CN110273310A - A method of office waste is handled using MFC - Google Patents
A method of office waste is handled using MFC Download PDFInfo
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- CN110273310A CN110273310A CN201910211116.2A CN201910211116A CN110273310A CN 110273310 A CN110273310 A CN 110273310A CN 201910211116 A CN201910211116 A CN 201910211116A CN 110273310 A CN110273310 A CN 110273310A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/345—Pulpers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Mechanical Engineering (AREA)
- Biochemistry (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of methods using MFC processing office waste, comprising the following steps: step S1: at least constructs one group of MFC device；Step S2: MFC anode liquid is added in the anode chamber of MFC, preparation process is as follows: a1, being crushed: monolith office waste being cut into small pieces with scissors；A2, immersion: broken office waste is placed immersion in deionized water one day or more；A3, slurrying: the shredded paper impregnated and water are added in crusher, paper pulp is broken into；A4, hydrolysis: cellulase being added into paper pulp, and using magnetic stirring apparatus by paper pulp heating stirring, temperature control is cooled to room temperature after 35 DEG C of hydrolysis 90min；A5, paper pulp are centrifuged 10 minutes at 8000r/min, so that residue and hydrolyzate are separated by solid-liquid separation；A6, hydrolyzate is further filtered with vacuum filtration machine；A7, anaerobic sludge is added into anode chamber, filtered hydrolyzate addition anode chamber is obtained into anode liquid later；Step S3: anode liquid produces electronics by electricity-producing microorganism oxidation and generates electric current by external loop.
Description
Technical field
The present invention relates to microbiological fuel cell fields more particularly to a kind of utilization microbiological fuel cell to handle office
The method that waste paper hydrolyzate produces electricl energy.
Background technique
Waste paper is as a kind of important regenerated resources, and recycling has good economic and social benefit, to environment
Protection and the utilization of resources all have a very important significance, and are that solution China's Forest Resources are deficient, paper making raw material shortage effective
One of approach.Main in waste paper can generate reduced sugar by cellulose hydrolyzation using Ingredient-Fiber element.Recently as
The fast development of enzyme engineering, cellulase have been able to industrial mass production, this is mentioned for the deep level development of office waste
A kind of important tool is supplied.Cellulase mainly can will divide cellulose to hydrolyze as a kind of complex enzyme in office waste
For reduced sugar.Sugar is used as a kind of underlying biological industrial chemicals, is widely used in fermentation, organic synthesis, food addition, feed addition
Etc. industries, be a kind of raw material of high added value.Office waste is hydrolyzed by cellulase catalytic, there is mild condition, reaction
Efficiently, the features such as product value is high, it was demonstrated that the bioconversion method is a kind of processing method of environmental protection and economy, has wide answer
Use prospect.
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.MFC has the characteristics that generating efficiency is high, low in the pollution of the environment commonly used to processing organic wastewater.
In recent years, how the wastes such as office waste rationally to be handled, being allowed to turn waste into wealth has become a heat
Point causes the close attention of various countries.
Therefore in view of the drawbacks of the prior art, it is really necessary to propose a kind of technical solution to solve skill of the existing technology
Art problem.
Summary of the invention
In view of this, being tied it is necessory to provide a kind of method using MFC processing office waste for not only having cleaned environmental protection again
The characteristics of having closed office waste processing and electro-chemical systems, the paper pulp for not only having handled waste, but also produce electric energy, and having generated
Residue still can be used for secondary papermaking.Save the cost protects environment, has good economy and environmental benefit.For office
The processing of waste paper provides a kind of new approaches.
In order to overcome the shortcomings of the prior art, technical scheme is as follows:
A method of office waste is handled using MFC, comprising the following steps:
Step S1: at least constructing one group of MFC device, includes at least anode chamber and cathode chamber and forms external loop；
Step S2: MFC anode liquid is added in the anode chamber of MFC, and copper-bath is added in cathode chamber；Wherein,
Anode body fluid is mixed with by office waste hydrolyzate and anaerobic sludge, and preparation process is as follows:
A1, it is crushed: monolith office waste being cut into small pieces with scissors；
A2, immersion: broken office waste is placed immersion in deionized water one day or more；
A3, slurrying: the shredded paper impregnated and water are added in crusher, paper pulp is broken into；
A4, hydrolysis: cellulase being added into paper pulp, and using magnetic stirring apparatus by paper pulp heating stirring, temperature control exists
It is cooled to room temperature after 35 DEG C of hydrolysis 90min；
A5, paper pulp are centrifuged 10 minutes at 8000r/min, so that residue and hydrolyzate are separated by solid-liquid separation；
A6, hydrolyzate is further filtered with vacuum filtration machine, obtains anode liquid；
A7, anaerobic sludge is added into anode chamber, anode chamber is added in filtered hydrolyzate later；
Step S3: anode liquid produces electronics and proton by electricity-producing microorganism oxidation and generates electric current by external loop.
