CN110776194B - Wastewater treatment system and method based on ecological water treatment coupling geothermal energy - Google Patents

Wastewater treatment system and method based on ecological water treatment coupling geothermal energy Download PDF

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Publication number
CN110776194B
CN110776194B CN201910970018.7A CN201910970018A CN110776194B CN 110776194 B CN110776194 B CN 110776194B CN 201910970018 A CN201910970018 A CN 201910970018A CN 110776194 B CN110776194 B CN 110776194B
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wastewater
treatment
ecological
geothermal energy
septic tank
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CN110776194A (en
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王树众
雷杰
杨闯
徐甜甜
杨健乔
王玉珍
张熠姝
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Xi an Jiaotong University
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/50Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection
    • 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
    • C02F3/28Anaerobic digestion processes
    • 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
    • C02F3/301Aerobic and anaerobic treatment in the same reactor
    • 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
    • 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
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/327Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants

Abstract

The invention discloses a system and a method for treating waste water based on ecological water treatment coupling geothermal energy. The park type rural wastewater treatment system has the advantages of high and stable treatment efficiency, low operation cost, low operation requirement and good environmental and ecological benefits.

Description

Wastewater treatment system and method based on ecological water treatment coupling geothermal energy
Technical Field
The invention belongs to the technical field of water treatment, and relates to a wastewater treatment system and method based on ecological water treatment coupled geothermal energy.
Background
At present, the sewage discharge amount in villages is large, and the wastewater treatment rate is low. The direct discharge of rural waste water without harmless treatment has great harm, such as worsening the environmental condition of rural areas, causing the pollution of underground water and water source areas and secondary pollution of land; excrement and urine of rural waste water are rich in organic matters, so disease vectors such as mosquitoes, flies and the like are easy to breed, and disease transmission is caused; influences the living environment conditions of the farmers and brings serious threats to the health of the farmers.
At present, the common treatment methods for rural waste water mainly comprise two types: 1) the treatment technology taking a high-energy-consumption activated sludge method as a core comprises SBR, A/O, an oxidation ditch and the like; 2) the disposal technology taking the ecological disposal technology as a core comprises an artificial wetland, a rapid infiltration system, a biological pond and the like; the rural wastewater treatment in China is mainly based on an activated sludge method with manual oxygenation and high energy consumption, and the technical share accounts for about 82 percent.
The existing rural wastewater treatment method has the following main disadvantages: 1) rural waste water treatment equipment has high operating cost, high technical requirement, high equipment operation difficulty and high equipment vacancy rate, and causes environmental pollution and resource waste; 2) the treatment effect of rural waste water in northern areas is poor in winter, and particularly, the effluent quality does not reach the standard due to the fact that an ecological treatment system (such as an artificial wetland) is greatly influenced by temperature.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a wastewater treatment system and method based on ecological water treatment coupled with geothermal energy, which realize harmless treatment of rural wastewater by simulating a natural ecological treatment system and combining shallow geothermal energy, a biomembrane technology and artificial intensified oxygenation; 2) the ecological design is used as guidance to construct a complete natural ecological community structure and an ecological environment system, so that a good living environment is provided for aquatic, wet and terrestrial animals and plants, the biological diversity and ecological balance are maintained, and the overall ecological environment quality of an area is improved; 3) by referring to landscape design, the landscape design of the ecological water treatment system is realized, and the beautiful rural construction of the power is assisted.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a wastewater treatment system based on ecological water treatment coupling geothermal energy comprises a mechanical grid, shallow geothermal energy, a three-grid septic tank, an adjusting tank, a surface flow constructed wetland, a biological carbon tank, a biological stabilization pond and a cache pond which are sequentially connected;
