CN204643965U - Overflow type electrochemica biological membrane reactor - Google Patents
Overflow type electrochemica biological membrane reactor Download PDFInfo
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- CN204643965U CN204643965U CN201520074880.7U CN201520074880U CN204643965U CN 204643965 U CN204643965 U CN 204643965U CN 201520074880 U CN201520074880 U CN 201520074880U CN 204643965 U CN204643965 U CN 204643965U
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Abstract
The utility model discloses a kind of overflow type electrochemica biological membrane reactor.Circular anode room is provided with, for growing the circular anode of electrogenesis microorganism, cathode compartment and ring shaped conductive separatory membrane in its reaction vessel; Anolyte compartment and cathode compartment are respectively anaerobism, aerobic environment, and anode is placed in circular anode indoor, and ring shaped conductive separatory membrane is placed in cathode compartment; Cathode compartment is located in the inner ring of circular anode room, between the outer wall of cathode compartment and the outer wall of the inner ring wall of circular anode room, form passage; The water-in of anolyte compartment is lower than its water outlet; Cathode compartment water-in is lower than anolyte compartment's water outlet, and anolyte compartment's water outlet is communicated with cathode compartment water-in by passage; Cathode compartment liquid level is higher than anolyte compartment's liquid level; Cathode compartment water outlet is higher than its water-in, and cathode compartment water outlet is lower than the liquid level of cathode compartment; Cathode compartment is also provided with air outlet; One end of electroconductibility separatory membrane is closed, and the other end connects cathode compartment water outlet by rising pipe; External resistance is in series with between anode and electroconductibility separatory membrane.
Description
Technical field
The utility model relates to the technical field of the membrane bioreactor in a kind of biological wastewater treatment, particularly a kind of overflow type electrochemica biological membrane reactor.
Background technology
The shortage of energy and water resources is two significant challenge that the whole world faces.Widely used process for town sewage treatment comprises conventional activated sludge process and distortion, as anaerobic-anoxic-oxic method (A
2o) technique, oxidation ditch process, sequencing batch active sludge (SBR) technique etc.These techniques are good to the removal effect of pollutent, but operation energy consumption is high, excess sludge production is large.In fact, contained huge energy in sewage, 1kg chemical oxygen demand (COD) (COD) complete oxidation is water and CO
2can produce the energy of 3.86kWh in theory, if sanitary sewage is in 400 mg/L COD, then contained energy is 1.544kWh/m3, is 5.3 times of wastewater treatment in China factory and office reason 1m3 sewage average current drain.The appearance of microbiological fuel cell (MFC) in recent years and fast development, also achieve and reclaim electric energy from waste water, but also there is the low energy efficiency that causes of biomass and sewage treatment load is low and effluent quality is poor shortcoming.
Chinese patent ZL201110134094.8 provides a kind of bioelectrochemistry membrane reactor device.Membrane bioreactor (MBR) and MFC are coupled by this device, can while biological wastewater treatment, reclaim electric energy and obtain good effluent quality, but the anolyte compartment in said system and the isolation of cathode compartment need ion selectivity through film, this makes the cost of reactor improve greatly.
Therefore, there is provided a kind of can while biological wastewater treatment, reclaim electric energy and obtain good effluent quality, and utilize the fluidised form of reactor thus do not need ion selectivity through the overflow type electrochemica biological membrane reactor of film, reduce reactor cost, become the major issue that those skilled in the art's volume is to be solved.
Utility model content
The purpose of this utility model is to provide a kind of overflow type electrochemica biological membrane reactor.
For achieving the above object, technical solution adopted in the utility model is:
The utility model overflow type electrochemica biological membrane reactor comprises reaction vessel, is provided with circular anode room, for growing the circular anode of electrogenesis microorganism, cathode compartment and ring shaped conductive separatory membrane in described reaction vessel; Described circular anode indoor are anaerobic environment, and described cathode compartment is aerobic environment, and described anode is placed in circular anode indoor, and described ring shaped conductive separatory membrane is placed in cathode compartment; Described cathode compartment is located in the inner ring of circular anode room, and forms passage between the outer wall of cathode compartment and the outer wall of the inner ring wall of circular anode room; Circular anode room is provided with anolyte compartment's water-in, anolyte compartment's water outlet, and cathode compartment is provided with cathode compartment air outlet, cathode compartment water-in and cathode compartment water outlet; Described anolyte compartment water-in is lower than anolyte compartment's water outlet; Described cathode compartment water-in is lower than anolyte compartment's water outlet, and described anolyte compartment water outlet is communicated with cathode compartment water-in by described passage; The liquid level of cathode compartment is higher than the liquid level of anolyte compartment; Cathode compartment water outlet is higher than cathode compartment water-in, and described cathode compartment water outlet is lower than the liquid level of cathode compartment; One end of described electroconductibility separatory membrane is closed, and the other end connects described cathode compartment water outlet by rising pipe, flows to the outside of described reactor to make the waste water in cathode compartment via described rising pipe; External resistance is in series with between described anode and described electroconductibility separatory membrane.