In the above-mentioned technical solutions, the organic matter of anode can be aoxidized by electricity-producing microorganism, this produces electronics in the process
And proton, wherein electronics respectively reaches cathode chamber by proton exchange membrane by external circuit, proton, and reacts with electron acceptor,
Electronics transmits to generate electric current in external circuit.
Scheme as a further improvement, MFC device use dual chamber MFC, and proton membrane is used between anode chamber and cathode chamber
Separate, wherein anode and cathode are carbon cloth.
Scheme as a further improvement accesses the external resistance of 1000 Ω between the two poles of the earth, while accessing nothing at resistance both ends
Paper recorder is to observe the variation of voltage.
Scheme as a further improvement, in the step S2, the proportion of office waste hydrolyzate and anaerobic sludge
For 5: 3 (volume ratios).
Scheme as a further improvement after office waste hydrolyzes and anode chamber is added, adds in the step S2
Suitable microelement is entered, consisting of: 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 MnSO4And 7H2O,
0.31g/L NH4Cl。
Scheme as a further improvement, in step S2, then anaerobic sludge is filtered, is precipitated, is eluriated by domestication
It saves backup under anaerobic afterwards.
Scheme as a further improvement, in step S2, copper-bath is formulated as 0.4g copper sulphate and is dissolved in 800mL
In water.
Scheme as a further improvement, carbon cloth are first washed with deionized water, and are put into 120 DEG C of baking oven, 2h is dried, then uses first
Alcohol is soaked for a period of time, and deionized water is cleaned several times, is finally putting into 500 DEG C of Muffle furnace calcination 30min, cooling after taking-up.
In the preferred embodiment of the present invention, include the following steps:
(1) it after drying 9g duplicating waste paper in 105 DEG C of baking oven, is shredded with scissors.
(2) the 500mL water of the waste paper after shredding is impregnated, makes the abundant water swelling of cellulose, convenient for further broken.
(3) shredded paper impregnated and water are added in crusher, are broken into paper pulp.
(4) cellulase, heating stirring are added into paper pulp, temperature is controlled at 35 DEG C.Room is cooled to after hydrolysis 90min
Temperature, mixture 8000r/min are centrifuged 10 minutes, so that residue and hydrolyzate are separated by solid-liquid separation, then with vacuum filtration machine by hydrolyzate
Further filter.
(5) anaerobic activated sludge of 500mL and 300mL is taken to be added in the anode of MFC the hydrolyzate that step (4) obtains.
(6) copper-bath is added in the cathode of MFC.
(7) cathode and anode material are carbon cloth, and carbon cloth and conducting wire are sticked together.Electricity is accessed between cathode and anode
Case is hindered, resistance box numerical value is adjusted to 1000 Ω.
(8) after electricity generation performance is stablized, change the value of external resistance, make the image of polarization curve Yu power density curve,
Observe MFC electricity generation performance.
As the scheme of further improvement, the step (2) is when impregnating, soaking time long enough, is greater than one day.
As the scheme of further improvement, in hydrolysis, temperature hydrolyzes 90 minutes the step (4) under the conditions of being 35 DEG C.
As the scheme of further improvement, the MFC Anodic and cathode electrode material are carbon cloth, cathode chamber and anode
It is isolated between room with proton membrane.
Compared with prior art, the characteristics of present invention incorporates office waste treatment effeciency is low and electro-chemical systems,
Not only waste has been handled, but also has produced electric energy, after office waste hydrolysis, remaining residue still can be used for paper
Secondary manufacture, to improve the utilization rate of energy.Save the cost protects environment, has good economy and environmental benefit.Together
When handled the intractable problem of office waste well, economize on resources, protect environment.It specifically includes following:
(1) operation of the present invention is simple, abandoned biomass steady sources, avoids energy dissipation caused by directly processing, real
The high efficiency for having showed energy utilizes.
(2) MFC is made by raw material of office waste, the organic matter in waste can be efficiently used, hydrolysis that treated
The content sharp fall of COD, realizes recycling for waste, clean and environmental protection, save the cost, high-efficiency and economic in liquid.
