CN104925946A - Denitrifying phosphorus removal electricity generation device - Google Patents
Denitrifying phosphorus removal electricity generation device Download PDFInfo
- Publication number
- CN104925946A CN104925946A CN201510270780.6A CN201510270780A CN104925946A CN 104925946 A CN104925946 A CN 104925946A CN 201510270780 A CN201510270780 A CN 201510270780A CN 104925946 A CN104925946 A CN 104925946A
- Authority
- CN
- China
- Prior art keywords
- pond
- tank
- sedimentation tank
- sewage
- anaerobic
- 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.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
A denitrifying phosphorus removal electricity generation device belongs to the technical field of sewage treatment, and comprises a water tank, an anaerobic tank, a primary sedimentation tank, an aerobic tank, a secondary sedimentation tank, an anoxic tank and an end sedimentation tank which are connected in sequence, wherein the anaerobic tank is used as an anode chamber of a microbial fuel cell, the secondary sedimentation tank is used as a cathode chamber of the microbial fuel cell, the anode chamber and the cathode chamber are externally connected with a resistance box respectively, the anaerobic tank is spaced from the secondary sedimentation tank through an ion exchange membrane, the primary sedimentation tank is connected with the anoxic tank through an overrunning sludge pipeline, the aerobic tank is connected with the secondary sedimentation tank through a return sludge pipeline, the end sedimentation tank is connected with the anaerobic tank through a return sludge pipeline, an water outlet and a sludge discharging opening are formed in the end sedimentation tank, and electric energy is generated while sewage is treated, so as to realize the coupling of two processes of denitrifying phosphorus removal and the microbial fuel cell. According to the device provided by the invention, the process of denitrifying phosphorus removal is utilized for treating domestic sewage to reduce the concentrations of COD, TP and TN in the sewage, a stable voltage value is generated while a water body is purified, the pollutants in the sewage are effectively treated, and further the electric energy is generated.
Description
Technical field
The invention belongs to technical field of sewage, particularly relate to a kind of denitrification dephosphorization electrogenesis device, while the pollutents such as the COD in disposing of sewage, nitrogen, phosphorus, produce the novel process of electric energy.
Background technology
Conventional denitrification dephosphorization process, primarily of anaerobism, aerobic, anoxic reacter composition, is divided into single sludge processes and two sludge system.In single sludge processes, nitrobacteria and Denitrifying Phosphate Accumulating Organisms are present in same reactor, experiencing anaerobism, anoxic, aerobic three kinds of running environment successively, but in two sludge system, nitrobacteria and denitrifying bacterium are present in independent reactor separately, they can grow in respective optimum operation environment, and can solve the competition contradiction of nitrifier and polyP bacteria in traditional technology better.But denitrifying phosphorus removal technique, in the process of process sanitary sewage, has been tamed ripe microorganism and also do not performed to due effect in a lot, such as, containing a large amount of chemical energy etc. in microorganism, caused certain wasting of resources.Microbiological fuel cell utilizes the organism in the katalysis degradation of sewage of microorganism, chemical energy is converted into the novel reactor of electric energy, but to the pollutent such as nitrogen, phosphorus reduced in sewage without obvious removal effect.The research be coupled with microbiological fuel cell about denitrifying phosphorus removal technique also belongs to blank field at home and abroad, after coupling device successful operation, produces stable electric energy while disposing of sewage, and has very high Theory and applications and is worth.
Summary of the invention
For the technical problem of above-mentioned existence, in order to overcome in the process of disposing of sewage, cause the waste of a large amount of organic energy, without the deficiency that renewable green energy resource produces, the invention provides a kind of denitrification dephosphorization electrogenesis device, it is new device denitrifying phosphorus removal technique be coupled with microbiological fuel cell, and this device can not only reduce the concentration of COD, TN and TP in sewage and purify waste water, and the katalysis of microorganism can be utilized to produce electric energy.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of denitrification dephosphorization electrogenesis device, comprise the water tank connected successively, anaerobic pond, preliminary sedimentation tank, Aerobic Pond, second pond, anoxic pond and final deposition pool, wherein anaerobic pond is as the anolyte compartment of microbiological fuel cell, second pond is as the cathode compartment of microbiological fuel cell, anolyte compartment and cathode compartment outer meeting resistance case respectively, separated by ion-exchange membrane between anaerobic pond and second pond, be connected by surmounting mud pipeline between preliminary sedimentation tank with anoxic pond, Aerobic Pond is connected with second pond and between final deposition pool with anaerobic pond respectively by returned sluge pipeline, final deposition pool is also provided with water outlet and mud discharging mouth, while disposing of sewage, produce electric energy, realize being coupled of denitrification dephosphorization and microbiological fuel cell two kinds of techniques.
Further, the suction culvert of described water tank, mud surmount with sludge reflux pipeline on be all connected with pump.
Further, the bottom of described anaerobic pond, preliminary sedimentation tank, Aerobic Pond, second pond, anoxic pond and final deposition pool is funnel-form, and outlet at bottom is equipped with water discharge valve.
The technical solution adopted for the present invention to solve the technical problems is:
Tool of the present invention has the following advantages:
The present invention utilizes denitrifying phosphorus removal technique process sanitary sewage, in the concentration reducing COD, TP and TN in sewage, can create stable magnitude of voltage, both effectively processed the pollutent in sewage, created electric energy again while purifying water body.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present invention.
Fig. 2 is fundamental diagram of the present invention.
Fig. 3 is electrogenesis part schematic diagram of structure of the present invention.
In figure: 1. water tank, 2. anaerobic pond, 3. preliminary sedimentation tank, 4. Aerobic Pond, 5. second pond, 6. anoxic pond, 7. final deposition pool, 8. pump, 9. resistance box, 10. voltmeter, 11. ion-exchange membranees, 12. carbon felts, 13. surmount mud pipeline, 14. returned sluge pipelines.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Embodiment: as shown in Figure 1, the present invention includes the water tank 1 connected successively, anaerobic pond 2, preliminary sedimentation tank 3, Aerobic Pond 4, second pond 5, anoxic pond 6 and final deposition pool 7, wherein anaerobic pond 2 is as the anolyte compartment of microbiological fuel cell, second pond 5 is as the cathode compartment of microbiological fuel cell, anolyte compartment and cathode compartment outer meeting resistance case 9 respectively, separated by ion-exchange membrane 11 between anaerobic pond 2 and second pond 5, be connected by surmounting mud pipeline 13 between preliminary sedimentation tank 3 with anoxic pond 6, Aerobic Pond 4 is connected with second pond 5 and between final deposition pool 7 with anaerobic pond 2 respectively by returned sluge pipeline 14, final deposition pool 7 is also provided with water outlet and mud discharging mouth, while disposing of sewage, produce electric energy, realize being coupled of denitrification dephosphorization and microbiological fuel cell two kinds of techniques.
The suction culvert of described water tank 1, mud surmount on pipeline 13 and sludge reflux pipeline 14 and are all connected with pump 8.The bottom of described anaerobic pond 2, preliminary sedimentation tank 3, Aerobic Pond 4, second pond 5, anoxic pond 6 and final deposition pool 7 is funnel-form, and outlet at bottom is equipped with water discharge valve.
The present invention is in the process of disposing of sewage, denitrifying phosphorus removal technique is utilized to reduce COD in sewage, the concentration of TN and TP, purify waste water, using the anolyte compartment of anaerobic pond 2 as microbiological fuel cell, second pond 5 is as the cathode compartment of microbiological fuel cell, centre is separated by ion-exchange membrane 11, negative and positive the two poles of the earth are connected to form external circuit by copper conductor, with anaerobism, aerobic, based on the continuous flow double sludge denitrification dephosphorization process that Anoxic Phase combines, while disposing of sewage, produce certain electric energy, realize being coupled of denitrification dephosphorization and microbiological fuel cell two kinds of techniques.The water-quality guideline of the present invention COD, ammonia nitrogen and total phosphorus in run duration sewage is respectively about 300mg/L, 40mg/L and 10mg/L, the dissolved oxygen concentration of anaerobic pond 2, Aerobic Pond 4 and anoxic pond 6 is respectively 0.2mg/L, 1.0-2.0mg/L and 0.5mg/L, Aerobic Pond 4, control at 25 DEG C as the second pond 5 of cathode compartment and the water temperature of anoxic pond 6, sludge concentration (MLSS) controls at 5000mg/L.Sanitary sewage is delivered to anode anaerobic pond 2, under anaerobic, electrogenesis bacterium oxygenolysis organic carbon source, produce electronics and proton, electronics is delivered to negative electrode through external circuit, form electric current, proton enters into cathode compartment by ion-exchange membrane 11, intracellular poly-phosphate is discharged in water with the form of soluble phosphate by Denitrifying Phosphate Accumulating Organisms simultaneously, the energy produced in this process is utilized lower fatty acid to be synthesized organic deposit material PHB used as next stage, now show as the release of phosphorus, effluent stream is through preliminary sedimentation tank 3, enter into Aerobic Pond 4, under the effect of nitrifier, be nitric nitrogen by the mineralized nitrogen in sewage, then negative electrode second pond 5 is flowed into, under anaerobic there is redox reaction in cathode compartment, be outside nitrite or nitrogen discharge system by the nitrate reduction in sewage, finally flow into anoxic pond 6, Denitrifying Phosphate Accumulating Organisms utilizes NO3-N and NO2-N to carry out excessive suction phosphorus as electron acceptor(EA) in anoxic pond 6, nitrogen is with outside gaseous compound form discharge system, thus reach synchronous denitrification dephosphorizing effect.Anode and cathode is connected by wire, forms external circuit, and then generates potential difference.Change in concentration and the electrogenesis situation of COD, TN, the TP in continuous detecting reaction process is needed during startup optimization.
In fig. 2, device global shape is rectangle, and in device, the bottom of each reactor is funnel-form, is provided with water discharge valve.Device is in startup optimization process, the water inlet of test, mud surmount and sludge reflux employing pump delivery, all the other current all operate by run by gravity, successively through anaerobic pond (anolyte compartment) 2, preliminary sedimentation tank 3, Aerobic Pond 4, second pond (cathode compartment) 5, anoxic pond 6, final deposition pool 7, purifying treatment is carried out to sewage.
As shown in Figure 3, for the electrogenesis part schematic diagram of structure of apparatus of the present invention, cathode compartment (anaerobic pond 2) is connected with cathode compartment (second pond 5), centre is separated by ion-exchange membrane 11, cathode and anode material therefor is carbon felt 12, connected by copper conductor, outer meeting resistance case 9, resistance box 9 liang of termination voltmeters 10 carry out the mensuration of magnitude of voltage.
Claims (3)
1. a denitrification dephosphorization electrogenesis device, it is characterized in that: comprise the water tank connected successively, anaerobic pond, preliminary sedimentation tank, Aerobic Pond, second pond, anoxic pond and final deposition pool, wherein anaerobic pond is as the anolyte compartment of microbiological fuel cell, second pond is as the cathode compartment of microbiological fuel cell, anolyte compartment and cathode compartment outer meeting resistance case respectively, separated by ion-exchange membrane between anaerobic pond and second pond, be connected by surmounting mud pipeline between preliminary sedimentation tank with anoxic pond, Aerobic Pond is connected with second pond and between final deposition pool with anaerobic pond respectively by returned sluge pipeline, final deposition pool is also provided with water outlet and mud discharging mouth, while disposing of sewage, produce electric energy, realize being coupled of denitrification dephosphorization and microbiological fuel cell two kinds of techniques.
2. denitrification dephosphorization electrogenesis device according to claim 1, is characterized in that: the suction culvert of described water tank, mud surmount with sludge reflux pipeline on be all connected with pump.
3. denitrification dephosphorization electrogenesis device according to claim 1, is characterized in that: the bottom of described anaerobic pond, preliminary sedimentation tank, Aerobic Pond, second pond, anoxic pond and final deposition pool is funnel-form, and outlet at bottom is equipped with water discharge valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510270780.6A CN104925946B (en) | 2015-05-25 | 2015-05-25 | Denitrification dephosphorization produces electricity device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510270780.6A CN104925946B (en) | 2015-05-25 | 2015-05-25 | Denitrification dephosphorization produces electricity device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104925946A true CN104925946A (en) | 2015-09-23 |
| CN104925946B CN104925946B (en) | 2017-06-09 |
Family
ID=54113417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510270780.6A Active CN104925946B (en) | 2015-05-25 | 2015-05-25 | Denitrification dephosphorization produces electricity device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104925946B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585124A (en) * | 2016-03-09 | 2016-05-18 | 沈阳建筑大学建筑设计研究院 | Bio-membrane process denitrifying phosphorus removal and power generation device |
| CN107364948A (en) * | 2017-07-27 | 2017-11-21 | 沈阳建筑大学建筑设计研究院 | Activated sludge fado cathode chamber denitrification dephosphorization produces electricity device |
| CN113045144A (en) * | 2021-04-23 | 2021-06-29 | 盐城工学院 | Tower equipment of denitrification nitrogen and phosphorus removal |
Citations (6)
| 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 |
| CN102110835A (en) * | 2011-01-21 | 2011-06-29 | 北京航空航天大学 | Microbe fuel cell device for enhanced nitrogen removal in AAO sewage treatment technology |
| US20120164544A1 (en) * | 2010-12-22 | 2012-06-28 | University Of Massachusetts | Aerobic microbial fuel cell |
| CN103715444A (en) * | 2013-11-25 | 2014-04-09 | 大连理工大学 | Sequencing batch electrode polarity reversal microbial fuel cell and use thereof |
| CN104386818A (en) * | 2014-11-17 | 2015-03-04 | 浙江大学 | Wastewater treatment system and method employing dual-chamber MFC (microbial fuel cell) combined with A/O process |
