CN104961236A - Device for enhancing drug residue removal of constructed wetland and preventing spreading of drug-resistant bacteria - Google Patents
Device for enhancing drug residue removal of constructed wetland and preventing spreading of drug-resistant bacteria Download PDFInfo
- Publication number
- CN104961236A CN104961236A CN201510351628.0A CN201510351628A CN104961236A CN 104961236 A CN104961236 A CN 104961236A CN 201510351628 A CN201510351628 A CN 201510351628A CN 104961236 A CN104961236 A CN 104961236A
- Authority
- CN
- China
- Prior art keywords
- fuel cell
- cell type
- microbial fuel
- tank
- reed
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a device for enhancing drug residue removal of a constructed wetland and preventing spreading of drug-resistant bacteria. The device comprises a reed tower and the microbial fuel cell type constructed wetland and an electrochemical reaction area. The reed tower is sequentially provided with reeds, a first reaction pond, a second reaction pond, a third reaction pond, a fourth reaction pond and a first water tank form top to bottom. A first water outlet is formed in the lower end of the first water tank and is communicated with a second water tank. A second water outlet is formed in the second water tank and is communicated with the microbial fuel cell type constructed wetland. A third water outlet is formed in the upper end of the microbial fuel cell type constructed wetland and is communicated with a third water tank. A fourth water outlet is formed in the lower end of the third water tank and is communicated with the electrochemical reaction area. The method aims to promote drug residue removal of the constructed wetland and prevent spreading of the drug-resistant bacteria by means of the coupling function of root exudations and bioelectrochemistry. The drug residue removal efficiency is improved. Besides, generated electric energy is used in the electrochemical reaction area, energy is saved, cost is reduced, and recycling is achieved.
Description
Technical field
The invention belongs to environmental improvement and resist technology field, be specifically related to a kind of strengthened artificial wet land and remove drug residue and the device preventing resistant organism from spreading and application thereof.
Background technology
In recent years, along with the widespread use of medicine and personal care articles (PPCPs), make the pollutant kind in environment various, complicated component, also day by day serious to the pollution of environment.Such as, drug residue, also may the generation of resistant organism in induced environment except causing chemical pollution, produces serious harm to human health and the ecosystem.
At present, numerous research shows that the removal effect of Treatment Technology of Constructed Wetland to organic pollutant is better than other water technologies, artificial swamp is in the method removing drug residue, the content of left drug in sewage can be reduced to a certain extent, but artificial swamp matrix biopolymers film also may act as the potential storage vault of resistant organism and drug resistant gene and the effect of source of release.Therefore, the drug residue prevent resistant organism from spreading of how effectively degrading, be from now on for a long time in the significant challenge that faces.
Summary of the invention
Technical problem: for overcoming the deficiencies in the prior art, the object of the invention is on the basis of Traditional Man wetland, thering is provided a kind of utilizes root exudates and bioelectrochemical coupling promote artificial swamp to remove drug residue and prevent the method that resistant organism spreads, improve drug residue removal efficiency, and the electric energy produced is used in electrochemical reaction district, save energy, reduces costs, recycle.
Technical scheme: for achieving the above object, the technical solution used in the present invention is: a kind of strengthened artificial wet land removes drug residue and the device preventing resistant organism from spreading, and this device comprises reed tower, Microbial fuel cell type artificial swamp and electrochemical reaction district, described reed top of tower side is provided with reed tower water-in, and described reed tower is provided with reed, the first reaction tank, the second reaction tank, the 3rd reaction tank, the 4th reaction tank and the first tank from top to bottom successively, described first tank lower end is provided with the first water outlet, described first water outlet is connected with the second tank, described second tank is provided with the second water outlet, described second water outlet is connected with Microbial fuel cell type artificial swamp, and described Microbial fuel cell type artificial swamp is provided with waterplant, cathode electrode, the first filler, anode electrode, the second filler from top to bottom successively, described Microbial fuel cell type artificial swamp upper end is provided with the 3rd water outlet, described 3rd water outlet is connected with the 3rd tank, described 3rd tank lower end is provided with the 4th water outlet, described 4th water outlet is connected with electrochemical reaction district, anode and negative electrode is provided with in described electrochemical reaction district, the anode in described electrochemical reaction district is connected with Microbial fuel cell type artificial swamp cathode electrode by wire, the negative electrode in electrochemical reaction district is connected with Microbial fuel cell type artificial swamp anode electrode by wire, form complete loop line, water port is provided with above described electrochemical reaction district.
