CN108483831A - A kind of microwave ultrasonic wave collaboration microbiological fuel cell technical finesse excess sludge technique - Google Patents
A kind of microwave ultrasonic wave collaboration microbiological fuel cell technical finesse excess sludge technique Download PDFInfo
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- CN108483831A CN108483831A CN201810259183.7A CN201810259183A CN108483831A CN 108483831 A CN108483831 A CN 108483831A CN 201810259183 A CN201810259183 A CN 201810259183A CN 108483831 A CN108483831 A CN 108483831A
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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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
- C02F11/00—Treatment of sludge; Devices therefor
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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
- H01M4/96—Carbon-based 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
- 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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- Treatment Of Sludge (AREA)
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Abstract
The invention discloses a kind of microwave ultrasonic wave collaboration microbiological fuel cell technical finesse factory excess sludge techniques, it includes following operating procedure:1. being placed in anaerobic sludge as inoculum in microbiological fuel cell reative cell, it is inserted into the pretreated graphite electrode of Fenton reagent, external resistance is connected by conducting wire, starts single chamber membraneless microbiological fuel cell;2. passing through the excess sludge after microwave, ultrasonic synergistic pretreatment dilution after excess sludge Ensure Liquid liquid is diluted, pretreated excess sludge is placed in microbiological fuel cell reative cell, simultaneously, pretreated excess sludge is persistently added dropwise at reative cell electrode, so that generating cycle near electrode, ensure that electricity production is continual and steady.Present invention process can reduce the content of organics such as SCOD, VS of sludge, while not generate secondary pollution;It can guarantee that electricity production continues, electric current is stablized;So that discarded excess sludge is re-used, reduces sludge treatment expense.
Description
Technical field
The present invention relates to a kind of microwave ultrasonic waves to cooperate with microbiological fuel cell technical finesse excess sludge technique, belongs to dirty
Mud process field.
Technical background
Now, since environmental requirement is increasingly stringenter, China's treatment rate of industrial effluents is high, and the thing followed is sludge quantity
It steeply rises, if do not carried out appropriate processing disposition to it, secondary pollution will certainly be caused to environment.Current processing method
Have landfill, burning, it is agricultural, make construction material etc., however due to the increase of reduction, sludge yield using land area,
Burn the constraint that is increasingly stringenter to the pollution of air, laws and regulations of release toxic and harmful gas, the applications of these methods also by
Limitation is arrived.
Microbiological fuel cell (microbial fuel cells, MFC) be occur in recent years it is a kind of very potential
Energy technology, by microbial action, can will pollute the organic matter even noxious material degradation of environment, and therefrom obtain electricity
Can, to meet growing energy demand.This method can not only reduce sludge treatment expense, can also make mud decrement
Change, and organic mass-energy abundant in sludge can be converted to electric energy, to realize the recycling of sludge.
Invention content
Technical problem to be solved by the invention is to provide a kind of microwave ultrasonic wave collaboration microbiological fuel cell technical offices
Science and engineering plant excess sludge technique, the technique obtain electric energy, and by the way that nutrient solution is gradually added dropwise while handling excess sludge
Mode so that generate cycle near electrode, ensure that electricity production is stablized and continue.
The present invention solves above-mentioned technical problem with following technical solution:
Microwave ultrasonic wave collaboration microbiological fuel cell technical finesse of the present invention factory excess sludge technique, it includes following
Operating procedure:
Step 1, it is placed in anaerobic sludge as inoculum in microbiological fuel cell reative cell, it is pre- to be inserted into Fenton reagent
Treated, and graphite electrode starts single chamber membraneless microbiological fuel cell by conducting wire connection external resistance;
Step 2, dirty by the residue after microwave, ultrasonic synergistic pretreatment dilution after excess sludge Ensure Liquid liquid being diluted
Pretreated excess sludge is placed in microbiological fuel cell reative cell by mud, meanwhile, pretreated excess sludge is held
It is continuous to be added dropwise at reative cell electrode so as to generate cycle near electrode, ensure that electricity production is continual and steady.
In step 1, the Fe in the Fenton reagent2+With H2O2Mass ratio is 1:5;Between the electrode plate of the graphite electrode
Away from for 2cm, electrode plate passes through the outer 1000 Ω resistance of conducting wire connection.
In step 2, the consumption proportion of excess sludge and nutrient solution is:Excess sludge 100g:200~1400g of nutrient solution.
