CN211125849U - Microbial fuel cell with filter device - Google Patents
Microbial fuel cell with filter device Download PDFInfo
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- CN211125849U CN211125849U CN202020584416.3U CN202020584416U CN211125849U CN 211125849 U CN211125849 U CN 211125849U CN 202020584416 U CN202020584416 U CN 202020584416U CN 211125849 U CN211125849 U CN 211125849U
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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
Abstract
A microbiological fuel cell with a filtering device relates to a microbiological fuel cell. Aims to solve the problem that the efficiency of the microbial fuel cell is reduced due to the existence of insoluble impurities in the wastewater. The device consists of an anode chamber, a cathode chamber, a proton exchange membrane, a voltage monitor and a filtering component; the filter component consists of a first grid net, a filter material filling layer and a second grid net, wherein the filter material filling layer is arranged between the first grid net and the second grid net; the filtering assemblies are respectively and horizontally arranged inside the anode chamber and the cathode chamber. The utility model discloses set up filtering component on cathode chamber and anode chamber, when handling actual water, can hold back impurity effectively, adsorb the pollutant to provide the reaction bed for the microorganism through grid net-active carbon, improved the treatment effect and the electrogenesis performance of waste water. The utility model is suitable for a sewage treatment.
Description
Technical Field
The utility model belongs to the environmental science field, concretely relates to microbial fuel cell.
Background
Microbial Fuel Cells (MFCs) are a technology for treating wastewater by oxidizing and degrading pollutants with microorganisms on electrodes, and are widely used in laboratory artificial simulation wastewater treatment and microbial electrogenesis research. MFCs are structurally classified into a single-chamber type, a double-chamber type, and a multi-chamber type. The double-chamber MFC is composed of two electrode chambers, one is an anaerobic chamber (anode chamber) and the other is an aerobic chamber (cathode chamber), in the anaerobic chamber, substances are oxidized by microorganisms, electrons are transferred to an anode by an external carrier or mediator, or directly transferred to the anode by microbial respiratory enzyme; the anode chamber and the cathode chamber are separated by a proton exchange membrane in the cell, and the outside is connected by a lead to form a circulating circuit; in the anode chamber, electrons respectively reach the cathode through an external circuit and protons through a proton exchange membrane, and are combined with oxygen to form water. Thus, a dual chamber MFC has the advantage that the electrodes can be designed separately and can be degraded separately in the anode or cathode chamber for different types of contaminants. The improvement of the power generation of MFC capacity, the pollutant treatment and the practical application performance is always the core of the development of the technology. The existence of insoluble impurities such as poultry excrement, food residues, plant debris, solid particles, silt and the like in the wastewater can cause the internal resistance of the anode chamber and the cathode chamber to be increased, and the electric output of the MFC is influenced; impurities adhere to the electrodes, which may cause a reduction in the rate of bioadhesion and thus the redox efficiency of microorganisms, and thus insoluble impurities in the wastewater may reduce the efficiency of the microbial fuel cell.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that existence of indissolvable impurity in the waste water leads to microbial fuel cell efficiency to reduce, provide a microbial fuel cell with filter equipment.