the blower is respectively connected with the surface flow constructed wetland and the biostabilization pond; biological fillers are arranged in a tank body at the tail end of the three-grid type septic tank; emergent aquatic plants are planted in the surface flow constructed wetland; submerged plants, landscape plants and floating plants are planted in the biostabilization pond.
A wastewater treatment method based on ecological water treatment coupling geothermal energy comprises the following steps:
step 1: the domestic wastewater is subjected to removal of suspended matters through a mechanical grating and then enters a three-grid septic tank for hydrolysis and acidification;
step 2: domestic wastewater treated by the three-grid septic tank sequentially enters the regulating tank and the surface flow artificial wetland;
step 3; and the domestic wastewater treated by the surface flow artificial wetland enters a biological carbon pond and a biological stabilization pond in sequence for harmless treatment, and then is subjected to agricultural irrigation.
Furthermore, the three-grid septic tank is connected with shallow geothermal energy, utilizes shallow geothermal energy to heat waste water when winter, guarantees that winter waste water temperature is greater than 16 ℃.
Furthermore, activated biomass is used as a filler in the biological carbon pool, and a biological carbon source is provided for effluent of the surface flow artificial wetland.
Furthermore, the three-format septic tank is used for pretreating wastewater, the wastewater is subjected to harmless treatment, and solid sludge generated after the bottom is harmless is used for composting and agriculture, so that resource treatment is realized; carrying out fermentation hydrolysis on the wastewater under an anaerobic condition; biological fillers are arranged in a tank body at the tail end of the three-grid type septic tank and are used for improving the biomass of hydrolytic acidification bacteria in the three-grid type septic tank.
Furthermore, the surface flow artificial wetland is connected with an air blower, and the air blower is started to perform artificial oxygen delivery when the concentration of organic pollutants or ammonia nitrogen in raw water is increased.
Further, the biological carbon pool takes biomass as a slow-release carbon source.
Furthermore, the ecological stabilization pond consists of an aerobic layer, a facultative layer and an anaerobic layer from top to bottom, and the advanced treatment of ammonia nitrogen and organic matters is completed.
Further, the ecological stabilization pond is provided with emergent aquatic plants, floating leaf plants, submerged plants, plankton and fishes from top to bottom to construct an ecological chain.
Further, be equipped with the baffle in the buffer memory pond to adopt sodium hypochlorite to disinfect, disinfect domestic wastewater.
Compared with the prior art, the invention has the following beneficial effects:
the combined wastewater treatment process taking the natural ecological treatment system as a core has the advantages of unpowered or micro-powered operation, low technical requirement and low operation cost, can treat the wastewater up to the standard, meets the national first-class A discharge standard, and realizes harmless treatment; geothermal energy is adopted to provide heat for the ecological disposal system, so that the effluent water in winter is ensured to be discharged up to the standard, and good environmental protection benefits are achieved; the ecological wastewater treatment system takes ecological design as a principle to construct a complete natural ecological community structure and an ecological environment system, provides a good living environment for aquatic animals, wet animals and plants and terrestrial plants, maintains biological diversity and ecological balance, and improves and promotes the overall ecological environment quality of an area. The rural waste water treatment process has the advantages of high and stable treatment efficiency, low operation cost, low operation requirement and good environmental and ecological benefits.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the system of the present invention.
Wherein: 1-a mechanical grid; 2-shallow geothermal energy; 3-a three-grid septic tank; 4-a regulating tank; 5-surface flow artificial wetland; 6-a biological carbon pool; 7-a biostable pond; 8-a cache pool; 9-submerged plants; 10-planting; 11-floating plants; 12-fouling resistant emergent aquatic plants; 13-a blower; 14-biological filler.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments, and are not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Various structural schematics according to the disclosed embodiments of the invention are shown in the drawings. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
In the context of the present disclosure, when a layer/element is referred to as being "on" another layer/element, it can be directly on the other layer/element or intervening layers/elements may be present. In addition, if a layer/element is "on" another layer/element in one orientation, then that layer/element may be "under" the other layer/element when the orientation is reversed.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the system for treating waste water based on ecological water treatment coupled geothermal energy comprises a mechanical grating 1, shallow geothermal energy 2, a three-grid septic tank 3, a regulating tank 4, a surface flow artificial wetland 5, a biological carbon tank 6, a biological stabilization pond 7, a buffer tank 8, submerged plants 9, scenic plants 10, floating plants 11, pollution-resistant emergent aquatic plants 12, an air blower 13 and biological fillers 14;
