CN202888321U - Piggery wastewater treatment experiment platform provided with double-cylinder-type microbial fuel cell - Google Patents
Piggery wastewater treatment experiment platform provided with double-cylinder-type microbial fuel cell Download PDFInfo
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- CN202888321U CN202888321U CN2012203504054U CN201220350405U CN202888321U CN 202888321 U CN202888321 U CN 202888321U CN 2012203504054 U CN2012203504054 U CN 2012203504054U CN 201220350405 U CN201220350405 U CN 201220350405U CN 202888321 U CN202888321 U CN 202888321U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model relates to a piggery wastewater treatment experiment platform provided with a double-cylinder-type microbial fuel cell. The piggery wastewater treatment experiment platform comprises a cation exchange membrane, a graphite carbon felt, a load R, a carbon fiber precursor, a cylinder outer wall, a magnetic stirring apparatus, an air distributor, an aerator, an positive pole chamber, a negative pole chamber, an aerator pipe, a calomel electrode, a rubber plug, an electric clamp, another carbon fiber precursor, a data acquisition unit and a notebook computer. The organic matter removal rate of piggery wastewater by the microbial fuel cell is comparable to that of the traditional anaerobic process; and furthermore, the reactor cost is reduced, and the electricity production efficiency is improved.
Description
Technical field
The utility model relates to a kind of device that can remove the organic substance of piggery wastewater and carry out electrogenesis, belongs to microbiological fuel cell and Summarization for Piggery Wastewater Treatment Technology field.
Background technology
For a long time, leading sewage treatment area for many years take anaerobic bio-treated and aerobic biological treatment as main traditional Summarization for Piggery Wastewater Treatment Technology, but because its expensive cost of sewage disposal and to the restriction of the waste water of high concentration, more and more be subjected to the restriction of global performance source problem in short supply by now, also become the obstruction that China's economy further develops.The organic substance that contains a large amount of easily biological-degradables in the organic wastewater, and traditional sewage disposal technology can not effectively utilize it, simultaneously toward the generation of contact with problem of environmental pollution.If can effectively utilize these materials, and convert it into free of contamination clean energy resource, just can overcome the intrinsic drawback of traditional wastewater treatment technology, and will fundamentally alleviate water pollution and energy starved problem.
Microbiological fuel cell (microbial fuel cell, MFC) technology is as a kind of novel sewage disposal technology, has the effect that can directly obtain electric energy output when purifying waste water, be subject in recent years the extensive concern of international academic community, be considered the treatment technology of a kind of high benefit, low energy consumption, clean environment firendly.It is not only the optimization of sewage disposal technology, and the innovation of especially sewage disposal theory has huge development potentiality.But owing to being subject to the restriction of numerous technical elements factors, MFC still has a segment distance from practical application, and at present correlative study is just at the early-stage.
At present because MFC electrogenesis power density is low, and electrode material and exchange membrane involve great expense, reactor configuration uncertain, the research of relevant MFC is still at the experimental stage, also is difficult to realize commercial applications.Therefore, need to fully holding on the characteristics of the multidisciplinary intersection of MFC, carry out the electrochemical properties of MFC and the basic research of organic matter degradation effect.Therefore research and development are fit to two cylinder type microbiological fuel cells (DCMFC) for the treatment of of Organic Wastewater characteristics, further improve the electrogenesis power density of MFC and reduce capital construction and operating cost expense, its real application research is had important directive significance.
Summary of the invention
The purpose of this utility model provides a kind of experiment porch that integrates the novel microbial fuel cell of piggery wastewater and other sewage disposals and electrogenesis.
The experiment porch of described in the utility model pair of cylinder type microbiological fuel cell forms and comprises cation-exchange membrane, graphite carbon felt, load R, carbon fibre precursor, cylinder outer wall, magnetic stirring apparatus, gas pipe, aerator, anode chamber, cathode chamber, aeration tube, calomel electrode, rubber stopper, electric folder, carbon fibre precursor, data acquisition unit, notebook computer.
