CN105858878A - Device used for treating sewage containing high-concentration degradation-resistant organic pollutants - Google Patents
Device used for treating sewage containing high-concentration degradation-resistant organic pollutants Download PDFInfo
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- CN105858878A CN105858878A CN201610262697.9A CN201610262697A CN105858878A CN 105858878 A CN105858878 A CN 105858878A CN 201610262697 A CN201610262697 A CN 201610262697A CN 105858878 A CN105858878 A CN 105858878A
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- layer
- anode
- fuel cell
- microbiological fuel
- membrane electrode
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Classifications
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- 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
- C02F3/28—Anaerobic digestion processes
-
- 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
- C02F3/005—Combined electrochemical biological processes
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
Abstract
The invention discloses a device used for treating sewage containing high-concentration degradation-resistant organic pollutants. The device comprises a three-dimensional biological membrane electrode reactor and a double-anode microbiological fuel cell, wherein sewage sequentially passes through the three-dimensional biological membrane electrode reactor and the double-anode microbiological fuel cell; the three-dimensional biological membrane electrode reactor comprises an anode layer, a filler layer and a cathode layer I in sequence; anaerobic sludge is inoculated on the filler layer; the double-anode microbiological fuel cell sequentially comprises a cathode layer II, a first anode layer and a second anode layer; the first anode layer and the second anode layer are inoculated with anaerobic sludge; the cathode layer I of the three-dimensional biological membrane electrode reactor is connected with the first anode layer and the second anode layer of the double-anode microbiological fuel cell through guide wires; an anode layer of the three-dimensional biological membrane electrode reactor is connected with the cathode layer II of the double-anode microbiological fuel cell through guide wires; and the three-dimensional biological membrane electrode reactor and the double-anode microbiological fuel cell are connected through a guide wire to form a current loop.
Description
Technical field
The present invention relates to a kind of process being coupled with three dimensional biological membrane electrode reactor and double anode microbiological fuel cell contain
There is the device of high-concentration hardly-degradable organic pollution sewage, belong to field of environment engineering.
Background technology
The processing method of high-concentration hardly-degradable organic pollution sewage is broadly divided into Physical, chemical method and bioanalysis three class side
Method.Physico-chemical process mainly has chemical oxidization method, solvent extraction, absorption method, burning method, photocatalytic method and ultrasonic
Ripple method etc.；Bioremediation mainly has Aerobic treatment method and anaerobic treatment method.Physical/chemical method is used to process
High-concentration hardly-degradable organic pollution, not only complex process, costly, and be easy to produce secondary pollution.Compare
In the defect of physico-chemical process, biological method in addition to there is the advantage of expense and operating aspect, topmost feature
It is exactly that biological method does not produce secondary pollution, especially for having at effectively process high-concentration hardly-degradable while of organic
The specified microorganisms of superperformance, the organic pollution sewage processing high-concentration hardly-degradable in this approach has environmental friendliness
Property.Recently as the deep development in terms of processing hardly degraded organic substance of the electro-biometric technology, electro-biometric technology is
Causing and pay close attention to widely, Zhou Minghua etc. make use of the three dimensional biological membrane electrode reactor with activated carbon as medium to come removably
Nitrate in lower water, find three dimensional biological membrane electrode reactor not only can denitrification denitrogenation, and can also effectively remove
Organic matter.A kind of general applicability for processing the opening of device containing high-concentration hardly-degradable organic pollution sewage
Send out necessary.
