CN108767302A - The method for discarding rice husk is handled using MFC - Google Patents
The method for discarding rice husk is handled using MFC Download PDFInfo
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- CN108767302A CN108767302A CN201810630180.XA CN201810630180A CN108767302A CN 108767302 A CN108767302 A CN 108767302A CN 201810630180 A CN201810630180 A CN 201810630180A CN 108767302 A CN108767302 A CN 108767302A
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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
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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
The invention belongs to technical field of microbial fuel battery more particularly to a kind of methods handling discarded rice husk using MFC.It solves the problems such as prior art design is unreasonable.This method includes the following steps：S1,50g rice husks are mixed with 5g cellulases in fermentation tank, is hydrolyzed after adding water to 1L；S2, freezed after hydrolyzate that step S1 is obtained is diluted 3 times it is spare；S3, the hydrolyzate for obtaining step S2 take out and anaerobic activated sludge is mixed and is added in the anode chamber of MFC, and the volume ratio of rice hull hydrolysate and activated sludge is 2:1；S4, silver sulfate solution is added in cathode chamber；S5, resistance is accessed between cathode chamber and anode chamber, resistance value is adjusted to 1000 Ω；S6, when voltage drops to 0.05mV or less, replace cathode chamber and the indoor bottom liquid of anode；S7, after electricity generation performance stabilization, change the value of resistance, make the image of polarization curve and power density curve, observation MFC electricity generation performances.The advantage of the invention is that：It is environmentally friendly and energy saving.
Description
Technical field
The invention belongs to technical field of microbial fuel battery more particularly to a kind of sides handling discarded rice husk using MFC
Method.
Background technology
China is the big country of Rice Cropping, and the main food of most area is rice, and the yield of paddy is in total grain output
Prodigious ratio is alsied occupy in amount.According to the data that The Ministry of Agriculture of the People's Republic of China, MOA issues, in 2016, China's rice produced
Amount is at 200,000,000 tons or more.In rice process, rice husk is will produce, rice husk accounts for about the 20% of paddy quality, according to the method
It calculates, the whole nation will produce about 40,000,000 tons of rice husk every year.Rice husk bulk density is small, poor fluidity.Big, room is taken up an area in indoor stacking
Outer stacking is easily drifted with the wind again, pollutes environment.When rice husk accumulation water content is excessive, inside will produce a large amount of heat, even
Spontaneous combustion can occur.Rice husk can also be fermented by rainwater long soaking time.Rice husk has become the mankind and has been badly in need of one solved pollution
Problem.But rice husk is the resource for having misplaced place in fact.In rice husk containing cellulose, lignin, hemicellulose, silica and
A small amount of crude protein, crude fat etc., need people and are used.
Microbiological fuel cell (Microbial Fuel Cell, MFC) is a kind of emerging energy technology, utilizes bacterium
It is produced electricl energy by biomass, the organic matter stored in microbiota metabolic activity can be converted to the biological respinse dress of electric energy
It sets.Its basic functional principle is：Under anode chamber's anaerobic environment, organic matter decomposed under microbial action and release electronics and
Proton, electronics is effectively transmitted by suitable electron transfer mediator between biological components and anode, and passes through external circuit
It is transmitted to cathode and forms electric current, and proton is transmitted to cathode by proton exchange membrane, has generating efficiency high, low in the pollution of the environment
Feature.
MFC in practical applications, can handle sanitary sewage, coking wastewater, beer waste water, paper waste, dyeing waste water,
Pyrolysis of coal waste water and landfill leachate etc..
But nobody considers rice hull hydrolysate anode electricity production is added, in recent years, how by agriculture wastes such as useless rice husks
Object, being allowed to turn waste into wealth has become a hot spot, causes the close attention of various countries.How the rice husk waste is handled,
How to accomplish cleaning and environmental protection, is urgent problem.
Invention content
Regarding the issue above, the present invention provides one kind can turn waste into wealth rice husk, not only cleans but also ring is precious
The method for discarding rice husk is handled using MFC.