the mechanical grating 1, the three-grid septic tank 3, the regulating tank 4, the surface flow artificial wetland 5, the biological carbon tank 6, the biological stabilization pond 7 and the buffer tank 8 are connected in sequence; the blower 13 is connected with the surface flow constructed wetland 5 and the biostabilization pond 7; biological filler 14 is additionally arranged in a tank body at the tail end of the three-grid type septic tank 3; the surface flow artificial wetland 5 is planted with stain-resistant emergent aquatic plants 12; the plants in the biostabilization pond 7 comprise submerged plants 9, scenic plants 10 and floating plants 11; the three-grid septic tank 3 is connected with the shallow geothermal energy 2.
The rural domestic wastewater sequentially enters a mechanical grid 1, a three-grid septic tank 3, an adjusting tank 4, a surface flow artificial wetland 5, a biological carbon tank 6 and a biological stabilization pond 7, is subjected to harmless treatment and then is subjected to resource utilization for agricultural irrigation;
removing large suspension of leaves, fruit trees and the like from rural domestic wastewater in a mechanical grid 1, allowing the wastewater to enter a three-grid septic tank 3 for hydrolysis and acidification, and then entering a subsequent water ecological treatment system, wherein solid waste generated by the mechanical grid and the three-grid septic tank enters compost for composting;
the three-grid septic tank 3 is connected with shallow geothermal energy 2, and the shallow geothermal energy is used for heating the wastewater in winter in the north, so that the temperature of the wastewater in winter in the north is ensured to be more than 16 ℃; the three-grid septic tank 3 is used for pretreatment of wastewater, pathogenic bacteria, mycoplasma and other disease infection sources contained in rural wastewater are fermented and inactivated, harmless treatment of the rural wastewater is realized, and solid sludge generated after bottom harmlessness is used for composting and agriculture, so that resource treatment is realized; under the anaerobic condition, the rural wastewater is fermented and hydrolyzed, so that the biochemical property of the wastewater is improved, the treatment load and the investment cost of a subsequent water treatment system are reduced, and the stability and the treatment efficiency of the water treatment system are improved. Biological filler 14 is additionally arranged in the tank body at the tail end of the three-grid type septic tank 3, so that the biomass of hydrolytic acidification bacteria in the three-grid type septic tank is improved, and the hydrolytic acidification reaction is facilitated.
The surface flow artificial wetland 5 is oxygenated by the stain-resistant emergent aquatic plants 12 and the atmosphere, so that the aerobic environment of the surface flow artificial wetland 5 is ensured; when the concentration of organic pollutants or ammonia nitrogen in raw water is suddenly increased by the surface flow artificial wetland 5 and the blower 13, artificial oxygen is supplied, and the removal effect of the ammonia nitrogen and the organic pollutants is enhanced.
The biological carbon pool 6 adopts activated biomass as a filler, provides a biological carbon source for effluent of the surface flow artificial wetland 5, and enhances the removal of nitrogen. The organic pollutants in the rural domestic wastewater are removed in a natural reoxygenation surface flow constructed wetland system, the ammonia nitrogen is oxidized into nitrate nitrogen, the wastewater passes through a carbon pond to supplement BOD in the wastewater, denitrification treatment is carried out in an ecological stabilization pond to denitrify, and the introduction of a biological carbon pond 6 ensures the removal efficiency of the water treatment system to the nitrogen. The biological carbon pool 6 takes biomass (branches, straws and the like after acidification) as a slow-release carbon source, and has good economic benefit and no secondary pollution compared with the addition of chemical carbon sources such as methanol and the like.
The ecological stabilization pond 7 is composed of an aerobic layer, a facultative layer and an anaerobic layer from top to bottom, completes the advanced treatment of ammonia nitrogen and organic matters, and ensures that the effluent meets the national first-class A discharge standard. The ecological stabilization pond 7 has a complex ecological structure and high species diversity, and has a community species succession series of submerged plant communities-floating leaf plant communities-emergent water plant communities-hygrophyte communities, and a plurality of animals, plants, microorganisms and communities formed by the animals, the plants and the microorganisms, so that a complex ecological system and a rich ecological landscape are formed. The ecological stabilization pond 7 is composed of emergent aquatic plants, floating plants, submerged plants, plankton and fish from top to bottom, a complete ecological chain is constructed, and the ecological stabilization pond 7 has continuous and stable economic biomass (cash crops, fish and the like) output and economic benefits.