Further, the utility model also comprises apparatus of oxygen supply, and the oxygen from described apparatus of oxygen supply enters in described cathode compartment via cathode compartment water-in.
Further, apparatus of oxygen supply described in the utility model comprises the aeration head and pneumatic pump that are interconnected, and wherein, described aeration head is placed in cathode compartment water inlet, and described pneumatic pump is placed in outside described reaction vessel.
Further, the inwall of reaction vessel described in the utility model is as the inwall of the collar wall of circular anode room.
Further, described anolyte compartment described in the utility model water-in is located at the bottom of anolyte compartment, and anolyte compartment's water outlet is located at the top of anolyte compartment, and described cathode compartment water-in is located at the bottom of cathode compartment, and cathode compartment water outlet is located at the top of cathode compartment.
Further, cathode compartment described in the utility model is stretched out by the top of reaction vessel, and is tightly connected between the top of described reaction vessel and the outer wall of cathode compartment; The height of the inner ring wall of described circular anode room, lower than the top of described reaction vessel, forms described anolyte compartment water outlet thus between the inner ring wall and the top of reaction vessel of described circular anode room.
Further, the bottom of cathode compartment described in the utility model is higher than the bottom of reaction vessel, and described cathode compartment water-in is located at the bottom of described cathode compartment.
Further, the top of cathode compartment described in the utility model is uncovered shape, and this is uncovered is described cathode compartment air outlet.
Further, the bottom end closure of electroconductibility separatory membrane described in the utility model, top connects described cathode compartment water outlet by rising pipe.
Further, the volume of anode described in the utility model is 1/3 ~ 2/3 of the volume of described anolyte compartment.
Compared with prior art, the beneficial effect that the utility model has is: (1) adopts the anaerobe reaction of anolyte compartment and the aerobe reacting phase coupling of cathode compartment, and the removal of strengthening pollutent realizes reclaiming electric energy in the process of process waste water simultaneously; (2) the utility model adopts electroconductibility separatory membrane as the negative electrode of reactor, electric energy can not only be reclaimed in operational process, one deck microbial film can be formed on the surface of electroconductibility separatory membrane simultaneously, retain mud flco and suspended particle, thus increase water quality, played efficiently retaining and the advantage of selective separation and microbiological fuel cell (MFC) production capacity of membrane bioreactor (MBR), the cost simultaneously also overcoming MBR be high, the problem of MFC effluent quality difference; (3) utilize space between the inwall of anolyte compartment and the outer wall of cathode compartment as physical barrier, effectively can block the diffusion of oxygen from cathode compartment anode room, ensure the absolute anaerobic environment of anolyte compartment, reached the object transmitting proton from anolyte compartment to the overflow of cathode compartment by waste water simultaneously, therefore utilize the fluidised form of reactor thus do not need ion selectivity through film, reducing reactor cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model overflow type electrochemica biological membrane reactor.
Fig. 2 is the vertical view of Fig. 1.
In figure: 1-anolyte compartment water-in, 2-anolyte compartment, 3-passage, 4-cathode compartment, 5-microbial film, 6-electroconductibility separatory membrane, 7-rising pipe; 8-liquid level pressure reduction, 9-anode, 10-external resistance, 11-aeration head, 12-pneumatic pump, 13-anolyte compartment water outlet, the inner ring wall of 14-circular anode room, 15-cathode compartment water-in, 16-cathode compartment water outlet, 17-cathode compartment air outlet, 18-reaction vessel.
