CN107089768A - A kind of sewage disposal and the method and system for reclaiming water body resource - Google Patents

A kind of sewage disposal and the method and system for reclaiming water body resource Download PDF

Info

Publication number
CN107089768A
CN107089768A CN201710358263.3A CN201710358263A CN107089768A CN 107089768 A CN107089768 A CN 107089768A CN 201710358263 A CN201710358263 A CN 201710358263A CN 107089768 A CN107089768 A CN 107089768A
Authority
CN
China
Prior art keywords
water
sewage
activated sludge
resource
pipeline
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
CN201710358263.3A
Other languages
Chinese (zh)
Inventor
严秋明
严润峰
Original Assignee
严秋明
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 严秋明 filed Critical 严秋明
Priority to CN201710358263.3A priority Critical patent/CN107089768A/en
Publication of CN107089768A publication Critical patent/CN107089768A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
    • C02F3/325—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae as symbiotic combination of algae and bacteria
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used

Abstract

The invention provides a kind of sewage disposal and the method and system of recovery water body resource, method therein includes setting the first water body for introducing sewage, the biology containing chlorophyll or fish are provided with first water body, water in first water body is incorporated into activated sludge layer by pipeline, sewage is filtered by activated sludge, stop the material in sewage, activated sludge is to being blocked in activated sludge layer or carrying out biochemical treatment by the material of activated sludge layer with drainage flow, the water after the water that activated sludge is filtered is purification.Using technical scheme, pollutant in sewage is quickly directly changed the food of aqueous bio, shorten food chain, the organic matter for having value can also be become, such as algae can make animal feed or fuel, the purpose of water quality treatment is reached simultaneously, is realized that resource is recycled, is constituted a kind of sewage resource method of comprehensive utilization.