In step 2, the reaction time of the microwave is 2min~5min, and microwave power is 100W~400W, ultrasonic wave work(
Rate is 50W~150W, and the ultrasonic response time is 2min~5min.
In step 2, every liter of nutrient solution by phosphate solution, trace element solution, vitamine B group mixed solution in mass ratio
=1000:12:5 are hybridly prepared into, wherein a concentration of 50mmol/L~100mol/L of phosphate solution, contain following composition:
NaHPO4﹒ 12H2O=10.32~20.64g/L, NaH2PO4﹒ 2H2O=3.32~6.64g/L, NH4Cl=0.31g/L, KCl=
0.13g/L;Contain following composition in the trace element solution:Nitrilotriacetic acid=1~4g/L, magnesium sulfate=1~5g/L, sulphur
Sour manganese=0.1~1.0g/L, sodium chloride=0.5~1.5g/L, green vitriol=0.05~0.15g/L, two hydration chlorine
Change calcium=0.05~0.15g/L, cobalt chloride hexahydrate=0.05~0.15g/L, zinc chloride=0.06~0.26g/L, five hydrations
Copper sulphate=0.005~0.02g/L, 12 hydrated sulfuric acid potassium aluminium=0.005~0.02g/L, boric acid=0.005~0.02g/L,
Sodium molybdate=0.02~0.03g/L, Nickel dichloride hexahydrate=0.02~0.03g/L, Disodium tungstate (Na2WO4) dihydrate=0.02~0.03g/
L;Contain following composition in the vitamine B group mixed solution:Vitamin B1 (chemical formula C12H16N4OS(·HCl))0.1
~0.5g/L, vitamin B2 (chemical formula C17H20N4O6) 0.02~0.08g/L, vitamin B6 (chemical formula C8H10NO5P)
0.03~0.12g/L.
In step 2, the drop rate of the excess sludge is 10ml/min~30ml/min.
In step 2, the excess sludge is dewatered sludge, and water content is 75%~83%, and resolvable chemical is aerobic
It is 1000~3000mg/L to measure (SCOD), and volatile solid (VS) is 52%~61%.
Present invention process has the advantages that:
(1) after handling excess sludge, the content that SCOD removal rates reach 82.3% or more, VS can at least reach
33.31%.
(2) organic matter in excess sludge is utilized by electricity-producing microorganism therein, is obtained certain power density electric energy, is used for
Meet the energy demand of some other day growth.
(3) it is continuing with pretreated dilution excess sludge to be persistently added dropwise near electrode, it is ensured that the electricity of generation
Stream is continual and steady.
(4) sludge reduction effect it is good, without adding any chemical reagents, there is good industrial applications foreground.
(5) when the present invention is produced electricity with papermaking excess sludge, it can get 500~800mV of maximum output electricity or so;The present invention grasps
Make simplicity, non-secondary pollution, excess sludge can be efficiently used.
Specific implementation mode
The method that the present invention is explained further by the following examples, still, implementation of the invention is not limited to following form.
The structure of single chamber membraneless microbiological battery described in following examples is the prior art, and device composition is as follows:Electrode
It is 3cm × 3cm that material, which uses plate graphite, size of anode, and cathode specification is 2cm × 3cm.Microorganism reactor is single chamber without matter
Proton exchange structure, reative cell are in cylindrical type, dischargeable capacity 300mL.Reactor is by an a cathode plate, anode plate, anti-
Room and external circuits is answered to constitute.After reaction starts, the organic matter in sludge is hydrolyzed by microbiological anaerobic, is generated in anode plate surface
Electronics, electronics enter cathode by external circuits, and oxidation reaction, which occurs, with dissolved oxygen generates water, does not remove only in sludge in this way
Organic matter, moreover it is possible to therefrom obtain electric energy.
The present invention pre-processes graphite electrode using Fenton reagent, passes through Fe in Fenton systems2+/H2O2It is formed
The hydroxyl radical free radical of strong oxidizing property the interstitial inert substance of graphite is reacted, increase the specific surface area of graphite, to
So that reaction site increases, be conducive to the electricity generation performance for improving microbiological fuel cell.
Conducting wire of the present invention is the one or more of copper, aluminium, tin, silver, gold, iron, lead, zinc, nickel etc..
