CN106898803A - A kind of multiple-effect photosynthesis microorganism fuel cell and implementation method - Google Patents
A kind of multiple-effect photosynthesis microorganism fuel cell and implementation method Download PDFInfo
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- 238000010672 photosynthesis Methods 0.000 title claims abstract description 35
- 244000005700 microbiome Species 0.000 title claims abstract description 33
- 230000029553 photosynthesis Effects 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000003990 capacitor Substances 0.000 claims abstract description 61
- 238000011033 desalting Methods 0.000 claims abstract description 48
- 210000004027 cell Anatomy 0.000 claims abstract description 35
- 230000005611 electricity Effects 0.000 claims abstract description 23
- 241000894006 Bacteria Species 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- 230000004888 barrier function Effects 0.000 claims abstract description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 8
- 210000005056 cell body Anatomy 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims abstract description 3
- 239000002351 wastewater Substances 0.000 claims description 18
- 150000002500 ions Chemical class 0.000 claims description 17
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- 238000007254 oxidation reaction Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 241000195493 Cryptophyta Species 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 9
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- 238000000354 decomposition reaction Methods 0.000 claims description 4
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- LKDRXBCSQODPBY-VRPWFDPXSA-N D-fructopyranose Chemical compound OCC1(O)OC[C@@H](O)[C@@H](O)[C@@H]1O LKDRXBCSQODPBY-VRPWFDPXSA-N 0.000 claims description 3
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- 241000607598 Vibrio Species 0.000 claims description 3
- VSRXQHXAPYXROS-UHFFFAOYSA-N azanide;cyclobutane-1,1-dicarboxylic acid;platinum(2+) Chemical compound [NH2-].[NH2-].[Pt+2].OC(=O)C1(C(O)=O)CCC1 VSRXQHXAPYXROS-UHFFFAOYSA-N 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
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- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 241000193830 Bacillus <bacterium> Species 0.000 claims description 2
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- 238000006722 reduction reaction Methods 0.000 claims 2
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- 239000011574 phosphorus Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 11
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 7
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- 229910052760 oxygen Inorganic materials 0.000 description 5
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- 238000006243 chemical reaction Methods 0.000 description 4
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
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- 238000009825 accumulation Methods 0.000 description 2
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- 150000003839 salts Chemical class 0.000 description 2
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- 241000235017 Zygosaccharomyces Species 0.000 description 1
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- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/005—Combined electrochemical biological processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/341—Consortia of bacteria
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
- H01M4/8652—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites as mixture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/16—Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M2004/8678—Inert electrodes with catalytic activity, e.g. for fuel cells characterised by the polarity
- H01M2004/8684—Negative electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for 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
- 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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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
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- Water Supply & Treatment (AREA)
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- Manufacturing & Machinery (AREA)
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- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Composite Materials (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Fuel Cell (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to a kind of multiple-effect photosynthesis microorganism fuel cell and implementation method, its cathode chamber, desalting chamber, anode chamber are set in turn in cell body, enter between-line spacing by anode film each other；Anode compartment adds extracellular electricity production bacterium, and inserts anode electrode wherein；Cathode chamber inside addition microalgae simultaneously inserts the cathode electrode for scribbling catalyst coat；One group of capacitor plate is set in desalting chamber, capacitor plate is divided into positive capacitor plate and negative appearance capacitor plate, and positive capacitor plate is interspersed with negative capacitance pole plate to be placed, and insulating barrier is placed between adjacent two capacitor plate, negative capacitance pole plate is connected with anode electrode, and positive capacitor plate is connected with cathode electrode；O is produced in the cathode chamber2, CO is produced in anode chamber2, electronics and proton, the proton reaches cathode chamber through the anode film, in the presence of catalyst, with O2Generation electrochemical action forms steady oxide.The present invention can improve desalination speed while effectively going to denitrogenate phosphorus.
Description
Technical field
The present invention relates to a kind of microorganism desalination field of fuel cell technology, particularly a kind of multiple-effect photosynthetic microorganism fuel
Battery and implementation method.
