composite processing system that the present invention is provided is particularly suitable for use in Water quality pollutant and the relatively low contaminated water of organic concentration.
Wherein, one or several kinds of first filler in Dali stone sand, fine sand, zeolite.The filler is inhaled Attached performance is good, can provide substantial amounts of specific surface area for the apposition growth of microorganism;Make sewage with liquid film state stream Cross biomembrane;There are enough porositys, good permeability ensure that the supply of oxygen;There is preferable chemistry Stability;Growth to microorganism has no adverse effect;Raw material is extensively, cheap and easy to get.
Wherein, the second filler is selected from the first gravel.It is while labyrinth passage is provided, due to its hardness It is larger, more preferable supporting role can be played to the first filler, to avoid the first filler from collapsing.The present embodiment In, the particle diameter span of the first gravel is 32mm~64mm.The particle diameter of the first gravel is larger, Specific surface area is smaller, still, its effect passed through for the water by diafiltration is had no effect on, moreover, can be right First filler has more preferable supporting role.
Wherein, sanitary sewage diafiltration composite processing system 1 also includes ecological vegetation 10 and soil horizon, soil horizon The first filler top is laid in, 10 kinds of ecological vegetation is planted on soil horizon., can using the ecological vegetation 10 The oxygen transmission quantity in pond is oozed in increase soon.
Wherein, ecological vegetation 10 is selected from the tall and big ecological vegetation of well developed root system, plant.It is raw in the present embodiment State vegetation 10 is selected from reed, cattail etc..
Embodiment two
It is improved on the basis of the sanitary sewage diafiltration composite processing system that the embodiment of the present invention one is provided, Referring to accompanying drawing 2 and accompanying drawing 3, in the sanitary sewage diafiltration composite processing system that the embodiment of the present invention two is provided:
Wherein, sanitary sewage diafiltration composite processing system also includes the second gate 11, aeration mechanism and aeration tank 2, the opposite side of regulating reservoir 4 can also be connected by the second gate 11 with aeration tank 12;Aeration tank 12 is set It is placed in the bottom of flume 7;Being aerated mechanism is used to spread the gas nitrified for ecological vegetation 10 to aeration tank 12.
The sanitary sewage diafiltration composite processing system that the embodiment of the present invention two is provided is run in northern frost period When, being oozed soon during due to ice period more than pond frost line to freeze, and winter reed root system reoxygenation ability is poor, is The normal operation of maintenance system, need to carry out a small amount of gas distribution, to meet demand during nitrification function to oxygen-supplying amount.
Wherein, aeration mechanism includes aeration tube 13 and aeration head 15, can be to aeration by aeration tube 13 The gas that first 15 conveying is nitrified for ecological vegetation 10.In the present embodiment, aeration head 15 is disc type aeration head, Multiple aeration heads 15 are connected on a pallet 14 so that aeration head 15 can be distributed on pallet 14.Expose Gas pond 12 water outlet enters oozes the frost line region below of pond 5 soon, further purifies water, ooze soon the bottom of pond 5 without The part of aeration tank 12 forms anoxic zone, and denitrification function is performed by carbon source of the organic matter in sewage.Due to whole Preferably, the low-carbon organic matter generated after aerobe membrane degradation can conduct for the admixture of individual reactor The electron donor of anoxic zone, and the acidity brought of nitrification can also be neutralized quickly, beneficial to anti-nitration reaction Progress.Aerobic biologic membrane and anoxic zone are conducive to different floras to play best work in different spatial distributions With.Whole reactor floor space is small, is easy to operational administrative, can cross the work(for reaching organics removal and denitrogenation Energy.Anoxic zone water outlet enters braiding channel, into discharge bay, is discharged by drainpipe.
Wherein, the 3rd filler is filled with aeration tank 12, the 3rd filler is used to form labyrinth passage.It can Reach the effect of uniform aerating gas.In the present embodiment, the 3rd filler is selected from second of gravel, second of gravel The particle diameter span of stone is 16mm~32mm, and aerating gas can be air.
, but those skilled in the art once know base although preferred embodiments of the present invention have been described This creative concept, then can make other change and modification to these embodiments.So, appended right will Ask and be intended to be construed to include preferred embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without departing from this hair to the present invention Bright spirit and scope.So, if the present invention these modifications and variations belong to the claims in the present invention and Within the scope of its equivalent technologies, then the present invention is also intended to comprising including these changes and modification.