Embodiment
As shown in Figure 1, the utility model overflow type electrochemica biological membrane reactor comprises reaction vessel 18, is provided with circular anode room 2, for growing the circular anode 9 of electrogenesis microorganism, cathode compartment 4 and ring shaped conductive separatory membrane 6 in reaction vessel 18.The utility model reactor can inoculate the anaerobic sludge having electrogenesis microorganism in anolyte compartment 2, in cathode compartment 4, inoculate aerobic sludge, thus makes in circular anode room 2 to be anaerobic environment, and cathode compartment 4 is aerobic environment.Anode 9 is placed in circular anode room 2, and anode is near the inner ring wall of circular anode room 2.Ring shaped conductive separatory membrane 6 is placed in cathode compartment 4.Cathode compartment 4 is located in the inner ring of circular anode room 2, and forms passage 3 between the outer wall of cathode compartment 4 and the outer wall of the inner ring wall of circular anode room 2.Circular anode room 2 is provided with anolyte compartment's water-in 1, anolyte compartment's water outlet 13, and cathode compartment 4 is provided with cathode compartment air outlet 17, cathode compartment water-in 15 and cathode compartment water outlet 16.Anolyte compartment's water-in 1 is lower than anolyte compartment's water outlet 13.Cathode compartment water-in 15 is lower than anolyte compartment's water outlet 13, anolyte compartment's water outlet 13 is communicated with cathode compartment water-in 15 by passage 3, thus make the waste water overflowed in circular anode room 2 via passage 3, flow into cathode compartment 4 by cathode compartment water-in 13, and make the liquid level of cathode compartment 4 higher than the liquid level of anolyte compartment 2.Cathode compartment water outlet 16 is higher than cathode compartment water-in 15, and cathode compartment water outlet 16 is lower than the liquid level of cathode compartment 4.The bottom end closure of electroconductibility separatory membrane 6, top then connects cathode compartment water outlet 16 by rising pipe 7.Therefore can utilize the liquid level pressure reduction 8 that formed between the liquid level of cathode compartment 4 and cathode compartment water outlet 16 and make the waste water of the process in cathode compartment be guided to the outside of the utility model reactor by cathode compartment water outlet 16 through rising pipe 7.External resistance 10 is in series with between anode 9 and electroconductibility separatory membrane 6.
The utility model by apparatus of oxygen supply for cathode compartment 4 provides oxygen.Oxygen from apparatus of oxygen supply enters in cathode compartment 4 via cathode compartment water-in 15.As a kind of embodiment of the present utility model, apparatus of oxygen supply can be made up of the aeration head 11 be interconnected and pneumatic pump 12.Wherein, aeration head 11 is placed in cathode compartment water-in 15 place, and pneumatic pump 12 is placed in outside described reaction vessel 18, and aeration head 11 is communicated with pneumatic pump 12 by the airway through reaction container bottom.
As a kind of preferred implementation of the present utility model, the inwall directly using the inwall of reaction vessel 18 as the collar wall of circular anode room 2.Anolyte compartment's water-in 1 is located at the bottom of anolyte compartment 2, anolyte compartment's water outlet 13 is located at the top of circular anode room 2, such as, the height of the inner ring wall of circular anode room 2 can be made lower than the top of described reaction vessel 18, between the inner ring wall and the top of reaction vessel 18 of circular anode room 2, form anolyte compartment's water outlet 13 thus.
Cathode compartment water-in 15 is located at the bottom of cathode compartment 4, and cathode compartment water outlet 16 is located at the top of cathode compartment 4.Cathode compartment 4 is stretched out by the top of reaction vessel 18, thus ensures that the liquid level of cathode compartment 4 can higher than the liquid level of anolyte compartment 2; Further, be tightly connected between the top of reaction vessel 18 and the outer wall of cathode compartment 4, thus ensure that in circular anode room 2 be anaerobic environment.
As the embodiment of a kind of compact construction of the present utility model, the bottom of cathode compartment 4 is higher than the bottom of reaction vessel 18, and cathode compartment water-in 15 is located at the bottom of cathode compartment 4.More preferably, cathode compartment water-in 15 is designed to horn-like.In addition, preferably the top of cathode compartment 4 is set to uncovered shape, this is uncovered is cathode compartment air outlet 17.