Background technology
Microbiological fuel cell (Microbial fuel cell, MFC) is with microbiological oxidation organic matter and produces electric current
Device, its maximum advantage is can synchronously to obtain electric energy while waste water is processed, so as to reduce the fortune of wastewater treatment
Row cost.Such as patent high efficiency microbial fuel cell (application number：201180024710.2), using extracellular electricity production
Bacterium (bacterium) is anode, negative electrode and air contact.
Although in the past few years, the power density of MFC is from initial 11Wm-3Increase to 4000Wm-3,
But because its power output is low, the shortcoming that recovery electric energy is difficult to recycle limits its application in practice.Patent is a kind of
Desalting technology (the application number of capacitive deionization is driven using microbiological fuel cell：201310467063.3) by coupling
Close capacitive deionization (CDI) to utilize electric energy, i.e., the electricity production of adhesive electrodes growth is thin in MFC anode chambers
Bacterium produces electric energy using useless Organic substance in water, and two electrodes of anode and negative electrode are connected into CDI devices by external circuit
Activated carbon electrodes realize desalination.But the above method is not improved the efficiency of MFC, while external capacitor device
Complex structure is caused, the application in its actual production is also limit.
Microorganism desalination fuel cell (microbial desalination cell, MDC) is one with Microbial fuel electricity
New desalination technology based on pond (MFC), MDC is that cation is added between the anode chamber of MFC and cathode chamber
Exchange membrane (CEM) and anion-exchange membrane (AEM), form desalting chamber in the middle of, without any external pressurized
In the presence of power and electric field, going for desalting chamber's salting liquid ion is promoted by the electric field of bioelectrochemical system negative and positive interpolar
Remove, synchronously reduce the internal resistance of negative and positive interpolar, so as to improve the power output of MFC.Although anode chamber's solution is electric
The rising of conductance can to a certain extent improve desalting efficiency and production capacity, but the zwitterion of desalting chamber respectively enters anode chamber
And cathode chamber, the removing of truly salt ion is not realized.
It is that MDC faces another problem is that the anode chamber and the cathode chamber pH is unbalance, accumulation and pH with anode chamber's anion
Reduce, significantly limit the electricity generation ability of microorganism, and then influence desalting efficiency, while influenceing the activity of electricity production bacterium.
A kind of microorganism capacitive desalination fuel cell technology (application number of patent：201410824619.4) MDC is carried out
Improve, using add in microorganism desalination fuel cell two cation-exchange membranes replace the moon of prior art from
The method that proton exchange and a cation-exchange membrane are combined, and by the capacitive deionization using active carbon cloth as electrode
Unit is coupled into separate anode chamber and cathode chamber so that proton can be through cation-exchange membrane and active carbon cloth in sun
Pole room, desalting chamber, cathode chamber three are freely shifted between Room, reach the effect for stablizing each room pH.When the absorption of electrode is held
When amount reaches saturation, electric pole short circuit or applying reversed electric field, adsorbed ion is allowed to form concentrated water in coming back to water
Drain, while electrode is regenerated.Although this method can overcome, the pH of MDC is unbalanced, can not realize original
The shortcomings of position continuous processing, but because the distance of two capacitor plates is limited, cause the volume of desalting chamber to be restricted, drop
The low treating capacity of salting liquid, while desalination speed is low, salt removal efficiency is poor.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of multiple-effect photosynthesis microorganism fuel cell, with
And the method for realizing the photosynthesis microorganism fuel cell.Capacitance group is added in desalting chamber, cathode-anode plate intersects straggly
Place, the spatial volume of desalting chamber is matched by the increase and decrease of capacitor plate quantity and apart from upper adjustment, improve desalination speed
Rate；By negative electrode couple microalgae photobiological reactor, using microalgae carry out photosynthesis discharge oxygen replace it is traditional
Air cathode, has good effect simultaneously for the removal of nitrogen phosphorus.