Detailed description of the invention
Fig. 1 is process flow chart of the invention；
Fig. 2 is the modified-image that 0.5g enzyme amount hydrolysis waste paper generates reduced sugar in waste paper hydrolytic process；
Fig. 3 is the modified-image that 1g enzyme amount hydrolysis waste paper generates reduced sugar in waste paper hydrolytic process；
Fig. 4 is the modified-image that 2g enzyme amount hydrolysis waste paper generates reduced sugar in waste paper hydrolytic process；
Fig. 5 is the modified-image that 3g enzyme amount hydrolysis waste paper generates reduced sugar in waste paper hydrolytic process；
Fig. 6 is the modified-image that 0.5 enzyme amount hydrolysis waste paper generates COD in waste paper hydrolytic process；
Fig. 7 is the modified-image that 1g enzyme amount hydrolysis waste paper generates COD in waste paper hydrolytic process；
Fig. 8 is the modified-image that 2g enzyme amount hydrolysis waste paper generates COD in waste paper hydrolytic process；
Fig. 9 is the modified-image that 3g enzyme amount hydrolysis waste paper generates COD in waste paper hydrolytic process；
Figure 10 is the image that reduced sugar changes in electricity generation process；
Figure 11 is COD modified-image in electricity generation process；
Figure 12 is Cu in electricity generation process2+Modified-image；
Figure 13 is the image that voltage changes over time as 1000 Ω of external resistance；
Figure 14 is that the polarization curve that the resistance value when electricity generation performance is stablized, by changing external resistance is drawn and power density are bent
Line.
Following specific embodiment will further illustrate the present invention in conjunction with above-mentioned attached drawing.
Specific embodiment
Technical solution provided by the invention is described further below with reference to attached drawing.
Referring to Fig. 1, it show the present invention and a kind of flow diagram of method using MFC processing office waste, packet is provided
Include following steps:
Step S1: at least constructing one group of MFC device, includes at least anode chamber and cathode chamber and forms external loop；
Step S2: MFC anode liquid is added in the anode chamber of MFC, and copper-bath is added in cathode chamber；Wherein,
Anode body fluid is mixed with by office waste hydrolyzate and anaerobic sludge, and preparation process is as follows:
A1, it is crushed: monolith office waste being cut into small pieces with scissors；
A2, immersion: broken office waste is placed immersion in deionized water one day or more；
A3, slurrying: the shredded paper impregnated and water are added in crusher, paper pulp is broken into；
A4, hydrolysis: cellulase being added into paper pulp, and using magnetic stirring apparatus by paper pulp heating stirring, temperature control exists
It is cooled to room temperature after 35 DEG C of hydrolysis 90min；
A5, paper pulp are centrifuged 10 minutes at 8000r/min, so that residue and hydrolyzate are separated by solid-liquid separation；
A6, hydrolyzate is further filtered with vacuum filtration machine, obtains anode liquid；
A7, anaerobic sludge is added into anode chamber, anode chamber is added in filtered hydrolyzate later；
Step S3: anode liquid produces electronics and proton by electricity-producing microorganism oxidation and generates electric current by external loop.
In the above-mentioned technical solutions, the organic matter of anode can be aoxidized by electricity-producing microorganism, this produces electronics in the process
And proton, wherein electronics respectively reaches cathode chamber by proton exchange membrane by external circuit, proton, and reacts with electron acceptor,
Electronics transmits to generate electric current in external circuit.
The present invention will be further explained With reference to embodiment:
1, the cellulase of various concentration is used in hydrolytic process, measures glucose and COD content in hydrolytic process.
Embodiment 1
After 9g duplicating waste paper is dried in 105 DEG C of baking oven, shredded with scissors.By the 500mL water of the waste paper after shredding
It impregnates, makes the abundant water swelling of cellulose, convenient for further broken.The shredded paper impregnated and water are added in crusher,
It is broken into paper pulp.0.5g cellulase, heating stirring are added into paper pulp, temperature is controlled at 35 DEG C.It is cooled to after hydrolysis 90min
Room temperature, mixture 8000r/min are centrifuged 10 minutes, so that residue and hydrolyzate are separated by solid-liquid separation, then will be hydrolyzed with vacuum filtration machine
Liquid further filters.In the process, hydrolyzate is sampled at regular intervals.Measure glucose content such as Fig. 2 of hydrolyzate
It is shown, it is as shown in Figure 6 to measure COD content.
