CN103964583A - Water treating device for photosynthetic biological coupling bioelectrochemical membrane bioreactor - Google Patents
Water treating device for photosynthetic biological coupling bioelectrochemical membrane bioreactor Download PDFInfo
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- CN103964583A CN103964583A CN201410178707.1A CN201410178707A CN103964583A CN 103964583 A CN103964583 A CN 103964583A CN 201410178707 A CN201410178707 A CN 201410178707A CN 103964583 A CN103964583 A CN 103964583A
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- 239000012528 membrane Substances 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 230000000243 photosynthetic effect Effects 0.000 title claims abstract description 15
- 230000008878 coupling Effects 0.000 title description 5
- 238000010168 coupling process Methods 0.000 title description 5
- 238000005859 coupling reaction Methods 0.000 title description 5
- 244000005700 microbiome Species 0.000 claims abstract description 8
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 4
- 239000010439 graphite Substances 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims abstract description 3
- 241000195493 Cryptophyta Species 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 6
- 238000010276 construction Methods 0.000 claims 1
- 239000008187 granular material Substances 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- 238000013022 venting Methods 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 14
- 238000000926 separation method Methods 0.000 abstract description 12
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 241000195628 Chlorophyta Species 0.000 abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 7
- 238000005273 aeration Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 5
- 238000004065 wastewater treatment Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 2
- 230000006399 behavior Effects 0.000 abstract description 2
- 239000005416 organic matter Substances 0.000 abstract description 2
- 238000006213 oxygenation reaction Methods 0.000 abstract description 2
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 2
- 239000011574 phosphorus Substances 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 238000010248 power generation Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
光合生物耦合生物电化学膜生物反应器水处理装置，属于污水生物处理回用与资源化技术领域。其特征是阳极室设置有进水管和扩散通道，内部填充石墨颗粒并附着产电微生物，阳极室壁上设置有通孔，外侧包裹无纺布，上部避光，导电过滤分离膜套设于所述通孔的外侧，导电过滤分离膜外侧的阴极室内悬浮生长绿藻类光合微生物，阴极室顶部由导电过滤分离膜过滤后出水，阴极室底部为漏斗结构用于排出剩余绿藻，阳极和导电过滤分离膜通过导线连接，外接负载电阻。本发明的效果和益处是不仅避免了人工曝气增氧等耗能行为，而且脱氮效果好，还能在产电同时去除水中的氮、磷和有机物等物质，过剩绿藻可进一步利用，从而降低了处理废水的能耗，并产生附加价值。
The invention relates to a photosynthetic biological coupled bioelectrochemical membrane bioreactor water treatment device, which belongs to the technical field of sewage biological treatment reuse and resource utilization. It is characterized in that the anode chamber is provided with a water inlet pipe and a diffusion channel, the inside is filled with graphite particles and attached with electricity-producing microorganisms, the wall of the anode chamber is provided with through holes, the outside is wrapped with non-woven fabric, the upper part is protected from light, and the conductive filter separation membrane is set on the On the outside of the through hole, green algae and photosynthetic microorganisms are suspended in the cathode chamber outside the conductive filter separation membrane. The top of the cathode chamber is filtered by the conductive filter separation membrane and the water is discharged. The bottom of the cathode chamber is a funnel structure for discharging the remaining green algae. The anode and the conductive filter The separation membrane is connected by a wire, and an external load resistor is connected. The effect and benefit of the present invention are that it not only avoids energy consumption behaviors such as artificial aeration and oxygenation, but also has a good denitrification effect, and can also remove nitrogen, phosphorus, organic matter and other substances in water while generating electricity, and the excess green algae can be further utilized. Thereby reducing the energy consumption of wastewater treatment and generating added value.
Description
技术领域technical field
本发明属于污水生物处理回用与资源化技术领域，涉及光合生物耦合生物电化学膜生物反应器水处理装置。The invention belongs to the technical field of wastewater biological treatment reuse and resource utilization, and relates to a photosynthetic biological coupling bioelectrochemical membrane bioreactor water treatment device.
背景技术Background technique
普通的微生物燃料电池的阴极材料费用较高，在废水处理中尚没有实现实际应用，废水处理微生物燃料电池的阴极除了空气阴极，普遍采用人工曝气的方式保持水中的溶解氧含量，导致能耗较高。在膜生物反应器中，膜组件价格较高并且易堵塞。光合微生物燃料电池，虽然可以降低维持必要溶解氧水平的能耗，但是不经膜过滤的出水，达不到很高的废水处理和出水水质的要求。The cost of cathode materials for ordinary microbial fuel cells is high, and it has not been practically applied in wastewater treatment. In addition to air cathodes, artificial aeration is generally used to maintain the dissolved oxygen content in water, resulting in energy consumption. higher. In membrane bioreactors, membrane modules are expensive and prone to clogging. Although photosynthetic microbial fuel cells can reduce the energy consumption to maintain the necessary dissolved oxygen level, the effluent without membrane filtration cannot meet the high requirements for wastewater treatment and effluent water quality.