Claims (10)

1. a kind of sanitary sewage is percolated composite processing system, it is characterised in that including regulating reservoir, soon ooze pond, Discharge bay, water inlet, delivery port, the first gate, flume, the first filler, the second filler,
The water inlet is opened in the side of the regulating reservoir, and the opposite side of the regulating reservoir passes through described first Gate can be connected with the pond of oozing soon, the side that pond is oozed soon by the flume and the discharge bay Connection, the delivery port is arranged at the opposite side of the discharge bay;
The flume is arranged at described oozes bottom of pond portion soon;
The minimum point of the regulating reservoir is less than the minimum point of the flume;
The minimum point of the discharge bay is less than the minimum point of the flume;
First filler is clogged to be oozed in pond soon in described, and second filler is clogged in the flume,
Wherein, first filler is used to filter to penetrating into water therein,
Second filler is used to carry out drainage to flowing through water therein, and, support first filler.
2. sanitary sewage according to claim 1 is percolated composite processing system, it is characterised in that described One or several kinds of first filler in Dali stone sand, fine sand, zeolite.
3. sanitary sewage according to claim 1 is percolated composite processing system, it is characterised in that described Second filler is selected from the first gravel.
4. sanitary sewage according to claim 3 is percolated composite processing system, it is characterised in that described The particle diameter span of the first gravel is 32mm~64mm.
5. sanitary sewage according to claim 1 is percolated composite processing system, it is characterised in that also wrap Ecological vegetation and soil horizon are included, the soil horizon is laid in the first filler top, the ecological vegetation kind Plant on the soil horizon.
6. sanitary sewage according to claim 5 is percolated composite processing system, it is characterised in that described Ecological vegetation is selected from the tall and big ecological vegetation of well developed root system, plant.
7. sanitary sewage according to claim 5 is percolated composite processing system, it is characterised in that also wrap The second gate, aeration mechanism and aeration tank are included,
The opposite side of the regulating reservoir can also be connected by second gate with the aeration tank;
The aeration tank is arranged at the flume bottom;
The aeration mechanism is used to spread the gas nitrified for the ecological vegetation to the aeration tank.
8. sanitary sewage according to claim 7 is percolated composite processing system, it is characterised in that described Being aerated mechanism includes aeration tube and aeration head, by the aeration tube, can supply institute to aeration head conveying State the gas of ecological vegetation nitrification.
9. sanitary sewage according to claim 7 is percolated composite processing system, it is characterised in that described The 3rd filler is filled with aeration tank, the 3rd filler is used to form labyrinth passage;
Preferably, the 3rd filler is selected from second of gravel, the particle diameter value model of second of gravel Enclose for 16mm~32mm.
10. a kind of sanitary sewage is percolated combination treatment method, it is characterised in that based in claim 1~9 Any described system and realize.
CN201610165857.8A 2016-03-23 2016-03-23 Sanitary sewage is percolated composite processing system and its processing method Pending CN107226531A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610165857.8A CN107226531A (en) 2016-03-23 2016-03-23 Sanitary sewage is percolated composite processing system and its processing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610165857.8A CN107226531A (en) 2016-03-23 2016-03-23 Sanitary sewage is percolated composite processing system and its processing method

Publications (1)

Publication Number Publication Date
CN107226531A true CN107226531A (en) 2017-10-03

Family

ID=59931620

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610165857.8A Pending CN107226531A (en) 2016-03-23 2016-03-23 Sanitary sewage is percolated composite processing system and its processing method

Country Status (1)

