CN105585124B - Biofilm denitrification dephosphorization produces electricity device - Google Patents
Biofilm denitrification dephosphorization produces electricity device Download PDFInfo
- Publication number
- CN105585124B CN105585124B CN201610131037.7A CN201610131037A CN105585124B CN 105585124 B CN105585124 B CN 105585124B CN 201610131037 A CN201610131037 A CN 201610131037A CN 105585124 B CN105585124 B CN 105585124B
- Authority
- CN
- China
- Prior art keywords
- pond
- anaerobic pond
- aerobic tank
- tank
- sewage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/16—Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- 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
A kind of biofilm denitrification dephosphorization produces electricity device, belongs to technical field of sewage.Including sequentially connected water tank, anaerobic pond, primary sedimentation tank, aerobic tank, anoxic pond and final deposition pool, it is separated between anaerobic pond and aerobic tank by amberplex, wherein anode chamber of the anaerobic pond as microbiological fuel cell, cathode chamber of the aerobic tank as microbiological fuel cell, anode chamber and cathode chamber distinguish external resistance box, form closed circuit, surmount pipeline by sludge between primary sedimentation tank and anoxic pond to connect, it is connected between final deposition pool and anaerobic pond by sludge reflux pipeline, water outlet and mud discharging mouth is additionally provided on final deposition pool.The present invention utilizes the coupling technique of driving by double-energy technique and microbiological fuel cell processing sanitary sewage, stable voltage value can be produced while COD, TP and TN concentration in reducing sewage, not only the pollutant in sewage had effectively been handled, but also has produced cleaning electric energy.
Description
Technical field
The invention belongs to technical field of sewage, and device is produced electricity more particularly to a kind of biofilm denitrification dephosphorization,
The new process produced electricl energy while the pollutants such as COD, nitrogen, phosphorus in treated sewage.
Background technology
Conventional denitrification dephosphorization process is mainly made of anaerobism, aerobic, anoxic reacter, is divided into single sludge processes and double dirts
Bricklayer's's skill.In single sludge processes, nitrobacteria and Denitrifying Phosphate Accumulating Organisms are present in same reactor, experiencing detest successively
Oxygen, anoxic, aerobic three kinds of running environment, but in two sludge system, nitrobacteria each is present in individually with denitrifying bacteria
Reactor in, they can grow in respective optimum operation environment, and can preferably solve to nitrify in traditional handicraft
Bacterium and the competition contradiction of polyP bacteria.The double bricklayer's's skills of denitrification dephosphorization not only contribute to solve in traditional biological dephosphorization and denitrification process because
In municipal sewage carbon source it is insufficient and the problem of make treatment effect relatively poor, and sludge yield can be reduced, reduce sludge treatment
Expense reduces structures quantity and required volume, saves oxygen-supplying amount, reduces power consumption.But denitrifying phosphorus removal technique is being located
During managing sanitary sewage, ripe microorganism is tamed and has performed to due effect not yet, such as micro- at many aspects
Containing a large amount of chemical energy etc. in biology, certain wasting of resources is caused.Microbiological fuel cell is urging using microorganism
Chemical energy is converted into the novel reactor of electric energy, but to reducing in sewage by the organic matter in change effect degradation sewage
The pollutants such as nitrogen, phosphorus are without apparent removal effect.Sewage plant traditional activated sludge process is there are sludge settling difficulty and is easy to run off etc. asking
Topic.The biological membrane processing method of sewage is a kind of sewage aerobic biologic treating technique arranged side by side with activated sludge process, is a kind of efficient
Wastewater treatment method.Biomembrane refers to all by the attachment of certain medium, fixed biologically active bodies and substance.In biomembrane
Certain medium is required in attachment and fixation procedure to undertake and complete to fix, and this medium is known as biofilm carrier, also referred to as
Carrier filler.Filler is that biomembrane is rely the place inhabited, and is the carrier of biomembrane, while also plays the role of retaining suspended matter.