Description

A kind of sewage disposal and the method and system for reclaiming water body resource
Technical field
The invention belongs to technical field of sewage, more particularly to a kind of sewage disposal and reclaim water body resource method and System.
Background technology
In current sewage disposal technology, biologic treating technique majority is net to reach to decompose in sewage for the purpose of material Change water quality, the carbon dioxide, the nitrogen that produce during sewage is decomposed, the gas discharge such as ammonia are aerial, are not very environmentally friendly.And dirty Material in water becomes inorganic matter discharge in the air, or becomes sludge, and value is not high.For the algae in water, existing skill Art is all to try to eliminate algae, ensures and suspension is free of in water.The few utilization sewage resources of prior art reach purified water again The technology of matter, or utilization rate is low and has and there is technical problem.
The content of the invention
For above technical problem, the invention discloses a kind of sewage disposal and the method and system of recovery water body resource, The material in sewage can be made to realize that resource is recycled, the purpose of water quality treatment is can reach again.
In this regard, the technical solution adopted by the present invention is：
A kind of sewage disposal and the method for reclaiming water body resource, including the first water body for introducing sewage, first water body are set In be provided with the biology containing chlorophyll or fish, the water in the first water body is incorporated into activated sludge layer by pipeline；Pass through work Property sludge sewage is filtered, stop sewage in material, activated sludge is to being blocked in activated sludge layer or with sewage Flowing carries out biochemical treatment by the material of activated sludge layer, the water after the water that activated sludge is filtered is purification.
It is preferred that, stir water body by power set.Wherein, the power set can be impeller or aerator.
Using this technical scheme, by the use of activated sludge as the material of blocking filter thing, and organism in water is set to rest on original Grown in the range of ground, pass through power set（Impeller or aerator）Stirring water body makes to rest on the biomass height in sewage Intensive, dirty water pollutant provides nutrition for organism in water.The obstacles stopped using activated sludge or by activated sludge and work Property sludge the close, thin, saturating of assembly, resistance and biochemical characteristic, stop material in sewage, and be blocked in activated sludge layer Material that is interior or passing through with drainage flow is again by biochemical treatment.So, processing and the purpose purified water are realized.To contain leaf Green plain biology or fish etc. are as main body, and the benefit materials in nutriment and original first water body after biochemical treatment can Using the food as the biology containing chlorophyll or fish, the pollutant in sewage is quickly directly changed the food of aqueous bio Thing, shortens food chain；In addition, the biology or fish fast-growth containing chlorophyll in the first water body, become have value Material, such as algae can make animal feed or fuel；So, using technical scheme, processing and purified water are reached The purpose of matter, while realizing that resource is recycled, constitutes a kind of sewage resource comprehensive utilization side, with good commerciality profit With value.
Using the method, blocking filter device is used as with activated sludge（Thing）Material, can equally handle the water such as river, river, lake The solids of body.
It is preferred that, the water velocity of delivery port is less than 10 ms/h after purification.
As a further improvement on the present invention, it includes the second water body, and the activated sludge layer is located at the bottom of the second water body Aerator is provided with portion, the pipeline；It is described to include algae provided with the biology containing chlorophyll；The drainage flow process In, the flowing of biocenose algae is carried, the stop through the device aeration in piping makes biocenose algae for being blocked etc. Continued growth in the first water body is remained in, and the material in sewage is blocked by being filtered in activated sludge layer after filtering Material is by activated sludge biochemical, and biochemical analyte provides nutrient for the growth of algae and fish etc..Wherein, exposed in pipeline Gas drives algae to be gathered toward exhaust outlet, is removed when algal accumulation is more, such as Measures of Algae in Water Body amount does not reach saturation state, does not carry Take, water body is returned by water inlet, continue with sewage.
Further, the pipeline is to be obliquely installed or L-shaped pipeline.
As a further improvement on the present invention, on the water surface of first water body light source, is provided with the water surface or water, by dynamic Power apparatus stirs water body, promotes the biology containing chlorophyll and photosynthetic bacteria to receive light source and carries out photosynthesis.Using this technology Scheme, algae and photosynthetic bacteria receive light source and carry out photosynthesis；In gauge without light source or the inadequate time domain of light source, these biologies are entered Row oxygen source is supplemented, and is used as its growth conditions.Water body is set to receive light source in shape rolling, rotation is rolled using the power set in water body Or gauge without light source（Light source is inadequate）Replace, to consume in sewage material and obtain nutrition, promote its fast-growth；After processed Water body is toward next water body flow.Biomass in the first water body, such as algae, take out or give over to fish etc. when reaching a certain amount of Biological food, forms resource reuse, shortens food chain.