In order to achieve the above objectives, present invention employs following technical proposals：
This is handled the method for discarding rice husk using MFC and is handled using experimental system, which includes anode chamber
And cathode chamber, it is equipped with electrode one in anode chamber, electrode two is equipped in cathode chamber, passes through resistance between electrode one and electrode two
Connection is equipped with channel between anode chamber and cathode chamber, be equipped with the proton exchange membrane of the passageway break in channel.
This method includes the following steps：
S1,50g rice husks are mixed with 5g cellulases in fermentation tank, is hydrolyzed after adding water to 1L；
S2, freezed after hydrolyzate that step S1 is obtained is diluted 3 times it is spare；
S3, the hydrolyzate for obtaining step S2 take out and anaerobic activated sludge is mixed and is added in the anode chamber of MFC, rice husk water
The volume ratio for solving liquid and activated sludge is 2:1；
Rice hull hydrolysate is added anode chamber and then adds suitable trace element, micro- mass concentration and
Component is respectively 3.13g/L NaHCO3, 0.13g/L KCl, 6.338g/L Na2HPO4, 0.015g/L CaCl2, 0.200g/L
MgSO4·7H2O, 6.8556g/L Na2PO4, 0.020g/L MnSO4·7H2O and 0.31g/L NH4Cl, pH is 6 at this time；
S4, silver sulfate solution is added in cathode chamber；
S5, resistance is accessed between cathode chamber and anode chamber, resistance value is adjusted to 1000 Ω；
S6, when voltage drops to 0.05mV or less, replace cathode chamber and the indoor bottom liquid of anode；
S7, electricity generation performance stabilization after, change the value of resistance, make the image of polarization curve and power density curve, sight
Examine MFC electricity generation performances；
There is electrode one in anode chamber, there is electrode two, electrode one and electrode two to be made respectively of following technique in cathode chamber：
A1, cutting：Cut two blocks of square carbon cloths；
A2, it cleans：Carbon cloth is washed totally using deionized water；
A3, drying：Carbon cloth of the washing after clean is put into baking oven, the temperature of baking oven is maintained at 120 DEG C, when drying continues
Between 2h, dry postcooling；
A4, immersion：Carbon cloth after cooling is impregnated using methanol；
A5, cleaning：The carbon cloth after immersion is cleaned several times using deionized water；
A6, calcination：Carbon cloth after cleaning is put into 450 DEG C of Muffle furnace calcinations, calcination time 30min takes out postcooling；
A7, bonding：By A types epoxide-resin glue and Type B epoxide-resin glue according to 1：1 amount is uniformly mixed, and is mixed to prepare
Then epoxide-resin glue uses epoxide-resin glue to bond conducting wire and carbon cloth, finally by conducting wire and the carbon cloth after bonding into sector-style
It is solid fixed, that is, electrode one or electrode two as above is made.
The method as above used, can not only re-use rice husk, meanwhile, its clean manufacturing of whole system adds
Work, not only environmental protection and energy saving, but also meet the development trend of current social technology.
The electrode process of design can not only improve the performance of electrode, but also can improve conventional efficient.
It is discarded in the method for rice husk in above-mentioned handled using MFC, the electrode one is located at the center of anode chamber；It is described
Electrode two be located at the center of cathode chamber.
The structure its be easily installed and fix.
The trace element of addition further can fully react the glucose in rice husk.
It is discarded in the method for rice husk in above-mentioned handled using MFC, the silver sulfate solution formulation process is as follows：
It takes 0.657g silver sulfates to be dissolved in 900mL water, silver sulfate solution is added to cathode chamber, wherein silver sulfate slightly soluble, when dissolving
It is put into supersonic wave cleaning machine 30 minutes, is used in combination glass bar to be stirred, until silver sulfate is completely dissolved.
The design of the technique can ensure the performance of silver sulfate to the full extent.
