CN103224313A - Sediment in-situ treatment device and method utilizing microbial fuel cell - Google Patents
Sediment in-situ treatment device and method utilizing microbial fuel cell Download PDFInfo
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- CN103224313A CN103224313A CN2013101500965A CN201310150096A CN103224313A CN 103224313 A CN103224313 A CN 103224313A CN 2013101500965 A CN2013101500965 A CN 2013101500965A CN 201310150096 A CN201310150096 A CN 201310150096A CN 103224313 A CN103224313 A CN 103224313A
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- stainless steel
- bed mud
- porous plate
- fuel cell
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- 239000000446 fuel Substances 0.000 title claims abstract description 27
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000013049 sediment Substances 0.000 title abstract 8
- 230000000813 microbial effect Effects 0.000 title abstract 3
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 37
- 239000010935 stainless steel Substances 0.000 claims abstract description 37
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 230000002906 microbiologic effect Effects 0.000 claims description 24
- 239000010802 sludge Substances 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
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- Fuel Cell (AREA)
- Inert Electrodes (AREA)
Abstract
The invention relates to a sediment in-situ treatment device and a sediment in-situ treatment method utilizing a microbial fuel cell. The invention relates to sediment treatment device and method. With an existing sediment treatment technology, secondary pollution can easily be caused. The invention aims at solving the problem. The device comprises a cathode, an anode stainless steel porous plate, an actuator, an actuator, an actuator, a motor, an electric energy management and control system, an engine, and a stirrer. The sediment treatment method comprises the steps that: 1, the microbial fuel cell sediment in-situ treatment device is placed into a river or a lake; when voltage in the electric energy management and control system reaches 500mV, the engine is driven, and the stirrer starts to stir; when voltage in the electric energy management and control system is reduced to 100mV, the motor is driven, the stainless steel porous plate moves upwards, and operation is stopped; and 2, the step 1 is repeated until the anode stainless steel porous plate moves to the upper surface of the sediment. The device provided by the invention has the advantages of simple structure, low cost, and no secondary pollution. The invention belongs to the field of sludge treatment.
Description
Technical field
The present invention relates to a kind of device and method of handling bed mud.
Background technology
Existing lake or bed mud in river treatment technology (as the bed mud dredging) exist a lot of problems, and the bed mud dredging is often costly on the one hand, and the environment aftereffect of engineering also exists a lot of uncertainties on the other hand, and very easily causes the generation of secondary pollution.Microbiological fuel cell is converted into electric energy by to organic anaerobic degradation with chemical energy, produces the energy of cleaning in decontamination.This technology has obtained the laboratory and has confirmed, and has been applied in the ocean environment, and the electric energy of generation is used to drive radio temperature sensor.
Summary of the invention
The objective of the invention is provides a kind of device and method that utilizes microbiological fuel cell in-situ treatment bed mud in order to solve the technical problem that existing bed mud treatment technology easily causes secondary pollution.
Utilize the device of microbiological fuel cell in-situ treatment bed mud, described device comprises negative electrode, anode stainless steel porous plate, driver, driver, driver, electric motor, electric energy managing and control system, engine and agitator, agitator, electric energy managing and control system are connected by lead with engine, the electric energy managing and control system is connected by lead with anode stainless steel porous plate, the electric energy managing and control system is connected by lead with negative electrode, and anode stainless steel porous plate, driver, driver, driver are connected by connection cord with electric motor.
Utilize the method for microbiological fuel cell in-situ treatment bed mud as follows:
One, will utilize the device of microbiological fuel cell in-situ treatment bed mud to put into river or lake, anode stainless steel porous plate is arranged in bed mud, and negative electrode is positioned at undersurface aerobic zone, connection line, and anode stainless steel porous plate was inoculated 7 days-20 days in bed mud;
Two, the voltage in the electric energy managing and control system reaches 500mV, driving engine makes agitator begin to stir, voltage in the electric energy managing and control system is reduced to 100mV, and drivingmotor moves up anode stainless steel porous plate under the drive of driver, driver and driver, out of service;
Three, repeating step two to anode stainless steel porous plate moves to apart from the bed mud upper surface, promptly finishes and utilizes microbiological fuel cell in-situ treatment bed mud.
The present invention utilizes organic substance in the bed mud as electron donor, and airborne oxygen is as final electron acceptor(EA), produces electric energy when realizing in the bed mud organic matter degradation.The present invention is by energy managing and control system store electrical energy and control the position of anode in bed mud, has improved organic removal efficient in the bed mud, and the gained electric energy is used to drive the agitator of cathode surface.Apparatus of the present invention can be according to bed mud in river or the lake and depth of water design height, and is removable portable processor, simple structure, and cost is low, non-secondary pollution.
Description of drawings
Fig. 1 is the device synoptic diagram that the present invention utilizes microbiological fuel cell in-situ treatment bed mud.