Further, one group of aperture is respectively equipped with bottom described first reaction tank, the second reaction tank, the 3rd reaction tank, the 4th reaction tank, and the height of each reaction tank is 10cm, requirement only has root of phragmites communis pastern to divide in reaction tank, and stem and leaf portion are stretched over outside pond by the hole of each reaction tank both sides.
Further, described second and third respectively opens a hole with four reaction tank both sides in high 7cm place.
Further, described waterplant, winter-spring season plantation Chinese celery, plants water harmony dish summer and autumn.
Further, the first filler and the second filler are particle diameter from top to bottom be respectively 1 ~ 2mm sandstone and particle diameter is the zeolite of 10 ~ 20mm.
Further, the anode electrode in described electrochemical reaction district adopts graphite, and cathode electrode adopts stainless steel steel bar.
Above-mentioned a kind of strengthened artificial wet land removes drug residue and the application of device in environmental improvement and protection preventing resistant organism from spreading.
Above-mentioned device carries out strengthened artificial wet land and removes drug residue and the method preventing resistant organism from spreading, sewage enters reed tower from reed tower water-in, successively through first, two, three and four layers of reaction tank, reed root system is more flourishing can secrete a large amount of organism, i.e. root exudates, carbohydrate in reed root exudates, organic acid, the low molecule organic matters such as amino acid and plant mucilage become the important organic carbon source in root system microenvironment, then the second tank is entered by reed tower first water outlet, flow in Microbial fuel cell type artificial swamp through the second tank, drug Transformation is easily biodegradable organics and final inorganic mineralising by the microorganism in Microbial fuel cell type artificial swamp, electronics and proton is produced in the process of degraded medicine, electronics is sent to Microbial fuel cell type artificial swamp anode surface by carrier, the negative electrode in electrochemical reaction district is delivered to by Microbial fuel cell type artificial swamp anode, the anode in electrochemical reaction district is delivered to again by the negative electrode in electrochemical reaction district, Microbial fuel cell type artificial swamp negative electrode is delivered to through external circuit, closed loop is formed between Microbial fuel cell type artificial swamp and electrochemical reaction district, generation current, proton moves to Microbial fuel cell type artificial swamp negative electrode by solution, at Microbial fuel cell type artificial swamp cathode surface, is combined reduction reaction occurs with the material of oxidation state and electronics.Wherein the sewage flowed in Microbial fuel cell type artificial swamp contains a large amount of root exudates, promote electrogenesis because the easy degradation material in root exudates can be used as electrogenesis co-substrate, after promoting electrogenesis, have three usefulness: one is promote that the electrogenesis bacterium of Microbial fuel cell type artificial swamp is to the removal of medicine; Two is generations that electrogenesis effect suppresses the inner resistant organism of wetland; Three is germicidal actions that electrogenesis can strengthen electrochemical reaction district, reduces the pathogenic bacteria in water outlet and resistant organism quantity further.Moreover reed Radial Oxygen Loss from Root ability is comparatively strong, by the nature oxygen therapy effect of reed root system, for providing the environment that aerobic, anaerobism and Anoxic replace in packing area, the removal ability to drug residue can be increased further.
Beneficial effect: the present invention compared with the existing technology, has the following advantages:
1) reed Radial Oxygen Loss from Root ability is comparatively strong, by the nature oxygen therapy effect of reed root system, for reed tower provides the environment that aerobic, anaerobism and Anoxic replace, can increase the removal ability to drug residue further.
2) reed root exudates can promote electrogenesis as a kind of natural organic matter, has three benefits after promoting electrogenesis:
One is promote that the electrogenesis bacterium of Microbial fuel cell type artificial swamp is to the removal of medicine;
Two is generations that electrogenesis effect suppresses the inner resistant organism of wetland;
Three is germicidal actions that electrogenesis can strengthen electrochemical reaction district, reduces the pathogenic bacteria in water outlet and resistant organism quantity further.
3) this system is while purifying waste water to greatest extent, creates electric energy, and electric energy is used for killing Residual Disease thalline in sewage and a small amount of drug-resistant bacteria.
4) this system not only makes full use of the multiple mechanism strengthening such as ecology, microbiology, electrochemistry, bioelectrochemistry and removes medicine, and required electric energy and organic substrates come from system itself completely, do not need to consume any fossil energy or chemical agent.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the embodiment of the present invention;
Fig. 2 is reed tower apparatus stereographic map of the present invention.