It is equipped with channel between anode chamber and cathode chamber, is equipped in channel by the proton exchange membrane of the passageway break, it should
Proton exchange membrane is made of following technique：
B1, one is impregnated：PEM basement membranes are impregnated to 80 DEG C of 3% hydrogen peroxide, soaking time 1h；
B2, one is rinsed：PEM basement membranes after immersion are put into 80 DEG C of deionized water and are rinsed, washing time 1h；
B3, two are impregnated：PEM basement membranes after flushing are put into 80 DEG C of sulfuric acid solution and are impregnated, soaking time 1h；
B4, two are rinsed：PEM basement membranes 1h is rinsed with 80 DEG C of deionized waters, that is, proton exchange membrane is made；
B5, it seals up for safekeeping：Proton exchange membrane is put and is sealed in deionized water, it, will when needing using proton exchange membrane
The proton exchange membrane sealed up for safekeeping takes out and natural air drying in air.
It is discarded in the method for rice husk in above-mentioned handled using MFC, the pretreating process of activated sludge is as follows：Anode region
Activated sludge is derived from Bean Products Factory, preserves it standby successively after filtering, precipitation and elutriation under anaerobic after fetching
With then again by sludge acclimatization, aerobic sludge is converted to anaerobic sludge.
The design of the technique can further increase conventional efficient.
It discards in the method for rice husk, is also associated between electrode one and electrode two and resistance in above-mentioned handled using MFC
Recording instrument without paper in parallel.
It is discarded in the method for rice husk in above-mentioned handled using MFC, being connected with one end in anode chamber stretches to anode chamber
Interior inlet tube is also associated with one end in anode chamber and stretches to the indoor liquid flowing tube of anode, and the inlet tube is vertically arranged,
Liquid flowing tube is vertically arranged and bottom of the tube is located on sludge face, and the lower end of inlet tube is located at below the lower end side of liquid flowing tube.
It can be interfered with each other the structure to avoid into what is taken, and sludge is got when preventing from taking liquid.
It is discarded in the method for rice husk in above-mentioned handled using MFC, the channel is glazing channel.
It is discarded in the method for rice husk in above-mentioned handled using MFC, the inner wall on the proton exchange membrane periphery and channel
It contacts and fixes.
It is discarded in the method for rice husk in above-mentioned handled using MFC, in above-mentioned 1 steps of S, before cellulase is added
Sampling takes a sample per half an hour later, measures concentration of glucose in hydrolyzate, and waiting for curve, steadily i.e. hydrolysis is complete, determines water
Solve the complete time, hydrolyzate diluted 3 times of bottlings after hydrolysis completely, and to be put into refrigerator spare.
It is discarded in the method for rice husk in above-mentioned handled using MFC, between above-mentioned S2 and S3, the rice husk filter after hydrolysis
Slag enters burning power plant, and the rice husk after hydrolysis is carried out combustion power generation by burning power plant.
It is discarded in the method for rice husk in above-mentioned handled using MFC, in above-mentioned 1 steps of S, in hydrolysis, temperature is
220min is hydrolyzed under the conditions of 30 DEG C until concentration no longer changes.
Compared with prior art, the advantage of the invention is that：
1, the characteristics of combining organic biomass processing and electro-chemical systems, has not only handled waste, but also produce electric energy,
After rice husk hydrolysis, remaining residue still can be sent into power plant burning power generation, and calorific value variation is smaller, to improve
The utilization rate of energy.Cost-effective, environmental protection has good economy and environmental benefit.It specifically includes：
2, easy to operate, abandoned biomass steady sources of the invention avoid directly energy dissipation caused by burning, realize
The high efficiency of energy utilizes.
3, MFC is made as raw material using discarded rice husk, the organic matter in waste can be efficiently used, in treated hydrolyzate
The content of glucose significantly declines, and realizes recycling for waste, clean environment firendly is cost-effective, high-efficiency and economic.
4, method is simple.
Description of the drawings
Fig. 1 is experiment flow block diagram provided by the invention.
Fig. 2 is experimental system block diagram provided by the invention.
Fig. 3 is the image of voltage and glucose variation in electricity generation process.
Fig. 4 is the image that power density changes over time as 1000 Ω of external resistance.
Fig. 5 is that the polarization curve and power density that the resistance value by changing external resistance is drawn are bent when electricity generation performance is stablized
Line.