The utility model discloses a microbial fuel cell with a filtering device comprises an anode chamber, a cathode chamber, a proton exchange membrane, a voltage monitor and a filtering component;
the anode chamber and the cathode chamber are provided with the same openings, the openings of the anode chamber and the cathode chamber are oppositely arranged and are connected through flanges, a proton exchange membrane is arranged between the opening of the anode chamber and the opening of the cathode chamber, and sealing gaskets are respectively arranged between the proton exchange membrane and the flanges at two sides; a plurality of anode chamber liquid inlets are formed on the anode chamber top plate, and a plurality of cathode chamber liquid inlets are formed on the cathode chamber top plate;
the filter component consists of a first grid net, a filter material filling layer and a second grid net, wherein the filter material filling layer is arranged between the first grid net and the second grid net; the two filtering components are respectively and horizontally arranged in the anode chamber and the cathode chamber; an anode is arranged below the filtering component in the anode chamber, and a cathode is arranged below the filtering component in the cathode chamber; the voltage monitor is arranged outside the anode chamber and the cathode chamber, the anode is connected with a titanium wire, and the free end of the titanium wire on the anode penetrates through the filter assembly in the anode chamber and then penetrates out of the liquid inlet of the anode chamber and is connected with the anode of the voltage monitor; the cathode is connected with a titanium wire, and the free end of the titanium wire on the cathode penetrates through the filter assembly in the cathode chamber, then penetrates out of the liquid inlet of the cathode chamber and is connected with the negative electrode of the voltage monitor;
the first grating net and the second grating net are titanium wire nets, and the titanium wires on the anode are in contact with and welded with the first grating net and the second grating net in the filtering component in the anode chamber; the titanium wire on the cathode is in contact with and welded with a first grid net and a second grid net in a filter assembly of the cathode chamber;
an anode chamber liquid discharge pipe is arranged at the bottom of the side wall of the anode chamber, and a liquid discharge port of the anode chamber liquid discharge pipe is provided with a rubber plug; the bottom of the side wall of the cathode chamber is provided with a cathode chamber liquid discharge pipe, and a liquid discharge port of the cathode chamber liquid discharge pipe is provided with a rubber plug.
The utility model discloses compare with traditional two rooms MFC and have following effect:
the utility model discloses on the basis of traditional two room MFC configurations, set up filter assembly in cathode chamber and anode chamber upper end, when handling actual water, filter assembly submergence in sewage, can adjust the specification of grid and active carbon at any time according to the circumstances such as the turbidity of specific sewage, on the one hand, can hold back impurity effectively, can adsorb the pollutant, carry out preliminary treatment to actual waste water; on the other hand, a reaction bed is provided for microorganisms through the grid mesh-activated carbon, the treatment effect and the electricity generation performance of the wastewater are greatly improved, and the device organically combines the filtration and the MFC treatment technology and can promote the treatment efficiency and the energy recovery of pollutants.
Drawings
FIG. 1 is a schematic view showing the structure of a microbial fuel cell having a filter device according to example 1;
fig. 2 is a schematic structural view of the filter assembly 5 in example 1.
Detailed Description
The technical scheme of the utility model is not limited to the specific implementation modes listed below, and also comprises any reasonable combination between the specific implementation modes.
The first embodiment is as follows: the microbial fuel cell with the filtering device of the embodiment is composed of an anode chamber 1, a cathode chamber 2, a proton exchange membrane 3, a voltage monitor 4 and a filtering component 5;
the anode chamber 1 and the cathode chamber 2 are provided with the same opening, the openings of the anode chamber 1 and the cathode chamber 2 are oppositely arranged and connected through flanges, a proton exchange membrane 3 is arranged between the opening of the anode chamber 1 and the opening of the cathode chamber 2, and sealing gaskets 12 are respectively arranged between the proton exchange membrane 3 and the flanges at two sides; a top plate of the anode chamber 1 is provided with a plurality of anode chamber liquid inlets 10, and a top plate of the cathode chamber 2 is provided with a plurality of cathode chamber liquid inlets 9;
the filter component 5 consists of a first grid net 5-3, a filter material filling layer 5-2 and a second grid net 5-1, wherein the filter material filling layer 5-2 is arranged between the first grid net 5-3 and the second grid net 5-1; two filtering assemblies 5 are respectively and horizontally arranged inside the anode chamber 1 and the cathode chamber 2; an anode 11 is arranged below the filtering component 5 in the anode chamber 1, and a cathode 8 is arranged below the filtering component 5 in the cathode chamber 2; the voltage monitor 4 is arranged outside the anode chamber 1 and the cathode chamber 2, the anode 11 is connected with a titanium wire, and the free end of the titanium wire on the anode 11 penetrates through the filter assembly 5 in the anode chamber 1 and then penetrates out of the anode chamber liquid inlet 10 and is connected with the anode of the voltage monitor 4; the cathode 8 is connected with a titanium wire, and the free end of the titanium wire on the cathode 8 penetrates through the filter assembly 5 in the cathode chamber 2, then penetrates out of the liquid inlet 9 of the cathode chamber and is connected with the negative electrode of the voltage monitor 4;
the first grid net 5-3 and the second grid net 5-1 are titanium wire nets, and the titanium wires on the anode 11 are in contact with and welded with the first grid net 5-3 and the second grid net 5-1 in the filtering component 5 in the anode chamber 1; the titanium wires on the cathode 8 are in contact with and welded with the first grid net 5-3 and the second grid net 5-1 in the filter assembly 5 of the cathode chamber 2;
an anode chamber liquid discharge pipe 6 is arranged at the bottom of the side wall of the anode chamber 1, and a liquid discharge port of the anode chamber liquid discharge pipe 6 is provided with a rubber plug; a cathode chamber liquid discharge pipe 7 is arranged at the bottom of the side wall of the cathode chamber 2, and a liquid discharge port of the cathode chamber liquid discharge pipe 7 is provided with a rubber plug.