发明内容Contents of the invention
本发明目的是提供光合生物耦合生物电化学膜生物反应器水处理装置，以达到低耗能、高效的处理高含氮废水获得高出水水质，生产富余绿藻，并产生电能。The purpose of the present invention is to provide photosynthetic organisms coupling bioelectrochemical membrane bioreactor water treatment device to achieve low energy consumption and high efficiency treatment of high nitrogen content wastewater to obtain high water quality, produce surplus green algae and generate electricity.
本发明的技术方案是一种光合生物耦合生物电化学膜生物反应器水处理装置，包括阳极室5、阳极、导电过滤分离膜3和阴极室4，其特征是阳极室5为封闭结构，其上设置进水口1，其内部填充附着有产电微生物的石墨颗粒作为阳极，阳极室5下部壁上设置阳极孔道7，阳极孔道7外侧包裹无纺布；导电过滤分离膜3由夹有活性炭的双层不锈钢网构成，导电过滤分离膜3顶部有出水口2，导电过滤分离膜3套设在无纺布的外侧；阴极室4包围于导电过滤分离膜3外侧，阴极室4内悬浮生长有藻类光合微生物，阴极室4是顶部设有排气口8，阴极室4底部为漏斗结构的出口用于排出剩余的藻类光合微生物，阳极和导电过滤分离膜3间通过导线外接负载电阻。本发明提供的光合生物耦合生物电化学膜生物反应器水处理装置，废水依次通过阳极室、阴极室和导电过滤分离膜的处理后得到高水质的出水。The technical solution of the present invention is a photosynthetic biological coupling bioelectrochemical membrane bioreactor water treatment device, comprising an anode chamber 5, an anode, a conductive filter separation membrane 3 and a cathode chamber 4, characterized in that the anode chamber 5 is a closed structure, and A water inlet 1 is arranged on the top, and graphite particles attached to the interior of the anode chamber 5 are filled with graphite particles attached to it as an anode, and an anode channel 7 is arranged on the lower wall of the anode chamber 5, and the outside of the anode channel 7 is wrapped with non-woven fabric; the conductive filter separation membrane 3 is composed of activated carbon Composed of double-layer stainless steel mesh, there is a water outlet 2 on the top of the conductive filter separation membrane 3, and the conductive filter separation membrane 3 is set on the outside of the non-woven fabric; the cathode chamber 4 is surrounded on the outside of the conductive filter separation membrane 3, and the cathode chamber 4 is suspended and grown with For algal photosynthetic microorganisms, the top of the cathode chamber 4 is provided with an exhaust port 8, and the bottom of the cathode chamber 4 is an outlet of a funnel structure for discharging the remaining algae photosynthetic microorganisms, and an external load resistor is connected between the anode and the conductive filter separation membrane 3 through wires. In the photosynthetic biological coupled bioelectrochemical membrane bioreactor water treatment device provided by the present invention, the wastewater is sequentially treated by an anode chamber, a cathode chamber and a conductive filter separation membrane to obtain high-quality effluent.
本发明的效果和益处是阴极室悬浮生长绿藻类光合微生物，避免了人工曝气增氧等耗能行为，水中溶解氧在阳光照射下高于人工曝气产生的溶解氧含量，提高产电效能，提高去除水中的有机物、氮、磷等物质的效率，过剩的绿藻可以资源化利用，从而在处理废水的同时降低了能耗，并产生附加价值，膜组件价格便宜，节约成本。The effect and benefit of the present invention are that the cathode chamber suspends and grows green algae and photosynthetic microorganisms, which avoids energy consumption behaviors such as artificial aeration and oxygenation, and the dissolved oxygen content in water is higher than that produced by artificial aeration under sunlight, improving the power generation efficiency , Improve the efficiency of removing organic matter, nitrogen, phosphorus and other substances in water, and the excess green algae can be used as resources, thereby reducing energy consumption while treating wastewater, and generating added value. The membrane module is cheap and cost-saving.
附图说明Description of drawings
附图是光合生物耦合生物电化学膜生物反应器水处理装置的结构示意图。The accompanying drawing is a structural schematic diagram of a photosynthetic biological coupling bioelectrochemical membrane bioreactor water treatment device.
图中：1进水口；2出水口；3导电过滤分离膜；4阴极室；5阳极室；In the figure: 1 water inlet; 2 water outlet; 3 conductive filter separation membrane; 4 cathode chamber; 5 anode chamber;
6无纺布；7阳极孔道；8排气口。6 non-woven fabric; 7 anode channel; 8 exhaust port.
具体实施方式Detailed ways
以下结合技术方案和附图详细叙述本发明的具体实施方式。The specific embodiments of the present invention will be described in detail below in conjunction with the technical solutions and accompanying drawings.
实施例Example
启动反应器:Start the reactor:
先将培养的产电菌加入到阳极室5；将人工配制的生活污水从阳极进水口2加入到反应器中；向阴极室4内投加绿藻；阳极电极和阴极电极3之间连接负载1000Ω的定值电阻，以实时监测电阻电压的变化情况；反应器启动完成。First, the cultured electrogenic bacteria are added to the anode chamber 5; artificially prepared domestic sewage is added to the reactor from the anode water inlet 2; green algae are added to the cathode chamber 4; the load is connected between the anode electrode and the cathode electrode 3 1000Ω fixed-value resistor to monitor the change of the resistor voltage in real time; the reactor startup is completed.