In figure, anode chamber 1, inlet tube 11, liquid flowing tube 12, cathode chamber 2, electrode 1, electrode 24, resistance 5, channel 6, matter
Proton exchange 7, recording instrument without paper 8.
Specific implementation mode
Below be invention specific embodiment and in conjunction with attached drawing, technical scheme of the present invention will be further described, but
Invention is not limited to these embodiments.
If Fig. 1-2 shows,
This is handled the method for discarding rice husk using MFC and is handled using experimental system, which includes anode chamber 1
With cathode chamber 2, it is equipped with electrode 1 in anode chamber 1, electrode 24 is equipped in cathode chamber 2, the electrode 1 is located at anode
The center of room 1；The electrode 24 is located at the center of cathode chamber 2.
This method includes the following steps：
S1,50g rice husks are mixed with 5g cellulases in fermentation tank, is hydrolyzed after adding water to 1L；
S2, freezed after hydrolyzate that step S1 is obtained is diluted 3 times it is spare；
S3, the hydrolyzate for obtaining step S2 take out and anaerobic activated sludge is mixed and is added in the anode chamber of MFC, rice husk water
The volume ratio for solving liquid and activated sludge is 2:1；
S4, silver sulfate solution is added in cathode chamber；
S5, resistance is accessed between cathode chamber and anode chamber, resistance value is adjusted to 1000 Ω；
S6, when voltage drops to 0.05mV or less, replace cathode chamber and the indoor bottom liquid of anode；
S7, electricity generation performance stabilization after, change the value of resistance, make the image of polarization curve and power density curve, sight
Examine MFC electricity generation performances.
In above-mentioned S1 steps, hydrolysis 220min no longer changes to concentration in hydrolysis, under the conditions of temperature is 30 DEG C is
Only.
The electrode 1 and electrode 24 is made of following technique respectively：
A1, cutting：Cut two blocks of square carbon cloths；
A2, it cleans：Carbon cloth is washed totally using deionized water；
A3, drying：Carbon cloth of the washing after clean is put into baking oven, the temperature of baking oven is maintained at 120 DEG C, when drying continues
Between 2h, dry postcooling；
A4, immersion：Carbon cloth after cooling is impregnated using methanol；
A5, cleaning：The carbon cloth after immersion is cleaned several times using deionized water；
A6, calcination：Carbon cloth after cleaning is put into 450 DEG C of Muffle furnace calcinations, calcination time 30min takes out postcooling
A7, bonding：By A types epoxide-resin glue and Type B epoxide-resin glue according to 1：1 amount is uniformly mixed, and is mixed to prepare
Then epoxide-resin glue uses epoxide-resin glue to bond conducting wire and carbon cloth, finally by conducting wire and the carbon cloth after bonding into sector-style
It is solid fixed, that is, electrode 1 and electrode 24 as above is made；
It is connected by resistance 5 between electrode 1 and electrode 24, it is 2 that volume ratio is added in anode chamber 1:1 rice husk water
Liquid and activated sludge are solved, silver sulfate solution is added in cathode chamber 2；
It in above-mentioned S1 steps, is sampled before cellulase is added, takes a sample per half an hour later, measured in hydrolyzate
Concentration of glucose, waiting for curve, steadily i.e. hydrolysis is complete, determines and hydrolyzes the complete time, hydrolyzate is diluted 3 times after hydrolysis completely
It is spare that bottling is put into refrigerator.
Concentration of glucose changes over time value and is shown in Table 1 when rice husk hydrolyzes.