The sludge of following instance processes is the excess sludge outside sewage plant secondary settling tank discharge system, the sludge have amount it is big,
The features such as sludge is serious, breath malodor.But the nutriment needed rich in Institute of Micro-biology in its solid phase, microwave and ultrasound can be to it
It is suitably pre-processed, converts macromolecular substances to small molecule, to provide sufficient nutrient source for electricity-producing microorganism, into
And improve the efficiency of fuel cell generation of microbiological fuel cell.
The present invention cooperates with microbiological fuel cell technical finesse excess sludge using microwave ultrasonic wave, utilizes adding for microwave
The effects such as heat, demulsification, catalysis improve efficiency of sludge treatment, and organic matter is made to dissolve out, and utilize the cavitation and water of ultrasonic wave later
Power shear action further cracks sludge flco, to improve the electricity-producing microorganism in fuel cell system in matrix
The utilization rate of organic matter.
Embodiment 1:
Concrete operation step using the method for the present invention processing plant excess sludge is:
Step 1, it is placed in anaerobic sludge as inoculum in microbiological fuel cell reative cell, it is pre- to be inserted into Fenton reagent
Treated graphite electrode, the wherein Fe of Fenton reagent2+/H2O2Mass ratio is 1:5, electrode plate spacing is 2cm, and electrode plate is logical
The outer 1000 Ω resistance of silver wire connection are crossed, start single chamber membraneless microbiological fuel cell, resistance both end voltage is by data collector
It is collected, and is transmitted to computer and automatically records;
Step 2,1400g nutrient solutions are added to dilute 100g excess sludges, every liter of nutrient solution is by phosphate solution, trace element
Solution, vitamine B group mixed solution are in mass ratio=1000:12:5 are hybridly prepared into, and wherein phosphate solution is a concentration of
50mmol/L contains following composition:NaHPO4﹒ 12H2O=10.32g/L, NaH2PO4﹒ 2H2O=3.32~g/L, NH4Cl=
0.31g/L, KCl=0.13g/L;Contain following composition in the trace element solution:Nitrilotriacetic acid=1g/L, magnesium sulfate=
1g/L, manganese sulfate=0.1g/L, sodium chloride=0.5g/L, green vitriol=0.05g/L, CALCIUM CHLORIDE DIHYDRATE=
0.05g/L, cobalt chloride hexahydrate=0.05g/L, zinc chloride=0.06g/L, Salzburg vitriol=0.005g/L, 12 hydrations
Aluminum potassium sulfate=0.005g/L, boric acid=0.005g/L, sodium molybdate=0.02g/L, Nickel dichloride hexahydrate=0.02g/L, two water
Close sodium tungstate=0.02g/L;Contain following composition in the vitamine B group mixed solution:(chemical formula is vitamin B1
C12H16N4OS (HCl)) 0.1g/L, vitamin B2 (chemical formula C17H20N4O6) 0.02g/L, (chemical formula is vitamin B6
C8H10NO5P)0.03g/L.After nutrient solution and excess sludge are sufficiently mixed, pre-processed finally by microwave, ultrasonic synergistic dirty
Mud, microwave reaction time are 5min, microwave power 100W, ultrasonic power 150W, and the ultrasonic response time is 2min;With
So that the organic matter in sludge is fully dissolved in liquid phase, then using pretreated excess sludge as new fuel, is added to step
In rapid 1 microbiological fuel cell reative cell, maximum voltage 507mV.Meanwhile by pretreated excess sludge with 10ml/
The rate of min is persistently added dropwise at reative cell electrode so that generates cycle near electrode, ensures that electricity production is continual and steady.Micro- life
Object fuel cell reaction room uses single chamber without proton exchange membrane structural unit, and compartment replaces papermaking excess sludge, and sludge contains
Water is 83%, and resolvable chemical oxygen demand (SCOD) is 1200mg/L, and volatile solid (VS) is 61%, and sample size is
250mL, 30 DEG C of temperature.
This example test result is shown in Table 1.
