CN102627375A - Integrated treatment method and integrated treatment device for polluted river and lake water - Google Patents

Integrated treatment method and integrated treatment device for polluted river and lake water Download PDF

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CN102627375A
CN102627375A CN201210096171XA CN201210096171A CN102627375A CN 102627375 A CN102627375 A CN 102627375A CN 201210096171X A CN201210096171X A CN 201210096171XA CN 201210096171 A CN201210096171 A CN 201210096171A CN 102627375 A CN102627375 A CN 102627375A
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aerobic pond
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李军
胡家玮
王昌稳
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Beijing University of Technology
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Beijing University of Technology
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Abstract

The invention relates to an integrated treatment method and an integrated treatment device for polluted river and lake water, which belong to the field of sewage treatment. The device comprises a water inlet pipe (1), a mixing tank (2), a flocculation basin (3), a sediment tank (4), a flocculant medicine dissolving tank (5), a magnetic powder adding device (6), a coagulant aid medicine dissolving tank (7), a sludge return pipe (8), a magnetic separator (9), a magnetic powder recycling pipe (10), a water inlet tank (11), a water inlet pump (12), an anoxia tank (13), an aerobic tank (14), an air compressor (15), an air flow meter (16), a water outlet tank (17) and a mixed liquid return pump (18). The integrated treatment method uses a magnetic coagulation treatment technique and a carbon fiber ecological grass biological treatment technique in linkage, can obviously improve sensory index of polluted river and lake water, and reduces the content of organic pollutants and nitrogen and phosphorus pollutants. In practical application, the method and the device have the advantages of being small in occupancy, good in treated water quality, low in treatment cost and the like.

Description

一种受污染河湖水集成处理方法与装置A method and device for integrated treatment of polluted river and lake water

技术领域 technical field

本发明涉及一种受污染河湖水集成处理技术及其处理装置,属于污水处理领域。The invention relates to an integrated treatment technology for polluted river and lake water and a treatment device thereof, belonging to the field of sewage treatment.

背景技术 Background technique

近年来,河湖水体富营养化事件在我国频繁发生,氮、磷是富营养化的主要元素,为此国家出台了更为严格的地表水标准。最新的《国家地表水环境质量标准GB3838-2002》规定,IV类水体排放标准为CODCr≤30mg/L、NH3-N≤1.5mg/L、总磷≤0.3mg/L。由于河湖沿岸的污水排放使地表水体污染愈加严重,保持河湖水质达标的压力也越来越大。因此,通过将磁混凝处理技术与碳纤维生态草(碳纤维束)水处理方法连用,开发新型处理装置,达到净化水质、抑制河湖水体富营养化趋势的目的。该技术在实际应用中具有占地面积小、处理水质好,处理成本低廉等优点。In recent years, eutrophication events in rivers and lakes have occurred frequently in my country. Nitrogen and phosphorus are the main elements of eutrophication. For this reason, the country has introduced more stringent surface water standards. The latest "National Surface Water Environmental Quality Standard GB3838-2002" stipulates that the discharge standards for Class IV water bodies are COD Cr ≤30mg/L, NH 3 -N ≤1.5mg/L, and total phosphorus ≤0.3mg/L. The pressure to keep the water quality of rivers and lakes up to standard is also increasing due to the pollution of surface water bodies due to the discharge of sewage along the rivers and lakes. Therefore, by combining the magnetic coagulation treatment technology with the carbon fiber ecological grass (carbon fiber bundle) water treatment method, a new treatment device is developed to achieve the purpose of purifying water quality and inhibiting the eutrophication trend of river and lake water. In practical application, this technology has the advantages of small footprint, good water quality and low treatment cost.

磁混凝处理技术与碳纤维生态草水处理方法连用属于新型的河湖水处理技术。由于现阶段我国河湖水体的污染问题越来越严重,加上传统物化处理手段和现有生物处理装置能耗高,建设成本高昂,迫切需要新型高效、节能、占地面积较小的处理装置、以及相关工艺技术的研究开发。因此,该技术的发明可为水体污染控制领域提供一种实用、高效、节能、可用的新研究方向。The combination of magnetic coagulation treatment technology and carbon fiber ecological grass water treatment method is a new river and lake water treatment technology. Due to the fact that the pollution of rivers and lakes in my country is becoming more and more serious at this stage, coupled with the high energy consumption and high construction costs of traditional physical and chemical treatment methods and existing biological treatment equipment, there is an urgent need for new high-efficiency, energy-saving, and small-occupied treatment equipment. , and related technology research and development. Therefore, the invention of this technology can provide a practical, efficient, energy-saving and usable new research direction in the field of water pollution control.