The biological stabilization pond is combined with three-dimensional fishery culture and ecological park, and the ecological park is combined with entertainment education; the effluent of the biostabilization pond is used for agricultural irrigation, the stereoscopic cultivation of fishery is realized in the biostabilization pond, the intensive utilization of the occupied area of the biostabilization pond is realized, and the land utilization rate is improved.
A baffle is arranged in the cache pool 8, and sodium hypochlorite is adopted to further sterilize and disinfect the wastewater.
The invention also discloses a wastewater treatment method based on the ecological water treatment coupling geothermal energy, which comprises the following steps:
1) removing larger suspension of leaves, fruit trees and the like from the rural domestic wastewater in a mechanical grid, allowing the wastewater to enter a three-grid septic tank for hydrolysis and acidification, then entering a subsequent water ecological treatment system, and allowing solid waste generated by the mechanical grid and the three-grid septic tank to enter compost for composting treatment;
2) the three-grid septic tank is connected with shallow geothermal energy, the shallow geothermal energy is used for heating the wastewater in winter in the north, and the temperature of the wastewater in winter in the north is ensured to be more than 16 ℃; the three-format septic tank is used for pretreating wastewater, pathogenic bacteria, mycoplasma and other disease infection sources contained in rural wastewater are fermented and inactivated, so that harmless treatment of the rural wastewater is realized, and solid sludge with harmless bottom is used for composting and agriculture, so that resource treatment is realized; under the anaerobic condition, the rural wastewater is fermented and hydrolyzed, so that the biochemical property of the wastewater is improved, the treatment load and the investment cost of a subsequent water treatment system are reduced, and the stability and the treatment efficiency of the water treatment system are improved.
3) Organic pollutants in rural domestic wastewater are removed in a natural reoxygenation surface flow constructed wetland system, ammonia nitrogen is oxidized into nitrate nitrogen, the wastewater passes through a carbon pond to supplement BOD in the wastewater, denitrification treatment is carried out in an ecological stabilization pond to carry out denitrification, and the introduction of a biological carbon pond ensures the removal efficiency of a water treatment system to nitrogen; the biological carbon pool takes biomass (branches, straws and the like after acidification) as a slow-release carbon source, and has good economic benefit and no secondary pollution compared with the addition of chemical carbon sources such as methanol and the like.
4) The ecological stabilization pond consists of an aerobic layer, an facultative layer and an anaerobic layer from top to bottom, completes the advanced treatment of ammonia nitrogen and organic matters, and ensures that the effluent meets the national first-class A discharge standard; the ecological stabilization pond has a complex ecological structure and high species diversity, and forms a complex ecological system and rich ecological landscape by a community species succession series of submerged plant community-floating leaf plant community-emergent plant community-hygrophyte community and a community formed by various animals, plants and microorganisms; the ecological stabilization pond consists of emergent aquatic plants, floating plants, submerged plants, plankton and fish from top to bottom, a complete ecological chain is constructed, and the ecological stabilization pond is endowed with continuous and stable economic biomass (cash crops, fish and the like) output and economic benefits.
The invention also has the following advantages
(1) The combined wastewater treatment process taking a natural ecological treatment system as a core has the advantages of unpowered or micro-powered operation, low technical requirement and low operating cost, can treat wastewater up to the standard, meets the national first-class A discharge standard, and realizes harmless treatment; geothermal energy is adopted to provide heat for the ecological disposal system, so that the effluent water in winter is ensured to be discharged up to the standard, and good environmental protection benefits are achieved;
(2) the wastewater ecological disposal system constructs a complete natural ecological community structure and an ecological environment system, provides a good living environment for aquatic animals, wet animals and plants and terrestrial plants, maintains biological diversity and ecological balance, and improves and promotes the overall ecological environment quality of an area.
The park type rural wastewater treatment system has the advantages of high and stable treatment efficiency, low operation cost, low operation requirement and good environmental and ecological benefits.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.