Country Link
CN (1) CN107226531A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110498509A (en) * 2019-08-22 2019-11-26 广西师范大学 A kind of high ammonia nitrogen sewage treatment unit and the method using its progress sewage treatment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5863433A (en) * 1996-12-02 1999-01-26 Tennessee Valley Authority United States Corp. Reciprocating subsurface-flow constructed wetlands for improving wastewater treatment
ES2270641A1 (en) * 2001-05-21 2007-04-01 Sociedad De Explotacion De Aguas Residuales, S.A. Installation for purifying waste water by infiltration-percolation, based on filter formed in hole in the ground, with upper filter layer, lower gravel layer and covering layer supplied with water from perforated pipe
CN101456652A (en) * 2009-01-05 2009-06-17 北京大学 Device of depth denitrogen and phosphorus removal composite processing system by micro-power and method thereof
CN102674631A (en) * 2012-05-10 2012-09-19 复旦大学 Method and system for advanced treatment of centralized rural domestic sewage
CN102730900A (en) * 2012-02-24 2012-10-17 北京国环清源环境工程咨询有限责任公司 Village and town wastewater infiltration combined processing unit
CN205442977U (en) * 2016-02-29 2016-08-10 国环清源控股有限公司 Domestic sewage filtration combination processing system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5863433A (en) * 1996-12-02 1999-01-26 Tennessee Valley Authority United States Corp. Reciprocating subsurface-flow constructed wetlands for improving wastewater treatment
ES2270641A1 (en) * 2001-05-21 2007-04-01 Sociedad De Explotacion De Aguas Residuales, S.A. Installation for purifying waste water by infiltration-percolation, based on filter formed in hole in the ground, with upper filter layer, lower gravel layer and covering layer supplied with water from perforated pipe
CN101456652A (en) * 2009-01-05 2009-06-17 北京大学 Device of depth denitrogen and phosphorus removal composite processing system by micro-power and method thereof
CN102730900A (en) * 2012-02-24 2012-10-17 北京国环清源环境工程咨询有限责任公司 Village and town wastewater infiltration combined processing unit
CN102674631A (en) * 2012-05-10 2012-09-19 复旦大学 Method and system for advanced treatment of centralized rural domestic sewage
CN205442977U (en) * 2016-02-29 2016-08-10 国环清源控股有限公司 Domestic sewage filtration combination processing system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110498509A (en) * 2019-08-22 2019-11-26 广西师范大学 A kind of high ammonia nitrogen sewage treatment unit and the method using its progress sewage treatment
CN110498509B (en) * 2019-08-22 2023-09-22 广西师范大学 High ammonia nitrogen sewage treatment device and sewage treatment method using same

Similar Documents

Publication Publication Date Title
CN100378272C (en) Stereo in-situ ecological urban water system repairing process
CN103130382B (en) Aeration biological filter-artificial wetland combination sewage low-carbon treatment reactor
CN100482601C (en) Ventilating and baffling artificial wetland simulator
CN202881048U (en) Multi-medium constructed wetland water treatment system
CN208292826U (en) More PROCESS COUPLING multistage artificial wet land systems
CN104828946B (en) A kind of intensified anti-nitrated living things catalysis filler subsurface wastewater infiltration system
CN101671096A (en) Method for processing sewage by multilevel vertical-current compound manual wetting ground and processing system thereof
CN102030443A (en) Terrace type composite vertical flow forest wetland and domestic sewage treatment method thereof
CN103708671A (en) Multi-medium constructed wetland water treatment system and treatment method thereof
CN103183445A (en) Method and system for advanced treatment of rural domestic sewage
CN111484206A (en) Natural environment simulation biological sewage treatment system
CN111204927A (en) Ecological public toilet sewage treatment circulating system and sewage treatment and recycling method
CN113264641A (en) Multistage ecological wetland high-efficiency purification system
CN111484132A (en) Composite artificial wetland system for advanced treatment of tail water and sewage treatment method
CN111170580A (en) Sewage purification treatment system
CN204689842U (en) The ecological wastewater treatment system of vertical multistage AO
CN109592788A (en) A kind of efficient denitrification filters sewage disposal system ecologically
CN205635276U (en) Advanced treatment sewage secondary effluent's of factory multistage ecological unit combined system
CN109437393B (en) High-load ecological ground sewage filtering treatment method
CN208166682U (en) Multi-stage ecological artificial swamp for sewage disposal system
CN205398386U (en) Sewage treatment system based on solar energy and wind energy
CN102730900A (en) Village and town wastewater infiltration combined processing unit
CN207726821U (en) A kind of sewage treatment plant tail water artificial wet land treating system
CN107226531A (en) Sanitary sewage is percolated composite processing system and its processing method
CN205442977U (en) Domestic sewage filtration combination processing system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20171003

WD01 Invention patent application deemed withdrawn after publication