发明内容 Contents of the invention

本发明将磁粉投加入混凝过程中,可以使絮体包裹更加严密,絮体沉降速率更快,可以有效改善传统混凝过程对河湖水体中悬浮物质和磷类污染物的去除效果,也能改善水体的感官指标;碳纤维生态草水处理装置微生物挂膜速度快,能够很快达到稳定工作状态,使出水达标。将二者连用,可以有效的实现受污染河湖水中有机物降解、脱氮除磷和改善感官指标的水质净化目标。In the present invention, the magnetic powder is added into the coagulation process, which can make the floc wrap more tightly, and the floc sedimentation rate is faster, and can effectively improve the removal effect of the traditional coagulation process on suspended matter and phosphorus pollutants in river and lake water, and also It can improve the sensory indicators of the water body; the carbon fiber ecological grass water treatment device has a fast microbial film formation, and can quickly reach a stable working state to make the effluent meet the standard. The combination of the two can effectively achieve the water quality purification goals of degradation of organic matter, denitrification and phosphorus removal and improvement of sensory indicators in polluted river and lake water.

受污染河湖水集成处理装置包括:进水管1、混合池2、絮凝池3、沉淀池4、絮凝剂溶药池5、磁粉投加装置6、助凝剂溶药池7、污泥回流管8、磁分离器9、磁粉回收管10、进水池11、进水泵12、缺氧池13、好氧池14:需串联至少2个池、空压机15、空气流量计16、出水池17和混合液回流泵18。装置特征在于:絮凝剂溶药池5通过进水管1与混合池2连接;混合池2安装有搅拌桨,通过闸口与絮凝池3连接;磁分离器9与磁粉回收管10、磁粉投加装置6连接,磁粉投加装置6安装在混合池2的前端上部;助凝剂溶药池7与絮凝池3连接;絮凝池3安装有搅拌桨,通过池壁闸板与沉淀池4连接;沉淀池4底部安装污泥回流泵,并与污泥回流管8、磁分离器9连接;沉淀池4与进水池11连接,进水池11通过进水泵12与缺氧池13相连;缺氧池13连接混合液回流管,内部自上而下布置碳纤维生态草,通过底部闸板与好氧池14连接;好氧池14内部自上而下布置碳纤维生态草,与设在好氧池外空压机15和空气流量计16连接;好氧池14串联2个以上好氧池,并连接有混合液回流管,混合液回流管通过混合液回流泵18与缺氧池13的混合液回流管相连;好氧池14与出水池17连接。The integrated treatment device for polluted river and lake water includes: water inlet pipe 1, mixing tank 2, flocculation tank 3, sedimentation tank 4, flocculant dissolving tank 5, magnetic powder dosing device 6, coagulant dissolving tank 7, sludge return pipe 8. Magnetic separator 9, magnetic powder recovery pipe 10, water inlet pool 11, water inlet pump 12, anoxic pool 13, aerobic pool 14: at least 2 pools in series, air compressor 15, air flow meter 16, water outlet pool 17 And mixed solution return pump 18. The device is characterized in that: the flocculant dissolving tank 5 is connected to the mixing tank 2 through the water inlet pipe 1; the mixing tank 2 is equipped with a stirring paddle, and is connected to the flocculation tank 3 through the gate; the magnetic separator 9 is connected to the magnetic powder recovery pipe 10, and the magnetic powder dosing device 6 connection, the magnetic powder dosing device 6 is installed on the upper front end of the mixing tank 2; the coagulant aid dissolving tank 7 is connected to the flocculation tank 3; A sludge return pump is installed at the bottom of the pool 4, and is connected with the sludge return pipe 8 and the magnetic separator 9; the sedimentation tank 4 is connected with the water inlet pool 11, and the water inlet pool 11 is connected with the anoxic pool 13 through the water inlet pump 12; the anoxic pool 13 Connect the mixed liquid return pipe, arrange carbon fiber ecological grass from top to bottom inside, and connect with the aerobic pool 14 through the bottom ram; The machine 15 is connected with the air flow meter 16; the aerobic pool 14 is connected with more than two aerobic pools in series, and is connected with a mixed liquid return pipe, and the mixed liquid return pipe is connected with the mixed liquid return pipe of the anoxic pool 13 through the mixed liquid return pump 18 ; The aerobic pool 14 is connected with the outlet pool 17 .