It is equipped with channel 6 between anode chamber 1 and cathode chamber 2, is equipped with the proton exchange membrane of the passageway break in channel 6
7, which is made of following technique：
B1, one is impregnated：PEM basement membranes are impregnated to 80 DEG C of 3% hydrogen peroxide, soaking time 1h；
B2, one is rinsed：PEM basement membranes after immersion are put into 80 DEG C of deionized water and are rinsed, washing time 1h；
B3, two are impregnated：PEM basement membranes after flushing are put into 80 DEG C of sulfuric acid solution and are impregnated, soaking time 1h；
B4, two are rinsed：PEM basement membranes 1h is rinsed with 80 DEG C of deionized waters, that is, proton exchange membrane is made；
B5, it seals up for safekeeping：Proton exchange membrane is put and is sealed in deionized water, it, will when needing using proton exchange membrane
The proton exchange membrane sealed up for safekeeping takes out and natural air drying in air.；
That is, channel 6 and proton exchange membrane 7 form reactor, the assembling process of the reactor is as follows：By pretreated matter
Proton exchange is placed on the intermediate connections in channel, and anode chamber is connected with cathode chamber.
Then, it taking 300mL activated sludge to be put into anode chamber, waste water 600mL is added, rice husk hydrolysis is added after anode chamber,
Suitable trace element is added simultaneously, mass concentration and component are respectively 3.13g/L NaHCO3, 0.13g/L KCl, 6.338g/
L Na2HPO4, 0.015g/L CaCl2, 0.200g/L MgSO4·7H2O, 6.8556g/L Na2PO4, 0.020g/L MnSO4·
7H2O, 0.31g/L NH4Cl, pH is 6 at this time.
Silver sulfate solution formulation process is as follows：0.657g silver sulfates are taken to be dissolved in 900mL water, by silver sulfate solution
It is added to cathode chamber, wherein silver sulfate slightly soluble, when dissolving is put into supersonic wave cleaning machine 30 minutes, and glass bar is used in combination to be stirred
It mixes, until silver sulfate is completely dissolved.
The pretreating process of activated sludge is as follows：The activated sludge of anode region is derived from Bean Products Factory, after fetching successively by it
It after filtering, precipitation and elutriation, saves backup, aerobic sludge is converted to sludge acclimatization again under anaerobic then
Anaerobic sludge.
The recording instrument without paper 8 in parallel with resistance 5 is also associated between electrode 1 and electrode 24.
It is connected with the inlet tube 11 that one end stretches in anode chamber 1 in anode chamber 1, one is also associated in anode chamber 1
End stretches to the liquid flowing tube 12 in anode chamber 1, and the inlet tube 11 is vertically arranged, and liquid flowing tube 12 is vertically arranged, inlet tube 11
Lower end be located at below the lower end side of liquid flowing tube 12.
The channel is glazing channel.
7 periphery of proton exchange membrane contacts and fixes with the inner wall in channel.
Between above-mentioned S2 and S3, the rice husk filter residue after hydrolysis enters burning power plant, after burning power plant will hydrolyze
Rice husk carry out combustion power generation.
In the present embodiment, reaction carries out at room temperature always.
Secondly, the hydrolyzate for discarding rice husk is added in the anode of MFC, the external resistance of 1000 Ω is added in two interpolars, by leading
Line connects, and at resistance both ends, access recording instrument without paper observes the variation of voltage, and glucose is generated after rice husk hydrolysis, and having can profit
With property, realizes and produced electricl energy using discarded rice husk as energy substance.
The present invention when external resistance accesses 1000 Ω, the voltage that can obtain and power density be respectively 0.369mV with
27.788mV/m-2.After electricity generation performance stabilization, changes the value of external resistance, draw polarization curve with power density curve to observe
MFC performances, power density reach maximum 250.8mV/m2, outer connecting resistance is 2500 Ω at this time.
For concentration of glucose after 80 hours, 0.05mg/mL drops in concentration of glucose in anolyte of the present invention.
Present invention voltage after 80h does not decline, and has reached higher value in the period instead.Illustrate that MFC is used for handling
Rice hull hydrolysate is sustainable, and voltage is stable, can't be brought because of being supplied not in time in the anode liquid short time
The problem that electric current does not supply.
Table 1
Embodiment 1
Its voltage change is recorded in outer 1000 Ω of connecting resistance and measures its concentration of glucose, and Fig. 3 is electricity in experimentation
The variation of pressure and concentration of glucose variation.The power density curve that Fig. 4 is.