Certainly its technical problem is achieved through the following technical solutions the present invention：
A kind of multiple-effect photosynthesis microorganism fuel cell, it is characterised in that：Including cathode chamber, anode chamber, desalting chamber and groove
Body, the cathode chamber, anode chamber and desalting chamber may be contained within cell body, enter between-line spacing by anode film each other,
The desalting chamber is located between cathode chamber and anode chamber；The anode compartment adds extracellular electricity production bacterium, and wherein
Insertion anode electrode；Cathode chamber inside addition microalgae simultaneously inserts the cathode electrode for scribbling catalyst coat；It is described de-
One group of capacitance group being made up of capacitor plate is set in salt room, and the capacitor plate is divided into positive capacitor plate and negative appearance electric capacity
Pole plate, positive capacitor plate is interspersed with negative capacitance pole plate to be placed, and insulating barrier, negative capacitance are placed between two adjacent capacitor plates
Pole plate is connected with the anode electrode, and positive capacitor plate is connected with the cathode electrode；O is produced in the cathode chamber2,
CO is produced in anode chamber2, electronics and proton, the proton reaches the cathode chamber through the anode film, in catalyst
In the presence of, the O discharged with microalgae photosynthesis2Generation electrochemical action forms steady oxide；
Reactive chemistry formula includes：
Anode：C6H12O6+6H2O→6CO2+24H++24e- (1)
Negative electrode：O2+4H++4e-→2H2O (2)。
The anode electrode is made up of carbon fiber and titanium silk, and the conduction for smearing Carboplatin catalyst is covered on the cathode electrode
Carbon cloth.
Described capacitor plate is activated carbon measuring fiber capacitor plate.
The capacitance group surrounding of described desalting chamber leaves can be such that the proton produced in anode chamber is participated in flowing to cathode chamber
The space of redox reaction.
The proton is H+。
Described extracellular electricity production bacterium is desulfovibrio class, proteus vulgaris, pseudomonas, fusobacterium, native bar
One or more in Pseudomonas, mud vibrio, west watt, sulfate reducing bacteria, the photosensitive plaque of reduction and desulfurization etc..
The volume of described cathode chamber is 1.5~2 times of anode chamber.
Described cathode chamber, anode chamber, the volume ratio of desalting chamber are 1.55：1.0：0.9.
The anode film is overlapped using two cation-exchange membranes, and cation-exchange membrane is work of the transmitance not less than 90%
Industry electrodialysis cation-exchange membrane, thickness is 0.2~0.5mm, and burst strength is not less than 0.3Mpa, the insulating barrier
It is overlapping using two layers of plastic net.
A kind of method for realizing the multiple-effect photosynthesis microorganism fuel cell as described in claim 1-9, it includes following step
Suddenly：
1) rich foster waste water is passed through in cathode chamber, anode chamber, high-salt wastewater is passed through in desalting chamber；By capacitance group
Negative capacitance pole plate connects negative electrode by positive wire jointed anode electrode, the positive capacitor plate of capacitance group by cathode wire
Electrode；
2) microalgae algae kind is delivered in cathode chamber, extracellular electricity production bacterium is delivered in the anode compartment；
3) microalgae absorbs the small molecule carbon that most of N, P and fraction in rich foster waste water can be utilized in the cathodic compartment
The nutriments such as source, and carry out photosynthesis generation O2；
4) sewage takes continuous treatment in cathode chamber, by the control of residence time, it is ensured that most of N, P are able to
Removal, algae solution concentration is tended towards stability, and frustule collection and acquisition are carried out to discharge algae solution, and water outlet enters anode chamber；
5) in the anode compartment, organic pollution and remaining the microalgae oxidation Decomposition in the presence of extracellular electricity production bacterium are CO2、
Electronics and H+Proton, H+Proton and CO2Cathode chamber is entered by anode film and desalting chamber, electronics then passes through cathode wire
It is delivered to energy storage in capacitance group；
6) H in cathode chamber+Proton and O2Combined in the presence of catalyst, generate the oxidation product of stabilization；
7) negative ions of high-salt wastewater are enriched in the negative capacitance pole plate and positive capacitor plate of capacitance group respectively in desalting chamber
Surface；
8) when positive capacitor plate and the ion of negative capacitance pole plate absorption are close to saturation, negative capacitance pole plate is connected into negative electrode
Electrode, positive capacitor plate jointed anode electrode makes the ion desorption adsorbed on capacitor plate enter in solution and discharges.