反应装置工作方式:絮凝剂溶药池5中的絮凝剂和助凝剂溶药池7中的助凝剂分别投入混合池2与絮凝池3,投加量以混凝工艺出水达到地表水环境质量标准GB3838-2002中的V类为准;混合池2中的磁粉浓度不低于150mg/L;磁絮体混合液流入沉淀池4,磁絮体快速沉淀后经污泥回流并通过磁分离器9回收磁粉,并重新进入磁粉投加装置6;沉淀池4中经沉淀后上清液流入进水池11,通过进水泵12将上清液提升至缺氧池13;缺氧池13内的反硝化菌可同时去碳脱氮;污水重力自流进入好氧池14,其中的自养型硝化细菌在溶解氧充足的条件下实现脱氮的目的,具备有机物降解能力的微生物实现去除有机物的目的;好氧池14将一部分混合液回流至缺氧池13,并与出水池17相连。The working mode of the reaction device: the flocculant in the flocculant dissolving tank 5 and the coagulant aid in the coagulant dissolving tank 7 are put into the mixing tank 2 and the flocculation tank 3 respectively, and the dosage is based on the effluent of the coagulation process to reach the surface water environment Class V in the quality standard GB3838-2002 shall prevail; the concentration of magnetic powder in the mixing tank 2 shall not be lower than 150mg/L; the mixed solution of magnetic flocs shall flow into the sedimentation tank 4, and the magnetic flocs shall be refluxed through sludge after rapid precipitation and passed through magnetic separation The device 9 reclaims the magnetic powder, and re-enters the magnetic powder dosing device 6; in the sedimentation tank 4, the supernatant after precipitation flows into the water inlet pool 11, and the supernatant liquid is lifted to the anoxic pool 13 by the water inlet pump 12; The denitrifying bacteria can decarbonize and denitrify at the same time; the sewage gravity flows into the aerobic pool 14, where the autotrophic nitrifying bacteria achieve the purpose of denitrification under the condition of sufficient dissolved oxygen, and the microorganisms with the ability to degrade organic matter can achieve the purpose of removing organic matter ; The aerobic pool 14 returns a part of the mixed solution to the anoxic pool 13, and is connected with the outlet pool 17.

受污染河湖水集成处理方法和装置可用于改进现有的受污染的河湖水物化和生化处理工艺。经该技术处理过的河湖水,其悬浮物、生化需氧量、氮和磷的浓度都较低,出水感官指标大幅改善。由于磁粉的投入使混凝产生的絮体更加密实,沉淀速率更快,单位时间内的储量大幅提升,节省了装置占地面积;碳纤维生态草用于现有污水处理厂的升级改造,且由于不需设置污泥处理装置,可以大大降低了基建成本。The integrated treatment method and device for polluted river and lake water can be used to improve the existing physicochemical and biochemical treatment processes for polluted river and lake water. The river and lake water treated by this technology has lower concentrations of suspended solids, biochemical oxygen demand, nitrogen and phosphorus, and the sensory indicators of the effluent have been greatly improved. Due to the input of magnetic powder, the flocs produced by coagulation are denser, the sedimentation rate is faster, and the reserves per unit time are greatly increased, which saves the area of the device; the carbon fiber ecological grass is used for the upgrading of the existing sewage treatment plant, and because There is no need to set up a sludge treatment device, which can greatly reduce the cost of infrastructure.

附图说明 Description of drawings

图1是本发明一中受污染河湖水集成处理方法和装置原理图。Fig. 1 is a schematic diagram of an integrated treatment method and device for polluted river and lake water in the present invention.

