CN103395891B - Microbial fuel cell type three-dimensional combined ecological floating bed device and application thereof - Google Patents
Microbial fuel cell type three-dimensional combined ecological floating bed device and application thereof Download PDFInfo
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- CN103395891B CN103395891B CN201310312316.XA CN201310312316A CN103395891B CN 103395891 B CN103395891 B CN 103395891B CN 201310312316 A CN201310312316 A CN 201310312316A CN 103395891 B CN103395891 B CN 103395891B
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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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
- Y02W10/10—Biological treatment of water, waste water, or sewage
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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
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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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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a microbial fuel cell type three-dimensional combined ecological floating bed device. The device is formed by combining a combined ecological floating bed and a microbial fuel cell; the combined ecological floating bed comprises an aquatic plant unit arranged at the upper layer, an aquatic plant unit arranged at the middle layer and a metal pallet arranged at the lower layer and used for fixing the upper layer and the middle layer, and a conductive material is led out of the device through a lead connected with an external circuit load, thus an air cathode electrode of the microbial fuel cell is formed; and an anaerobic reduction reaction region is formed by the metal pallet by means of an anaerobic environment of sediments, thus an anode electrode of the microbial fuel cell is formed. The invention also discloses an application of the device. By using the device, the polluted bottom mud is degraded fundamentally, meanwhile, the energy is recovered, and pollutants in a water body are simultaneously degraded, so that the pollutant dissolution equilibrium effect between the bottom mud and the water body is weakened, and the device is suitable for large-scale, modeled and mechanized operation.
Description
Technical field
The invention belongs to energy and environment and repair field, particularly be applicable to the water-bed mud of shallow layer surface and water body combined purifying and the MFC(Microbial Fuel Cell reclaiming electric energy, biomass energy, microbiological fuel cell) type solid combined ecological floating bed device and application.
Background technology
Water pollution control and repair day by day obtain people pay attention to today, the reparation of sediment pollution more seems most important.Pollutent is by aquatic particle absorption, complexing, flocculation, sedimentation and be deposited in bed mud, after external source pollution is effectively controlled, these pollutents in bed mud still may produce " secondary pollution " water body, and this will have a strong impact on reparation and the control of water pollution.Research shows, pollutent contained in contaminated Sediments has phosphorus and nitrogen, heavy metal, hardly degraded organic substance, and persistence toxic pollutant (PTS).Wherein a lot of material can reach higher concentration in vivo by effects such as biomagnifications, then affects human health by food chain.In recent years, due to the aggravation of China's water pollutions situation, pollution situation suffered by Sediments is also thereupon serious, and because sediment pollution saturation is large, pollutent discharges slowly because the pollutent in dissolving-equilibrium principle and water body forms dissolution equilibrium relation, therefore sediment pollution has formed serious obstacle to the improvement of water pollution.In addition the complicacy of pollutent, the difficulty property removed of nutritive substance, and repair the reasons such as the Financial cost of sediment pollution is excessive with prior art, also do not find now the approach of a thorough control water body sediment pollution, administer the mode combined process mainly through alleviating water pollution and partial area bed mud at present.
Floating bed technology uses cultivation technique without soil principle, with natural or environment-friendly material for carrier and matrix, adopts the water surface hydroponics plant technology of modern agronomy and ecological engineering measure comprehensive integration.It removes water pollutant, suppresses the mechanism of planktonic algae to show the following aspects.1. plant absorption: plant plant in floating bed and, in order to meet growth needs own, constantly can be absorbed the nutritive substance in water body by the root system be immersed in water, reduces water Middle nutrition salt by results waterplant; 2. rhizosphere microbial degraded: a large amount of colloids in the flourishing adsorbable water of root system of plant, and form microbial film on root system of plant surface gradually, engulf and the pollutent in degradation water; 3. secretory product suppresses: floating bed plant root system can secrete allelochemical, suppresses algal grown; 4. shielded from sunlight: artificial floating island suppresses algae to carry out photosynthesis by keeping the sun off, and controls the growth of algae.Investigation and application facts have proved, with the chemistry of general current domestic and international employing, physics is compared with biological pollution treatment technology, and the sharpest edges of biological floating bed technology can reach to treat both principal and secondary aspect of disease, and can be hydrobiological clear-cutting forestland and existence.Good site conditions is built in procreation, finally reaches the target of repairing aquatic ecosystem.