After 80 hours, concentration of glucose has reached 0.05mg/mL, but voltage does not decline, has reached the period instead
Interior higher value, in 80h, voltage reaches 0.369mV.Glucose in hydrolyzate is consumed by electricity-producing microorganism, starts to generate electricity
Son.When microorganism is complete glucose consumption, the energy of storage can still discharge electronics.It is added second again after 300 hours
Secondary hydrolyzate continues observation electricity production situation.
Embodiment 2
MFC electricity generation performances when the present invention is to using rice hull hydrolysate as anode chamber's liquid, which are made, to be probed into
The relationship of table 2 voltage and current density and resistance
The polarization curve that Fig. 5 is drawn by calculated result and power density curve.
Current density is that voltage divided by anode carbon cloth area obtain, and voltage versus current density is mapped to obtain polarization curve.
Linear relationship is presented with electric current in voltage.The peak of power curve indicates the maximum power that system obtains.When electric with unit area
When stream calculation power, what is obtained is power density.Voltage constantly declines in polarization curve, the battery under a certain fixed current
The loss of voltage is considered as caused by electrode overpotential and ohmic loss jointly.When current density is 0.32mA/m-2When, at this time
Power density reach maximum value 250.8mV/m2, outer connecting resistance is 2500 Ω, and recording instrument without paper reads 0.388mV.Work(later
Rate density rapid decrease.
Voltage does not decline after 80h, has reached higher value in the period instead.Illustrate that MFC is used for handling rice husk water
Solution liquid is sustainable, and voltage is stable, can't be supplied with incoming current because of being supplied in the anode liquid short time not in time
To the problem on not.
Experiment is highly desirable for the result obtained, directly burns compared with previous discarded rice husk, can using electricity generation by microorganism
To handle rice husk problem in heaps well, both having avoided the environment for directly burning and generating influences, and can also produce electricl energy.
By embodiment 1,2 as it can be seen that the present invention solves the process problem of discarded rice husk, the utilization ratio of energy is improved.
And generate electric energy and keep up with and other MFC, have extraordinary feasibility.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (9)
1. handling the method for discarding rice husk using MFC, which is characterized in that this method includes the following steps：
S1,50g rice husks are mixed with 5g cellulases in fermentation tank, is hydrolyzed after adding water to 1L；
S2, freezed after hydrolyzate that step S1 is obtained is diluted 3 times it is spare；
S3, the hydrolyzate for obtaining step S2 take out and anaerobic activated sludge is mixed and is added in the anode chamber of MFC, rice hull hydrolysate
Volume ratio with activated sludge is 2:1；
Rice hull hydrolysate is added anode chamber and then adds suitable trace element, micro- mass concentration and component
The respectively NaHCO of 3.13g/L3, the Na of the KCl of 0.13g/L, 6.338g/L2HPO4, the CaCl of 0.015g/L2, 0.200g/L
MgSO4·7H2The Na of O, 6.8556g/L2PO4, the MnSO of 0.020g/L4·7H2The NH of O and 0.31g/L4Cl；
S4, silver sulfate solution is added in cathode chamber；
S5, resistance is accessed between cathode chamber and anode chamber, resistance value is adjusted to 1000 Ω；
S6, when voltage drops to 0.05mV or less, replace cathode chamber and the indoor bottom liquid of anode；
S7, after electricity generation performance stabilization, change the value of resistance, make the image of polarization curve and power density curve, observation MFC
Electricity generation performance；
There is electrode one in anode chamber, there is electrode two, electrode one and electrode two to be made respectively of following technique in cathode chamber：
A1, cutting：Cut two blocks of square carbon cloths；
A2, it cleans：Carbon cloth is washed totally using deionized water；
A3, drying：Carbon cloth of the washing after clean is put into baking oven, the temperature of baking oven is maintained at 120 DEG C, baking duration
2h dries postcooling；
A4, immersion：Carbon cloth after cooling is impregnated using methanol；
A5, cleaning：The carbon cloth after immersion is cleaned several times using deionized water；
A6, calcination：Carbon cloth after cleaning is put into 450 DEG C of Muffle furnace calcinations, calcination time 30min takes out postcooling；
A7, bonding：By A types epoxide-resin glue and Type B epoxide-resin glue according to 1：1 amount is uniformly mixed, the epoxy being mixed to prepare
Then resin glue uses epoxide-resin glue to bond conducting wire and carbon cloth, finally with carbon cloth air-dry by the conducting wire after bonding solid
It is fixed, that is, electrode one or electrode two as above is made.