Embodiment 2
Concrete operation step using the method for the present invention processing plant excess sludge is:
Step 1, it is placed in anaerobic sludge as inoculum in microbiological fuel cell reative cell, it is pre- to be inserted into Fenton reagent
Treated graphite electrode, the wherein Fe of Fenton reagent2+/H2O2Mass ratio is 1:5, electrode plate spacing is 2cm, and electrode plate is logical
The outer 1000 Ω resistance of copper conductor connection are crossed, start single chamber membraneless microbiological fuel cell, resistance both end voltage is by data collector
It is collected, and is transmitted to computer and automatically records;
Step 2,1000g nutrient solutions are added to dilute 500g excess sludges, every liter of nutrient solution is by phosphate solution, trace element
Solution, vitamine B group mixed solution are in mass ratio=1000:12:5 are hybridly prepared into, and wherein phosphate solution is a concentration of
100mol/L contains following composition:NaHPO4﹒ 12H2O=20.64g/L, NaH2PO4﹒ 2H2O=6.64g/L, NH4Cl=
0.31g/L, KCl=0.13g/L;Contain following composition in the trace element solution:Nitrilotriacetic acid=4g/L, magnesium sulfate=
5g/L, manganese sulfate=1.0g/L, sodium chloride=1.5g/L, green vitriol=0.15g/L, CALCIUM CHLORIDE DIHYDRATE=
0.15g/L, cobalt chloride hexahydrate=0.15g/L, zinc chloride=0.26g/L, Salzburg vitriol=0.02g/L, 12 hydrations
Aluminum potassium sulfate=0.02g/L, boric acid=0.02g/L, sodium molybdate=0.03g/L, Nickel dichloride hexahydrate=0.03g/L, two hydrations
Sodium tungstate=0.03g/L;Contain following composition in the vitamine B group mixed solution:(chemical formula is vitamin B1
C12H16N4OS (HCl)) 0.5g/L, vitamin B2 (chemical formula C17H20N4O6) 0.08g/L, (chemical formula is vitamin B6
C8H10NO5P)0.12g/L.After nutrient solution and factory's excess sludge are sufficiently mixed, pre- place is cooperateed with finally by microwave ultrasonic wave
Sludge is managed, the microwave reaction time is 2min, microwave power 400W, ultrasonic power 50W, and the ultrasonic response time is
5min;So that the organic matter in sludge is fully dissolved in liquid phase, using pretreated excess sludge as new fuel, it is added
In the microbiological fuel cell reative cell of step 1, maximum voltage 673mV.Meanwhile by pretreated excess sludge with
The rate of 30ml/min is persistently added dropwise at reative cell electrode so that generates cycle near electrode, ensures that electricity production is continual and steady.
For microbiological fuel cell reative cell using single chamber without proton exchange membrane structural unit, compartment replaces papermaking excess sludge, sludge
Water content is 75%, and resolvable chemical oxygen demand (SCOD) is 1000mg/L, and volatile solid (VS) is 52%, and sample size is
250mL, 30 DEG C of temperature.
This example test result is shown in Table 1.
Embodiment 3:
Concrete operation step using the method for the present invention processing plant excess sludge is:
Step 1, it is placed in anaerobic sludge as inoculum in microbiological fuel cell reative cell, it is pre- to be inserted into Fenton reagent
Treated graphite electrode, the wherein Fe of Fenton reagent2+/H2O2Mass ratio is 1:5, electrode plate spacing is 2cm, and electrode plate is logical
The outer 1000 Ω resistance of tin conducting wire connection are crossed, start single chamber membraneless microbiological fuel cell, resistance both end voltage is by data collector
It is collected, and is transmitted to computer and automatically records;
Step 2,1400g nutrient solutions are added to dilute 500g excess sludges, every liter of nutrient solution is by phosphate solution, trace element
Solution, vitamine B group mixed solution are in mass ratio=1000:12:5 are hybridly prepared into.Wherein phosphate solution is a concentration of
80mol/L contains following composition:NaHPO4﹒ 12H2O=10.89g/L, NaH2PO4﹒ 2H2O=5.76g/L, NH4Cl=
0.31g/L, KCl=0.13g/L;Contain following composition in the trace element solution:Nitrilotriacetic acid=3g/L, magnesium sulfate=
4g/L, manganese sulfate=0.8g/L, sodium chloride=1.3g/L, green vitriol=0.09g/L, CALCIUM CHLORIDE DIHYDRATE=
0.09g/L, cobalt chloride hexahydrate=0.09g/L, zinc chloride=0.16g/L, Salzburg vitriol=0.015g/L, 12 hydrations
Aluminum potassium sulfate=0.015g/L, boric acid=0.015g/L, sodium molybdate=0.027g/L, Nickel dichloride hexahydrate=0.027g/L, two
Tungstic acid hydrate sodium=0.027g/L.Contain following composition in the vitamine B group mixed solution:(chemical formula is vitamin B1
C12H16N4OS (HCl)) 0.4g/L, vitamin B2 (chemical formula C17H20N4O6) 0.07g/L, (chemical formula is vitamin B6
C8H10NO5P)0.08g/L.After nutrient solution and factory's excess sludge are sufficiently mixed, pre- place is cooperateed with finally by microwave ultrasonic wave
Sludge is managed, the microwave reaction time is 5min, microwave power 100W, ultrasonic power 150W, and the ultrasonic response time is
2min;So that the organic matter in sludge is fully dissolved in liquid phase, then using pretreated excess sludge as new fuel, add
Enter in the microbiological fuel cell reative cell of step 1, maximum voltage 507mV.Meanwhile by pretreated excess sludge with
The rate of 20ml/min is persistently added dropwise at reative cell electrode so that generates cycle near electrode, ensures that electricity production is continual and steady.