Summary of the invention
Goal of the invention: the technical problem to be solved is to provide a kind of organic for processing containing high-concentration hardly-degradable
The device of pollutant sewage, the advantage that this device has high treating effect, Non-energy-consumption, general applicability.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of for processing the device containing high-concentration hardly-degradable organic pollution sewage, react including three dimensional biological membrane electrode
Device and double anode microbiological fuel cell, wherein, sewage sequentially passes through three dimensional biological membrane electrode reactor and the micro-life of double anode
Thing fuel cell；
Described three dimensional biological membrane electrode reactor includes anode layer, packing layer and cathode layer I the most successively, described in fill out
Anaerobic sludge it is inoculated with on the bed of material；
Described double anode microbiological fuel cell includes cathode layer II, first anode layer and second plate layer the most successively,
Anaerobic sludge all it is inoculated with on described first anode layer and second plate layer；
The cathode layer I of described three dimensional biological membrane electrode reactor by wire respectively with the of double anode microbiological fuel cell
One anode layer and second plate layer connect, and the anode layer of described three dimensional biological membrane electrode reactor is micro-with double anode by wire
The cathode layer II of biological fuel cell connects, and described three dimensional biological membrane electrode reactor and double anode microbiological fuel cell lead to
Cross wire and form current loop.
Wherein, described packing layer is granular activated carbon packing layer, metallic filler layer, the glass marble packing layer of plating, stone
Ink granular filler layer or quartz sand filler layer.
Wherein, described three dimensional biological membrane electrode reactor cathode layer I material is stainless steel, carbon cloth or graphite carbon felt；Described
Three dimensional biological membrane electrode reactor anode layer material is stainless steel, carbon cloth or graphite carbon felt.
Wherein, described double anode microbiological fuel cell first anode layer material be granular activated carbon, stainless steel, carbon cloth,
Graphite granule or graphite carbon felt；Described double anode microbiological fuel cell second plate layer material is granular activated carbon, stainless
Steel, carbon cloth, graphite granule or graphite carbon felt；Described double anode microorganism fuel cell cathode layer II material is seed activity
Charcoal, stainless steel, carbon cloth, graphite granule or graphite carbon felt.
Wherein, described wire is stainless steel wire, titanium wire or copper conductor.
Wherein, the thickness of described packing layer is 15～20cm, and the anaerobic sludge of described inoculation and the volume ratio of packing layer are 1:
10。
Wherein, the thickness of described double anode microbiological fuel cell first anode layer is 10cm, and the anaerobism of described inoculation is dirty
Mud is 1: 10 with the volume ratio of first anode layer；The thickness of described double anode microbiological fuel cell second plate layer is
10cm, the anaerobic sludge of described inoculation is 1: 10 with the volume ratio of second plate layer.
Wherein, described three dimensional biological membrane electrode reactor is intake from cathode side, is additionally provided with buffering stone below described cathode layer I
Sublayer I, the thickness of described buffering stone layer I is 10cm, and buffering stone layer I can make the entrance into water uniform fluid flow anti-
In answering device, and then play the protection to packing layer surface microorganism film layer.
Wherein, described double anode microbiological fuel cell is intake from second plate side, described double anode microbiological fuel cell
Cathode layer II and first anode layer between, be all provided with between first anode layer and second plate layer and below second plate layer
There is buffering stone layer II.
Wherein, the cathode layer I of described three dimensional biological membrane electrode reactor and anode layer and double anode microbiological fuel cell
First anode layer, second plate layer and cathode layer II in be all coated with titanium wire network.
The application in terms of processing containing high concentration dye wastewater of the above-mentioned sewage-treatment plant.
The three dimensional biological membrane electrode reactor of apparatus of the present invention can effectively process the difficult degradation of high concentration under having electro photoluminescence to be had
Machine thing sewage, and improve the biodegradability of sewage；The double anode microbiological fuel cell of apparatus of the present invention is to three dimensional biological film
Hardly degraded organic substance sewage after electrode reactor process processes further and produces electric energy simultaneously, and the electric energy of generation is used for again tieing up
Hold the stable operation of three dimensional biological membrane electrode reactor.
Beneficial effect: the present invention has simple in construction for processing the device containing high-concentration hardly-degradable organic pollution sewage
Rationally, high treating effect and the advantage of Non-energy-consumption, it has general applicability, it is adaptable to process various containing high concentration
The sewage of persistent organic pollutants；It addition, apparatus of the present invention have the ability resisting high load capacity hardly degraded organic substance, have
Well application prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of sewage-treatment plant of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is described further, but the scope of protection of present invention is not
It is confined to this.
As it is shown in figure 1, the device containing high-concentration hardly-degradable organic pollution sewage for process of the present invention, including three
Dimension Bio-electro reactor 1 and double anode microbiological fuel cell 2, wherein, sewage sequentially passes through three dimensional biological film electricity
Pole reactor 1 and double anode microbiological fuel cell 2；Three dimensional biological membrane electrode reactor 1 includes sun the most successively
Pole layer 3, packing layer 4 and cathode layer I5, packing layer 4 surface seeding has anaerobic sludge, and the microbe species of its inoculation is
Degradation bacteria, packing layer 4 is made up of the activated carbon granule that hole is big, and every activated carbon forms a granule electrode, and anaerobism is micro-
Biological attachment is on granule electrode；Double anode microbiological fuel cell 2 include the most successively cathode layer II6, first
Anaerobic sludge all it is inoculated with, its inoculation on anode layer 7 and second plate layer 8, first anode layer 7 and second plate layer 8
Microbe species for producing electricity bacterium, produce electricity bacterium degrade produce electron synchrotron during glucose time the big molecule of Synergistic degradation have
Machine thing；The cathode layer I3 of three dimensional biological membrane electrode reactor 1 by wire respectively with double anode microbiological fuel cell 2
First anode layer 7 and second plate layer 8 connect, the anode layer of three dimensional biological membrane electrode reactor 11 by wire with
The cathode layer II6 of double anode microbiological fuel cell 2 connects, three dimensional biological membrane electrode reactor 1 and double anode microorganism
Fuel cell 2 forms current loop by wire.
Packing layer 4 can be granular activated carbon packing layer, it is also possible to for metallic filler layer, the glass marble packing layer of plating,
Graphite granule packing layer or quartz sand filler layer, packing layer 4 needs to form by having macroporous particle, thus has big
Specific surface area, the thickness of packing layer 4 is 15～20cm, and the volume ratio of the anaerobic sludge of inoculation and packing layer 4 is 1:
10；There is reduction reaction in the cathode layer I3 of three dimensional biological membrane electrode reactor 1, its material is stainless steel, carbon cloth or stone
Ink carbon felt；There is oxidation reaction in the anode layer 1 of three dimensional biological membrane electrode reactor 1, its material be stainless steel, carbon cloth or
Graphite carbon felt.
There is reduction reaction in first anode layer 7 and the second plate layer 8 of double anode microbiological fuel cell 2, its material is
Granular activated carbon, stainless steel, carbon cloth, graphite granule or graphite carbon felt, first anode layer 7 and the thickness of second plate layer 8
Degree is 10cm, and it is 10: 1 with the volume ratio of the anaerobic sludge of inoculation；The negative electrode of double anode microbiological fuel cell 2
There is oxidation reaction in layer II6, its material is granular activated carbon, stainless steel, carbon cloth, graphite granule or graphite carbon felt.Two
Individual anode layer produces electricity simultaneously, can strengthen the electricity generation performance of double anode microbiological fuel cell 2 greatly.
Connecting wire is stainless steel wire, titanium wire or copper conductor, and the junction connecting wire and conductive layer all uses sealing
Insulation processing.
Sewage is intake from cathode side from three dimensional biological membrane electrode reactor 1, at the negative electrode of three dimensional biological membrane electrode reactor 1
Being additionally provided with buffering stone layer I9 below layer I3, the thickness of buffering stone layer I9 is 10cm；Sewage is through three dimensional biological film electricity
After pole reactor 1, intake from the second plate side of double anode microbiological fuel cell 2, double anode microbiological fuel cell
Between cathode layer II6 and the first anode layer 7 of 2, between first anode layer 7 and second plate layer 8 and second plate
Being equipped with buffering stone layer II10 below layer 8, buffering stone layer is used for making current water distribution uniform, and then plays packing layer
4 surface microorganism film layers, first anode layer 7 surface microorganism film layer and the guarantor of second plate layer 8 surface microorganism film layer
Protect.
Three dimensional biological membrane electrode reactor 1 cathode layer I3 and anode layer 1 and double anode microbiological fuel cell 2 first
All being coated with titanium wire network in the material of anode layer 7, second plate layer 8 and cathode layer II6, titanium wire network is used for strengthening conduction
The electric conductivity of material.
The principle of apparatus of the present invention: the sun of the double anode microbiological fuel cell being made up of activated carbon or other conductive material
Pole, the product electricity bacterium in anode enrichment produces proton and electronics by degradation of organic substances, and electronics is exported product electricity bacterium extracellular,
Conducting the negative electrode to three dimensional biological membrane electrode reactor through electrode and wire, proton diffuses to double anode microbiological fuel cell
Negative electrode, the negative electrode generation oxidation reaction of double anode microbiological fuel cell, oxygen participate under water generation reaction；Three-dimensional
Anaerobe in Bio-electro reactor utilizes double anode anode of microbial fuel cell to be transferred to three dimensional biological film
The electronics of reactor negative electrode is used for degradation of organic substances, and the filler of three dimensional biological membrane reactor is the 3rd pole (particle of reactor
Electrode), anaerobe is attached on granule electrode, and redox reaction, the electronics of generation occur on granule electrode
Flow back to the negative electrode of double anode microbiological fuel cell via the anode of three dimensional biological membrane electrode reactor again, thus form loop
Produce electric current.The electric current forming loop enhances the confession of three dimensional biological membrane electrode reactor microbial degradation organic electronics
Giving, improve the three dimensional biological membrane electrode reactor disposal ability to hardly degraded organic substance, three dimensional biological membrane electrode is anti-simultaneously
Answer device to reduce the process load of high-enriched organics sewage in whole device, improve the biodegradability of sewage, thus
Promote again the further process to three dimensional biological membrane electrode water outlet of the double anode microbiological fuel cell, and then also provide enhanced double
The degradation capability of anode microbiological fuel cell and electricity generation performance.So that whole system achieves the effective of material and energy
Circulation, promotes the purified treatment effect of whole device, enhances the operation stability of system.
In apparatus of the present invention, three dimensional biological membrane electrode reactor 1 and double anode microbiological fuel cell 2 are for processing high concentration
Hardly degraded organic substance sewage has good collaborative facilitation, and the product electricity bacterium of double anode microbiological fuel cell 2 can produce
Raw electric current, the electric current of generation can stimulate the anaerobe in three dimensional biological membrane electrode reactor 1, make anaerobe
Under microelectric current, activity improves, and the ability of degradation of organic substances is improved, and also makes the biodegradability of difficult degradation sewage obtain
To improving, thus promote again the double anode microbiological fuel cell 2 further process to difficult degradation sewage.The present invention fills
Major part hardly degraded organic substance is degraded to intermediate product, double anode microorganism by the three dimensional biological membrane electrode reactor 1 in putting
When fuel cell 2 produces electron synchrotron during intermediates (intermediate product can provide carbon source for producing electricity bacterium)
Degrading remaining big molecule hardly degraded organic substance, hardly degraded organic substance can more effectively be removed by twice degradation process.
Apparatus of the present invention can add proper amount of carbon source with run duration before proceeding in sewage, and carbon source is used for promoting to produce electricity bacterium
Electricity generation ability and the co-substrate as microbial metabolism hardly degraded organic substance.
Apparatus of the present invention are applicable to process high-concentration hardly-degradable organic matter sewage, and its COD clearance can reach more than 90%.
Obviously, above-described embodiment is only for clearly demonstrating example of the present invention, and is not the reality to the present invention
Execute the restriction of mode.For those of ordinary skill in the field, can also be made it on the basis of the above description
The change of its multi-form or variation.Here without also cannot all of embodiment be given exhaustive.And these belong to this
What the spirit of invention was extended out obviously changes or changes among still in protection scope of the present invention.
Claims (10)
1. the device containing high-concentration hardly-degradable organic pollution sewage for process, it is characterised in that: include three
Dimension Bio-electro reactor and double anode microbiological fuel cell, wherein, it is anti-that sewage sequentially passes through three dimensional biological membrane electrode
Answer device and double anode microbiological fuel cell；
Described three dimensional biological membrane electrode reactor includes anode layer, packing layer and cathode layer I the most successively, described in fill out
Anaerobic sludge it is inoculated with on the bed of material；
Described double anode microbiological fuel cell includes cathode layer II, first anode layer and second plate layer the most successively,
Anaerobic sludge all it is inoculated with on described first anode layer and second plate layer；
The cathode layer I of described three dimensional biological membrane electrode reactor by wire respectively with the of double anode microbiological fuel cell
One anode layer and second plate layer connect, and the anode layer of described three dimensional biological membrane electrode reactor is micro-with double anode by wire
The cathode layer II of biological fuel cell connects, and described three dimensional biological membrane electrode reactor and double anode microbiological fuel cell lead to
Cross wire and form current loop.
The most according to claim 1 for processing the device containing high-concentration hardly-degradable organic pollution sewage, its
It is characterised by: described packing layer is granular activated carbon packing layer, metallic filler layer, the glass marble packing layer of plating, stone
Ink granular filler layer or quartz sand filler layer.
The most according to claim 1 for processing the device containing high-concentration hardly-degradable organic pollution sewage, its
It is characterised by: described three dimensional biological membrane electrode reactor cathode layer I material is stainless steel, carbon cloth or graphite carbon felt；Described
Three dimensional biological membrane electrode reactor anode layer material is stainless steel, carbon cloth or graphite carbon felt.
The most according to claim 1 for processing the device containing high-concentration hardly-degradable organic pollution sewage, its
Be characterised by: described double anode microbiological fuel cell first anode layer material be granular activated carbon, stainless steel, carbon cloth,
Graphite granule or graphite carbon felt；Described double anode microbiological fuel cell second plate layer material is granular activated carbon, stainless
Steel, carbon cloth, graphite granule or graphite carbon felt；Described double anode microorganism fuel cell cathode layer II material is seed activity
Charcoal, stainless steel, carbon cloth, graphite granule or graphite carbon felt.
The most according to claim 1 for processing the device containing high-concentration hardly-degradable organic pollution sewage, its
It is characterised by: described wire is stainless steel wire, titanium wire or copper conductor.
The most according to claim 1 for processing the device containing high-concentration hardly-degradable organic pollution sewage, its
Being characterised by: the thickness of described packing layer is 15～20cm, the anaerobic sludge of described inoculation and the volume ratio of packing layer are 1:
10。
The most according to claim 1 for processing the device containing high-concentration hardly-degradable organic pollution sewage, its
Being characterised by: the thickness of described double anode microbiological fuel cell first anode layer is 10cm, the anaerobism of described inoculation is dirty
Mud is 1: 10 with the volume ratio of first anode layer；The thickness of described double anode microbiological fuel cell second plate layer is
10cm, the anaerobic sludge of described inoculation is 1: 10 with the volume ratio of second plate layer.
The most according to claim 1 for processing the device containing high-concentration hardly-degradable organic pollution sewage, its
It is characterised by: described three dimensional biological membrane electrode reactor is intake from cathode side, is additionally provided with buffering stone below described cathode layer I
Sublayer I, the thickness of described buffering stone layer I is 10cm.
The most according to claim 1 for processing the device containing high-concentration hardly-degradable organic pollution sewage, its
It is characterised by: described double anode microbiological fuel cell is intake from second plate side, described double anode microbiological fuel cell
Cathode layer II and first anode layer between, be all provided with between first anode layer and second plate layer and below second plate layer
There is buffering stone layer II.