2. according to claim 1 handle the method for discarding rice husk using MFC, which is characterized in that in above-mentioned S1 steps
In, it is sampled before cellulase is added, takes a sample per half an hour later, measured concentration of glucose in hydrolyzate, wait for that curve is steady
I.e. hydrolysis is complete, determines and hydrolyzes the complete time, and hydrolyzate diluted 3 times of bottlings after hydrolysis completely, and to be put into refrigerator spare.
3. according to claim 1 handle the method for discarding rice husk using MFC, which is characterized in that anode chamber and cathode chamber
Between be equipped with channel, in channel be equipped with by the proton exchange membrane of the passageway break, the proton exchange membrane is by following technique system
At：
B1, one is impregnated：PEM basement membranes are impregnated to 80 DEG C of 3% hydrogen peroxide, soaking time 1h；
B2, one is rinsed：PEM basement membranes after immersion are put into 80 DEG C of deionized water and are rinsed, washing time 1h；
B3, two are impregnated：PEM basement membranes after flushing are put into 80 DEG C of sulfuric acid solution and are impregnated, soaking time 1h；
B4, two are rinsed：PEM basement membranes 1h is rinsed with 80 DEG C of deionized waters, that is, proton exchange membrane is made；
B5, it seals up for safekeeping：Proton exchange membrane is put and is sealed in deionized water, when needing using proton exchange membrane, will be sealed up for safekeeping
Proton exchange membrane take out and natural air drying in air.
4. according to claim 1 handle the method for discarding rice husk using MFC, which is characterized in that the silver sulfate is molten
Liquid process for preparation technique is as follows：It takes 0.657g silver sulfates to be dissolved in 900mL water, silver sulfate solution is added to cathode chamber,
Middle silver sulfate slightly soluble, when dissolving, are put into supersonic wave cleaning machine 30 minutes, and glass bar is used in combination to be stirred, until silver sulfate is complete
Until dissolving.
5. according to claim 1 handle the method for discarding rice husk using MFC, which is characterized in that the pre- place of activated sludge
Science and engineering skill is as follows：The activated sludge of anode region is derived from Bean Products Factory, after fetching by it successively after filtering, precipitation and elutriation,
It saves backup under anaerobic, then again by sludge acclimatization, aerobic sludge is converted to anaerobic sludge.
6. according to claim 1 handle the method for discarding rice husk using MFC, which is characterized in that electrode one and electrode two
Between be also associated with recording instrument without paper in parallel with a resistor.
7. according to claim 1 handle the method for discarding rice husk using MFC, which is characterized in that connected in anode chamber
There is one end to stretch to the indoor inlet tube of anode, one end is also associated in anode chamber and stretches to the indoor liquid flowing tube of anode, institute
The inlet tube stated is vertically arranged, and liquid flowing tube is vertically arranged and bottom of the tube is more than sludge interface, and the lower end of inlet tube, which is located at, takes liquid
Below the lower end side of pipe.
8. according to claim 1 handle the method for discarding rice husk using MFC, which is characterized in that in above-mentioned S2 and S3
Between, the rice husk filter residue after hydrolysis enters burning power plant, and the rice husk after hydrolysis is carried out combustion power generation by burning power plant.