The advantages of the present invention are：
1st, this multiple-effect photosynthesis microorganism fuel cell and implementation method, its high-salt wastewater enters desalting chamber, rich in nutrition
The waste water of material enters yin, yang pole room, in the anode compartment, extracellular electricity production bacterial oxidation organic pollution produce electronics and
Proton (H+)；Oxygen is discharged instead of traditional air cathode carrying out photosynthesis using microalgae in cathode chamber, is led to
The nutriment such as nitrogen phosphorus in absorption luminous energy and sewage is crossed to realize own growth and produce oxygen, and in the effect of catalyst
Under, receive proton (H+), be electronically generated stabilization oxidation product (H2O)；So as to the electricity connected between anodic-cathodic
Electric field is produced between the capacitor plate of appearance group, the removal of desalting chamber's intermediate ion is promoted.The present invention can be real without applied voltage
Existing electric energy is exported, goes heavy metal in water removal, the removing of nitrogen phosphorus, decomposition COD, high-salt sewage desalination, acquisition microalgae biological
The functions such as the high value added products such as matter.
2nd, this multiple-effect photosynthesis microorganism fuel cell and implementation method, when capacitance electrode is close to adsorption saturation, by the moon
Positive two bioelectrode reversal connections, by changing the polarity of capacitor plate, take off the ion adsorbed on electrode on capacitance electrode
Together discharged in attached entrance solution and with flushing liquor, both realized the removal in situ of salt ion on capacitor plate, and in electricity
Hold pole plate regenerate during, the reaction of the pole room of yin, yang two is also persistently carried out, sewage disposal can serialization carry out.
3rd, this multiple-effect photosynthesis microorganism fuel cell and implementation method, operating condition of the invention are gentle, generally normal
Worked in temperature, the environment of normal pressure weakly acidic pH, high safety, operating cost is low.
4th, this multiple-effect photosynthesis microorganism fuel cell and implementation method, due to H+Can by anode film, three Room it
Between shuttle, reached balance three Room pH value effect, so as to avoid cathode chamber, the sun because ion-transfer is caused
Salt solution degree and the unbalanced problems of pH in pole room, for system longtime running provides guarantee.
5th, this multiple-effect photosynthesis microorganism fuel cell and implementation method, because the volume of desalting chamber is not by capacitor plate
Distance limitation, compares compared with photosynthetic microorganism desalination fuel cell, improves the removal efficiency of soluble solids.
6th, this multiple-effect photosynthesis microorganism fuel cell and implementation method, add capacitance group, cathode-anode plate in desalting chamber
Intersect placement straggly, the spatial volume of desalting chamber is matched by the increase and decrease of capacitor plate quantity and apart from upper adjustment, carry
High desalination speed；Negative electrode is coupled into microalgae photobiological reactor, oxygen generation is discharged carrying out photosynthesis using microalgae
For traditional air cathode, there is good effect simultaneously for the removal of nitrogen phosphorus.
Brief description of the drawings
Fig. 1 is photosynthesis microorganism fuel cell structural representation of the invention；
Fig. 2 is part A reaction schematic diagram in Tu1Zhong desalting chamber.
Description of reference numerals
1- cathode chambers, 2- anode chambers, 3- desalting chamber, 4- cell bodies, 5- anode films, 6- anode electrodes, 7- cathode electrodes,
8- capacitance groups, 9- insulating barriers, 10- positive wires, 11- cathode wires.
Specific embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not limit
Qualitatively, it is impossible to which protection scope of the present invention is limited with this.
As shown in figure 1, multiple-effect photosynthesis microorganism fuel cell of the invention includes cathode chamber 1, anode chamber 2, desalination
Room 3 and cell body 4, within cathode chamber 1, anode chamber 2, the setting of desalting chamber 3 and cell body 4, each other by sun
Pole film 5 is spaced, and desalting chamber 3 is located between cathode chamber 1 and anode chamber 2.Wherein, anode chamber 2 is electricity production bacterium training
Room, the extracellular electricity production bacterium of inside addition are supported, and inserts the anode electrode 6 being made up of carbon fiber and titanium silk wherein.It is cloudy
Pole room 1 is microalgae light reaction room, inside addition microalgae, and insertion cathode electrode 7, the overlying of cathode electrode 7 wherein
Lid smears the conductive carbon cloth of Carboplatin catalyst.Extracellular electricity production bacterium includes desulfovibrio class, proteus vulgaris, vacation
Zygosaccharomyces, fusobacterium, native Bacillus, mud vibrio, west watt, sulfate reducing bacteria, the photosensitive plaque of reduction and desulfurization
One or more.