Biofilm with sludge quantity it is few, sludge bulking will not be generated, to the variation of the water quality and quantity of waste water with well adapting to energy
The advantages that power, simple operational management.The research coupled with microbiological fuel cell in relation to biomembrane denitrification dephosphorization is at home and abroad
Blank field is still belonged to, after coupling device successful operation, stable electric energy is generated while treated sewage, is not only had very high
Theory and application value, also provide technology branch for development and application of the Denitrifying Phosphorus Removal Technology in the sewage disposal of actual cities
It holds, certain reference is provided for the Technology design in Practical Project, further improve denitrification nitrogen and phosphorus removal technical system.
Invention content
For above-mentioned technical problem, a large amount of organic energy is caused during treated sewage in order to overcome
Waste, the deficiency that no renewable green energy resource generates, the present invention provide a kind of biofilm denitrification dephosphorization electricity production device, wherein
Denitrifying phosphorus removal technique is that anaerobic reactor, aerobic biofilm reactor and the anoxic reacter of operation are joined together, common shape
Into driving by double-energy.The device can not only reduce the concentration of COD, TN and TP in sewage and purify sewage, and can utilize
The catalytic action of microorganism produces electricl energy.
The purpose of the present invention is achieved through the following technical solutions：
A kind of biofilm denitrification dephosphorization electricity production device of the present invention, including sequentially connected water tank, anaerobic pond, just sinks
Pond, aerobic tank, anoxic pond and final deposition pool, are separated between anaerobic pond and aerobic tank by amberplex, and wherein anaerobic pond is as micro-
The anode chamber of biological fuel cell, cathode chamber of the aerobic tank as microbiological fuel cell, anode chamber and cathode chamber difference are external
Resistance box forms closed circuit, surmounts pipeline by sludge between primary sedimentation tank and anoxic pond and connect, pass through between final deposition pool and anaerobic pond
Sludge reflux pipeline connects, and is additionally provided with water outlet and mud discharging mouth on final deposition pool, while treated sewage, produces electricl energy, and realizes
Denitrification dephosphorization and the coupling of microbiological fuel cell technique.
Further, the anaerobic pond and aerobic tank are external by the electrode and conducting wire that are enriched with a large amount of microorganisms respectively
Resistance box.
Further, the anaerobic pond and anoxic pond are all provided with head cover, inside set agitating device.
Further, the aerobic tank is biofilm reactor, and filler is filled in pond, and bottom of pond is provided with aeration sand head, exposes
Connect air compressor outside gas sand head.
Further, the inlet pipeline of the water tank, sludge surmount is respectively connected with pump with mud return line road.
Further, the bottom of the anaerobic pond, primary sedimentation tank, aerobic tank, anoxic pond and final deposition pool is funnel-form, bottom
Outlet is equipped with drain valve.
Beneficial effects of the present invention are：
The present invention can dropped using the coupling technique of driving by double-energy technique and microbiological fuel cell processing sanitary sewage
Stable voltage value is produced while COD, TP and TN concentration in low sewage, has both effectively handled the pollution in sewage
Object, and produce cleaning electric energy.
Description of the drawings
Fig. 1 is the process flow chart of the present invention.
Fig. 2 is the process layout of the present invention.
Fig. 3 is the electricity production part schematic diagram of structure of the present invention.
In figure：1. water tank, 2. anaerobic ponds, 3. primary sedimentation tanks, 4. aerobic tanks, 5. anoxic ponds, 6. final deposition pools, 7. ion exchanges
Film, 8. sludge surmount pipeline, 9. water outlets, 10. mud discharging mouths, 11. sludge reflux pipelines, 12. resistance boxes, 13. multimeters, and 14.
Carbon felt.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
Embodiment：As shown in Figure 1-Figure 3, the present invention includes sequentially connected water tank inlet 1, anaerobic pond 2, primary sedimentation tank 3, good
Oxygen pond 4, anoxic pond 5 and final deposition pool 6, are separated between anaerobic pond 2 and aerobic tank 4 by amberplex 7, wherein 2 conduct of anaerobic pond
The anode chamber of microbiological fuel cell, cathode chamber of the aerobic tank 4 as microbiological fuel cell, anode chamber and cathode chamber lead to respectively
Carbon felt electrode 14 and the external resistance box 12 of copper conductor are crossed, closed circuit is formed, is surpassed between primary sedimentation tank 3 and anoxic pond 5 by sludge
More pipeline 8 connects, and is connected between final deposition pool 6 and anaerobic pond 2 by sludge reflux pipeline 11, be additionally provided on final deposition pool 6 water outlet 9 and
Mud discharging mouth 10 while treated sewage, produces electricl energy, and realizes denitrification dephosphorization and the coupling of two kinds of technique of microbiological fuel cell
It closes.