Embodiment
Embodiment 1:
As shown in Figure 1, a kind of strengthened artificial wet land of the present invention removes drug residue and the device preventing resistant organism from spreading, and this device comprises reed tower, Microbial fuel cell type artificial swamp and electrochemical reaction district, reed top of tower side is provided with reed tower water-in 1, and reed tower is provided with reed 2, first reaction tank, the second reaction tank, the 3rd reaction tank, the 4th reaction tank 3 and the first tank 4 from top to bottom successively, first tank 4 lower end is provided with the first water outlet 5, first water outlet 5 is connected with the second tank 6, second tank 6 is provided with the second water outlet 7, second water outlet 7 is connected with Microbial fuel cell type artificial swamp, and Microbial fuel cell type artificial swamp is provided with waterplant 8, cathode electrode 9, first filler 10, anode electrode 11, second filler 12 from top to bottom successively, Microbial fuel cell type artificial swamp upper end is provided with the 3rd water outlet 13, 3rd water outlet 13 is connected with the 3rd tank 14, 3rd tank 14 lower end is provided with the 4th water outlet 15, 4th water outlet 15 is connected with electrochemical reaction district, anode 16 and negative electrode 17 is provided with in electrochemical reaction district, the anode 16 in electrochemical reaction district is connected with Microbial fuel cell type artificial swamp cathode electrode 9 by wire, the negative electrode 17 in electrochemical reaction district is connected with Microbial fuel cell type artificial swamp anode electrode 11 by wire, form complete loop line, water port 18 is provided with above described electrochemical reaction district.One group of aperture is respectively equipped with bottom first reaction tank, the second reaction tank, the 3rd reaction tank, the 4th reaction tank 3, and the height of each reaction tank is 10cm, requirement only has root of phragmites communis pastern to divide in reaction tank, and stem and leaf portion are stretched over outside pond by the hole of each reaction tank both sides.A hole is respectively opened in high 7cm place in second and third and four reaction tank both sides.Waterplant 8, winter-spring season plantation Chinese celery, plants water harmony dish summer and autumn.First filler 10 and the second filler 12 are particle diameter from top to bottom be respectively 1 ~ 2mm sandstone and particle diameter is the zeolite of 10 ~ 20mm.Anode 16 electrode in electrochemical reaction district adopts graphite, and negative electrode 17 electrode adopts stainless steel steel bar.
The specific works process of this device is as follows:
A kind of strengthened artificial wet land that carries out removes drug residue and the method preventing resistant organism from spreading, sewage enters reed tower from reed tower water-in 1, successively through first, two, three and four layers of reaction tank 3, reed root system is more flourishing can secrete a large amount of organism, i.e. root exudates, carbohydrate in reed root exudates, organic acid, the low molecule organic matters such as amino acid and plant mucilage become the important organic carbon source in root system microenvironment, then the second tank 6 is entered by reed tower first water outlet 5, flow in Microbial fuel cell type artificial swamp through the second tank 6, drug Transformation is easily biodegradable organics and final inorganic mineralising by the microorganism in Microbial fuel cell type artificial swamp, electronics and proton is produced in the process of degraded medicine, electronics is sent to Microbial fuel cell type artificial swamp anode electrode 11 surface by carrier, the negative electrode 17 in electrochemical reaction district is delivered to by Microbial fuel cell type artificial swamp anode electrode 11, the anode 16 in electrochemical reaction district is delivered to again by the negative electrode 17 in electrochemical reaction district, Microbial fuel cell type artificial swamp cathode electrode 9 is delivered to through external circuit, closed loop is formed between Microbial fuel cell type artificial swamp and electrochemical reaction district, generation current, proton moves to Microbial fuel cell type artificial swamp cathode electrode 9 by solution, on Microbial fuel cell type artificial swamp cathode electrode 9 surface, is combined reduction reaction occurs with the material of oxidation state and electronics.
Claims (8)
1. strengthened artificial wet land removes drug residue and the device preventing resistant organism from spreading, and it is characterized in that, this device comprises reed tower, Microbial fuel cell type artificial swamp and electrochemical reaction district, described reed top of tower side is provided with reed tower water-in (1), and described reed is provided with reed (2), the first reaction tank, the second reaction tank, the 3rd reaction tank, the 4th reaction tank (3) and the first tank (4) from top to bottom successively, described first tank (4) lower end is provided with the first water outlet (5), described first water outlet (5) is connected with the second tank (6), described second tank (6) is provided with the second water outlet (7), described second water outlet (7) is connected with Microbial fuel cell type artificial swamp, and described Microbial fuel cell type artificial swamp is provided with waterplant (8), cathode electrode (9), the first filler (10), anode electrode (11), the second filler (12) from top to bottom successively, described Microbial fuel cell type artificial swamp upper end is provided with the 3rd water outlet (13), described 3rd water outlet (13) is connected with the 3rd tank (14), described 3rd tank (14) lower end is provided with the 4th water outlet (15), described 4th water outlet (15) is connected with electrochemical reaction district, anode (16) and negative electrode (17) is provided with in described electrochemical reaction district, the anode (16) in described electrochemical reaction district is connected with Microbial fuel cell type artificial swamp cathode electrode (9) by wire, the negative electrode (17) in electrochemical reaction district is connected with Microbial fuel cell type artificial swamp anode electrode (11) by wire, form complete loop line, water port (18) is provided with above described electrochemical reaction district.
2. a kind of strengthened artificial wet land according to claim 1 removes drug residue and the device preventing resistant organism from spreading, it is characterized in that: described first reaction tank, the second reaction tank, the 3rd reaction tank, the 4th reaction tank (3) bottom are respectively equipped with one group of aperture, and the height of each reaction tank is 10cm, require that reed only has root system part in reaction tank, stem and leaf portion are stretched over outside pond by the hole of each reaction tank both sides.
3. a kind of strengthened artificial wet land according to claim 1 removes drug residue and the device preventing resistant organism from spreading, and it is characterized in that: described second and third respectively opens a hole with four reaction tank both sides in high 7cm place.
4. a kind of strengthened artificial wet land according to claim 1 removes drug residue and the device preventing resistant organism from spreading, and it is characterized in that: described waterplant (8), and winter-spring season plantation Chinese celery, plants water harmony dish summer and autumn.
5. a kind of strengthened artificial wet land according to claim 1 removes drug residue and the device preventing resistant organism from spreading, and it is characterized in that: the first filler (10) and the second filler (12) are particle diameter from top to bottom be respectively 1 ~ 2mm sandstone and particle diameter is the zeolite of 10 ~ 20mm.
6. a kind of strengthened artificial wet land according to claim 1 removes drug residue and the device preventing resistant organism from spreading, and it is characterized in that: anode (16) electrode in described electrochemical reaction district adopts graphite, and negative electrode (17) electrode adopts stainless steel steel bar.
7. a kind of strengthened artificial wet land described in any one of claim 1 ~ 6 removes drug residue and the application of device in environmental improvement and protection preventing resistant organism from spreading.
8. the device described in any one of claim 1 ~ 6 carries out strengthened artificial wet land and removes drug residue and the method preventing resistant organism from spreading, it is characterized in that, sewage enters reed tower from reed tower water-in (1), successively through first, two, three and four layers of reaction tank (3), reed root system is more flourishing can secrete a large amount of organism, i.e. root exudates, carbohydrate in reed root exudates, organic acid, the low molecule organic matters such as amino acid and plant mucilage become the important organic carbon source in root system microenvironment, then the second tank (6) is entered by reed tower first water outlet (5), flow in Microbial fuel cell type artificial swamp through the second tank (6), drug Transformation is easily biodegradable organics and final inorganic mineralising by the microorganism in Microbial fuel cell type artificial swamp, electronics and proton is produced in the process of degraded medicine, electronics is sent to Microbial fuel cell type artificial swamp anode surface by carrier, the negative electrode (17) in electrochemical reaction district is delivered to by Microbial fuel cell type artificial swamp anode electrode (11), the anode (16) in electrochemical reaction district is delivered to again by the negative electrode in electrochemical reaction district, Microbial fuel cell type artificial swamp cathode electrode (9) is delivered to through external circuit, closed loop is formed between Microbial fuel cell type artificial swamp and electrochemical reaction district, generation current, proton moves to Microbial fuel cell type artificial swamp cathode electrode (9) by solution, on Microbial fuel cell type artificial swamp cathode electrode (9) surface, is combined reduction reaction occurs with the material of oxidation state and electronics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510351628.0A CN104961236B (en) | 2015-06-23 | 2015-06-23 | Device for enhancing drug residue removal of constructed wetland and preventing spreading of drug-resistant bacteria |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510351628.0A CN104961236B (en) | 2015-06-23 | 2015-06-23 | Device for enhancing drug residue removal of constructed wetland and preventing spreading of drug-resistant bacteria |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104961236A true CN104961236A (en) | 2015-10-07 |
| CN104961236B CN104961236B (en) | 2017-01-11 |
Family
ID=54215366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510351628.0A Active CN104961236B (en) | 2015-06-23 | 2015-06-23 | Device for enhancing drug residue removal of constructed wetland and preventing spreading of drug-resistant bacteria |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104961236B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751644A (en) * | 2018-05-29 | 2018-11-06 | 榆林学院 | A kind of municipal sludge cracks and energy conversion device and urban sludge treating method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001259671A (en) * | 2000-03-22 | 2001-09-25 | Matsushita Seiko Co Ltd | Water purifying device |
| CN103523984A (en) * | 2012-10-18 | 2014-01-22 | 赵利群 | Landscape-type multifunctional three-dimensional artificial wetland |
| CN103755031A (en) * | 2014-01-03 | 2014-04-30 | 东南大学 | Thin plant packed bed and hydroponic plant bed superimposed wetland processing sewage system |
| CN104003580A (en) * | 2014-06-04 | 2014-08-27 | 东南大学 | System for treatment of wetland-produced electricity from domestic sewage and electrochemical disinfection of wetland effluent |
-
2015
- 2015-06-23 CN CN201510351628.0A patent/CN104961236B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001259671A (en) * | 2000-03-22 | 2001-09-25 | Matsushita Seiko Co Ltd | Water purifying device |
| CN103523984A (en) * | 2012-10-18 | 2014-01-22 | 赵利群 | Landscape-type multifunctional three-dimensional artificial wetland |
| CN103755031A (en) * | 2014-01-03 | 2014-04-30 | 东南大学 | Thin plant packed bed and hydroponic plant bed superimposed wetland processing sewage system |
| CN104003580A (en) * | 2014-06-04 | 2014-08-27 | 东南大学 | System for treatment of wetland-produced electricity from domestic sewage and electrochemical disinfection of wetland effluent |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751644A (en) * | 2018-05-29 | 2018-11-06 | 榆林学院 | A kind of municipal sludge cracks and energy conversion device and urban sludge treating method |
| CN108751644B (en) * | 2018-05-29 | 2023-09-15 | 榆林学院 | Urban sludge cracking and energy conversion device and urban sludge treatment method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104961236B (en) | 2017-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Farghali et al. | Impacts of iron oxide and titanium dioxide nanoparticles on biogas production: Hydrogen sulfide mitigation, process stability, and prospective challenges | |
| Gude et al. | Beneficial bioelectrochemical systems for energy, water, and biomass production | |
| CN104003580B (en) | A kind of process sanitary sewage wetland electrogenesis and for the system of wetland effluent electrochemical disinfection | |
| CN104505529B (en) | The collaborative environmental microbiological fuel cell of phycomycete and the method utilizing its water purification to produce electricity | |
| CN103145240B (en) | Synchronous electricity generating method and device for anaerobic biological treatment of high concentrated organic wastewater | |
| CN102427142B (en) | Chlorella microbiological fuel cell reactor | |
| CN102531181A (en) | Combined ecological floating bed device for using microbial fuel cell to purify lake water | |
| CN105084554B (en) | The minimizing technology of Microcystin in water | |
| CN110776086A (en) | Photoelectrocatalysis-biological coupling device for degrading organic pollutants and process thereof | |
| CN105347625A (en) | Method for removing nitrate in underground water and reactor | |
| CN103342440B (en) | Efficient biological treatment method of coal gasification wastewater | |
| CN110668556B (en) | Visible light catalysis coupling bioelectrochemical wetland system and application thereof | |
| CN103159386A (en) | Method for recycling surplus sludge in municipal sewage plant | |
| CN105803001A (en) | Method for achieving hydrogen generation from excess sludge by microbial electrolysis cell | |
| CN102603133A (en) | Regeneration and utilization device and method thereof for sludge from sewage plant | |
| CN202400905U (en) | Device for purifying lake water by using microbial fuel cell and combined ecological floating bed | |
| CN106186302B (en) | A kind of device for repairing underground water based on electrode biomembrane and microbiological fuel cell | |
| Luo et al. | Enhanced removal of humic acid from piggery digestate by combined microalgae and electric field | |
| CN104961236A (en) | Device for enhancing drug residue removal of constructed wetland and preventing spreading of drug-resistant bacteria | |
| CN104761106A (en) | Sewage treatment system and sewage treatment method | |
| CN202688046U (en) | Electrocatalytic oxidation equipment for degrading sewage of pig farm | |
| CN108866105A (en) | With the method for enterobacteria LY6 production Nano cadmium sulphide | |
| CN204834757U (en) | Adopt photobioreactor's fuel cell power supply system | |
| CN105330094B (en) | Strengthen the system and method that wetland coupled system removes antibiotic in surface water using root exudates | |
| CN209957483U (en) | Split type wetland plant-microbial fuel cell coupling device |
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 |