Microbiological fuel cell (MFC) is as a kind of new production capacity mode---and utilize microorganism that organic matter is converted into electric energy and be subject to increasing research and extension.MFC utilizes enzyme or microorganism as anode catalyst, by its metabolism, various material is comprised the device of complicated organism and renewable biomass oxidation generation electric energy, these fuel source make MFC than only utilizing the chemical fuel cell of pure chemistry reactive fuel more advanced.Research shows, MFC simple organic of not only can degrading obtains electric energy, and complicated comprehensive organic substrates of also can degrading produces electric energy, and hardly degraded organic substance of even can degrading obtains electric energy.Mo Han (Mohan) etc. study the degraded of pharmacy waste water, dyestuff, agrochemical synthetic chemistry waste water and electricity generation performance, and pollutant load is 1.404kg COD/(m
3d), time, peak voltage is 304mV, and contaminant degradation rate reaches 62.9%.Luo Haiping etc. take phenol as fuel, and under the outer loading condition of 1000 Ω, phenol clearance about reaches 90%, and maximum output voltage is 540mV.Therefore, it is feasible for utilizing MFC degraded Recalcitrant chemicals and producing electric energy, economical, be also continuable.
Make full use of MFC and have the advantage of higher degradation property and combined ecological floating bed to the feature of aqueous pollution remediation to sediment pollution reparation and refractory organic, above-mentioned two kinds of technology are organically merged.Namely utilize MFC can obtain the feature of electric energy while efficiently removing Persistent organic pollutants, realize the object of the maximum using improving combined ecological floating bed decontamination effect improving and resource.Application MFC purifies shallow water body bed mud and with the cooperate optimization of the device of biological floating bed synchronous purification water pollution from combined ecological floating bed and MFC, enhance enrichment and the immobilization of electrogenesis bacterium and contaminant degradation bacterium in floating bed plant rhizosphere effect and floating bed microorganism and settling, improve purification efficiency and the electricity generation performance of the refractory organic of composite system.
There is not been reported both at home and abroad for the three-dimensional combined ecological floating bed device of current MFC type.
Summary of the invention
Goal of the invention: the object of this invention is to provide a kind of Microbial fuel cell type three-dimensional combined ecological floating bed device and application thereof, be mainly used in the device of the water-bed mud (depth of water 1-2 rice) of shallow layer surface and water body combined purifying, specifically a kind of in-situ immobilization eutrophic lake bed mud and water body, and incite somebody to action wherein various organic substance, especially Recalcitrant chemicals, be converted into the device of electric energy, produce electric energy in order to be purified by pollution substance and to reclaim.
Technical scheme: in order to solve the problem, technical scheme of the present invention is to provide a kind of Microbial fuel cell type three-dimensional combined ecological floating bed device, combined ecological floating bed and microbiological fuel cell combine by this device, described combined ecological floating bed comprises the aquatic plant unit in upper strata, the aquatic plant unit in middle layer and the lower metal pallet that upper strata and middle layer are fixed, the aquatic plant unit in described upper strata is made up of the electro-conductive material of swim waterplant and the waterplant that fixedly swims, the aquatic plant unit in middle layer is formed by sinking water waterplant and fixing heavy water waterplant light weight wire mesh used, described electro-conductive material is derived outside this device by the wire being connected with external circuits load, forms microbial fuel cell air cathode electrode, described metal tray is by utilizing sedimental anaerobic environment to form anaerobic reduction reaction zone thus forming anode of microbial fuel cell electrode.
In order to improve reparation purification efficiency and the electrogenesis usefulness of system further, described in the waterplant that swims be one or more in mater convolvulus, Chinese celery, calamus, wild rice stem, lotus or wild rice rice.
One or more in described electro-conductive material employing activated carbon felt, Stainless Steel Cloth, carbon cloth or graphite felt are made.
Described electro-conductive material has one group of 4cm circular hole in order to the waterplant that fixedly swims.Circular hole becomes row-column arrangement, and distribution density requires depending on the plant spacing of planted waterplant, and in the situation of normal growth not affecting waterplant, circular hole should be as far as possible intensive, to strengthen the improvement result that root system of plant secretes oxygen anticathode aerobic environment.
Described submerged plant is one or more in eel grass, hornwort, watermifoil, black algae.
Described light weight wire mesh adopts polyamide-based chemical synthetic fiber material to make, and has good over-all properties, comprises mechanical property, thermotolerance, wearability, erosion resistance, can reuse for a long time.