图中:1进水管、2混合池、3絮凝池、4沉淀池、5絮凝剂溶药池、6磁粉投加装置、7助凝剂溶药池、8污泥回流管、9磁分离器、10磁粉回收管、11进水池、12进水泵、13缺氧池、14好氧池:需串联至少2个池、15空压机、16空气流量计、17出水池和18混合液回流泵。In the figure: 1 water inlet pipe, 2 mixing tank, 3 flocculation tank, 4 sedimentation tank, 5 flocculant dissolving tank, 6 magnetic powder dosing device, 7 coagulant dissolving tank, 8 sludge return pipe, 9 magnetic separator , 10 magnetic powder recovery pipe, 11 water inlet pool, 12 water inlet pump, 13 anoxic pool, 14 aerobic pool: at least 2 pools need to be connected in series, 15 air compressor, 16 air flow meter, 17 water outlet pool and 18 mixed liquid return pump .

具体实施方式 Detailed ways

反应装置工作方式:絮凝剂溶药池5中的絮凝剂和助凝剂溶药池7中的助凝剂分别投入混合池2与絮凝池3,投加量以混凝工艺出水达到地表水环境质量标准GB3838-2002中的V类为准;磁粉投加装置6与磁分离器9中回收的磁粉投入混合池2,磁粉浓度保持不低于150mg/L。混合池2中的搅拌作用实现磁粉与絮凝剂的充分混合后,经闸口流入絮凝池3;助凝剂溶药池7中的助凝剂与混合池2中流入的污水在絮凝池3中搅拌作用下实现充分混合凝聚,形成以磁粉为凝聚核心的磁絮体;磁絮体混合液经闸口流入沉淀池4,磁絮体快速沉淀后经潜水污泥回流泵通过污泥回流管8进入磁分离器9进行磁粉分离回收,回收的磁粉经磁粉回收管10重新进入磁粉投加装置6;沉淀池4中经沉淀后产生的上清液通过潜水泵与管道流入进水池11,通过进水泵12将磁絮凝出水提升至缺氧池13;缺氧池13的溶解氧含量低于1mg/L,其内的反硝化菌利用水中的有机物和回流混合液中的硝酸盐进行反硝化,可同时去碳脱氮;缺氧池13通过底部闸口与好氧池14相连,水重力自流进入好氧池;污水进入好氧池14时,其中的溶解氧含量不低于3mg/L,使自养型硝化细菌在溶解氧充足的条件下将氨氮转化为硝酸盐氮,实现脱氮的目的;同时具备有机物降解能力的微生物消耗掉原水中的碳源实现去除有机物的目的;好氧池14通过混合液回流泵18与缺氧池13连接,将一部分混合液回流至缺氧池13,混合液回流比在50%~300%之间;好氧池14通过出水管与出水池17相连,将处理后的出水排放到下水道内或河湖。The working mode of the reaction device: the flocculant in the flocculant dissolving tank 5 and the coagulant aid in the coagulant dissolving tank 7 are put into the mixing tank 2 and the flocculation tank 3 respectively, and the dosage is based on the effluent of the coagulation process to reach the surface water environment Class V in the quality standard GB3838-2002 shall prevail; the magnetic powder recovered from the magnetic powder dosing device 6 and the magnetic separator 9 is put into the mixing tank 2, and the concentration of the magnetic powder shall not be lower than 150mg/L. The stirring effect in the mixing tank 2 realizes the full mixing of the magnetic powder and the flocculant, and then flows into the flocculation tank 3 through the gate; Under the action, fully mixed and coagulated to form magnetic flocs with magnetic powder as the core of coagulation; the mixed liquid of magnetic flocs flows into the sedimentation tank 4 through the gate, and the magnetic flocs are rapidly precipitated and then enter the magnetic flocs through the sludge return pipe 8 through the submersible sludge return pump. Separator 9 performs magnetic powder separation and recovery, and the recovered magnetic powder enters the magnetic powder dosing device 6 again through the magnetic powder recovery pipe 10; the supernatant produced after sedimentation in the sedimentation tank 4 flows into the water inlet pool 11 through the submersible pump and pipeline, and passes through the water inlet pump 12 Lift the magnetic flocculation effluent to the anoxic pool 13; the dissolved oxygen content in the anoxic pool 13 is lower than 1mg/L, and the denitrifying bacteria in the anoxic pool 13 use the organic matter in the water and the nitrate in the reflux mixture to denitrify, and can simultaneously denitrify Carbon denitrification; the anoxic pool 13 is connected with the aerobic pool 14 through the bottom gate, and the water gravity flows into the aerobic pool; when the sewage enters the aerobic pool 14, the dissolved oxygen content in it is not less than 3mg/L, making the autotrophic Nitrifying bacteria convert ammonia nitrogen into nitrate nitrogen under the condition of sufficient dissolved oxygen to achieve the purpose of denitrification; at the same time, microorganisms with the ability to degrade organic matter consume the carbon source in the raw water to achieve the purpose of removing organic matter; the aerobic pool 14 passes the mixed liquid The reflux pump 18 is connected with the anoxic pool 13, and a part of the mixed solution is returned to the anoxic pool 13, and the reflux ratio of the mixed solution is between 50% and 300%; the aerobic pool 14 is connected with the water outlet pool 17 through an outlet pipe, and the treated The effluent is discharged into sewers or rivers and lakes.