The skeleton that support cation-exchange membrane and conductive carbon fibre silk adhere to adopts the round-meshed cylindrical polymethyl methacrylate pipe of beating of long 200mm, internal diameter 80mm to make, and inner core is the anode chamber, then is cathode chamber beyond the inner core.In the experiment apparatus main body position is put in the glass beaker of 2L, then the volume of remaining 1L namely becomes cathode chamber in the beaker, and the empty bed volume of cathode chamber and anode chamber is 1L, and the anode chamber's dischargeable capacity behind the adding electrode is 950mL.Cathode electrode adopts the conductive carbon fibre silk closely to make to all wrapping up its outer wall around a few along the amberplex outer wall; Anode electrode adopts the carbon felt of thick 3mm, and the carbon felt is long and wide to be 18cm and 14cm, and surface area is 252cm
2The upper end, anode chamber is provided with a circular port, is used for sampling and electrode potential and measures, and establishes the rubber capping.The ring-type aeration tube is laid in the cathode chamber bottom.Use belt electrode to adopt the titanium silk to draw, the external circuit wire uses copper wire wire, external variable resistive load R.Collector is connected with load R two ends, connects computer again, stores, shows the data that gather.
The utility model has the advantage of:
1. electrode adopts cheap carbon felt electrode and carbon fibre precursor, reduces reactor cost, and has improved efficiency of fuel cell generation.
2. reactor adopts polymethyl methacrylate as main material, with an organic solvent dissolves polymethyl methacrylate, slit between polymethyl methacrylate and the proton exchange membrane is merged fully closely knit, and cathode chamber and anode chamber are strong every sealing.
3. reactor is detachable, is convenient to the reactor periodic flushing, and antianode electrode material and cathode material are adjusted transformation.
4. the structure of two cylinder type devices and the use of carbon felt electrode and cathode electrode material have reduced interelectrode mass transfer spacing, reduce the resistance to mass tranfer of MFC, have improved the electrogenesis energy of device.
5. install stablely, the electrogenesis feature is more obvious.
6. two cylinder type microbiological fuel cells can reach the higher level of traditional anaerobic technique organic matter removal to the organic removal rate of piggery wastewater.
Description of drawings
Fig. 1 is apparatus structure schematic diagram of the present utility model.1. amberplexes, 2. graphite carbon felts, 3. load R4. carbon fibre precursors, 5. cylinder outer walls, 6. magnetic stirring apparatus, 7. gas pipes, 8. aerators, 9. anode chambers, 10. cathode chambers, 11. aeration tubes, 12. calomel electrodes, 13. rubber stoppers, 14. electricity folders, 15. carbon fibre precursors, 16. data acquisition units, 17. notebook computers among the figure.
Fig. 2 utilizes the utility model to process the start-up course output voltage situation of change of piggery wastewater.Abscissa is time/h among the figure, and ordinate (left side) is output voltage/mV, and ordinate (right side) is anode electrode electromotive force/mV, and ■ is output voltage, ▲ be anode potential.A. change for the first time at the bottom of the anode liquid B. and change for the second time liquid at the bottom of the anode.
Fig. 3 utilizes the utility model to process the initial COD concentration of piggery wastewater to be the as a result figure of 1466.66mg/L.Abscissa is time/h among the figure, and ordinate (left side) is output voltage/mV, and ordinate (right side) is anode electrode electromotive force/mV, and ■ is output voltage, and ★ is anode potential.
Fig. 4 utilizes the utility model to process the polarization curve test result figure of piggery wastewater.Abscissa is electric current/mA among the figure, and ordinate (left side) is output voltage/mV, and ordinate (right side) is power density/mW ﹒ m
2, 1-9 is volt-ampere curve, 10-18 is polarization curve.