Inlet pipeline, the sludge of the water tank 1 surmount is respectively connected with pump on pipeline 8 and sludge reflux pipeline 11；Anaerobic pond 2
Head cover is all provided with anoxic pond 5, inside is equipped with blender, is stirred by blender so as to be uniformly mixed muddy water；In aerobic tank 4
Equipped with filler (all types of fillers such as floating type, fixed), the place rely and inhabited is provided for biomembrane, in aerobic tank 4
Also aerator is set.The anaerobic pond 2, anoxic pond 5, aerobic tank 4, primary sedimentation tank 3 and final deposition pool 6 bottom be funnel-form, bottom
Portion outlet is equipped with drain valve.
The present invention reduces COD, TN and TP in sewage during treated sewage, using biomembrane denitrifying phosphorus removal technique
Concentration, purify sewage；Using anaerobic pond 2 as the anode chamber of microbiological fuel cell, aerobic tank 4 is used as microbiological fuel cell
Cathode chamber, centre separates by amberplex 7, and anode chamber and cathode chamber are respectively by being enriched with the carbon felts 14 of a large amount of microorganisms
Electrode and the external resistance box 12 of copper conductor form closed circuit, anti-with anaerobic reactor, aerobic biofilm reactor and anoxic
Based on answering the continuous flow double sludge technique that device is combined, while treated sewage, certain electric energy is generated, realizes denitrification
Dephosphorization and the coupling of two kinds of technique of microbiological fuel cell.The present invention during operation, the finger of COD, ammonia nitrogen and total phosphorus in sewage
Mark is respectively 300mg/L, 50mg/L and 10mg/L or so, and the dissolved oxygen concentration of control anaerobic pond 2, anoxic pond 5 and aerobic tank 4 divides
Not Wei 0.2mg/L, 0.5mg/L and 3.5-5.0mg/L, the water temperature control of anaerobic pond 2 and anoxic pond 5 is at 25 DEG C, the water of aerobic tank 4
Temperature control system is at 25~30 DEG C.The sludge concentration of anaerobic pond 2 and anoxic pond 5 is controlled in 5000mg/L or so, the biomass of aerobic tank 4
Control is in 6500mg/L.Sanitary sewage is firstly transferred to anaerobic pond (anode chamber) 2 and is mixed with returned sludge, ferments in amphimicrobian
Under the action of bacterium, the larger molecular organics of part easily biological-degradable are converted into the volatile fatty acid of small molecule (VFA), instead
Nitrification polyP bacteria absorbs these small molecule volatile aliphatic acid synthesis PHB and stores in the cell, while by cell cohesion phosphorus water
Solution is discharged into water (release for showing as phosphorus) into orthophosphates；Meanwhile organic matter decomposes simultaneously under electricity-producing microorganism effect
Electronics and proton are released, electronics is transmitted to cathode by external circuit and forms electric current, and proton is transmitted to by amberplex 7
Cathode, the oxygen in cathode chamber receive the electronics that microorganism is transmitted from anode, while itself is also reduced into as electron acceptor
Water.Enter the sewage of aerobic tank (cathode chamber) 4 by primary sedimentation tank, under the action of nitrifier, be by the mineralized nitrogen in sewage
Nitrate nitrogen.When nitration reaction occurs simultaneously in MFC cathodes, nitrifier and electricity production bacterium generate competition to dissolved oxygen, to reduce
This competition controls the dissolved oxygen of aerobic tank 4 in 3.5~5mg/L.Sewage containing nitrate nitrogen enters anoxic pond from aerobic tank 4
5 and from primary sedimentation tank 3 surmount sludge mixing carry out denitrification denitrogenation, organic concentration is very low at this time, Denitrifying Phosphate Accumulating Organisms
Mainly energy is obtained for itself growth and breeding, while excess absorbs the dissolved phosphorus in water by the PHB stored in decomposer,
Storage in vivo (excess for showing as phosphorus absorbs), precipitates, phosphorous high sludge by final deposition pool 6 in the form of Quadrafos
A part flows back into anaerobic pond 2 and carries out subsequent cycle, and a part discharges the device, achievees the effect that dephosphorization.Device is starting fortune
Need continuously to detect the concentration variation of COD, TN, TP in reaction process and electricity production situation between the departure date.