原水水质采用北京市通惠河水,水质如下:浊度3~6NTU、COD40~60mg/L、NH3-N 2~6mg/L、总磷1左右。经过该反应器处理,出水浊度小于0.5NTU,去除率为80%以上;COD含量为4~6mg/L,去除率为90%以上;NH3-N含量为小于0.1mg/L,去除率为95%以上;出水总磷小于0.1mg/L,去除率为90%以上。出水COD、氨氮、总磷均满足《国家地表水环境质量标准GB3838-2002》IV类水体排放标准,碳纤维生态草河湖水处理装置处理河湖水能取得较好的脱氮效果,该发明已应用于城市河湖水处理。The raw water quality is Tonghui River water in Beijing. The water quality is as follows: Turbidity 3-6NTU, COD40-60mg/L, NH 3 -N 2-6mg/L, total phosphorus about 1. After the reactor treatment, the effluent turbidity is less than 0.5NTU, the removal rate is over 80%; the COD content is 4-6mg/L, the removal rate is over 90%; the NH 3 -N content is less than 0.1mg/L, the removal rate It is above 95%; the total phosphorus in the effluent is less than 0.1mg/L, and the removal rate is above 90%. The effluent COD, ammonia nitrogen, and total phosphorus all meet the Class IV water body discharge standard of the "National Surface Water Environmental Quality Standard GB3838-2002". Urban river and lake water treatment.

本装置适合现有水处理厂脱氮除磷升级改造和新建处理厂。本处理装置具有节省占地面积、提高处理能力等特点。This device is suitable for the upgrading and transformation of existing water treatment plants for denitrification and phosphorus removal and new treatment plants. The processing device has the characteristics of saving floor space, improving processing capacity, and the like.

Claims (2)