Embodiment 2
After 9g duplicating waste paper is dried in 105 DEG C of baking oven, shredded with scissors.By the 500mL water of the waste paper after shredding
It impregnates, makes the abundant water swelling of cellulose, convenient for further broken.The shredded paper impregnated and water are added in crusher,
It is broken into paper pulp.1g cellulase, heating stirring are added into paper pulp, temperature is controlled at 35 DEG C.Room is cooled to after hydrolysis 90min
Temperature, mixture 8000r/min are centrifuged 10 minutes, so that residue and hydrolyzate are separated by solid-liquid separation, then with vacuum filtration machine by hydrolyzate
Further filter.In the process, hydrolyzate is sampled at regular intervals.Measure glucose content such as Fig. 3 institute of hydrolyzate
Show, it is as shown in Figure 7 to measure COD content.
Embodiment 3
After 9g duplicating waste paper is dried in 105 DEG C of baking oven, shredded with scissors.By the 500mL water of the waste paper after shredding
It impregnates, makes the abundant water swelling of cellulose, convenient for further broken.The shredded paper impregnated and water are added in crusher,
It is broken into paper pulp.2g cellulase, heating stirring are added into paper pulp, temperature is controlled at 35 DEG C.Room is cooled to after hydrolysis 90min
Temperature, mixture 8000r/min are centrifuged 10 minutes, so that residue and hydrolyzate are separated by solid-liquid separation, then with vacuum filtration machine by hydrolyzate
Further filter.In the process, hydrolyzate is sampled at regular intervals.Measure glucose content such as Fig. 4 institute of hydrolyzate
Show, it is as shown in Figure 8 to measure COD content.
Embodiment 4
After 9g duplicating waste paper is dried in 105 DEG C of baking oven, shredded with scissors.By the 500mL water of the waste paper after shredding
It impregnates, makes the abundant water swelling of cellulose, convenient for further broken.The shredded paper impregnated and water are added in crusher,
It is broken into paper pulp.3g cellulase, heating stirring are added into paper pulp, temperature is controlled at 35 DEG C.Room is cooled to after hydrolysis 90min
Temperature, mixture 8000r/min are centrifuged 10 minutes, so that residue and hydrolyzate are separated by solid-liquid separation, then with vacuum filtration machine by hydrolyzate
Further filter.In the process, hydrolyzate is sampled at regular intervals.Measure glucose content such as Fig. 5 institute of hydrolyzate
Show, it is as shown in Figure 9 to measure COD content.
The present invention is changed in the case where raw material and constant external environment by four examples, by changing containing for enzyme
Amount, content of reducing sugar and COD content after measuring hydrolysis, it is found that the content of enzyme is more, hydrolyzes being utilized by MFC for generation
Substance is also more.The method hydrolyzed using enzyme is easy and reaction condition is mild, is compared to other method for hydrolysis, utilizes enzyme
It hydrolyzes less expensive and is easier, hydrolysis effect is also more preferable.In initial reaction stage, reduced sugar and COD concentration rise rapidly, then become
In steady, reaction terminates.
2, the processing of MFC material
Two pieces of carbon cloth of 7*7cm are cut, is washed with deionized water, is put into baking oven, keep the temperature at 120 DEG C, 2h drying.
It is soaked for a period of time with methanol, deionized water is cleaned several times.500 degree of Muffle furnace calcination 30min are put into, it is cooling after taking-up.It will
The amount of epoxide-resin glue A+B type 1 to 1 is uniformly mixed, and is bonded conducting wire and carbon cloth with epoxide-resin glue, is air-dried the carbon fixed
Cloth.
According to the area of intermediate glass pipe when proton film process, it is cut into corresponding circle.In 80 DEG C of 3% hydrogen peroxide
Proton membrane impregnates 1 hour.It places into 80 DEG C of deionized water and rinses 1 hour.It is put into 80 DEG C of sulfuric acid solution (1mol/L)
Film impregnates 1 hour.Again with 80 DEG C deionized water flushing membrane 1 hour.In order not to be polluted, the proton membrane storage of completion is handled
It is sealed in deionized water.Before using proton membrane, air-dry in air.
3, the preparation of anolyte and catholyte
Anode: taking above-mentioned hydrolyzate 500mL, while suitable microelement be added, and (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)
Cathode: taking 0.4g copper sulphate to be dissolved in 800mL water, copper-bath is added to cathode chamber, wherein copper sulphate
It is put into when dissolution in supersonic wave cleaning machine 30 minutes, and is stirred with glass bar, until copper sulphate is completely dissolved.