According to the embodiment, on the basis of the traditional double-chamber MFC structure, the filtering components 5 are arranged at the upper ends of the cathode chamber and the anode chamber, and when the actual water body is treated, the specifications of the grid and the activated carbon can be adjusted at any time according to the conditions of specific sewage turbidity and the like, so that on one hand, impurities can be effectively intercepted, pollutants can be adsorbed, and the actual wastewater is subjected to primary treatment; on the other hand, a reaction bed is provided for microorganisms through the grid mesh-activated carbon, the treatment effect and the electricity generation performance of the wastewater are greatly improved, and the device organically combines the filtration and the MFC treatment technology and can promote the treatment efficiency and the energy recovery of pollutants.
The second embodiment is as follows: the first difference between the present embodiment and the specific embodiment is: a sealing rubber plug is arranged in the liquid inlet 10, and a sealing rubber plug is arranged in the liquid inlet 9. Other steps and parameters are the same as in the first embodiment.
The third concrete implementation mode: the present embodiment differs from the first or second embodiment in that: the cathode 8 and the anode 11 are rectangular graphite felt electrodes. Other steps and parameters are the same as in the first or second embodiment.
The fourth concrete implementation mode: the difference between this embodiment mode and one of the first to third embodiment modes is: the filler in the filter material filling layer 5-2 is activated carbon, and the activated carbon is wood columnar activated carbon, rice hull activated carbon or coal-based activated carbon. Other steps and parameters are the same as in one of the first to third embodiments.
Example 1:
referring to fig. 1 and 2, the microbial fuel cell with a filter device of the present embodiment is composed of an anode chamber 1, a cathode chamber 2, a proton exchange membrane 3, a voltage monitor 4, and a filter assembly 5;
the anode chamber 1 and the cathode chamber 2 are provided with the same opening, the openings of the anode chamber 1 and the cathode chamber 2 are oppositely arranged and connected through flanges, a proton exchange membrane 3 is arranged between the opening of the anode chamber 1 and the opening of the cathode chamber 2, and sealing gaskets 12 are respectively arranged between the proton exchange membrane 3 and the flanges at two sides; a top plate of the anode chamber 1 is provided with 3 anode chamber liquid inlets 10, and a top plate of the cathode chamber 2 is provided with 3 cathode chamber liquid inlets 9;
the filter component 5 consists of a first grid net 5-3, a filter material filling layer 5-2 and a second grid net 5-1, wherein the filter material filling layer 5-2 is arranged between the first grid net 5-3 and the second grid net 5-1; two filtering assemblies 5 are respectively and horizontally arranged inside the anode chamber 1 and the cathode chamber 2; an anode 11 is arranged below the filtering component 5 in the anode chamber 1, and a cathode 8 is arranged below the filtering component 5 in the cathode chamber 2; the voltage monitor 4 is arranged outside the anode chamber 1 and the cathode chamber 2, the anode 11 is connected with a titanium wire, and the free end of the titanium wire on the anode 11 penetrates through the filter assembly 5 in the anode chamber 1 and then penetrates out of the anode chamber liquid inlet 10 and is connected with the anode of the voltage monitor 4; wherein the titanium wire can penetrate out of the sealing rubber plug, the cathode 8 is connected with the titanium wire, the free end of the titanium wire on the cathode 8 penetrates through the filter assembly 5 in the cathode chamber 2 and then penetrates out of the cathode chamber liquid inlet 9 and is connected with the negative electrode of the voltage monitor 4;