As shown in Fig. 2, device global shape is rectangle, the bottom of each reactor is funnel-form in device, equipped with draining
Valve.Device is in operational process is started, and water inlet, sludge surmount to be conveyed with sludge reflux using pump, remaining flow presses gravity stream
Operating, successively by anaerobic pond (anode chamber) 2, primary sedimentation tank 3, aerobic tank (cathode chamber) 4, anoxic pond 5, final deposition pool 6, to sewage into
Row purified treatment.
Fig. 3 is the electricity production part schematic diagram of structure of the utility model device, and anode chamber (anaerobic pond) 2 is (aerobic with cathode chamber
Pond) it is 4 spatially adjacent, centre is separated by amberplex 7, and cathode and anode electrode used therein material is is enriched with a large amount of microorganisms
Carbon felt 14, connected by copper conductor, external resistance box 12, resistance box two terminate voltmeter carry out voltage value measure.
Claims (4)
1. a kind of biofilm denitrification dephosphorization produces electricity device, it is characterised in that：By sequentially connected water tank, anaerobic pond, just sink
Pond, aerobic tank, anoxic pond and final deposition pool composition, are separated, wherein anaerobic pond is made between anaerobic pond and aerobic tank by amberplex
For the anode chamber of microbiological fuel cell, cathode chamber of the aerobic tank as microbiological fuel cell, anode chamber and cathode chamber difference
By the external resistance box of carbon felt electrode and copper conductor for being enriched with a large amount of microorganisms, closed circuit, primary sedimentation tank and anoxic are formed
Surmount pipeline by sludge between pond to connect, connected by sludge reflux pipeline between final deposition pool and anaerobic pond, be additionally provided on final deposition pool
Water outlet and mud discharging mouth while treated sewage, produce electricl energy, and realize denitrification dephosphorization and microbiological fuel cell technique
Coupling；The aerobic tank is biofilm reactor, and filler is filled in pond, and bottom of pond is provided with aeration sand head, connects sky outside aeration sand head
Air compressor.
2. denitrification dephosphorization according to claim 1 produces electricity device, it is characterised in that：The anaerobic pond and anoxic pond are all provided with
Head cover inside sets agitating device.
3. biofilm denitrification dephosphorization according to claim 1 produces electricity device, it is characterised in that：The water inlet of the water tank
Pipeline, sludge surmount is respectively connected with pump with mud return line road.
4. biofilm denitrification dephosphorization according to claim 1 produces electricity device, it is characterised in that：The anaerobic pond, just
Heavy pond, aerobic tank, anoxic pond and final deposition pool bottom be funnel-form, outlet at bottom is equipped with drain valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610131037.7A CN105585124B (en) | 2016-03-09 | 2016-03-09 | Biofilm denitrification dephosphorization produces electricity device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610131037.7A CN105585124B (en) | 2016-03-09 | 2016-03-09 | Biofilm denitrification dephosphorization produces electricity device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105585124A CN105585124A (en) | 2016-05-18 |
| CN105585124B true CN105585124B (en) | 2018-07-03 |
Family
ID=55925071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610131037.7A Active CN105585124B (en) | 2016-03-09 | 2016-03-09 | Biofilm denitrification dephosphorization produces electricity device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105585124B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324483A (en) * | 2017-07-27 | 2017-11-07 | 沈阳建筑大学建筑设计研究院 | The many cathode chamber denitrification dephosphorization electricity production devices of biomembrance process |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201224701Y (en) * | 2008-04-30 | 2009-04-22 | 北京工业大学 | Continuous flow double sludge denitrification dephosphorization process teaching apparatus |
| US8663852B2 (en) * | 2010-12-22 | 2014-03-04 | University Of Massachusetts | Aerobic microbial fuel cell |
| CN104925946B (en) * | 2015-05-25 | 2017-06-09 | 沈阳建筑大学建筑设计研究院 | Denitrification dephosphorization produces electricity device |