Claims (7)

1. A wastewater treatment system based on ecological water treatment coupling geothermal energy is characterized by comprising a mechanical grating (1), a three-grid septic tank (3), an adjusting tank (4), a surface flow artificial wetland (5), a biological carbon tank (6), a biological stabilization pond (7) and a cache pond (8) which are connected in sequence; the three-grid septic tank (3) is connected with shallow geothermal energy (2);
the blower (13) is respectively connected with the surface flow artificial wetland (5) and the biostabilization pond (7); biological fillers (14) are arranged in a tank body at the tail end of the three-grid septic tank (3); emergent aquatic plants (12) are planted in the surface flow artificial wetland (5); submerged plants (9), scenic plants (10) and floating plants (11) are planted in the biostabilization pond (7).
2. A wastewater treatment method based on ecological water treatment coupled with geothermal energy is characterized by comprising the following steps:
step 1: the domestic wastewater is treated by removing suspended matters through a mechanical grating (1) and then enters a three-grid septic tank (3) for hydrolysis and acidification;
step 2: domestic wastewater treated by the three-grid septic tank (2) sequentially enters the regulating tank (4) and the surface flow artificial wetland (5); the three-grid septic tank (3) is connected with shallow geothermal energy (2), and the shallow geothermal energy is used for heating the wastewater in winter, so that the temperature of the wastewater in winter is ensured to be more than 16 ℃; the three-grid septic tank (3) is used for pretreating wastewater, the wastewater is subjected to harmless treatment, and solid sludge generated after the bottom is harmless is used for composting and agriculture, so that resource treatment is realized; carrying out fermentation hydrolysis on the wastewater under an anaerobic condition; biological fillers (14) are arranged in a tank body at the tail end of the three-grid type septic tank (3) and are used for improving the biomass of hydrolytic acidification bacteria in the three-grid type septic tank;
step 3; domestic wastewater treated by the surface flow artificial wetland (5) sequentially enters a biological carbon pond (6) and a biological stabilization pond (7) for harmless treatment, and then agricultural irrigation is carried out; the biological carbon pool (6) adopts the activated biomass as a filler to provide a biological carbon source for the effluent of the surface flow artificial wetland (5).
3. The wastewater treatment method based on ecological water treatment coupled with geothermal energy according to claim 2, wherein the surface flow artificial wetland (5) is connected with a blower (13), and the blower is started to perform artificial oxygen delivery when the concentration of organic pollutants or ammonia nitrogen in raw water is increased.
4. The method for treating wastewater based on coupling of ecological water treatment and geothermal energy according to claim 2, characterized in that the biological carbon pool (6) is made of biomass as a slow-release carbon source.
5. The method for treating wastewater based on coupling of ecological water treatment and geothermal energy according to claim 2, wherein the ecological stabilization pond (7) is composed of an aerobic layer, a facultative layer and an anaerobic layer from top to bottom, and is used for performing advanced treatment on ammonia nitrogen and organic matters.
6. The method for treating wastewater based on coupling of ecological water treatment and geothermal energy according to claim 2 or 5, characterized in that the ecological stabilization pond (7) is provided with emergent aquatic plants, floating leaves, submerged plants, plankton and fish from top to bottom to construct an ecological chain.
7. The wastewater treatment method based on ecological water treatment coupled geothermal energy according to claim 2, characterized in that a baffle is arranged in the buffer pool (8), and the domestic wastewater is sterilized and disinfected by sodium hypochlorite.
CN201910970018.7A 2019-10-12 2019-10-12 Wastewater treatment system and method based on ecological water treatment coupling geothermal energy Active CN110776194B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101948214A (en) * 2010-08-31 2011-01-19 浙江博世华环保科技有限公司 Ecological greenbelt treatment process and system for treating rural domestic sewage
US8187861B1 (en) * 2010-01-26 2012-05-29 Allen John Schuh Phosphate removal-recovery and biofuel feedstock system
CN103449657A (en) * 2012-05-30 2013-12-18 天津市北方园林生态科学技术研究所 Purifying process of domestic sewage in residential centralized area
CN103613240A (en) * 2013-11-18 2014-03-05 广西鸿生源环保科技有限公司 Multi-stage ecological sewage purification treatment device and method
CN207210207U (en) * 2017-08-17 2018-04-10 湖南爱一环保科技有限公司 Sewage-treatment plant

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102674585B (en) * 2011-03-14 2015-05-20 上海市政工程设计研究总院(集团)有限公司 Combined enhanced treatment process for low-turbidity high-alga raw water
CN103159383A (en) * 2013-04-15 2013-06-19 云南省科学技术情报研究院 Rural domestic sewage biological treatment system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8187861B1 (en) * 2010-01-26 2012-05-29 Allen John Schuh Phosphate removal-recovery and biofuel feedstock system
CN101948214A (en) * 2010-08-31 2011-01-19 浙江博世华环保科技有限公司 Ecological greenbelt treatment process and system for treating rural domestic sewage
CN103449657A (en) * 2012-05-30 2013-12-18 天津市北方园林生态科学技术研究所 Purifying process of domestic sewage in residential centralized area
CN103613240A (en) * 2013-11-18 2014-03-05 广西鸿生源环保科技有限公司 Multi-stage ecological sewage purification treatment device and method
CN207210207U (en) * 2017-08-17 2018-04-10 湖南爱一环保科技有限公司 Sewage-treatment plant

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