1. a contaminated river lake water integrated treating device is characterized in that comprising: water inlet pipe (1), mixing pit (2), flocculation basin (3), settling tank (4), flocculation agent medicine dissolving tank (5), magnetic throwing device (6), coagulant aids medicine dissolving tank (7), mud return line (8), magnetic separator (9), magnetic TFL (10), suction sump (11), intake pump (12), anoxic pond (13), Aerobic Pond (14), air compressor machine (15), air flowmeter (16), outlet sump (17) and mixed-liquor return pump (18); Flocculation agent medicine dissolving tank (5) is connected with mixing pit (2) through water inlet pipe (1); Mixing pit (2) is equipped with stirring rake, is connected with flocculation basin (3) through sluice gate; Magnetic separator (9) is connected with magnetic TFL (10), magnetic throwing device (6), and magnetic throwing device (6) is installed in the upper front end of mixing pit (2); Coagulant aids medicine dissolving tank (7) is connected with flocculation basin (3); Flocculation basin (3) is equipped with stirring rake, is connected with settling tank (4) through the pool wall flashboard; Settling tank (4) bottom is installed the diving sludge reflux pump and is connected with mud return line (8), magnetic separator (9); Settling tank (4) is connected with suction sump (11), and suction sump (11) links to each other with anoxic pond (13) through intake pump (12); Anoxic pond (13) connects the mixed-liquor return pipe, and inside is arranged the ecological grass of thomel from top to bottom, is connected with Aerobic Pond (14) through the bottom flashboard; Aerobic Pond (14) inside is arranged the ecological grass of thomel from top to bottom, and is located at the outer air compressor machine (15) of Aerobic Pond and is connected with air flowmeter (16); Aerobic Pond (14) is the Aerobic Pond more than 2 that is cascaded, and is connected with the mixed-liquor return pipe, and the mixed-liquor return pipe links to each other with the mixed-liquor return pipe of anoxic pond (13) through mixed-liquor return pump (18); Aerobic Pond (14) is connected with outlet sump (17).
2. application rights requires the method for 1 said a kind of contaminated river lake water integrated treating device; It is characterized in that: the coagulant aids in flocculation agent in the flocculation agent medicine dissolving tank (5) and the coagulant aids medicine dissolving tank (7) drops into mixing pit (2) and flocculation basin (3) respectively, and dosage is as the criterion with the V class that the coagulation process water outlet reaches among the water environment quality standard GB3838-2002; Magnetic throwing device (6) drops into mixing pit (2) with the middle magnetic that reclaims of magnetic separator (9), and magnetic concentration is not less than 150mg/L; After stirring action in the mixing pit (2) is realized the thorough mixing of magnetic and flocculation agent, flow into flocculation basin (3) through sluice gate; The sewage that flows in coagulant aids in the coagulant aids medicine dissolving tank (7) and the mixing pit (2) is realized the thorough mixing cohesion under the stirring action in flocculation basin (3), forming with the magnetic is the magnetic flco of cohesion core; Magnetic flco mixed solution flows into settling tank (4) through sluice gate; Magnetic flco rapid precipitation is carried out the magnetic Separation and Recovery after the diving sludge reflux pump gets into magnetic separator (9) through mud return line (8), and the magnetic of recovery gets into magnetic throwing device (6) again through magnetic TFL (10); The supernatant that produces through post precipitation in the settling tank (4) flows into suction sump (11) through submersible pump and pipeline, through intake pump (12) the magnetic flocculation water outlet is promoted to anoxic pond (13); The dissolved oxygen content of anoxic pond (13) is lower than 1mg/L, and the denitrifying bacteria in it utilizes organism and the nitrate salt in the backflow mixed liquor in the water to carry out denitrification, simultaneously the carbon elimination denitrogenation; Anoxic pond (13) links to each other with Aerobic Pond (14) through the bottom sluice gate, and the water flow by gravity gets into Aerobic Pond; When sewage got into Aerobic Pond (14), dissolved oxygen content wherein was not less than 3mg/L, makes the autotrophic type nitrobacteria under the competent condition of dissolved oxygen, ammonia nitrogen is converted into nitrate nitrogen, realized the purpose of denitrogenation; The microbial consumption that possesses the organic matter degradation ability is simultaneously fallen the organic purpose of carbon source realization removal in the former water; Aerobic Pond (14) is connected with anoxic pond (13) through mixed-liquor return pump (18), and with a part of mixed-liquor return to anoxic pond (13), return current ratio of the mixed liquid is between 50%~300%; Aerobic Pond (14) links to each other with outlet sump (17) through rising pipe, is discharged in the water drain water outlet after handling or the lake, river.
CN201210096171XA 2012-04-01 2012-04-01 Integrated treatment method and integrated treatment device for polluted river and lake water Pending CN102627375A (en)