Embodiment
Be illustrated by reference to the accompanying drawings
Fig. 1 is the utility model structural representation.The experiment porch of described in the utility model pair of cylinder type microbiological fuel cell forms and comprises cation-exchange membrane, graphite carbon felt, load R, carbon fibre precursor, cylinder outer wall, magnetic stirring apparatus, gas pipe, aerator, anode chamber, cathode chamber, aeration tube, calomel electrode, rubber stopper, electric folder, carbon fibre precursor, data acquisition unit, notebook computer.The skeleton that support cation-exchange membrane and conductive carbon fibre silk adhere to adopts the round-meshed cylindrical polymethyl methacrylate pipe of beating of long 200mm, internal diameter 80mm to make, and inner core is the anode chamber, then is cathode chamber beyond the inner core.In the experiment apparatus main body position is put in the glass beaker of 2L, then the volume of remaining 1L namely becomes cathode chamber in the beaker, and the empty bed volume of cathode chamber and anode chamber is 1L, and the anode chamber's dischargeable capacity behind the adding electrode is 950mL.Cathode electrode adopts the conductive carbon fibre silk closely to make to all wrapping up its outer wall around a few along the amberplex outer wall; Anode electrode adopts the carbon felt of thick 3mm, and 14cm * 18cm, surface area are 252cm
2The upper end, anode chamber is provided with a circular port, is used for sampling and electrode potential and measures, and establishes the rubber capping.The ring-type aeration tube is laid in the cathode chamber bottom.Use belt electrode to adopt the titanium silk to draw, the external circuit wire uses copper wire wire, external variable resistance box.
Fig. 2 utilizes the utility model to process the start-up course output voltage situation of change of piggery wastewater, at first inject at the anolyte of 950mL and be diluted to approximately that the actual waste water 400mL(of 2000mg/L accounts for 50%, but do not add the CBS buffer solution), the concentration of injection table 2.2 is the dextrose culture-medium 450mL of 2000mgCOD/L, other conditions with 4.1 the joint in experiment condition identical.Change anolyte with 50% actual piggery wastewater and simulated wastewater mixture at every turn, behind the anode substrate replacing sun through 2 times (B places), just can reach stable electrogenesis, finished the domestication of electrogenesis bacterium to actual waste water.
Fig. 3 utilizes the utility model to process the initial COD concentration of piggery wastewater to be the as a result figure of 1466.66mg/L.Whole process electrogenesis time remaining 148.4h, the electrogenesis platform duration is 125.0h approximately.Anode potential can reach-451mV, and output voltage is up to 660mV, and electric current reaches 6.6mA, and power output reaches 4.36mW(174.4 mW/m
2), the COD clearance is 73.26%.
Fig. 4 utilizes the utility model to process the polarization curve test result figure of piggery wastewater.Initial COD concentration is brought up to 4000mg/L from 1000mg/L maximum power density can be brought up to 269.36mW/ ㎡ (12.98mA) from 130.63mW/ ㎡ (10.41mA).Continue afterwards initial COD concentration is increased to 20000mg/L from 5000mg/L, obtaining maximum power is 226.58mW/ ㎡ (11.90mA) ~ 233.28mW/ ㎡ (10.80mA).