| CN205398232U (en) * | 2016-03-09 | 2016-07-27 | 沈阳建筑大学建筑设计研究院 | Electric installation is produced in dephosphorization of bio -membrane process denitrification |
-
2016
- 2016-03-09 CN CN201610131037.7A patent/CN105585124B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105585124A (en) | 2016-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101759323B (en) | Treatment combined process for pig farm waste water with high nitrogen content | |
| CN106745743B (en) | Sewage nitrogen and phosphorus removal system | |
| CN105540846B (en) | The application method of low carbon source urban sewage improvement UCT autotrophic denitrification dephosphorization apparatus | |
| CN102775025B (en) | Municipal life wastewater treatment system with high efficiency and low energy consumption | |
| CN107265645B (en) | Device and method for treating low-carbon-source urban sewage by continuous-flow A/O dephosphorization series-connection multi-stage A/O autotrophic nitrogen removal process | |
| CN107010736B (en) | Device and method for coupling short-cut denitrification-anaerobic ammonia oxidation denitrification with biological phosphorus removal | |
| US20170066668A1 (en) | Highly effective sewage treatment based on regulation and control of directed electron flow and apparatus thereof | |
| CN112573667B (en) | Sewage treatment device and method based on algae-bacteria symbiotic electrochemical system | |
| CN107487845B (en) | 4A sewage treatment device and process based on bacterial embedding immobilization | |
| CN102503033A (en) | Technique for treating pig raising liquid waste by circular anaerobic reactor, sequencing batch biofilm, constructed wetland and facultative lagoon | |
| CN112607864A (en) | Electrochemical performance-enhanced bacteria-algae membrane aeration biomembrane reactor system and application thereof | |
| CN105600930B (en) | Denitrogenation dephosphorizing produces electricity device | |
| CN102249480A (en) | System and operating method for treating rubbish leachate and urban household sewage in combined way | |
| CN101580332B (en) | Tubificidae-microorganism symbiotic system muddy water degradation batch reactor and application thereof | |
| CN110171904A (en) | Based on continuous flow AAO dephosphorization and part denitrogenation series hybrid fixed biofilm activated sludge autotrophic denitrification device and method | |
| CN107381811B (en) | Microbial dual-source electrochemical sewage reactor and method for treating low C/N urban sewage | |
| CN110217887A (en) | A kind of the substep water inlet sequencing batch reactor and method of processing waste water of livestock poultry anaerobic digestion solution | |
| CN104925946B (en) | Denitrification dephosphorization produces electricity device | |
| CN202945124U (en) | Urban sewage treatment system with high efficiency and low energy consumption | |
| CN205398232U (en) | Electric installation is produced in dephosphorization of bio -membrane process denitrification | |
| CN210825829U (en) | Improvement type MBR sewage treatment device | |
| CN209906446U (en) | Integrated sewage advanced treatment device based on circular tank body | |
| CN105585124B (en) | Biofilm denitrification dephosphorization produces electricity device | |
| CN205419925U (en) | Electric installation is produced to nitrogen and phosphorus removal | |
| CN101580331B (en) | Tubificidae-microorganism symbiotic system muddy water degradation continuous flow reactor and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 110000 No.9-10 Jianyuan Street, Shenhe District, Shenyang City, Liaoning Province Patentee after: Institute of Planning and Architectural Design, Shenyang Architectural University Address before: 110168 Liaoning province Shenyang Hunnan Hunnan Road No. 9 University of Architecture Design Institute Patentee before: Architectural Designing Institute of Shenyang Jianzhu University |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 110015 a, 9-10 Jianyuan street, Shenhe District, Shenyang City, Liaoning Province Patentee after: Shenyang Architecture University Design Group Co.,Ltd. Address before: 110000 a, No. 9-10, Jianyuan street, Shenhe District, Shenyang City, Liaoning Province Patentee before: Institute of Planning and Architectural Design, Shenyang Architectural University |
|
| CP03 | Change of name, title or address |