Described wire is titanium wire or copper conductor.Described wire carries out the insulated enclosure process of tie point.
Described metal tray adopts stainless steel to make.The electro-conductive material welding some amount in described metal tray forms the anode electrode of fuel cell, and described electro-conductive material vertical setting of types welding, spacing is between 5 ~ 10cm.Described metal tray is located in bottom mud in lake, forms sediment pollution purifying area.
The application of described Microbial fuel cell type three-dimensional combined ecological floating bed device in the water-bed mud of shallow layer surface and water body combined purifying and recovery electric energy biomass energy.
Beneficial effect: the present invention is intended to utilize MFC to the Degradation of hardly degraded organic substance and the feature that can reclaim electric energy simultaneously, the galvanic action of MFC is utilized to stimulate the growth of degradation bacteria, to promote the pollutent of degrading in shallow-layer Sediments, also can stimulate the growth of electrogenesis bacterium, generation current simultaneously.Preferred economic aquatic plant, utilizes the effect of floating plant Radial Oxygen Loss from Root to increase the dissolved oxygen environment of headspace negative electrode, thus improves the cathode potential of microbiological fuel cell, improve electricity generation performance.Fortification of plants rhizosphere effect and the effect of root system secretion simple compounds, promote rhizospheric microorganism activation, promote the Degradation of refractory organics organic pollutant degradation intermediate product.Utilize middle layer submerged plant to the absorption of pollutent and metabolism, reduce in water body and originally have and from bed mud, oppositely dissolve the Pollutant levels entered in water body, improve the speed of contaminant degradation, also produce certain oxygen by the photosynthesis on daytime on the other hand, improve surface water dissolved oxygen concentration.Device directly removes nutrition from water body deposit, and is shifted out water body by the form gathering in the crops agricultural-food, and scavenging process comprises the purification to original pollutent and the purification to intermediate product, can not cause secondary pollution; And, while making organic matter in bed mud obtain degraded, the pollutent also in synchronous purification water body.Water quality condition can be made to obtain essence take on a new look, thus be that the existence of aquatic animals and plants group multiplies the good water body environment of construction one, for the clear-cutting forestland of aquatic ecosystem provides safeguard.Its implementation result is better than other technology, and cost is lower than original position physico-chemical purification method, and energy recovery simultaneously, is suitable for carrying out mass-producing, medelling and mechanized.The present invention constructs the device that combined ecological floating bed coupling MFC improves organic matter removal usefulness, not only multipath, multistage efficient organics removal, increase substantially the removal usefulness of organism especially refractory organic, obtain electric energy while repairing eutrophic lake bed mud and water body in position, fully demonstrate the theory of environmental benefit and pollutent regeneration doulbe-sides' victory.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.Wherein, 1-swims waterplant; 2-electro-conductive material; 3-sinks water waterplant; 4-light weight wire mesh; 5-metal tray; 6-wire; The load of 7-external circuits.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
Embodiment 1:
As shown in Figure 1, the invention discloses a kind of Microbial fuel cell type three-dimensional combined ecological floating bed device, combined ecological floating bed and microbiological fuel cell combine by this device, the lower metal pallet 5 that described combined ecological floating bed comprises the aquatic plant unit in upper strata, the aquatic plant unit in middle layer and fixed in upper strata and middle layer, the aquatic plant unit in described upper strata is made up of the electro-conductive material 2 of swim waterplant 1 and the waterplant that fixedly swims, and the aquatic plant unit in middle layer is formed by sinking water waterplant 3 and fixing heavy water waterplant 3 light weight wire mesh 4 used; Described electro-conductive material 2 is derived outside this device by the wire 6 being connected with external circuits load 7, forms microbial fuel cell air cathode electrode; Described metal tray 5 is by utilizing sedimental anaerobic environment to form anaerobic reduction reaction zone thus forming anode of microbial fuel cell electrode.The described waterplant 1 that swims is for mater convolvulus.Described electro-conductive material 2 adopts activated carbon felt to make.Described electro-conductive material 2 has one group of 4cm circular hole in order to the waterplant 1 that fixedly swims.Described submerged plant is eel grass.Described light weight wire mesh 4 adopts polyamide-based chemical synthetic fiber material to make.Described wire 6 is titanium wire.Described metal tray 5 adopts stainless steel to make.