As a further improvement on the present invention, aerator or oxygenate apparatus are provided with first water body, in gauge without light source Or the inadequate time domain of light source, oxygen source supplement is carried out to the biology containing chlorophyll or fish, the primary condition of its growth is met. Water body is toward that during next water body flow, can carry the flowing such as biocenose algae, aerator aeration through piping and living Property sludge blanket stop, biocenose algae being blocked etc. can be made to remain in continued growth in the first water body, and stop and existing Material in activated sludge layer or after filtering, by activated sludge biochemical when by activated sludge layer, and biochemical analyte weight Return growth of first water body again for algae etc. and nutrient is provided.
As a further improvement on the present invention, in the pipeline provided with aerator aeration head or the outlet of oxygenate apparatus Mouthful.Using this technical scheme, the aerator or oxygenate apparatus play a part of as follows：Solid-liquid point is realized in air supporting in A, pipeline From；B, make the microorganism in water body in pipeline will not be dead without oxygen source；C, frond or other biological body stopped outside pipeline, Algae etc. is not allowed to enter activated sludge layer as far as possible, that misses enters the stop through activated sludge layer again, realizes double cutting off inflow, makes life Thing colony algae remains in continued growth in the first water body.Really what can not be prevented just enters activated sludge layer biochemistry, biochemistry Into sludge or decomposition.Using this technical scheme, activated sludge is not discharged, activated sludge death is decomposed becomes inorganic matter again, decomposes Inorganic matter again into algae nutrients.
As a further improvement on the present invention, the water inlet or/and water outlet in the pipeline are provided with aerator The gas outlet of aeration head or oxygenate apparatus.
The invention also discloses a kind of sewage disposal and the system for reclaiming water body resource, it is used described in as above any one Sewage disposal and reclaim water body resource method handled, the sewage disposal and reclaim water body resource system include dirt Algae or organism in water are provided with water storage pool and clarifier-tank, the sewage storage pond, the clarifier-tank bottom is provided with activated sludge Pipeline is provided with layer, the sewage storage pond, the water inlet of the pipeline is located at the underwater in sewage storage pond, the pipeline Delivery port is located in the activated sludge layer, and the water inlet of the pipeline is higher than the delivery port of the pipeline.It is preferred that, the dirt Water storage pool is provided with the impeller or aerator for being used for stirring sewage.It is preferred that, the pipeline is obliquely installed.It is preferred that, institute The delivery port for stating pipeline is located at below activated sludge layer surface not less than 1cm.
As a further improvement on the present invention, the sewage disposal and reclaim water body resource system include aerator or Impeller device, the aeration head gas outlet of the impeller device or aerator is located in the sewage storage pond.
As a further improvement on the present invention, the water inlet or/and water outlet in the pipeline are provided with aerator The gas outlet of aeration head or oxygenate apparatus.
As a further improvement on the present invention, the sewage storage pond is provided with light source, and the light source is located at sewage storage pond The water surface, on the water surface or in water.
As a further improvement on the present invention, the sewage storage pond is provided with wastewater inlet, and the clarifier-tank is provided with purification Water out.
As a further improvement on the present invention, the delivery port of the pipeline is located at below activated sludge layer surface and is not less than 1cm。
As a further improvement on the present invention, the pipeline be provided with algae collecting pipe, the entrance of the algae collecting pipe with Water inlet and the delivery port connection of pipeline, the outlet of the algae collecting pipe are stretched out outside the water surface of the first water body, play exhaust Effect.Further, the algae collecting pipe and pipeline formation threeway.Wherein, the algae collecting pipe is poured in for collection Algae in pipeline.Removed when algal accumulation is more, such as Measures of Algae in Water Body amount does not reach saturation state, does not extract, by entering water Salty backwater body, continues with sewage.
As a further improvement on the present invention, the pipeline is provided with multiple water outlets in the part in activated sludge layer Mouthful, it is equipped with aeration head in each delivery port.The algae that flows away is returned to raw water body, continued growth by aeration head.
As a further improvement on the present invention, drift or hanger are set in the sewage storage pond.
Compared with prior art, beneficial effects of the present invention are：
Using technical scheme, the pollutant in sewage is quickly directly changed the food of aqueous bio, shortens food Chain, can also become the organic matter for having value, such as algae can make animal feed or fuel, while reaching water quality treatment Purpose, realizes that resource is recycled, constitutes a kind of sewage resource method of comprehensive utilization.
Brief description of the drawings
Fig. 1 is a kind of sewage disposal of the embodiment of the present invention 1 and reclaims the structural representation of the system of water body resource.
Fig. 2 is a kind of sewage disposal of the embodiment of the present invention 3 and reclaims the structural representation of the system of water body resource.
Embodiment
The preferably embodiment to the present invention is described in further detail below.
Embodiment 1