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CN102897889A (en) * 2012-10-29 2013-01-30 同济大学 Method and device for purifying cadmium in waste water through nano zero-valent iron
CN103058460A (en) * 2013-01-02 2013-04-24 北京工业大学 A/O (anoxic/oxic) flow separation and magnetic flocculation integrated sewage treatment device and method
CN103086567A (en) * 2013-01-02 2013-05-08 北京工业大学 Aerobic flow separation and magnetic flocculant integrated wastewater treatment device and method
CN104773830A (en) * 2014-01-10 2015-07-15 无锡市蓬勃环保科技有限公司 Method for artificial waterweed-nitrogen-phosphor chelating agent combined fast long-acting purification of polluted water
CN106145287A (en) * 2016-07-31 2016-11-23 江苏兆盛环保股份有限公司 Urban river water emergency treatment device
CN106396264A (en) * 2016-10-13 2017-02-15 华中科技大学 Artificial wetland sewage treatment system capable of preventing blockage
CN106977056A (en) * 2017-05-12 2017-07-25 海宁安捷复合材料有限责任公司 One kind is got dirty river lake water processing unit
CN107089772A (en) * 2017-05-31 2017-08-25 浙江省环境保护科学设计研究院 The device and method that a kind of dystopy denitrogenation dephosphorizing river course is repaired
CN107721093A (en) * 2017-11-24 2018-02-23 吉林省农业科学院 A kind of intensive culture sewage plural serial stage handling process
CN109399875A (en) * 2018-12-25 2019-03-01 武汉念元环境科技有限公司 For improving the lake water disinfection processing system of lake water water quality
CN109650499A (en) * 2017-10-12 2019-04-19 上海中海龙高新技术研究院 A kind of magnetic flocculation separating treatment sewage device and method
CN109761443A (en) * 2019-02-02 2019-05-17 北京万邦达环保技术股份有限公司 Water purification system based on flocculation sedimentation
CN111320335A (en) * 2020-04-02 2020-06-23 安徽省通源环境节能股份有限公司 Sewage purification device and purification method
CN114620872A (en) * 2022-04-19 2022-06-14 哈尔滨工业大学 Advanced sewage treatment device and method for synchronously removing pollutants and sterilizing

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CN101066802A (en) * 2007-06-15 2007-11-07 北京化工大学 Preparation of a Novel Biofilm Carrier and Its Application in Industrial Wastewater Treatment
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102897889A (en) * 2012-10-29 2013-01-30 同济大学 Method and device for purifying cadmium in waste water through nano zero-valent iron
CN103058460A (en) * 2013-01-02 2013-04-24 北京工业大学 A/O (anoxic/oxic) flow separation and magnetic flocculation integrated sewage treatment device and method
CN103086567A (en) * 2013-01-02 2013-05-08 北京工业大学 Aerobic flow separation and magnetic flocculant integrated wastewater treatment device and method
CN104773830A (en) * 2014-01-10 2015-07-15 无锡市蓬勃环保科技有限公司 Method for artificial waterweed-nitrogen-phosphor chelating agent combined fast long-acting purification of polluted water
CN106145287A (en) * 2016-07-31 2016-11-23 江苏兆盛环保股份有限公司 Urban river water emergency treatment device
CN106396264A (en) * 2016-10-13 2017-02-15 华中科技大学 Artificial wetland sewage treatment system capable of preventing blockage
CN106977056A (en) * 2017-05-12 2017-07-25 海宁安捷复合材料有限责任公司 One kind is got dirty river lake water processing unit
CN107089772A (en) * 2017-05-31 2017-08-25 浙江省环境保护科学设计研究院 The device and method that a kind of dystopy denitrogenation dephosphorizing river course is repaired
CN109650499A (en) * 2017-10-12 2019-04-19 上海中海龙高新技术研究院 A kind of magnetic flocculation separating treatment sewage device and method
CN107721093A (en) * 2017-11-24 2018-02-23 吉林省农业科学院 A kind of intensive culture sewage plural serial stage handling process
CN109399875A (en) * 2018-12-25 2019-03-01 武汉念元环境科技有限公司 For improving the lake water disinfection processing system of lake water water quality
CN109761443A (en) * 2019-02-02 2019-05-17 北京万邦达环保技术股份有限公司 Water purification system based on flocculation sedimentation
CN111320335A (en) * 2020-04-02 2020-06-23 安徽省通源环境节能股份有限公司 Sewage purification device and purification method
CN114620872A (en) * 2022-04-19 2022-06-14 哈尔滨工业大学 Advanced sewage treatment device and method for synchronously removing pollutants and sterilizing

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Application publication date: 20120808