Microbiological fuel cell reative cell is used using single chamber without proton exchange membrane structural unit, and compartment replaces papermaking excess sludge,
Sludge moisture content is 83%, and resolvable chemical oxygen demand (SCOD) is 3000mg/L, and volatile solid (VS) is 61%, sample size
For 250mL, 30 DEG C of temperature.
This example test result is shown in Table 1.
Embodiment 4:
Concrete operation step using the method for the present invention processing plant excess sludge is:
Step 1, it is placed in anaerobic sludge as inoculum in microbiological fuel cell reative cell, it is pre- to be inserted into Fenton reagent
Treated graphite electrode, the wherein Fe of Fenton reagent2+/H2O2Mass ratio is 1:5, electrode plate spacing is 2cm, and electrode plate is logical
The outer 1000 Ω resistance of aluminum conductor connection are crossed, start single chamber membraneless microbiological fuel cell, resistance both end voltage is by data collector
It is collected, and is transmitted to computer and automatically records;
Step 2,1000g nutrient solutions are added to dilute 100g excess sludges, every liter of nutrient solution is by phosphate solution, trace element
Solution, vitamine B group mixed solution are in mass ratio=1000:12:5 are hybridly prepared into, and wherein phosphate solution is a concentration of
100mmol/L contains following composition:NaHPO4﹒ 12H2O=20.64g/L, NaH2PO4﹒ 2H2O=3.32g/L, NH4Cl=
0.31g/L, KCl=0.13g/L;Contain following composition in the trace element solution:Nitrilotriacetic acid=4g/L, magnesium sulfate=
5g/L, manganese sulfate=1.0g/L, sodium chloride=1.5g/L, green vitriol=0.15g/L, CALCIUM CHLORIDE DIHYDRATE=
0.15g/L, cobalt chloride hexahydrate=0.15g/L, zinc chloride=0.26g/L, Salzburg vitriol=0.02g/L, 12 hydrations
Aluminum potassium sulfate=0.02g/L, boric acid=0.02g/L, sodium molybdate=0.03g/L, Nickel dichloride hexahydrate=0.03g/L, two hydrations
Sodium tungstate=0.03g/L.Contain following composition in the vitamine B group mixed solution:Vitamin B1 (chemical formula C12H16N4OS
(HCl))=0.5g/L, vitamin B2 (chemical formula C17H20N4O6(chemical formula is for)=0.08g/L, vitamin B6
C8H10NO5P)=0.12g/L.After nutrient solution and factory's excess sludge are sufficiently mixed, cooperateed with finally by microwave ultrasonic wave pre-
Sludge is handled, the microwave reaction time is 2min, microwave power 400W, ultrasonic power 150W, and the ultrasonic response time is
2min;So that the organic matter in sludge is fully dissolved in liquid phase.Again using pretreated excess sludge as new fuel, add
Enter in microbiological fuel cell reative cell, maximum voltage 780mV.Meanwhile by pretreated excess sludge with 15ml/min
Rate be persistently added dropwise at reative cell electrode so that generate cycle near electrode, ensure that electricity production is continual and steady.Microorganism is fired
Expect that cell reaction room is used using single chamber without proton exchange membrane structural unit, compartment replaces papermaking excess sludge, and sludge is aqueous
Amount be 79%, resolvable chemical oxygen demand (SCOD) be 1500mg/L, volatile solid (VS) be 57%, sample size 250mL,