During the work of the utility model overflow type electrochemica biological membrane reactor, first waste water is incorporated in anolyte compartment 2, by in the passage 3 that formed between anolyte compartment's water outlet 13 overflow to the outer wall and the outer wall of cathode compartment 4 of the inner ring wall of anolyte compartment 2 after anolyte compartment 2 anaerobic treatment, and then flow in cathode compartment 4 through cathode compartment water-in 15.Owing to being provided with electroconductibility separatory membrane 6 in cathode compartment 4, one end of electroconductibility separatory membrane 6 is closed, and the other end connects rising pipe 7.Along with the operation of reactor, microbes forms microbial film 5 on electroconductibility separatory membrane 6, becomes large, thus causes the liquid level of cathode compartment 4 higher than cathode compartment water outlet 16, form liquid level pressure reduction 8 between the two by the pressure of fenestra.Under the existence of liquid level pressure reduction 8, waste water enters in film by the fenestra of electroconductibility separatory membrane 6, is then guided to the outside of the utility model reactor by cathode compartment water outlet 16 through rising pipe 7.Reactor can inoculate the anaerobic sludge having electrogenesis microorganism in anolyte compartment 2, in cathode compartment 4, inoculate aerobic sludge.From the sewage of outside when the anolyte compartment 2, the oxidation operation in the electrogenesis microorganism catalysis waste water on anode 9 decomposes and produces electronics and proton, and the reaction formula of its principal reaction is: CH
3cOO
-+ 4H
2o → 2HCO
3 -+ 9H
++ 8e
-.Wherein, produced electronics exports on anode 9 by electrogenesis microorganism, and the stream of electrons on anode 9 arrives on negative electrode (i.e. electroconductibility separatory membrane 6) through external resistance 10; Produced proton then flow in cathode compartment 4 via passage 3 from anolyte compartment 2 with waste water by electrogenesis microorganism.Proton in electronics on electroconductibility separatory membrane 6 and cathode compartment 4 and oxygen reaction finally generate water, and the reaction formula of its principal reaction is: 4H
++ 4e
-+ O
2→ 2H
2o.Oxygen in cathode compartment 4 provides primarily of apparatus of oxygen supply.In addition, waste water flow to after in cathode compartment 4 through passage 3 from anolyte compartment 2, in waste water containing nitrogen compound under the catalysis of cathode microbial, the reactions such as nitrated and denitrification occur, and the reaction formula of its principal reaction is: NH
4 ++ 2O
2→ NO
3 -+ H
2o+2H
+, 2NO
3 -+ 12H
++ 10e
-→ N
2+ 6H
2o, finally generates nitrogen thus and is discharged by cathode compartment air outlet 17, thus realize the removal of total nitrogen.
Anolyte compartment 2 of the present utility model is preferably closed, like this can the anaerobic environment of holding anode room 2; The top of cathode compartment 4, preferably in uncovered shape, makes the nitrogen generated in cathode compartment 4 to get rid of from cathode compartment air outlet well, facilitates the aeration of cathode compartment 4 simultaneously.
Anolyte compartment 2 and electroconductibility separatory membrane 6 are preferably ring structure.Cathode compartment 4 is placed in the inner ring of circular anode room 2, circular anode room 2 is made to surround cathode compartment 4, and electroconductibility separatory membrane 6 is placed in cathode compartment 4, thus whole structure of reactor both can be kept compact, make again the volume maximization of anolyte compartment 2, cathode compartment 4 and electroconductibility separatory membrane 6.
Passage 3 serves dual function in the utility model reactor: one is as the physical barrier between anolyte compartment 2 and cathode compartment 4, effectively can block the diffusion of oxygen from cathode compartment 4 anode room 2, ensures the absolute anaerobic environment of anolyte compartment 2; Two is as the passage between jointed anode room 2 and cathode compartment 4, waste water in anolyte compartment 2 can be made from anolyte compartment's water outlet 13 overflow to passage 3, then flow in cathode compartment 4 via cathode compartment water-in 15, thus reaches the object transmitting proton.The height of circular anode 9 is less than or equal to the height of the inner ring wall 14 of circular anode room 2, and the height of the inner ring wall 14 of circular anode room 2 is lower than the height of reaction vessel 18, thus space is formed between inner ring wall 14 and the top of reaction vessel 18, this space is anolyte compartment's water outlet 13, and the size of anolyte compartment's water outlet 13 is advisable to facilitate the waste water in anolyte compartment 2 to flow out.The bottom of cathode compartment 4 offers cathode compartment water-in 15.Leave enough gaps between the bottom of cathode compartment 4 and the bottom of reaction vessel 18, the size in this gap is advisable to facilitate the waste water in anolyte compartment 2 to flow into cathode compartment 4.Thus, through cathode compartment 4 can be flow into from the cathode compartment water-in 15 being positioned at below by after passage 3 after waste water is overflowed by the anolyte compartment's water outlet 13 being positioned at top, this fluidised form makes the utility model reactor not need to use ion selectivity through film, can reduce reactor cost.