Claims (1)
1. experiment porch of processing two cylinder type microbiological fuel cells of piggery wastewater, it is characterized in that: the experiment porch structure of described battery comprises cation-exchange membrane, graphite carbon felt, load R, carbon fibre precursor, cylinder outer wall, magnetic stirring apparatus, gas pipe, aerator, anode chamber, cathode chamber, aeration tube, calomel electrode, rubber stopper, electric folder, carbon fibre precursor, data acquisition unit, notebook computer;
The skeleton that support cation-exchange membrane and conductive carbon fibre silk adhere to adopts the round-meshed cylindrical polymethyl methacrylate pipe of beating of long 200mm, internal diameter 80mm to make, and inner core is the anode chamber, then is cathode chamber beyond the inner core; In the experiment apparatus main body position is put in the glass beaker of 2L, then the volume of remaining 1L namely becomes cathode chamber in the beaker, and the empty bed volume of cathode chamber and anode chamber is 1L, and the anode chamber's dischargeable capacity behind the adding electrode is 950mL; Cathode electrode adopts the conductive carbon fibre silk closely to make to all wrapping up its outer wall around a few along the amberplex outer wall; Anode electrode adopts the carbon felt of thick 3mm, the length of carbon felt and wide be 18cm and 14cm, surface area is 252cm
2The upper end, anode chamber is provided with a circular port, is used for sampling and electrode potential and measures, and establishes the rubber capping; The ring-type aeration tube is laid in the cathode chamber bottom; Use belt electrode to adopt the titanium silk to draw, the external circuit wire uses copper wire wire, external variable resistive load R; Collector is connected with load R two ends, connects computer again, stores, shows the data that gather.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012203504054U CN202888321U (en) | 2012-07-19 | 2012-07-19 | Piggery wastewater treatment experiment platform provided with double-cylinder-type microbial fuel cell |
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| CN2012203504054U CN202888321U (en) | 2012-07-19 | 2012-07-19 | Piggery wastewater treatment experiment platform provided with double-cylinder-type microbial fuel cell |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102790232A (en) * | 2012-07-18 | 2012-11-21 | 南昌大学 | Double-cylinder microbial fuel cell for treatment of piggery wastewater |
| CN103811791A (en) * | 2014-01-29 | 2014-05-21 | 中国科学院成都生物研究所 | Bioelectrochemistry device and bioelectrochemistry method for extracting reducing energy from waste and wastewater |
| CN103881905A (en) * | 2014-01-29 | 2014-06-25 | 中国科学院成都生物研究所 | Embedded bioelectricity synthesis system and method |
| CN103966078A (en) * | 2014-05-08 | 2014-08-06 | 中国科学院成都生物研究所 | Device and method for producing hydrogen and methane by embedded biological electrolysis |
| CN104852072A (en) * | 2015-05-15 | 2015-08-19 | 南通科技职业学院 | Spherical leakage-proof two-chambered microbial fuel cell configuration |
| CN107808970A (en) * | 2017-10-23 | 2018-03-16 | 郭超 | A kind of microbiological fuel cell |
-
2012
- 2012-07-19 CN CN2012203504054U patent/CN202888321U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102790232A (en) * | 2012-07-18 | 2012-11-21 | 南昌大学 | Double-cylinder microbial fuel cell for treatment of piggery wastewater |
| CN103811791A (en) * | 2014-01-29 | 2014-05-21 | 中国科学院成都生物研究所 | Bioelectrochemistry device and bioelectrochemistry method for extracting reducing energy from waste and wastewater |
| CN103881905A (en) * | 2014-01-29 | 2014-06-25 | 中国科学院成都生物研究所 | Embedded bioelectricity synthesis system and method |
| CN103881905B (en) * | 2014-01-29 | 2015-10-28 | 中国科学院成都生物研究所 | A kind of embedded bio electrosynthesis system and method |
| CN103811791B (en) * | 2014-01-29 | 2015-12-09 | 中国科学院成都生物研究所 | A kind of Bioelectrochemical device and method extracting also proper energy from discarded object and waste water |
| CN103966078A (en) * | 2014-05-08 | 2014-08-06 | 中国科学院成都生物研究所 | Device and method for producing hydrogen and methane by embedded biological electrolysis |
| CN103966078B (en) * | 2014-05-08 | 2015-12-02 | 中国科学院成都生物研究所 | The device and method of a kind of embedded bio electrolytic hydrogen production and methane |
| CN104852072A (en) * | 2015-05-15 | 2015-08-19 | 南通科技职业学院 | Spherical leakage-proof two-chambered microbial fuel cell configuration |
| CN104852072B (en) * | 2015-05-15 | 2017-10-24 | 南通科技职业学院 | A kind of spherical leakproof double-chamber microbiological fuel cell configuration |
| CN107808970A (en) * | 2017-10-23 | 2018-03-16 | 郭超 | A kind of microbiological fuel cell |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20130719 |