9. according to claim 1 handle the method for discarding rice husk using MFC, which is characterized in that in above-mentioned S1 steps
In, in hydrolysis, hydrolysis 220min is until concentration no longer changes under the conditions of temperature is 30 DEG C.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110078295A (en) * | 2019-03-26 | 2019-08-02 | 杭州电子科技大学 | A kind of synchronization process landfill leachate and the method produced electricity |
| CN110273310A (en) * | 2019-03-20 | 2019-09-24 | 杭州电子科技大学 | A method of office waste is handled using MFC |
| CN110854420A (en) * | 2019-11-29 | 2020-02-28 | 南京大学盐城环保技术与工程研究院 | Microbial fuel cell with straw and sludge as matrix, construction method thereof and sludge treatment method |
| CN111434630A (en) * | 2019-01-15 | 2020-07-21 | 杭州电子科技大学 | Method for synchronously producing sludge hydrolysate and recovering metals |
| CN114874527A (en) * | 2022-05-19 | 2022-08-09 | 合肥略邦信息技术有限公司 | Bio-based controllable degradable mulching film and production method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006334584A (en) * | 2005-06-02 | 2006-12-14 | Toru Ueda | Biomass fuel battery power generation system based on effective utilization of saccharification residue |
| US20140200335A1 (en) * | 2011-06-30 | 2014-07-17 | Nano-Green Biorefineries Inc. | Catalytic biomass conversion |
| CN104126014A (en) * | 2011-12-22 | 2014-10-29 | 希乐克公司 | Processing biomass for use in fuel cells |
| CN106920981A (en) * | 2017-03-03 | 2017-07-04 | 杭州电子科技大学 | It is the method that substrate microbiological fuel cell is produced electricity using starch solid-state castoff high |
| US20170288252A1 (en) * | 2016-03-31 | 2017-10-05 | South Dakota Board Of Regents | Generation of electricity and other value-added products from culled tomatoes in microbially catalyzed electrochemical systems |
| CN107934955A (en) * | 2017-11-17 | 2018-04-20 | 浙江大学 | A kind of method of activation process commercialization carbon cloth |
-
2018
- 2018-06-19 CN CN201810630180.XA patent/CN108767302A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006334584A (en) * | 2005-06-02 | 2006-12-14 | Toru Ueda | Biomass fuel battery power generation system based on effective utilization of saccharification residue |
| US20140200335A1 (en) * | 2011-06-30 | 2014-07-17 | Nano-Green Biorefineries Inc. | Catalytic biomass conversion |
| CN104126014A (en) * | 2011-12-22 | 2014-10-29 | 希乐克公司 | Processing biomass for use in fuel cells |
| US20170288252A1 (en) * | 2016-03-31 | 2017-10-05 | South Dakota Board Of Regents | Generation of electricity and other value-added products from culled tomatoes in microbially catalyzed electrochemical systems |
| CN106920981A (en) * | 2017-03-03 | 2017-07-04 | 杭州电子科技大学 | It is the method that substrate microbiological fuel cell is produced electricity using starch solid-state castoff high |
| CN107934955A (en) * | 2017-11-17 | 2018-04-20 | 浙江大学 | A kind of method of activation process commercialization carbon cloth |
Non-Patent Citations (1)
| Title |
|---|
| 黄发明等: "生物质废弃物MFC产电试验研究" * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111434630A (en) * | 2019-01-15 | 2020-07-21 | 杭州电子科技大学 | Method for synchronously producing sludge hydrolysate and recovering metals |
| CN110273310A (en) * | 2019-03-20 | 2019-09-24 | 杭州电子科技大学 | A method of office waste is handled using MFC |
| CN110078295A (en) * | 2019-03-26 | 2019-08-02 | 杭州电子科技大学 | A kind of synchronization process landfill leachate and the method produced electricity |
| CN110854420A (en) * | 2019-11-29 | 2020-02-28 | 南京大学盐城环保技术与工程研究院 | Microbial fuel cell with straw and sludge as matrix, construction method thereof and sludge treatment method |
| CN110854420B (en) * | 2019-11-29 | 2021-03-16 | 南京大学盐城环保技术与工程研究院 | Microbial fuel cell with straw and sludge as matrix, construction method and sludge treatment method |
| CN114874527A (en) * | 2022-05-19 | 2022-08-09 | 合肥略邦信息技术有限公司 | Bio-based controllable degradable mulching film and production method thereof |
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