In the utility model, the cathode compartment water-in 15 be located at bottom cathode compartment 4 is preferably horn-like, and waste water can be made to flow to cathode compartment 4 from anolyte compartment 2 reposefully through passage 3 better.
Anode 9 can select thickness to be the carbon felt of 5mm, shape ringwise, and the volume of anode 9 is preferably 1/3 ~ 2/3 of anolyte compartment 2 volume, to maintain the flow effect of waste water in anolyte compartment 2 and to ensure that the total amount of the electrogenesis microorganism in anolyte compartment 2 is sufficient.
Electroconductibility separatory membrane 6 is preferably the Stainless Steel Cloth in 20 ~ 200 μm, aperture, at the utility model overflow type electrochemica biological membrane reactor in operational process, electroconductibility separatory membrane 6 is as negative electrode, the surface of its stainless (steel) wire (i.e. negative electrode) can form one deck microbial film 5, retain mud flco and suspended particle, thus increase water quality.Meanwhile, the microorganism in microbial film 5 can catalytic reduction oxygen, and also comprise nitrobacteria and denitrifying bacterium in microbial film 5 and can remove nitrogenous compound in waste water, finally becomes nitrogen and discharge.Electroconductibility separatory membrane 6, as biological-cathode, avoids the use of noble metal catalyst, reduces the cost of device.
When the COD of the waste water entering anolyte compartment 2 from anolyte compartment's water-in 1 is 288 ~ 312mg/L, when the HRT in anolyte compartment 2 is 1.8 ~ 18.5h, the utility model overflow type electrochemica biological membrane reactor is 85.3% ~ 94.9% to the clearance of COD.When the ammonia nitrogen concentration of the waste water entering anolyte compartment 2 from anolyte compartment's water-in 1 is 29.8 ~ 34.8mg/L, the utility model overflow type electrochemica biological membrane reactor is 92.1% ~ 98.9% to the clearance of ammonia nitrogen, is 45.8% ~ 82.1% to the clearance of total nitrogen.
0.43 ~ 4.33kg COD/ (m is chosen as at volumetric loading
3d), time, the coulombic efficiency of the utility model overflow type electrochemica biological membrane reactor is 0.71 ~ 13.1%, and maximum power density is 3.82W/m
3, maximum current density is 16.52A/m
3, delivery turbidity is 0.61 ~ 2.32NTU.
As fully visible, the utility model overflow type electrochemica biological membrane reactor can reclaim electric energy and obtain good effluent quality while carrying out a biological disposal upon to waste water, and utilize the fluidised form of reactor thus do not need ion selectivity through film, reducing the cost of reactor.
Claims (10)
1. an overflow type electrochemica biological membrane reactor, it is characterized in that: comprise reaction vessel (18), in described reaction vessel (18), being provided with circular anode room (2), for growing the circular anode (9) of electrogenesis microorganism, cathode compartment (4) and ring shaped conductive separatory membrane (6); Be anaerobic environment in described circular anode room (2), described cathode compartment (4) is aerobic environment, and described anode (9) is placed in circular anode room (2), and described ring shaped conductive separatory membrane (6) is placed in cathode compartment (4); Described cathode compartment (4) is located in the inner ring of circular anode room (2), and forms passage (3) between the outer wall of cathode compartment (4) and the outer wall of the inner ring wall of circular anode room (2); Circular anode room (2) is provided with anolyte compartment's water-in (1) and anolyte compartment's water outlet (13), and cathode compartment (4) is provided with cathode compartment air outlet (17), cathode compartment water-in (15) and cathode compartment water outlet (16); Described anolyte compartment water-in (1) is lower than anolyte compartment's water outlet (13); Described cathode compartment water-in (15) is lower than anolyte compartment's water outlet (13), and described anolyte compartment water outlet (13) is communicated with cathode compartment water-in (15) by described passage (3); The liquid level of cathode compartment (4) is higher than the liquid level of anolyte compartment (2); Cathode compartment water outlet (16) is higher than cathode compartment water-in (15), and described cathode compartment water outlet (16) is lower than the liquid level of cathode compartment (4); One end of described electroconductibility separatory membrane (6) is closed, and the other end connects described cathode compartment water outlet (16) by rising pipe (7), flows to the outside of described reactor to make the waste water in cathode compartment (4) via described rising pipe (7); External resistance (10) is in series with between described anode (9) and described electroconductibility separatory membrane (6).