The most according to claim 1 for processing the device containing high-concentration hardly-degradable organic pollution sewage, its
It is characterised by: the cathode layer I of described three dimensional biological membrane electrode reactor and anode layer and double anode microbiological fuel cell
First anode layer, second plate layer and cathode layer II in be all coated with titanium wire network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610262697.9A CN105858878A (en) | 2016-04-25 | 2016-04-25 | Device used for treating sewage containing high-concentration degradation-resistant organic pollutants |
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| CN201610262697.9A CN105858878A (en) | 2016-04-25 | 2016-04-25 | Device used for treating sewage containing high-concentration degradation-resistant organic pollutants |
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| CN105858878A true CN105858878A (en) | 2016-08-17 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106957120A (en) * | 2017-04-17 | 2017-07-18 | 中国石油大学(北京) | Oil-containing sewage treatment system |
| CN106977044A (en) * | 2017-03-27 | 2017-07-25 | 南京工业大学 | The composite anaerobic Waste Water Treatment and technique of a kind of three-dimensional micro- electromagnetic field driving reinforcing of photovoltaic |
| CN110407324A (en) * | 2019-07-04 | 2019-11-05 | 大连海洋大学 | A kind of biological membrane electrode coupling constructed wetland reactor and its sewage water treatment method |
| CN111675432A (en) * | 2020-06-16 | 2020-09-18 | 河海大学 | Flow type sediment-based biochar electrochemical denitrification filter device |
| CN115318821A (en) * | 2022-08-10 | 2022-11-11 | 东南大学 | Microbial electrochemical device and method for removing composite heavy metals in soil |
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| US20090324998A1 (en) * | 2008-06-30 | 2009-12-31 | Xerox Corporation | Scalable Microbial Fuel Cell and Method of Manufacture |
| CN105236686A (en) * | 2015-10-30 | 2016-01-13 | 东南大学 | Sewage treatment method for purifying refractory organic pollutants |
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2016
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090324998A1 (en) * | 2008-06-30 | 2009-12-31 | Xerox Corporation | Scalable Microbial Fuel Cell and Method of Manufacture |
| CN105236686A (en) * | 2015-10-30 | 2016-01-13 | 东南大学 | Sewage treatment method for purifying refractory organic pollutants |
Non-Patent Citations (1)
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| 张立东等: "污水脱氮除磷的研究", 《广东化工》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106977044A (en) * | 2017-03-27 | 2017-07-25 | 南京工业大学 | The composite anaerobic Waste Water Treatment and technique of a kind of three-dimensional micro- electromagnetic field driving reinforcing of photovoltaic |
| CN106977044B (en) * | 2017-03-27 | 2020-12-29 | 南京工业大学 | Photovoltaic three-dimensional micro-electricity-magnetic field drive reinforced composite anaerobic wastewater treatment system and process |
| CN106957120A (en) * | 2017-04-17 | 2017-07-18 | 中国石油大学(北京) | Oil-containing sewage treatment system |
| CN110407324A (en) * | 2019-07-04 | 2019-11-05 | 大连海洋大学 | A kind of biological membrane electrode coupling constructed wetland reactor and its sewage water treatment method |
| CN110407324B (en) * | 2019-07-04 | 2022-02-22 | 大连海洋大学 | Biomembrane electrode coupling artificial wetland reactor and sewage treatment method thereof |
| CN111675432A (en) * | 2020-06-16 | 2020-09-18 | 河海大学 | Flow type sediment-based biochar electrochemical denitrification filter device |
| CN111675432B (en) * | 2020-06-16 | 2021-09-28 | 河海大学 | Flow type sediment-based biochar electrochemical denitrification filter device |
| CN115318821A (en) * | 2022-08-10 | 2022-11-11 | 东南大学 | Microbial electrochemical device and method for removing composite heavy metals in soil |
| CN115318821B (en) * | 2022-08-10 | 2023-08-18 | 东南大学 | Microbial electrochemical device and method for removing composite heavy metals in soil |
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