Embodiment
Technical solution of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
Embodiment one: present embodiment is described in conjunction with Fig. 1, present embodiment is utilized the device of microbiological fuel cell in-situ treatment bed mud, described device comprises negative electrode 1, anode stainless steel porous plate 2, driver 3-1, driver 3-2, driver 3-3, electric motor 4, electric energy managing and control system 5, engine 6 and agitator 7, agitator 7, electric energy managing and control system 5 and engine 6 are connected by lead, electric energy managing and control system 5 and anode stainless steel porous plate 2 are connected by lead, electric energy managing and control system 5 and negative electrode 1 are connected anode stainless steel porous plate 2 by lead, driver 3-1, driver 3-2, driver 3-3 and electric motor 4 are connected by connection cord.
Embodiment two: what present embodiment and embodiment one were different is that described negative electrode 1 is stainless steel porous plate or carbon-point.Other is identical with embodiment one.
Embodiment three: present embodiment is different with one of embodiment one or two is that hole on the described stainless steel porous plate is circular hole or slot.Other and one of embodiment one or two are inequality.
Embodiment four: present embodiment is different with one of embodiment one to three is that hole on the described anode stainless steel porous plate 2 is circular hole or slot.Other is identical with one of embodiment one to three.
Embodiment five: present embodiment utilizes the method for microbiological fuel cell in-situ treatment bed mud as follows:
One, will utilize the device of microbiological fuel cell in-situ treatment bed mud to put into river or lake, anode stainless steel porous plate 2 is arranged in bed mud (anode stainless steel porous plate 2 is 3cm apart from the distance of river bed or lakebed), negative electrode 1 is positioned at undersurface aerobic zone, connection line, anode stainless steel porous plate 2 were inoculated 7 days-20 days in bed mud;
Two, the voltage in electric energy managing and control system 5 reaches 500mV, driving engine 6 makes agitator 7 begin to stir, voltage in electric energy managing and control system 5 is reduced to 100mV, drivingmotor 4 makes anode stainless steel porous plate 2 3cm that moves up under the drive of driver 3-1, driver 3-2 and driver 3-3, out of service;
Three, repeating step two to anode stainless steel porous plate 2 moves to the place apart from bed mud upper surface 1cm-3cm, promptly finishes and utilizes microbiological fuel cell in-situ treatment bed mud.
Embodiment six: what present embodiment and embodiment five were different is that the stainless steel of anode described in step 1 porous plate 2 is inoculated 9 days-15 days in bed mud.Other is identical with embodiment five.
Adopt following experimental verification effect of the present invention:
Test one:
Utilize the method for microbiological fuel cell in-situ treatment bed mud as follows:
One, utilizes the device of microbiological fuel cell in-situ treatment bed mud to put into diameter and be 20cm, high in the cylindrical reactor of 40cm (material is a resin glass), anode stainless steel porous plate 2 is arranged in bed mud, negative electrode 1 is positioned at the position of underwater 3cm, connection line, anode stainless steel porous plate 2 are inoculated 14 days in bed mud;
Two, the voltage in the electric energy managing and control system 5 presents unsure state in initial 14 days, voltage in electric energy managing and control system 5 is 600mV, driving engine 6 makes agitator 7 begin to stir, voltage after 120 days in the electric energy managing and control system 5 is 100mV, drivingmotor 4 makes anode stainless steel porous plate 2 3cm that moves up under the drive of driver 3-1, driver 3-2 and driver 3-3, out of service, promptly finish and utilize microbiological fuel cell in-situ treatment bed mud.
Organic content is 50g/kg (dry weight) in the bed mud in this test, in 120 days of one-period, near getting anode stainless steel porous plate 2 in 0,30,60,120 day bed mud compares with open-circuit condition (do not have closed circuit, be equivalent to common anaerobic reactor) respectively; Each time period organic removal rate is as follows:
Table 1
Claims (6)
1. utilize the device of microbiological fuel cell in-situ treatment bed mud, it is characterized in that: described device comprises negative electrode (1), anode stainless steel porous plate (2), driver (3-1), driver (3-2), driver (3-3), electric motor (4), electric energy managing and control system (5), engine (6) and agitator (7), agitator (7), electric energy managing and control system (5) is connected by lead with engine (6), electric energy managing and control system (5) is connected by lead with anode stainless steel porous plate (2), electric energy managing and control system (5) is connected by lead with negative electrode (1), anode stainless steel porous plate (2), driver (3-1), driver (3-2), driver (3-3) is connected by connection cord with electric motor (4).
2. according to the described device that utilizes microbiological fuel cell in-situ treatment bed mud of claim 1, it is characterized in that: described negative electrode (1) is stainless steel porous plate or carbon-point.
3. according to the described device that utilizes microbiological fuel cell in-situ treatment bed mud of claim 2, it is characterized in that: the hole on the described stainless steel porous plate is circular hole or slot.
4. according to the described device that utilizes microbiological fuel cell in-situ treatment bed mud of claim 1, it is characterized in that: the hole on the described anode stainless steel porous plate (2) is circular hole or slot.
5. utilize the method for microbiological fuel cell in-situ treatment bed mud, it is characterized in that utilizing the method for microbiological fuel cell in-situ treatment bed mud as follows:
One, will utilize the device of microbiological fuel cell in-situ treatment bed mud to put into river or lake, anode stainless steel porous plate (2) is arranged in bed mud, negative electrode (1) is positioned at undersurface aerobic zone, connection line, and anode stainless steel porous plate (2) was inoculated 7 days-20 days in bed mud;
Two, the voltage in electric energy managing and control system (5) reaches 500mV, driving engine (6) makes agitator (7) begin to stir, voltage in electric energy managing and control system (5) is reduced to 100mV, drivingmotor (4) makes anode stainless steel porous plate (2) 3cm that moves up under the drive of driver (3-1), driver (3-2) and driver (3-3), out of service;
Three, repeating step two to anode stainless steel porous plate (2) moves to the place apart from bed mud upper surface 1cm-3cm, promptly finishes and utilizes microbiological fuel cell in-situ treatment bed mud.
6. according to the described method of utilizing microbiological fuel cell in-situ treatment bed mud of claim 5, it is characterized in that the stainless steel of anode described in step 1 porous plate (2) inoculated 9 days-15 days in bed mud.
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| CN201310150096.5A CN103224313B (en) | 2013-04-26 | 2013-04-26 | Sediment in-situ treatment device and method utilizing microbial fuel cell |
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| CN201310150096.5A CN103224313B (en) | 2013-04-26 | 2013-04-26 | Sediment in-situ treatment device and method utilizing microbial fuel cell |
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| CN103224313A true CN103224313A (en) | 2013-07-31 |
| CN103224313B CN103224313B (en) | 2014-01-22 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787900A (en) * | 2015-04-14 | 2015-07-22 | 东南大学 | Automatic control aeration system for strengthening both water and sediment purification based on electrochemistry |
| CN110803843A (en) * | 2019-11-21 | 2020-02-18 | 同济大学浙江学院 | Device and method for jointly degrading organic matters in water body sediment by utilizing waste scrap iron and sediment microbial fuel cell |
| CN111285575A (en) * | 2019-04-13 | 2020-06-16 | 广州益禄丰生态环保科技有限责任公司 | Method and equipment for repairing urban tidal river black and odorous bottom mud by using microbial fuel cell |
| CN111606526A (en) * | 2020-05-22 | 2020-09-01 | 重庆大学 | Novel method for developing oil-based mud by treating shale gas through double-chamber microbial fuel cell |
| CN114380362A (en) * | 2022-02-16 | 2022-04-22 | 西安建筑科技大学 | Device and method for synchronously removing nitrogen and phosphorus and realizing energy production |
| CN116425298A (en) * | 2023-03-09 | 2023-07-14 | 福建省厦门环境监测中心站(九龙江流域生态环境监测中心) | Microbial fuel cell sewage treatment equipment |
| CN114380362B (en) * | 2022-02-16 | 2024-05-28 | 西安建筑科技大学 | Device and method for synchronously removing nitrogen and phosphorus and realizing productivity |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787900A (en) * | 2015-04-14 | 2015-07-22 | 东南大学 | Automatic control aeration system for strengthening both water and sediment purification based on electrochemistry |
| CN111285575A (en) * | 2019-04-13 | 2020-06-16 | 广州益禄丰生态环保科技有限责任公司 | Method and equipment for repairing urban tidal river black and odorous bottom mud by using microbial fuel cell |
| CN110803843A (en) * | 2019-11-21 | 2020-02-18 | 同济大学浙江学院 | Device and method for jointly degrading organic matters in water body sediment by utilizing waste scrap iron and sediment microbial fuel cell |
| CN111606526A (en) * | 2020-05-22 | 2020-09-01 | 重庆大学 | Novel method for developing oil-based mud by treating shale gas through double-chamber microbial fuel cell |
| CN114380362A (en) * | 2022-02-16 | 2022-04-22 | 西安建筑科技大学 | Device and method for synchronously removing nitrogen and phosphorus and realizing energy production |
| CN114380362B (en) * | 2022-02-16 | 2024-05-28 | 西安建筑科技大学 | Device and method for synchronously removing nitrogen and phosphorus and realizing productivity |
| CN116425298A (en) * | 2023-03-09 | 2023-07-14 | 福建省厦门环境监测中心站(九龙江流域生态环境监测中心) | Microbial fuel cell sewage treatment equipment |
| CN116425298B (en) * | 2023-03-09 | 2023-09-19 | 福建省厦门环境监测中心站(九龙江流域生态环境监测中心) | Microbial fuel cell sewage treatment equipment |
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