2. electrochemica biological membrane reactor according to claim 1, is characterized in that: also comprise apparatus of oxygen supply, and the oxygen from described apparatus of oxygen supply enters in described cathode compartment (4) via cathode compartment water-in (15).
3. electrochemica biological membrane reactor according to claim 2, it is characterized in that: described apparatus of oxygen supply comprises the aeration head (11) and pneumatic pump (12) that are interconnected, wherein, described aeration head (11) is placed in cathode compartment water-in (15) place, and described pneumatic pump (12) is placed in described reaction vessel (18) outward.
4. electrochemica biological membrane reactor according to claim 1 and 2, is characterized in that: the inwall of described reaction vessel (18) is as the inwall of the collar wall of circular anode room (2).
5. electrochemica biological membrane reactor according to claim 4, it is characterized in that: described anolyte compartment water-in (1) is located at the bottom of anolyte compartment (2), described anolyte compartment water outlet (13) is located at the top of anolyte compartment (2), described cathode compartment water-in (15) is located at the bottom of cathode compartment (4), and cathode compartment water outlet (16) is located at the top of cathode compartment (4).
6. the electrochemica biological membrane reactor according to claim 1,2 or 5, is characterized in that: described cathode compartment (4) is stretched out by the top of reaction vessel (18), and is tightly connected between the outer wall of the top of described reaction vessel (18) and cathode compartment (4); The height of the inner ring wall of described circular anode room (2), lower than the top of described reaction vessel (18), forms described anolyte compartment water outlet (13) thus between the inner ring wall and the top of reaction vessel (18) of described circular anode room (2).
7. electrochemica biological membrane reactor according to claim 6, is characterized in that: the top of described cathode compartment (4) is uncovered shape, and this is uncovered is described cathode compartment air outlet (17).
8. the electrochemica biological membrane reactor according to claim 1,2,5 or 7, is characterized in that: the bottom of described cathode compartment (4) is higher than the bottom of reaction vessel (18), and described cathode compartment water-in (15) is located at the bottom of described cathode compartment (4).
9. electrochemica biological membrane reactor according to claim 8, is characterized in that: the bottom end closure of described electroconductibility separatory membrane (6), and top connects described cathode compartment water outlet (16) by rising pipe (7).
10. the electrochemica biological membrane reactor according to claim 1,2,5,7 or 9, is characterized in that: the volume of described anode is 1/3 ~ 2/3 of the volume of described anolyte compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520074880.7U CN204643965U (en) | 2015-02-03 | 2015-02-03 | Overflow type electrochemica biological membrane reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520074880.7U CN204643965U (en) | 2015-02-03 | 2015-02-03 | Overflow type electrochemica biological membrane reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204643965U true CN204643965U (en) | 2015-09-16 |
Family
ID=54096731
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520074880.7U Withdrawn - After Issue CN204643965U (en) | 2015-02-03 | 2015-02-03 | Overflow type electrochemica biological membrane reactor |
Country Status (1)
| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104628133A (en) * | 2015-02-03 | 2015-05-20 | 浙江大学 | Overflow type electrochemical biological membrane reactor |
| CN105731640A (en) * | 2016-03-21 | 2016-07-06 | 浙江大学 | Magnetite-enhanced biological electrode coupled UASB (upflow anaerobic sludge bed/blanket) apparatus and operation method |
-
2015
- 2015-02-03 CN CN201520074880.7U patent/CN204643965U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104628133A (en) * | 2015-02-03 | 2015-05-20 | 浙江大学 | Overflow type electrochemical biological membrane reactor |
| CN105731640A (en) * | 2016-03-21 | 2016-07-06 | 浙江大学 | Magnetite-enhanced biological electrode coupled UASB (upflow anaerobic sludge bed/blanket) apparatus and operation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150916 Effective date of abandoning: 20160629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |