CN108083454A - A kind of device that Industrial Wastewater Treatment denitrogenation production capacity is carried out based on DAMO - Google Patents

A kind of device that Industrial Wastewater Treatment denitrogenation production capacity is carried out based on DAMO Download PDF

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Publication number
CN108083454A
CN108083454A CN201810027858.5A CN201810027858A CN108083454A CN 108083454 A CN108083454 A CN 108083454A CN 201810027858 A CN201810027858 A CN 201810027858A CN 108083454 A CN108083454 A CN 108083454A
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CN
China
Prior art keywords
mfc
abr
anode
damo
wastewater treatment
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Pending
Application number
CN201810027858.5A
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Chinese (zh)
Inventor
宿程远
卢宇翔
赵力剑
廖黎明
黄智�
陈孟林
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Guangxi Normal University
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Guangxi Normal University
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/005Combined electrochemical biological processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/28Anaerobic digestion processes
    • C02F3/284Anaerobic digestion processes using anaerobic baffled reactors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/16Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/38Organic compounds containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/009Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Abstract

The invention discloses a kind of devices that Industrial Wastewater Treatment denitrogenation production capacity is carried out based on DAMO, it is characterized in that, including ABR MFC coupled reactors, the ABR MFC coupled reactors are the cell structure for including multiple cell compartments, wherein the first cell compartment is the front end of ABR MFC coupled reactors and is MFC anode chambers equipped with water inlet, last 1 cell compartment, reflowable the 2nd cell compartment to ABR MFC coupled reactors of MFC anode waste water, the outer wall of anode chamber is equipped with air cathode, air cathode is connected with the indoor anode of anode by load, and anode chamber is equipped with water outlet.This apparatus structure is simple, operation is efficient, and this device effectively can be removed and produced electricl energy to the ammonia nitrogen of waste water, and can reduce the discharge of greenhouse gas methane, have good economic implications and Significance for Environment.

Description

A kind of device that Industrial Wastewater Treatment denitrogenation production capacity is carried out based on DAMO
Technical field
The present invention relates to technology for treating industrial waste water, and in particular to is that one kind is based on denitrification type anaerobic methane oxidation (Denitrifying anaerobic methane oxidation, abbreviation DAMO) is produced electricity with methane driving, utilizes ABR (Anaerobic baffled reactor, anaerobic baffled reactor, abbreviation ABR)- microbiological fuel cell(Microbial Fuel cells, abbreviation MFC)The device of the nitrogenous industrial wastewater of coupling technique processing, it is especially a kind of that industry is carried out based on DAMO The device of wastewater treatment denitrogenation production capacity.
Background technology
Anaerobic technology is the important method for handling high concentrated organic wastewater, and with small investment, low energy consumption, recoverable natural pond The gas energy, load are high, produce many advantages, such as few mud, anti impulsion load and be taken seriously, and become grinding for field of industrial waste water treatment Study carefully hot spot.With the development of anaerobic biological wastewater treatment, anaerobic biological reactor experienced different developing stage, occur A variety of anaerobic biological reactors, such as upflow anaerobic sludge blanket process(UASB), anaerobic filter(AF), expanded granular sludge bed reactor (EGSB), internal-circulation anaerobic reactor (IC), anaerobic baffled reactor(ABR)Deng.Anaerobic reactor is extensive at present Applied in the industrial wastewaters such as sugaring, pharmacy, beer, printing and dyeing, papermaking.But in actual application process, using anaerobic reaction When device handles industrial wastewater, although methane caused by organic pollutant degradation this valuable energy can be collected, but still there is portion Methane is divided to be dissolved in waste water, such as when temperature is 15 DEG C, the about methane of 40-50% is dissolved in waste water.These contain dissolving Property methane waste water into after subsequent Aerobic biological process unit, increase significantly methane gas be discharged into air can Energy.20-30 times of the amount of substance carbon dioxide such as methane is a kind of important greenhouse gases, and caused greenhouse effects are, therefore The control of generated dissolubility methane becomes current water process worker with utilizing when handling industrial wastewater to anaerobic reactor One of hot issue of interest.
Effective processing of high-concentration ammonia nitrogenous wastewater is the problem frequently encountered in anaerobic bio-treated simultaneously, on the one hand The ammonia nitrogen of high concentration can make the inhibition of the active receiving of anaerobe to a certain extent, and entire anaerobic reaction is even resulted in when serious The collapse of device reaction operation;And on the other hand if the C/N of waste water is too low, denitrification advanced nitrogen processing carbon source deficiency often into To restrict the key factor of denitrogenation of waste water so that the total nitrogen in waste water is difficult to effectively be removed.2006, Holland Raghoebarsing etc. obtains anaerobic methane oxidation denitrification for the first time(DAMO)Enriched substance, DAMO processes can utilize anaerobism anti- The methane in device is answered to carry out denitrogenation processing to waste water, can effectively slow down the greenhouse effects of discharge of methane initiation, while the process can Using methane as carbon source, denitrogenation is carried out to low C/N waste water, further reduces the nitrogen content of water outlet.During current DAMO, required first Alkane can be collected from anaerobic digester or UASB reactors, and nitrification tank can be subsequently set after DAMO reactors, but so can be more Wastewater treatment structures are built, increases and takes up an area, increase capital expenditure.Anaerobic methane oxidation denitrification flora enrichment culture is delayed simultaneously Slowly, it is a bottleneck problem existing for DAMO that enrichment culture object activity is low.MFC is that will have by the use of microorganism as biocatalyst Organic pollutants are converted into the device of electric energy, and current research shows some microorganisms in MFC, such as ground bacillus(Geobacter), can Using methane as electron donor, electric energy is converted into from biological energy source using methane;Simultaneous electrochemical can also improve M.oxyfera bacterium Enrichment, so as to promote the progress of DAMO processes.
The content of the invention
Industrial Wastewater Treatment denitrogenation is carried out based on DAMO in view of the deficiencies of the prior art, it is an object of the present invention to provide one kind The device of production capacity.This apparatus structure is simple, operation is efficient, and this device can effectively remove the ammonia nitrogen of waste water, It can produce electricl energy again, and the discharge of greenhouse gas methane can be reduced, there is good economic implications and Significance for Environment.
Realizing the technical solution of the object of the invention is:
A kind of device that Industrial Wastewater Treatment denitrogenation production capacity is carried out based on DAMO, including ABR-MFC coupled reactors, the ABR- MFC coupled reactors are the cell structure for including multiple cell compartments, wherein the 1st cell compartment is the front end of ABR-MFC coupled reactors And water inlet, last 1 cell compartment are equipped with as MFC anode chambers, MFC anodes waste water can be back to ABR-MFC couplings by reflux pump 2nd cell compartment of reactor, the outer wall of anode chamber are equipped with air cathode, and air cathode is outer by loading with the indoor anode of anode Resistance is connected, and anode chamber is equipped with water outlet.
The quantity of the multiple cell compartment is at least five.
The outside of the ABR-MFC coupled reactors is equipped with the gas collector connected with ABR-MFC coupled reactors.
First cell compartment is equipped with aerator.
The anode being made of the biomass carbon prepared by agricultural wastes is set in the anode chamber, biomass carbon cathode can Better environment, the biomass carbon anode and air cathode of MFC are created for DAMO bacterium, Geobacter bacterium and the growth of electricity production bacterium Load external resistance is connect altogether.
ABR is combined by this device with MFC technologies, can not only be produced electricl energy, while reduces methane greenhouse gases Discharge risk, and the denitrification effect to nitrogenous industrial wastewater can be improved.
Microbiological fuel cell(Microbial fuel cell, abbreviation MFC)It is by the use of microorganism as catalyst, oxygen Change a kind of new device that decomposing biomass exports electric energy simultaneously, because chemical energy in biomass can be converted into electric energy by it, It is the following effective way for alleviating the energy and environmental problem.Anaerobic baffled reactor(Anaerobic baffled Reactor, abbreviation ABR)Compared to expanded granular sludge bed reactor(EGSB), internal-circulation anaerobic reactor (IC) etc., its structure Make a series of advantages such as simpler, expense is relatively low, capacity of resisting impact load is strong, management simplicity.What is more important, ABR Lattice cell structure, be easy to be transformed ABR and be coupled with other wastewater processing technologies.The advantages of present apparatus is to fill Divide the cell structure that make use of ABR, ABR is made to be organically combined with MFC, simple in structure, operation efficiently, is realized in waste water The reasonable utilization of dissolubility methane using methane as carbon source, adds nitrification, denitrifying reacting dose in ABR, promotes ammonia nitrogen and go Except effect;What is more important is also produced electricl energy using the driving of dissolubility methane, in today of energy growing tension, is had good Good development prospect.
Description of the drawings
Fig. 1 is the structure diagram of embodiment.
In figure, 2. anode chamber of 1.ABR-MFC coupled reactors, 3. air cathode, 4. external resistance, 5. reflux pump 6. is intake 11. water outlet of case 7. intake pump, 8. air pump, 9. water inlet, 10. aeration head, 12. gas collector.
Specific embodiment
Present invention is further elaborated with reference to the accompanying drawings and examples, but is not limitation of the invention.
Embodiment:
With reference to Fig. 1, a kind of device that Industrial Wastewater Treatment denitrogenation production capacity is carried out based on DAMO, including ABR-MFC coupled reactors 1, the ABR-MFC coupled reactors 1 are the cell structure for including multiple cell compartments, wherein the 1st cell compartment is anti-for ABR-MFC couplings It answers the front end of device 1 and is equipped with water inlet 9, last 1 cell compartment as MFC anode chambers 2, MFC anodes waste water can be returned by reflux pump 5 The 2nd cell compartment of ABR-MFC coupled reactors 1 is flowed to, the outer wall of anode chamber 2 is equipped with air cathode 3, air cathode 3 and anode Anode in room 2 is connected by loading external resistance 4, and anode chamber 2 is equipped with water outlet 11.
The quantity of the multiple cell compartment is at least five.
The outside of the ABR-MFC coupled reactors 1 is equipped with the gas collection dress connected with ABR-MFC coupled reactors 1 Put 12.
First cell compartment is equipped with aerator.
The anode being made of the biomass carbon prepared by agricultural wastes, biomass carbon cathode are set in the anode chamber 2 Can be DAMO bacterium, the better environment of growth creation of Geobacter bacterium and electricity production bacterium, the biomass carbon anode and air of MFC is cloudy Load external resistance 4 is extremely connect altogether.
Specifically, water inlet 9 is connected by intake pump 7 with inlet water tank 6, using ABR-MFC coupling devices 1 to Pig raising wastewater It is handled, waste water is entered by intake pump 6 in ABR-MFC coupling devices 1, is adopted in the 1st cell compartment using air pump 8 and aeration head 10 Micro- aeration is taken, inhibits the accumulation of volatile acid, and is nitrite nitrogen and nitrate nitrogen by organic nitrogen, ammonium oxidation in waste water;It is useless Water comes into full contact with during flowing through follow-up cell compartment with anaerobe, so as to fulfill the degradation of useless Organic substance in water, generates first Alkane;Then waste water enters the anode chamber 2 of MFC, and deliquescent methane is reacted with waste water Nitrite Nitrogen, nitrate nitrogen in waste water Nitrogen is generated, while donor of the deliquescent methane as electronics, electronics are passed over by conductor wire to air from anode chamber 2 Cathode 3, electron stream movable property life electric current, can also be by returning in order to preferably control the progress of DAMO processes and methane driving process Waste water containing dissolubility methane is back to the 2nd cell compartment of ABR-MFC coupling devices 1, waste water by stream pump 5 from the anode chamber of MFC 2 It after whole device is handled, is discharged through discharge outlet 11, ABR-MFC coupling devices 1 handle the extra first generated during waste water Alkane, carbon dioxide etc., through 12 Collection utilization of gas collector.