4, the processing of sludge
The activated sludge of anode region filtered after fetching, precipitated, eluriate after save backup under anaerobic, by sludge
Domestication a period of time, aerobic sludge is converted to anaerobic sludge.
5, the assembling of MFC
Pretreated proton membrane is placed on tank body intermediate connections, two tank bodies are connected.Sun is added in hydrolyzate
Pole, copper-bath are added to cathode chamber.Carbon cloth is immersed in the liquid level at the two poles of the earth or less, carbon cloth is connect with conducting wire, outer connecting resistance
And recording instrument without paper.
6, the electricity generation process of MFC
When MFC starts electricity production, anolyte is taken at regular intervals, measures glucose modified-image such as Figure 10 institute in anolyte
Show, it is as shown in figure 11 to measure COD modified-image in anolyte.Anode reduction sugar and the increase of COD concentration at any time, it is different
The reduction of degree, MFC have certain degradation capability for substances such as reduced sugars in waste paper hydrolyzate.Yin is taken at regular intervals
Pole liquid measures Cu in catholyte2+Modified-image is as shown in figure 12.MFC is for the Cu in waste water2+Also there is very strong degradation capability,
It is contemplated that MFC is used in copper-containing wastewater processing.In MFC electricity generation process, recording instrument without paper is automatically recorded every 10min
Voltage value after end cycle, arranges data, it is as shown in figure 13 to draw the image that voltage changes over time.After being hydrolyzed using waste paper
It is added in MFC to produce electricity and work well, can be used.When voltage reaches high value in the period, change external resistance, draws pole
Change curve and power density curve is as shown in figure 14.Curvilinear trend and the MFC trend of other anode substrates are essentially identical, MFC
It can be good.
The present invention solves the problems, such as the processing of office waste, improves the utilization efficiency of energy.And the electric energy generated is simultaneously
The MFC to keep up with other substrates has feasibility to a certain extent.
Compared with traditional office waste processing method, the reduced sugar that this method utilizes enzyme hydrolysis waste paper to generate is added
Generation clean energy resource-electric energy in MFC, whole process no pollution to the environment, and the pulp residue generated still can be used for secondary
Papermaking.
The above description of the embodiment is only used to help understand the method for the present invention and its core ideas.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out
Some improvements and modifications, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of method using MFC processing office waste, which comprises the following steps:
Step S1: at least constructing one group of MFC device, includes at least anode chamber and cathode chamber and forms external loop；
Step S2: MFC anode liquid is added in the anode chamber of MFC, and copper-bath is added in cathode chamber；Wherein, anode
Body fluid is mixed with by office waste hydrolyzate and anaerobic sludge, and preparation process is as follows:
A1, it is crushed: monolith office waste being cut into small pieces with scissors；
A2, immersion: broken office waste is placed immersion in deionized water one day or more；
A3, slurrying: the shredded paper impregnated and water are added in crusher, paper pulp is broken into；
A4, hydrolysis: cellulase being added into paper pulp, and using magnetic stirring apparatus by paper pulp heating stirring, temperature is controlled at 35 DEG C
It is cooled to room temperature after hydrolysis 90min；
A5, it is centrifuged 10 minutes at 8000r/min, so that residue and hydrolyzate are separated by solid-liquid separation；
A6, hydrolyzate is further filtered with vacuum filtration machine, obtains anode liquid；
A7, anaerobic sludge is added into anode chamber, anode chamber is added in filtered hydrolyzate later；
Step S3: anode liquid produces electronics and proton by electricity-producing microorganism oxidation and generates electric current by external loop.
2. utilizing the method for MFC processing office waste according to claim 1, which is characterized in that MFC device uses dual chamber
MFC is separated between anode chamber and cathode chamber using proton membrane, wherein anode and cathode are carbon cloth.
3. the method according to claim 1 or claim 2 using MFC processing office waste, which is characterized in that accessed between the two poles of the earth
The external resistance of 1000 Ω, while recording instrument without paper is accessed at resistance both ends to observe the variation of voltage.
4. the method according to claim 1 or claim 2 using MFC processing office waste, which is characterized in that in the step S2
In, the proportion of office waste hydrolyzate and anaerobic sludge is 5: 3 (volume ratios).
5. the method according to claim 1 or claim 2 using MFC processing office waste, which is characterized in that in the step S2
In, after office waste hydrolyzes and anode chamber is added, it joined suitable microelement, consisting of: 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 MnSO4And 7H2O, 0.31g/L NH4Cl。
6. the method according to claim 1 or claim 2 using MFC processing office waste, which is characterized in that in step S2, detest
Oxygen sludge by domestication, then filtered, precipitated, eluriate after save backup under anaerobic.