Capacitance group 8, insulating barrier 9 are set in desalting chamber 3, and capacitance group 8 is placed in the middle part of desalting chamber 3, and surrounding leaves energy
Make the proton (H produced in anode chamber 2+) flow to the space that redox reaction is participated in cathode chamber 1.Capacitance group
8 are made up of multipair capacitor plate, and the capacitor plate of capacitance group 8 is activated carbon measuring fiber capacitor plate, is divided into positive electric capacity
Pole plate and negative capacitance pole plate, positive capacitor plate is interspersed with negative capacitance pole plate to be placed, and is placed between two adjacent capacitor plates exhausted
Edge layer 9, plays a part of insulation.Negative capacitance pole plate is connected with one end of positive wire 10, positive capacitor plate with it is cloudy
Polar conductor 11 one end connection, the other end jointed anode electrode 6 of positive wire 10, cathode wire 11 it is another
End connection cathode electrode 7, anode electrode 6, cathode electrode 7, capacitance group 8 constitute battery circuit, wherein capacitance group 8
As energy-storage travelling wave tube.
In the present embodiment, because photosynthetic rate is slow compared to bacterial metabolism speed in anode chamber 2 in cathode chamber 1, because
The volume of this cathode chamber 1 is about 1.5~2 times of anode chamber 2, preferably cathode chamber 1, anode chamber 2, desalting chamber 3
Volume ratio is 1.55：1.0：0.9.Anode film 5 is preferably overlapped using two cation-exchange membranes, cation exchange
Film is nontoxic commercial power dialysis cation-exchange membrane of the transmitance not less than 90%, and thickness is 0.2~0.5mm, quick-fried
Broken intensity is not less than 0.3Mpa.The preferred two layers of plastic net of insulating barrier 9 is overlapped.
The course of reaction of fuel battery inside is：
High-COD waste water (such as sanitary sewage, by pretreated breeding wastewater) is passed through cathode chamber 1, anode
Room 2, desalting chamber 3 is passed through by high-salt wastewater.In cathode chamber 1, microalgae absorbs COD high in the case of illumination and gives up
The nutriments such as the small molecule carbon source that most of N, P and fraction in water can be utilized, and absorb CO2Carry out light
Cooperation is used, and produces O2Can be as electron acceptor, while realizing the accumulation of own biological matter；After after system stabilization, connect
Continuous water inlet, the algae solution interior COD for retaining of cathode chamber 1 higher is drawn with pump, after carrying out microalgae collection, water outlet is direct
Supplemented as the water that enters of anode chamber 2, by the control of hydraulic detention time, it is ensured that most of nitrogen phosphorus in cathode chamber
Removed, microalgae density is held essentially constant.
In anode chamber 2, extracellular electricity production bacterium is using remaining nitrogen phosphorus in sewage by organic pollution and remaining frond oxygen
Change is decomposed into CO2, electronics and proton (H+), realize the purification of sewage.Wherein, CO2Can be by connection enrichment to negative electrode
Room 1, promotes the photosynthesis of microalgae, electronics to be delivered in capacitance group 8 by positive wire 10 and stored, and proton is then
Cathode chamber 1 is reached through anode film 5 and desalting chamber 3.On the surface of cathode electrode 7, in the presence of catalyst, matter
Son, electronics and the electron acceptor (O that microalgae is produced2) react, ultimately generate the oxidation product (H of stabilization2O)。
Reactive chemistry formula includes：
Anode：C6H12O6+6H2O→6CO2+24H++24e- (1)
Negative electrode：O2+4H++4e-→2H2O (2)
As shown in Fig. 2 because the positive capacitor plate of the capacitance group 8 in desalting chamber 3 has identical with negative capacitance pole plate
Potential, and then electric double layer is formed between capacitor plate surface and solution, the ion in desalting chamber 3 is enriched in tool respectively
There is the capacitor plate surface of opposite polarity, so as to realize removing the purpose of most of ion.Meanwhile, H+Can be by sun
Pole film 5, shuttles between three Room, the effect of three Room pH value of balance has been reached, so as to avoid due to ion-transfer
Salt solution degree and the unbalanced problems of pH in the cathode chamber 1 that causes, anode chamber 2.