As shown in figure 1, a kind of sewage disposal and the system for reclaiming water body resource, the sewage disposal and recovery water body resource is System includes being provided with algae 3, water fish in sewage storage pond 1 and clarifier-tank 2, the sewage storage pond 1, and the bottom of clarifier-tank 2 is provided with Pipeline 5 is provided with activated sludge layer 4, the sewage storage pond 1, the pipeline 5 is obliquely installed, the water inlet 51 of the pipeline 5 The underwater in sewage storage pond 1 is located at, the delivery port 52 of the pipeline 5 is located in the activated sludge layer 4, the pipeline 5 Water inlet 51 is higher than the delivery port 52 of the pipeline 5；The sewage storage pond 1 is provided with the impeller 6 for being used for stirring sewage or exposed Device of air.The system of the sewage disposal and recovery water body resource includes aerator, and the aeration head 7 of the aerator is located at In the pipeline 5.The sewage storage pond 1 is provided with light source 8, and the light source 8 is located on the water surface in sewage storage pond 1.The dirt Water storage pool 1 is provided with wastewater inlet 11, and the clarifier-tank 2 is provided with treated water outlet 21.
It is preferred that, aeration head 7 or oxygenation at the water inlet 51 or/and delivery port 52 of the pipeline 5 provided with aerator The gas outlet of device.The delivery port 52 of the pipeline 5, which is located at below the surface of activated sludge layer 4, is not less than 1cm.
Embodiment 2
A kind of sewage disposal and the method for reclaiming water body resource, using embodiment 1 sewage disposal and reclaim water body resource and be System, it comprises the following steps：
The water body in sewage storage pond is stirred by power set, the water in sewage storage pond is incorporated into clarifier-tank bottom by pipeline In the activated sludge layer in portion, sewage is filtered by activated sludge, the material in sewage is stopped, activated sludge is to being blocked Biochemical treatment is carried out in activated sludge layer or with drainage flow by the material of activated sludge layer, is filtered by activated sludge Water is the water after purification.
Aerator is provided with the pipeline；It is described to include algae, the drainage flow provided with the biology containing chlorophyll During, the flowing of biocenose algae is carried, the stop through the device aeration in piping makes the biocenose algae being blocked Class etc. remains in continued growth in the first water body, and the material in sewage is hindered by being filtered in activated sludge layer after filtering The material blocked is by activated sludge biochemical, and biochemical analyte provides nutrient for the growth of algae etc..
The water surface in the sewage storage pond is provided with light source, promotes the biology containing chlorophyll and photosynthetic bacteria to receive light source Carry out photosynthesis.
The aeration head of aerator or the gas outlet of oxygenate apparatus are set in the pipeline, it is inadequate in gauge without light source or light source Time domain, carries out oxygen source supplement to algae or organism in water, meets the primary condition of its growth.
Using the above method, remained in after algae processing sewage in the range of original place and continue with new sewage and growth, Water after processing flows away.So break and algae and sludge have been carried out the need for prior art those skilled in the art think The technology prejudice of processing, realizes and preferably sewage is handled, preferably utilize resource.Using the technical side of the present invention Case, algae directly or indirectly can provide value for the mankind, and activated sludge is the repository of resource, and sewage is energy source.
Handle according to the method described above, the raw words COD of sewage of processing is in 300mg/L sewage, can be averaged in every liter of sewage The middle water outlet COD extracted in about half-dried more than algae substances 150mg, water purifying tank, BOD, total nitrogen mark discharge standard up to one-level A.
Embodiment 3
As shown in Fig. 2 a kind of sewage disposal and the system for reclaiming water body resource, the sewage disposal and recovery water body resource is System includes being provided with algae 3, water fish in sewage storage pond 1 and clarifier-tank 2, the sewage storage pond 1, and the bottom of clarifier-tank 2 is provided with Pipeline 5 is provided with activated sludge layer 4, the sewage storage pond 1, the water inlet 51 of the pipeline 5 is located at the water in sewage storage pond 1 Under face, the delivery port 52 of the pipeline 5 is located in the activated sludge layer 4, and the water inlet 51 of the pipeline 5 is higher than the pipeline 5 delivery port 52.The pipeline 5 is L-shaped, its first body 53 for including being located at sewage storage pond 1 and positioned at clarifier-tank 2 the Two bodys 54, the top of first body 53 is connected with algae collection conduit 55, the entrance of the algae collecting pipe 55 and The water inlet 51 and delivery port 52 of one body 53 are connected, and the algae collecting pipe 55 is located at the top of water inlet 51；The algae The outlet of class collecting pipe 55 is stretched out outside the water surface of the first water body.Second body 54 is set in the part in activated sludge layer Have in multiple outlet pipes 56, each outlet pipe 56 and be equipped with aeration head 7.The outlet pipe 56 is towards the bottom of activated sludge layer. The sewage storage pond 1 is provided with the impeller 6 or aerator for being used for stirring sewage.The sewage storage pond 1 is provided with light source 8, The light source 8 is located at the underwater in sewage storage pond 1.The sewage storage pond 1 is provided with wastewater inlet 11, and the clarifier-tank 2 is set There is treated water outlet 21.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's Protection domain.