| CN204714596U (en) * | 2015-05-25 | 2015-10-21 | 沈阳建筑大学建筑设计研究院 | A kind of denitrification dephosphorization electrogenesis device |
-
2015
- 2015-05-25 CN CN201510270780.6A patent/CN104925946B/en active Active
Patent Citations (6)
| 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 |
| US20120164544A1 (en) * | 2010-12-22 | 2012-06-28 | University Of Massachusetts | Aerobic microbial fuel cell |
| CN102110835A (en) * | 2011-01-21 | 2011-06-29 | 北京航空航天大学 | Microbe fuel cell device for enhanced nitrogen removal in AAO sewage treatment technology |
| CN103715444A (en) * | 2013-11-25 | 2014-04-09 | 大连理工大学 | Sequencing batch electrode polarity reversal microbial fuel cell and use thereof |
| CN104386818A (en) * | 2014-11-17 | 2015-03-04 | 浙江大学 | Wastewater treatment system and method employing dual-chamber MFC (microbial fuel cell) combined with A/O process |
| CN204714596U (en) * | 2015-05-25 | 2015-10-21 | 沈阳建筑大学建筑设计研究院 | A kind of denitrification dephosphorization electrogenesis device |
Non-Patent Citations (1)
| Title |
|---|
| 张杰: "新型双污泥反硝化除磷工艺的初步研究", 《黑龙江大学自然科学学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585124A (en) * | 2016-03-09 | 2016-05-18 | 沈阳建筑大学建筑设计研究院 | Bio-membrane process denitrifying phosphorus removal and power generation device |
| CN107364948A (en) * | 2017-07-27 | 2017-11-21 | 沈阳建筑大学建筑设计研究院 | Activated sludge fado cathode chamber denitrification dephosphorization produces electricity device |
| CN113045144A (en) * | 2021-04-23 | 2021-06-29 | 盐城工学院 | Tower equipment of denitrification nitrogen and phosphorus removal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104925946B (en) | 2017-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108545830B (en) | Process for enhancing partial shortcut nitrification anaerobic ammonia oxidation of continuous flow municipal sewage by utilizing sludge fermentation | |
| US20170066668A1 (en) | Highly effective sewage treatment based on regulation and control of directed electron flow and apparatus thereof | |
| US11401185B2 (en) | Method and device for treating ammonia-nitrogen wastewater using microbial electrolysis cell assisted SANI system | |
| CN102381758B (en) | Water treatment process and device for synchronously producing electricity and removing nitrate from underground water | |
| CN103145240A (en) | Synchronous electricity generating method and device for anaerobic biological treatment of high concentrated organic wastewater | |
| CN105406096A (en) | Synchronous sewage denitrification and desulphuration method for microbial fuel cell | |
| CN102249424A (en) | Proton exchange membrane-free microbiological fuel cell sewage treatment system and application method thereof | |
| CN107840550B (en) | Method for treating garbage leachate | |
| CN109912145B (en) | Aerobic granular sludge power generation device | |
| CN104925946A (en) | Denitrifying phosphorus removal electricity generation device | |
| CN107381811B (en) | Microbial dual-source electrochemical sewage reactor and method for treating low C/N urban sewage | |
| CN105600930A (en) | Nitrogen and phosphorus removal electricity generator | |
| CN107840444B (en) | Treatment device for garbage leachate | |
| CN204714596U (en) | A kind of denitrification dephosphorization electrogenesis device | |
| CN111115847B (en) | Denitrification method and device based on electrochemical sulfate circulation | |
| CN105948222B (en) | Anaerobic digestion denitrification anaerobic ammoxidation bioelectrochemical system and method | |
| CN102153254B (en) | Anoxic and aerobic cyclic activated sludge process | |
| CN205419925U (en) | Electric installation is produced to nitrogen and phosphorus removal | |
| CN205398232U (en) | Electric installation is produced in dephosphorization of bio -membrane process denitrification | |
| CN205740503U (en) | An O processes the product electric installation of sewage | |
| CN107364948A (en) | Activated sludge fado cathode chamber denitrification dephosphorization produces electricity device | |
| CN205398407U (en) | Organic wastewater treatment system | |
| CN207158877U (en) | A kind of activated sludge fado cathode chamber denitrification dephosphorization produces electricity device | |
| CN107324483A (en) | The many cathode chamber denitrification dephosphorization electricity production devices of biomembrance process | |
| CN113896329A (en) | Water quality purification system and method of artificial wetland coupling bioelectrochemical system |
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: SHENYANG JIANZHU University ARCHITECTURE DESIGNING INSTITUTE |
|
| 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 |