Capacitance group 8 the absorption of positive capacitor plate and negative capacitance pole plate ion close to saturation when, by negative capacitance pole plate with
Cathode wire 11 is connected, and positive capacitor plate is connected with positive wire 10, will anode electrode 6, cathode electrode 7 it is anti-
It is connected on positive capacitor plate and negative capacitance pole plate, is so formed and desalination stage between the capacitor plate of capacitance group 8
Opposite potential, the ion being adsorbed on capacitor plate the same sex mutually repel and the driving of opposite potential under desorb, formed
Concentrate, can recycle in subsequent technique.
In sum, the method for realizing above-mentioned multiple-effect photosynthesis microorganism fuel cell, comprises the following steps：
1) nitrogen phosphorus high is passed through in cathode chamber 1, anode chamber 2, the richness of COD high supports waste water, is led in desalting chamber 3
Enter high-salt wastewater；The negative capacitance pole plate jointed anode electrode 6 of capacitance group 8, positive capacitor plate are connected into cathode electrode 7；
2) microalgae algae kind is delivered in cathode chamber 1, extracellular electricity production bacterium is delivered in anode chamber 2；
3) can be utilized small point of most of N, P and fraction that microalgae is absorbed in the cathode chamber 1 in high-COD waste water
The nutriments such as sub- carbon source, and carry out photosynthesis generation O2；
4) sewage takes continuous treatment in cathode chamber 1, by the control of residence time, it is ensured that most of N, P
Removed, algae solution concentration does not have significant change, frustule collection and acquisition are carried out to discharge algae solution, water outlet is entered sun
Pole room 2；
5) in anode chamber 2, organic pollution and remaining the microalgae oxidation Decomposition in the presence of extracellular electricity production bacterium are
CO2, electronics and H+Proton, proton and CO2Cathode chamber 1 is entered by anode film 5 and desalting chamber 3, electronics is by the moon
Polar conductor 11 is delivered to energy storage in capacitance group 8；
6) proton and O in cathode chamber 12Combined in the presence of catalyst, generate the oxidation product of stabilization；
7) negative ions of high-salt wastewater are enriched in the negative capacitance pole plate and positive electric capacity of capacitance group 8 respectively in desalting chamber 3
Polar board surface；
8) when positive capacitor plate and the ion of negative capacitance pole plate absorption are close to saturation, negative capacitance pole plate is connected into negative electrode
Electrode 7, positive capacitor plate jointed anode electrode 6 is desorbed the ion adsorbed on capacitor plate, is discharged with eluent.
Although disclosing embodiments of the invention and accompanying drawing for the purpose of illustration, those skilled in the art can manage
Solution：Do not depart from the present invention and spirit and scope of the appended claims in, various replacements, change and modifications all be can
Can, therefore, the scope of the present invention is not limited to embodiment and accompanying drawing disclosure of that.
Claims (10)
1. a kind of multiple-effect photosynthesis microorganism fuel cell, it is characterised in that：Including cathode chamber, anode chamber, desalting chamber
And cell body, the cathode chamber, anode chamber and desalting chamber may be contained within cell body, entered in the ranks by anode film each other
Every the desalting chamber is located between cathode chamber and anode chamber；The extracellular electricity production bacterium of the anode compartment addition, and
Wherein insert anode electrode；Cathode chamber inside addition microalgae simultaneously inserts the cathode electrode for scribbling catalyst coat；Institute
State and set in desalting chamber one group of capacitance group being made up of capacitor plate, the capacitor plate is divided into positive capacitor plate and negative appearance
Capacitor plate, positive capacitor plate is interspersed with negative capacitance pole plate to be placed, and insulating barrier is placed between two adjacent capacitor plates, is born
Capacitor plate is connected with the anode electrode, and positive capacitor plate is connected with the cathode electrode；Produced in the cathode chamber
O2, CO is produced in anode chamber2, electronics and proton, the proton reaches the cathode chamber, urging through the anode film
In the presence of agent, the O discharged with microalgae photosynthesis2Generation electrochemical action forms steady oxide；
Reactive chemistry formula includes：
Anode：C6H12O6+6H2O→6CO2+24H++24e- (1)
Negative electrode：O2+4H++4e-→2H2O (2)。
2. a kind of multiple-effect photosynthesis microorganism fuel cell according to claim 1, it is characterised in that：The sun
Pole electrode is made up of carbon fiber and titanium silk, and the conductive carbon cloth for smearing Carboplatin catalyst is covered on the cathode electrode.