30 DEG C of temperature.
The test result of the various embodiments described above is as shown in table 1:
Table 1
Project | Maximum output current (mA) | SCOD removal rates (%) | VS contents (%) |
Embodiment 1 | 500 | 82.5 | 38.92 |
Embodiment 2 | 765 | 96.4 | 33.31 |
Embodiment 3 | 800 | 90.8 | 34.83 |
Embodiment 4 | 639 | 87.3 | 36.75 |
Claims (7)
1. a kind of microwave ultrasonic wave collaboration microbiological fuel cell technical finesse factory excess sludge technique, which is characterized in that it
Including following operating procedure:
Step 1, it is placed in anaerobic sludge as inoculum in microbiological fuel cell reative cell, is inserted into Fenton reagent pretreatment
Graphite electrode afterwards connects external resistance by conducting wire, starts single chamber membraneless microbiological fuel cell;
Step 2, the excess sludge after being diluted by microwave, ultrasonic synergistic pretreatment after excess sludge Ensure Liquid liquid being diluted,
Pretreated excess sludge is placed in microbiological fuel cell reative cell, meanwhile, pretreated excess sludge is continued
It is added dropwise at reative cell electrode so that generate cycle near electrode, ensure that electricity production is continual and steady.
2. microwave ultrasonic wave cooperates with microbiological fuel cell technical finesse excess sludge technique according to claim 1, special
Sign is:In step 1, the Fe in the Fenton reagent2+With H2O2Mass ratio is 1:5;Between the electrode plate of the graphite electrode
Away from for 2cm, electrode plate passes through the outer 1000 Ω resistance of conducting wire connection.
3. microwave ultrasonic wave according to claim 1 or claim 2 cooperates with microbiological fuel cell technical finesse excess sludge technique,
It is characterized in that:In step 2, the consumption proportion of excess sludge and nutrient solution is:Excess sludge 100g:200~1400g of nutrient solution.
4. microwave ultrasonic wave according to claim 1 or claim 2 cooperates with microbiological fuel cell technical finesse excess sludge technique,
It is characterized in that:In step 2, the reaction time of the microwave is 2min~5min, and microwave power is 100W~400W, ultrasonic wave work(
Rate is 50W~150W, and the ultrasonic response time is 2min~5min.
5. microwave ultrasonic wave according to claim 1 or claim 2 cooperates with microbiological fuel cell technical finesse excess sludge technique,
It is characterized in that:In step 2, every liter of nutrient solution presses quality by phosphate solution, trace element solution, vitamine B group mixed solution
Than=1000:12:5 are hybridly prepared into, wherein a concentration of 50mmol/L~100mol/L of phosphate solution, containing it is following at
Part:NaHPO4﹒ 12H2O=10.32~20.64g/L, NaH2PO4﹒ 2H2O=3.32~6.64g/L, NH4Cl=0.31g/L, KCl
=0.13g/L;Contain following composition in the trace element solution:Nitrilotriacetic acid=1~4g/L, magnesium sulfate=1~5g/L,
Manganese sulfate=0.1~1.0g/L, sodium chloride=0.5~1.5g/L, green vitriol=0.05~0.15g/L, two hydrations
Calcium chloride=0.05~0.15g/L, cobalt chloride hexahydrate=0.05~0.15g/L, zinc chloride=0.06~0.26g/L, five water
Close copper sulphate=0.005~0.02g/L, 12 hydrated sulfuric acid potassium aluminium=0.005~0.02g/L, boric acid=0.005~0.02g/
L, sodium molybdate=0.02~0.03g/L, Nickel dichloride hexahydrate=0.02~0.03g/L, Disodium tungstate (Na2WO4) dihydrate=0.02~
0.03g/L;Contain following composition in the vitamine B group mixed solution:VitaminB10 .1~0.5g/L, vitamin B2
0.02~0.08g/L, 0.03~0.12g/L of vitamin B6.
6. microwave ultrasonic wave according to claim 1 or claim 2 cooperates with microbiological fuel cell technical finesse excess sludge technique,
It is characterized in that:In step 2, the drop rate of the excess sludge is 10ml/min~30ml/min.
7. microwave ultrasonic wave according to claim 1 or claim 2 cooperates with microbiological fuel cell technical finesse excess sludge technique,
It is characterized in that:In step 2, the excess sludge is dewatered sludge, and water content is 75%~83%, and resolvable chemical is aerobic
Amount is 1000~3000mg/L, and volatile solid is 52%~61%.
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CN110510756A (en) * | 2019-08-23 | 2019-11-29 | 昆明理工大学 | A kind of method that organic sewage administers coproduction hydrogen manufacturing |
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