The device of a kind of Microbial fuel cell type three-dimensional combined ecological floating bed of the present embodiment, its operation logic is such: on the basis of the sound floating bed ecosystem, build combined ecological floating bed coupling MFC device, play the microorganism especially respective biological activity of electrogenesis bacterium and hardly degraded organic substance degradation bacteria and function of biological purification and introduce waterplant to the decomposition of intermediates, form comparatively complete food chain, form efficient ecological purification efficiency, not only promote the material cycle of contaminant species in the floating bed ecosystem, synergistic purification effect between biological key element is not fully exerted, and strengthen energy can to the conversion of electric energy and plant biomass energy from pollutant chemistry.Namely by removal and the conversion of the pollutent in electrode of microbial fuel cell effect strengthening bed mud especially hardly degraded organic substance, by plant rhizosphere effect, the pollutent in water body above bed mud removed simultaneously, transform and fixing, the enzyme of plant root secretion simultaneously also promotes the degraded of pollutent, in addition the simple compounds such as acetate of root hair cell secretion, and the micromolecular compound after rhizospheric microorganism degradation of contaminant, more easily absorbed and degraded by electrogenesis bacterium, thus can improve the biological activity of electrogenesis bacterium; By the effect of waterplant Radial Oxygen Loss from Root and the heavy water waterplant photosynthesis of swimming, strengthen the dissolved oxygen concentration on water body top, improve microorganism fuel cell cathode electromotive force, thus improve the electrogenesis level of whole system.Promoted the raising of solubilized, the inorganization and biodegradability of organic pollutant by plant, and make refractory organic and the nutrition such as nitrogen, phosphorus effectively be degraded in the flow of energy process of the floating bed ecosystem and remove; Implementation process and carryover effect not only can be guaranteed HUMAN HEALTH and hydrobiological safety control, and can also beautify waters view in governance process, also can play positive promoter action to hydrobiological development.
Embodiment 2:
Substantially the same manner as Example 1, difference is, described in swim waterplant 1 for Chinese celery.Described electro-conductive material 2 adopts Stainless Steel Cloth of living to make.Described electro-conductive material 2 has one group of 4cm circular hole in order to the waterplant 1 that fixedly swims.Described submerged plant is hornwort.Described light weight wire mesh 4 adopts polyamide-based chemical synthetic fiber material to make.Described wire 6 is copper conductor.Described metal tray 5 adopts stainless steel to make.
Embodiment 3:
The described waterplant 1 that swims is for calamus.Described electro-conductive material 2 adopts carbon cloth to make.Described electro-conductive material 2 has one group of 4cm circular hole in order to the waterplant 1 that fixedly swims.Described submerged plant is watermifoil.Described light weight wire mesh 4 adopts polyamide-based chemical synthetic fiber material to make.Described wire 6 is titanium wire.Described metal tray 5 adopts stainless steel to make.
Embodiment 4
The described waterplant 1 that swims is for wild rice stem.Described electro-conductive material 2 adopts graphite felt to make.Described electro-conductive material 2 has one group of 4cm circular hole in order to the waterplant 1 that fixedly swims.Described submerged plant is black algae.Described light weight wire mesh 4 adopts polyamide-based chemical synthetic fiber material to make.Described wire 6 is copper conductor.Described metal tray 5 adopts stainless steel to make.
Embodiment 5
The described waterplant 1 that swims is for lotus.Described electro-conductive material 2 adopts Stainless Steel Cloth to make.Described electro-conductive material 2 has one group of 4cm circular hole in order to the waterplant 1 that fixedly swims.Described submerged plant is eel grass and hornwort.Described light weight wire mesh 4 adopts polyamide-based chemical synthetic fiber material to make.Described wire 6 is titanium wire.Described metal tray 5 adopts stainless steel to make.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a Microbial fuel cell type three-dimensional combined ecological floating bed device, it is characterized in that, combined ecological floating bed and microbiological fuel cell combine by this device, described combined ecological floating bed comprises the aquatic plant unit in upper strata, the aquatic plant unit in middle layer and the lower metal pallet (5) that upper strata and middle layer are fixed, the aquatic plant unit in described upper strata is made up of the electro-conductive material (2) of the waterplant that swims (1) and the waterplant that fixedly swims, the aquatic plant unit in middle layer is formed by sinking water waterplant (3) and fixing heavy water waterplant (3) light weight wire mesh (4) used, described electro-conductive material (2) is derived outside this device by the wire (6) being connected with external circuits load (7), forms microbial fuel cell air cathode electrode, described metal tray (5) is by utilizing sedimental anaerobic environment to form anaerobic reduction reaction zone thus forming anode of microbial fuel cell electrode, described submerged plant is one or more in eel grass, hornwort, watermifoil, black algae, and in described metal tray (5), the electro-conductive material of welding some amount forms the anode electrode of fuel cell, and described electro-conductive material vertical setting of types welding, spacing is between 5 ~ 10cm.