Claims (10)

1. a kind of sewage disposal and the method for reclaiming water body resource, it is characterised in that：The first water body of sewage is introduced including setting, The biology containing chlorophyll or fish are provided with first water body, the water in the first water body is incorporated into active dirt by pipeline Mud layer, is filtered by activated sludge to sewage, stops the material in sewage, activated sludge is to being blocked in activated sludge layer Material that is interior or passing through activated sludge layer with drainage flow carries out biochemical treatment, after the water that activated sludge is filtered is purification Water.
2. sewage disposal according to claim 1 and the method for reclaiming water body resource, it is characterised in that：It includes the second water Body, the activated sludge layer, which is located in the bottom of the second water body, the pipeline, is provided with aerator；Described be provided with contains chlorophyll Biology include algae, during the drainage flow, carry the flowing of biocenose algae, be aerated through the device in piping Stop, biocenose algae being blocked etc. is remained in continued growth in the first water body, and the material in sewage passes through Filtered in activated sludge layer, the material being blocked after filtering is by activated sludge biochemical, and biochemical analyte is algae etc. Growth provides nutrient.
3. sewage disposal according to claim 2 and the method for reclaiming water body resource, it is characterised in that：First water body The water surface on, light source is provided with the water surface or water, stir water body by power set, promote biological and photosynthetic thin containing chlorophyll Bacterium receives light source and carries out photosynthesis.
4. sewage disposal according to claim 1 and the method for reclaiming water body resource, it is characterised in that：First water body In be provided with aerator or oxygenate apparatus, in gauge without light source or the inadequate time domain of light source, the biology containing chlorophyll or fish are entered Row oxygen source is supplemented, and meets the primary condition of its growth.
5. a kind of sewage disposal and the system for reclaiming water body resource, it is characterised in that：It is used such as claim 1 ~ 4 any one Described sewage disposal and the method for recovery water body resource are handled, the sewage disposal and the system bag for reclaiming water body resource Include and algae or organism in water are provided with sewage storage pond and clarifier-tank, the sewage storage pond, the clarifier-tank bottom is provided with activity Pipeline is provided with sludge blanket, the sewage storage pond, the water inlet of the pipeline is located at the underwater in sewage storage pond, the pipe The delivery port in road is located in the activated sludge layer, and the delivery port of the pipeline, which is located at below activated sludge layer surface, to be not less than 1cm；The water inlet of the pipeline is higher than the delivery port of the pipeline.
6. sewage disposal according to claim 5 and the system for reclaiming water body resource, it is characterised in that：The sewage storage Pond, which is provided with, is used for the power set for the impeller or aerator for stirring sewage, the aeration of the impeller device or aerator Head gas outlet is located in the sewage storage pond.
7. sewage disposal according to claim 5 and the system for reclaiming water body resource, it is characterised in that：In the pipeline The gas outlet of water inlet or/and water outlet aeration head or oxygenate apparatus provided with aerator.
8. sewage disposal according to claim 5 and the system for reclaiming water body resource, it is characterised in that：The sewage storage Pond is provided with light source, and the light source is on the water surface, the water surface in sewage storage pond or in water.
9. sewage disposal according to claim 5 and the system for reclaiming water body resource, it is characterised in that：The pipeline is provided with Algae collecting pipe, the entrance of the algae collecting pipe is connected with the water inlet and delivery port of pipeline, the algae collecting pipe Outlet is stretched out outside the water surface of the first water body.
10. sewage disposal according to claim 5 and the system for reclaiming water body resource, it is characterised in that：The pipeline exists Part in activated sludge layer is provided with the delivery port of more than 1, each delivery port and is equipped with aeration head.
CN201710358263.3A 2017-05-19 2017-05-19 A kind of sewage disposal and the method and system for reclaiming water body resource Pending CN107089768A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710358263.3A CN107089768A (en) 2017-05-19 2017-05-19 A kind of sewage disposal and the method and system for reclaiming water body resource