3. a kind of multiple-effect photosynthesis microorganism fuel cell according to claim 1, it is characterised in that：Described
Capacitor plate is activated carbon measuring fiber capacitor plate.
4. a kind of multiple-effect photosynthesis microorganism fuel cell according to claim 1 or 2 or 3, it is characterised in that：
The capacitance group surrounding of described desalting chamber leaves can make the proton produced in anode chamber participate in oxidation in flowing to cathode chamber
The space of reduction reaction.
5. a kind of multiple-effect photosynthesis microorganism fuel cell according to claim 1 or 2 or 3 or 4, its feature
It is：The proton is H+。
6. a kind of multiple-effect photosynthesis microorganism fuel cell according to claim 1 or 2 or 3 or 4, its feature
It is：Described extracellular electricity production bacterium is desulfovibrio class, proteus vulgaris, pseudomonas, fusobacterium, soil
One or more in Bacillus, mud vibrio, west watt, sulfate reducing bacteria, the photosensitive plaque of reduction and desulfurization etc..
7. a kind of multiple-effect photosynthesis microorganism fuel cell according to claim 1, it is characterised in that：Described
The volume of cathode chamber is 1.5~2 times of anode chamber.
8. a kind of multiple-effect photosynthesis microorganism fuel cell according to claim 1 or 7, it is characterised in that：Institute
The cathode chamber stated, anode chamber, the volume ratio of desalting chamber are 1.55：1.0：0.9.
9. a kind of multiple-effect photosynthesis microorganism fuel cell according to claim 1 or 2 or 3 or 4 or 7, its
It is characterised by：The anode film is overlapped using two cation-exchange membranes, and cation-exchange membrane is not less than for transmitance
90% commercial power dialysis cation-exchange membrane, thickness is 0.2~0.5mm, and burst strength is not less than 0.3Mpa, institute
State insulating barrier overlapping using two layers of plastic net.
10. a kind of method for realizing the multiple-effect photosynthesis microorganism fuel cell as described in claim 1-9, its feature exists
In：Comprise the following steps：
1) rich foster waste water is passed through in cathode chamber, anode chamber, high-salt wastewater is passed through in desalting chamber；By capacitance group
Negative capacitance pole plate connects negative electrode by positive wire jointed anode electrode, the positive capacitor plate of capacitance group by cathode wire
Electrode；
2) microalgae algae kind is delivered in cathode chamber, extracellular electricity production bacterium is delivered in the anode compartment；
3) microalgae absorbs the small molecule carbon that most of N, P and fraction in rich foster waste water can be utilized in the cathodic compartment
The nutriments such as source, and carry out photosynthesis generation O2；
4) sewage takes continuous treatment in cathode chamber, by the control of residence time, it is ensured that most of N, P are able to
Removal, algae solution concentration is tended towards stability, and frustule collection and acquisition are carried out to discharge algae solution, and water outlet enters anode chamber；
5) in the anode compartment, organic pollution and remaining the microalgae oxidation Decomposition in the presence of extracellular electricity production bacterium are CO2、
Electronics and H+Proton, H+Proton and CO2Cathode chamber is entered by anode film and desalting chamber, electronics then passes through cathode wire
It is delivered to energy storage in capacitance group；
6) H in cathode chamber+Proton and O2Combined in the presence of catalyst, generate the oxidation product of stabilization；
7) negative ions of high-salt wastewater are enriched in the negative capacitance pole plate and positive capacitor plate of capacitance group respectively in desalting chamber
Surface；
8) when positive capacitor plate and the ion of negative capacitance pole plate absorption are close to saturation, negative capacitance pole plate is connected into negative electrode
Electrode, positive capacitor plate jointed anode electrode makes the ion desorption adsorbed on capacitor plate enter in solution and discharges.
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| PCT/CN2016/107184 WO2017101655A1 (en) | 2015-12-18 | 2016-11-25 | Multiple-effect photosynthetic microorganism fuel cell and implementation method |
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