Claims (4)

1. a kind of device that Industrial Wastewater Treatment denitrogenation production capacity is carried out based on DAMO, it is characterized in that, including ABR-MFC coupled reactions Device, the ABR-MFC coupled reactors are the cell structure for including multiple cell compartments, wherein the 1st cell compartment is anti-for ABR-MFC couplings It answers the front end of device and is equipped with water inlet, last 1 cell compartment as MFC anode chambers, MFC anode waste water is reflowable to be coupled to ABR-MFC 2nd cell compartment of reactor, the outer wall of anode chamber are equipped with air cathode, and air cathode is with the indoor anode of anode by loading phase Even, anode chamber 2 is equipped with water outlet.
2. the device according to claim 1 that Industrial Wastewater Treatment denitrogenation production capacity is carried out based on DAMO, it is characterized in that, it is described The quantity of multiple cell compartments is at least five.
3. the device according to claim 1 that Industrial Wastewater Treatment denitrogenation production capacity is carried out based on DAMO, it is characterized in that, it is described The outside of ABR-MFC coupled reactors is equipped with the gas collector connected with ABR-MFC coupled reactors.
4. the device according to claim 1 that Industrial Wastewater Treatment denitrogenation production capacity is carried out based on DAMO, it is characterized in that, it is described First cell compartment is equipped with aerator.
CN201810027858.5A 2018-01-11 2018-01-11 A kind of device that Industrial Wastewater Treatment denitrogenation production capacity is carried out based on DAMO Pending CN108083454A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108461770A (en) * 2018-06-06 2018-08-28 广西师范大学 A kind of multi-stage series connection MFC- aerobe slot coupling devices of processing industrial wastewater containing toxicant
CN113772806A (en) * 2021-09-17 2021-12-10 上海交通大学重庆研究院 Novel integrated microbial fuel cell for treating leachate

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108461770A (en) * 2018-06-06 2018-08-28 广西师范大学 A kind of multi-stage series connection MFC- aerobe slot coupling devices of processing industrial wastewater containing toxicant
CN113772806A (en) * 2021-09-17 2021-12-10 上海交通大学重庆研究院 Novel integrated microbial fuel cell for treating leachate
CN113772806B (en) * 2021-09-17 2022-12-23 上海交通大学重庆研究院 Integrated microbial fuel cell for treating leachate

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