处理废水:Treating wastewater:
人工配制废水依次通过进水口2、阳极室5、无纺布7、阴极室4、阴极电极过滤膜3、出水口1，水质逐渐得到改善。人工配制废水COD含量580mg/L、无机氮含量16.5mg/L,无机氮处理达到100％，在高浓度无机氮含量160mg/L下三天后无机氮含量降为39.1mg/L。The artificially prepared wastewater passes through the water inlet 2, the anode chamber 5, the non-woven fabric 7, the cathode chamber 4, the cathode electrode filter membrane 3, and the water outlet 1 in sequence, and the water quality is gradually improved. The COD content of the artificially prepared wastewater is 580mg/L, the inorganic nitrogen content is 16.5mg/L, and the inorganic nitrogen treatment reaches 100%. After three days at a high concentration of inorganic nitrogen content of 160mg/L, the inorganic nitrogen content drops to 39.1mg/L.
产电情况：Power production situation:
反应器产电电压白天、晚上交替变化，白天阳光下，藻类进行光合作用，水中溶解氧达到饱和；夜晚进行呼吸作用溶解氧含量低，也有稳定的产电电压。阴极电极材料不同，产电电压不同。The power generation voltage of the reactor changes alternately during the day and night. In the daytime, the algae undergoes photosynthesis under the sun, and the dissolved oxygen in the water reaches saturation; at night, the respiration process has a low dissolved oxygen content, and there is also a stable power generation voltage. The cathode electrode material is different, and the electricity generation voltage is different.
能耗对比：一般的膜生物反应器处理废水由于曝气的能耗在0.6-1.2KWh/m3。本装置中没有曝气，仍达到高效的废水处理效果，并有产电输出。Energy consumption comparison: the energy consumption of the general membrane bioreactor for wastewater treatment due to aeration is 0.6-1.2KWh/m3. There is no aeration in the device, and the efficient wastewater treatment effect is still achieved, and there is electricity output.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762394A (en) * | 2016-03-22 | 2016-07-13 | 清华大学 | Microbial desalination cell provided with filtering type negative pole and application of microbial desalination cell |
| CN105850864A (en) * | 2016-04-18 | 2016-08-17 | 中国矿业大学 | Self-purification aquarium having electricity production function |
| CN107098459A (en) * | 2017-03-10 | 2017-08-29 | 广东工业大学 | A kind of electrochemical appliance and processing method for handling ammonia nitrogen in high density organic wastewater |
| CN107954572A (en) * | 2017-11-24 | 2018-04-24 | 哈尔滨工业大学 | A kind of microorganism electrochemical water treatment system for effectively integrating membrane treatment process |
| CN115093011A (en) * | 2022-06-17 | 2022-09-23 | 天津正达科技有限责任公司 | Biological electrochemistry integration denitrogenation reactor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103086520A (en) * | 2013-01-23 | 2013-05-08 | 中国科学院城市环境研究所 | Device and a method for producing biodiesel in a coupling way by treating livestock and poultry breeding wastewater |
| CN103204590A (en) * | 2013-04-15 | 2013-07-17 | 中国科学技术大学 | Electrochemical membrane bioreactor |
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2014
- 2014-04-30 CN CN201410178707.1A patent/CN103964583A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103086520A (en) * | 2013-01-23 | 2013-05-08 | 中国科学院城市环境研究所 | Device and a method for producing biodiesel in a coupling way by treating livestock and poultry breeding wastewater |
| CN103204590A (en) * | 2013-04-15 | 2013-07-17 | 中国科学技术大学 | Electrochemical membrane bioreactor |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762394A (en) * | 2016-03-22 | 2016-07-13 | 清华大学 | Microbial desalination cell provided with filtering type negative pole and application of microbial desalination cell |
| CN105762394B (en) * | 2016-03-22 | 2019-05-14 | 清华大学 | A kind of filter-type cathode microbial desalination cell and its application |
| CN105850864A (en) * | 2016-04-18 | 2016-08-17 | 中国矿业大学 | Self-purification aquarium having electricity production function |
| CN107098459A (en) * | 2017-03-10 | 2017-08-29 | 广东工业大学 | A kind of electrochemical appliance and processing method for handling ammonia nitrogen in high density organic wastewater |
| CN107098459B (en) * | 2017-03-10 | 2020-08-11 | 广东工业大学 | Electrochemical device and treatment method for treating high-concentration ammonia nitrogen organic wastewater |
| CN107954572A (en) * | 2017-11-24 | 2018-04-24 | 哈尔滨工业大学 | A kind of microorganism electrochemical water treatment system for effectively integrating membrane treatment process |
| CN115093011A (en) * | 2022-06-17 | 2022-09-23 | 天津正达科技有限责任公司 | Biological electrochemistry integration denitrogenation reactor |
| CN115093011B (en) * | 2022-06-17 | 2023-11-07 | 天津正达科技有限责任公司 | Bioelectrochemistry integrated nitrogen removal reactor |
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Application publication date: 20140806 |