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710358263.3A CN107089768A (en) 2017-05-19 2017-05-19 A kind of sewage disposal and the method and system for reclaiming water body resource

Publications (1)

Publication Number Publication Date
CN107089768A true CN107089768A (en) 2017-08-25

Family

ID=59640336

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710358263.3A Pending CN107089768A (en) 2017-05-19 2017-05-19 A kind of sewage disposal and the method and system for reclaiming water body resource

Country Status (1)

Country Link
CN (1) CN107089768A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108585208A (en) * 2018-04-18 2018-09-28 南昌航空大学 A method of utilizing microalgae and the high nitrogen low-carbon Rare Earth Mine mining wastewater of activated sludge step-by-step processing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108585208A (en) * 2018-04-18 2018-09-28 南昌航空大学 A method of utilizing microalgae and the high nitrogen low-carbon Rare Earth Mine mining wastewater of activated sludge step-by-step processing

Similar Documents

Publication Publication Date Title
CN101481194B (en) town domestic sewage treatment process
CN102515430B (en) Live pig slaughtering wastewater treating method
CN203878024U (en) Wastewater treatment system for culture farm
CN104310714B (en) A kind of cultivation and system and technique thereof of butchering sewage processed
CN106219871A (en) A kind of livestock breeding wastewater processing method
CN108975615B (en) Biogas slurry ecological treatment breeding system
CN1631817A (en) Integrated anaerobic-wetland wastewater treatment apparatus and method therefor
CN105836969B (en) A kind of Wastewater from Pig Farm processing method
CN107601755B (en) Ecological treatment method for sewage of farm
CN105621789B (en) A kind of biogas slurry treatment device and method based on microdisk electrode
CN102464404A (en) Method and system for remediation and treatment of polluted river water
CN104761102A (en) Comprehensive reaction purification treatment method for recycling culture tail water
CN103613245A (en) Treatment process for waste water in neuropeptide product production
CN205473208U (en) Rural domestic sewage MBR of integral type and constructed wetland composite treatment device
CN104961289A (en) Micro-nano aeration high-efficiency biotreatment technical system for livestock and poultry breeding wastewater
CN204958644U (en) Micro -nano aeration high -efficiency biological processing apparatus of waste water is bred to beasts and birds
CN106186339A (en) A kind of stain disease processing method with granule immobilization cell as core
CN110183032A (en) A kind of livestock breeding wastewater recycling treatment system
CN206437996U (en) A kind of cultivating wastewater purification device
CN107089768A (en) A kind of sewage disposal and the method and system for reclaiming water body resource
CN204058166U (en) A kind of Sewage treatment systems
CN104016543B (en) A kind of Sewage treatment systems
CN208577510U (en) A kind of microkinetic combined film bioreactor
CN207811366U (en) A kind of sewage disposal system
CN104591509A (en) Effective denitrification device of industrial aquaculture tail water

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