2. Microbial fuel cell type three-dimensional combined ecological floating bed device according to claim 1, is characterized in that, described in swim that waterplant (1) is mater convolvulus, Chinese celery, calamus, wild rice stem, one or more in lotus or wild rice rice.
3. Microbial fuel cell type three-dimensional combined ecological floating bed device according to claim 1, is characterized in that, one or more in described electro-conductive material (2) employing activated carbon felt, Stainless Steel Cloth, carbon cloth or graphite felt are made.
4. Microbial fuel cell type three-dimensional combined ecological floating bed device according to claim 1, is characterized in that, described electro-conductive material (2) has one group of 4cm circular hole in order to the waterplant that fixedly swims (1).
5. Microbial fuel cell type three-dimensional combined ecological floating bed device according to claim 1, is characterized in that, described light weight wire mesh (4) adopts polyamide-based chemical synthetic fiber material to make.
6. Microbial fuel cell type three-dimensional combined ecological floating bed device according to claim 1, is characterized in that, described wire (6) is titanium wire or copper conductor.
7. Microbial fuel cell type three-dimensional combined ecological floating bed device according to claim 1, is characterized in that, described metal tray (5) adopts stainless steel to make.
8. the application of the Microbial fuel cell type three-dimensional combined ecological floating bed device described in any one of claim 1 ~ 7 in the water-bed mud of shallow layer surface and water body combined purifying and recovery electric energy biomass energy.
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| JP6182020B2 (en) * | 2013-08-21 | 2017-08-16 | 積水化学工業株式会社 | Microbial fuel cell in pipeline |
| CN104787900B (en) * | 2015-04-14 | 2016-11-02 | 东南大学 | What electrochemistry strengthened that water body and bed mud purify simultaneously automatically controls aerating system |
| CN104944588B (en) * | 2015-06-04 | 2017-05-03 | 中国科学技术大学 | Chromium-containing waste water treatment system and method adopting coupling of biological electrochemical method and phytoremediation |
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| CN105236576A (en) * | 2015-09-14 | 2016-01-13 | 华南理工大学 | Floating-bed plant coupling sediment microbiological fuel cell water purification method |
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| CN106630158A (en) * | 2016-11-08 | 2017-05-10 | 东北大学秦皇岛分校 | Ecological floating island coupling deposition type microbial fuel cell water body remediation system |
| CN106745678B (en) * | 2017-01-10 | 2020-09-11 | 东南大学 | Method and device for synchronously repairing organic matters and heavy metals in polluted bottom mud |
| CN107317040A (en) * | 2017-06-22 | 2017-11-03 | 清华大学 | The floatation type gas-diffusion electrode reacted for gas consumption and its preparation |
| CN107572736A (en) * | 2017-10-30 | 2018-01-12 | 湖南辉讯企业管理有限公司 | A kind of hospital sewage treating apparatus |
| CN108262353A (en) * | 2018-03-31 | 2018-07-10 | 天津大学 | A kind of plant biological electrochemical in-situ restorative procedure by plant driving mass transfer |
| CN108706720A (en) * | 2018-06-15 | 2018-10-26 | 中国科学院水生生物研究所 | A kind of method and device using microbiological fuel cell-water plant in-situ immobilization black and odorous water |
| CN109205767A (en) * | 2018-09-29 | 2019-01-15 | 天津大学 | A kind of biological floating bed appositional pattern microbiological fuel cell coupling device of water remediation |
| CN110451631A (en) * | 2019-07-31 | 2019-11-15 | 安徽环境科技集团股份有限公司 | A kind of method of enhanced biological electrochemical in-situ pollution waters restoration |
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| CN102224235B (en) * | 2008-09-22 | 2015-07-08 | 菲克系统股份有限公司 | Device for efficient, cost-effective conversion of aquatic biomass to fuels and electricity |
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| CN101924227A (en) * | 2010-08-18 | 2010-12-22 | 江南大学 | Microbial fuel cell and application thereof |
| CN202400905U (en) * | 2011-12-31 | 2012-08-29 | 东南大学 | Device for purifying lake water by using microbial fuel cell and combined ecological floating bed |
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