7. the method according to claim 1 or claim 2 using MFC processing office waste, which is characterized in that in step S2, sulphur
Sour copper solution is formulated as 0.4g copper sulphate and is dissolved in 800mL water.
8. utilizing the method for MFC processing office waste according to claim 2, which is characterized in that carbon cloth first uses deionization
Water is cleaned, and is put into 120 DEG C of baking oven, 2h drying, again with methanol is soaked for a period of time, and deionized water is cleaned several times, is finally putting into
500 DEG C of Muffle furnace calcination 30min, it is cooling after taking-up.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110846356A (en) * | 2019-11-20 | 2020-02-28 | 天津科技大学 | Novel method for treating starch substance extracted from waste paper pulp by using microbial fuel cell |
| CN111334533A (en) * | 2020-02-28 | 2020-06-26 | 河海大学 | Method for producing volatile fatty acid by promoting anaerobic fermentation of office waste paper and sludge by cellulase |
| CN114147054A (en) * | 2021-11-04 | 2022-03-08 | 杭州电子科技大学 | Method for treating waste carton by microwave-assisted heating method |
Citations (9)
| 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 |
| CN101641397A (en) * | 2006-10-26 | 2010-02-03 | 希乐克公司 | biomass processing |
| CN102208671A (en) * | 2011-05-13 | 2011-10-05 | 合肥学院 | Microbiological fuel cell |
| CN102257072A (en) * | 2008-12-19 | 2011-11-23 | 希乐克公司 | Processing biomass |
| CN102276064A (en) * | 2011-07-18 | 2011-12-14 | 北京师范大学 | Anaerobic-aerobic integrated microbial fuel cell wastewater treatment system |
| CN102300993A (en) * | 2009-02-11 | 2011-12-28 | 希乐克公司 | Saccharifying biomass |
| US8636402B2 (en) * | 2009-05-20 | 2014-01-28 | Xyleco, Inc. | Processing biomass |
| CN104126014A (en) * | 2011-12-22 | 2014-10-29 | 希乐克公司 | Processing biomass for use in fuel cells |
| CN108767302A (en) * | 2018-06-19 | 2018-11-06 | 杭州电子科技大学 | The method for discarding rice husk is handled using MFC |
-
2019
- 2019-03-20 CN CN201910211116.2A patent/CN110273310A/en active Pending
Patent Citations (9)
| 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 |
| CN101641397A (en) * | 2006-10-26 | 2010-02-03 | 希乐克公司 | biomass processing |
| CN102257072A (en) * | 2008-12-19 | 2011-11-23 | 希乐克公司 | Processing biomass |
| CN102300993A (en) * | 2009-02-11 | 2011-12-28 | 希乐克公司 | Saccharifying biomass |
| US8636402B2 (en) * | 2009-05-20 | 2014-01-28 | Xyleco, Inc. | Processing biomass |
| CN102208671A (en) * | 2011-05-13 | 2011-10-05 | 合肥学院 | Microbiological fuel cell |
| CN102276064A (en) * | 2011-07-18 | 2011-12-14 | 北京师范大学 | Anaerobic-aerobic integrated microbial fuel cell wastewater treatment system |
| CN104126014A (en) * | 2011-12-22 | 2014-10-29 | 希乐克公司 | Processing biomass for use in fuel cells |
| CN108767302A (en) * | 2018-06-19 | 2018-11-06 | 杭州电子科技大学 | The method for discarding rice husk is handled using MFC |
Non-Patent Citations (3)
| Title |
|---|
| 何凡等: "碳纸和碳布电极微生物燃料电池产电特性的对比研究", 《现代化工》 * |
| 赵健慧等: "MFC技术处理铜_银重金属废水的研究", 《哈尔滨商业大学学报（自然科学版）》 * |
| 陈福民: "变废为宝的微生物电池", 《化工管理》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110846356A (en) * | 2019-11-20 | 2020-02-28 | 天津科技大学 | Novel method for treating starch substance extracted from waste paper pulp by using microbial fuel cell |
| CN111334533A (en) * | 2020-02-28 | 2020-06-26 | 河海大学 | Method for producing volatile fatty acid by promoting anaerobic fermentation of office waste paper and sludge by cellulase |
| CN114147054A (en) * | 2021-11-04 | 2022-03-08 | 杭州电子科技大学 | Method for treating waste carton by microwave-assisted heating method |
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