the first grid net 5-3 and the second grid net 5-1 are titanium wire nets, and the titanium wires on the anode 11 are in contact with and welded with the first grid net 5-3 and the second grid net 5-1 in the filtering component 5 in the anode chamber 1; the titanium wires on the cathode 8 are in contact with and welded with the first grid net 5-3 and the second grid net 5-1 in the filter assembly 5 of the cathode chamber 2;
an anode chamber liquid discharge pipe 6 is arranged at the bottom of the side wall of the anode chamber 1, and a liquid discharge port of the anode chamber liquid discharge pipe 6 is provided with a rubber plug; a cathode chamber liquid discharge pipe 7 is arranged at the bottom of the side wall of the cathode chamber 2, and a liquid discharge port of the cathode chamber liquid discharge pipe 7 is provided with a rubber plug;
a sealing rubber plug is arranged in the liquid inlet 10, and a sealing rubber plug is arranged in the liquid inlet 9; the cathode 8 and the anode 11 are rectangular graphite felt electrodes; the filler in the filter material filling layer 5-2 is activated carbon, and the activated carbon is wood columnar activated carbon.
According to the embodiment, on the basis of the traditional double-chamber MFC structure, the filtering components 5 are arranged at the upper ends of the cathode chamber and the anode chamber, and when the actual water body is treated, the specifications of the grid and the activated carbon can be adjusted at any time according to the conditions of specific sewage turbidity and the like, so that on one hand, pollutants can be effectively adsorbed to realize impurity interception, and the actual wastewater is subjected to primary treatment; on the other hand, a reaction bed is provided for microorganisms through the grid net and the activated carbon, the treatment effect and the electricity generation performance of the wastewater are greatly improved, the device organically combines the filtration and the MFC treatment technology, and the treatment efficiency and the energy recovery efficiency of pollutants are promoted.
Comparative example 1:
the apparatus of this example is different from that of example 1 in that the filter unit 5 is not provided in the interior of the anode chamber 1 and the cathode chamber 2, and is otherwise the same as that of example 1.
The simulated chlorophenol-containing industrial wastewater is treated by the device in the embodiment 1 and the device in the comparative example 1 simultaneously, the complete degradation time of the simulated wastewater containing 10 mg/L2-CP is 48h, the degradation rate of the simulated wastewater containing 20 mg/L2-CP is 92.6% in 48h, the maximum power generation of the simulated wastewater containing 10 mg/L2-CP in the degradation process can reach 0.6V, the power output is stabilized at 0.5V-0.6V and continues for 26h, the complete degradation time of the simulated wastewater containing 10 mg/L2-CP in the comparative example 1 is 60h, the degradation rate of the simulated wastewater containing 20 mg/L2-CP at 60h is 80%, the maximum power generation of the simulated wastewater containing 10 mg/L2-CP in the degradation process is 0.55V, and the power output is stabilized at 0.5V-0.55V and continues for 20 h.
Claims (4)
1. A microbial fuel cell having a filtration device, characterized by: the microbial fuel cell with the filtering device is composed of an anode chamber (1), a cathode chamber (2), a proton exchange membrane (3), a voltage monitor (4) and a filtering component (5);
the anode chamber (1) and the cathode chamber (2) are provided with the same opening, the openings of the anode chamber (1) and the cathode chamber (2) are oppositely arranged and are connected through flanges, a proton exchange membrane (3) is arranged between the opening of the anode chamber (1) and the opening of the cathode chamber (2), and sealing gaskets (12) are respectively arranged between the proton exchange membrane (3) and the flanges at two sides; a plurality of anode chamber liquid inlets (10) are formed on the top plate of the anode chamber (1), and a plurality of cathode chamber liquid inlets (9) are formed on the top plate of the cathode chamber (2);
the filter component (5) is composed of a first grid net (5-3), a filter material filling layer (5-2) and a second grid net (5-1), and the filter material filling layer (5-2) is arranged between the first grid net (5-3) and the second grid net (5-1); the two filtering components (5) are respectively and horizontally arranged inside the anode chamber (1) and the cathode chamber (2); an anode (11) is arranged below the filtering component (5) in the anode chamber (1), and a cathode (8) is arranged below the filtering component (5) in the cathode chamber (2); the voltage monitor (4) is arranged outside the anode chamber (1) and the cathode chamber (2), the anode (11) is connected with a titanium wire, and the free end of the titanium wire on the anode (11) penetrates through the filter assembly (5) in the anode chamber (1) and then penetrates out of the anode chamber liquid inlet (10) and is connected with the anode of the voltage monitor (4); the cathode (8) is connected with a titanium wire, and the free end of the titanium wire on the cathode (8) penetrates through the filter component (5) in the cathode chamber (2) and then penetrates out of the liquid inlet (9) of the cathode chamber and is connected with the negative electrode of the voltage monitor (4);
the first grid net (5-3) and the second grid net (5-1) are titanium wire nets, and the titanium wires on the anode (11) are in contact with and welded with the first grid net (5-3) and the second grid net (5-1) in the filtering component (5) in the anode chamber (1); the titanium wires on the cathode (8) are in contact with and welded with the first grid net (5-3) and the second grid net (5-1) in the filter component (5) of the cathode chamber (2);
an anode chamber liquid discharge pipe (6) is arranged at the bottom of the side wall of the anode chamber (1), and a liquid discharge port of the anode chamber liquid discharge pipe (6) is provided with a rubber plug; a cathode chamber liquid discharge pipe (7) is arranged at the bottom of the side wall of the cathode chamber (2), and a liquid discharge port of the cathode chamber liquid discharge pipe (7) is provided with a rubber plug.
2. The microbial fuel cell having a filtration device according to claim 1, wherein: a sealing rubber plug is arranged in the liquid inlet (10), and a sealing rubber plug is arranged in the liquid inlet (9).
3. The microbial fuel cell having a filtration device according to claim 1, wherein: the cathode (8) and the anode (11) are rectangular graphite felt electrodes.
4. The microbial fuel cell having a filtration device according to claim 1, wherein: the filler in the filter material filling layer (5-2) is activated carbon, and the activated carbon is wood columnar activated carbon, rice hull activated carbon or coal-based activated carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020584416.3U CN211125849U (en) | 2020-04-18 | 2020-04-18 | Microbial fuel cell with filter device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020584416.3U CN211125849U (en) | 2020-04-18 | 2020-04-18 | Microbial fuel cell with filter device |
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| CN211125849U true CN211125849U (en) | 2020-07-28 |
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| CN202020584416.3U Expired - Fee Related CN211125849U (en) | 2020-04-18 | 2020-04-18 | Microbial fuel cell with filter device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111875123A (en) * | 2020-08-31 | 2020-11-03 | 太和县大华能源科技有限公司 | Treatment device for waste water recovered from lead-acid storage battery |
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2020
- 2020-04-18 CN CN202020584416.3U patent/CN211125849U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111875123A (en) * | 2020-08-31 | 2020-11-03 | 太和县大华能源科技有限公司 | Treatment device for waste water recovered from lead-acid storage battery |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211008 Address after: 266000 7 / F, plot 3, national (Qingdao) Communication Industrial Park, 78 Zhuzhou Road, Laoshan District, Qingdao City, Shandong Province Patentee after: Pumin Environmental Protection Technology Co.,Ltd. Address before: 150080 No. 130, Qingming Sidao street, Harbin City, Heilongjiang Province Patentee before: Jia Bingxin |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |