CN204490676U - The diphasic anaerobic tubular membrane bio-reactor of process organic waste water - Google Patents
The diphasic anaerobic tubular membrane bio-reactor of process organic waste water Download PDFInfo
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- CN204490676U CN204490676U CN201420804361.7U CN201420804361U CN204490676U CN 204490676 U CN204490676 U CN 204490676U CN 201420804361 U CN201420804361 U CN 201420804361U CN 204490676 U CN204490676 U CN 204490676U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
A kind of diphasic anaerobic tubular membrane bio-reactor: up-flow combined type acidogenic reactor connects with complete hybrid methane-producing reactor; Complete hybrid methane-producing reactor is connected with tubular membrane component by recycle pump; The water outlet port of tubular membrane component is divided into the product mouth of a river and circulation port, and wherein circulation port connects with complete hybrid methane-producing reactor; The methane outlet of complete hybrid methane-producing reactor is connected with gas metering system, gas metering system is divided into air water separator and gas meter, the aerogenesis of complete hybrid methane-producing reactor is connected to air water separator, the pneumatic outlet of air water separator is connected to gas meter, and the liquid exit of air water separator is attached to complete hybrid methane-producing reactor by pipeline; Wherein, up-flow combined type acidogenic reactor inside is divided into multiple reaction chamber, and the water-in of each reaction chamber is positioned at bottom, and water outlet is positioned at top, and make each reaction chamber be upward flow, the water-in of each reaction chamber and water outlet are for connect step by step.
Description
Technical field
The utility model belongs to wastewater treatment and technical field of new energies, relates to a kind of organic waste-water treating apparatus particularly, and more specifically, organic waste-water treating apparatus of the present utility model refers to diphasic anaerobic tubular membrane bio-reactor.
Background technology
As a kind of high concentrated organic wastewater, agricultural and sideline food processing industry waste water with 6.0% industrial discharge total amount discharged 11.4% industrial COD
crpollutent (yearbook in 2010), has typicalness.Agricultural and sideline food processing industry contaminated wastewater substrate concentration is high, quantity discharged is large and qualified discharge rate is low, having a high potential of pollution emission reduction and resource utilization.According to yearbook statistics, agricultural and sideline food processing industry (comprising corn processed, livestock and poultry cultivation etc.) wastewater discharge 13.2 × 10 in 2010
8t, rank the 4th in 41 classification industries, and emission compliance rate is only the 37th.Wherein outstanding pollutent COD
cryear discharge 49.6 × 10
4t, rank the 2nd.Along with the increasing of national pollution emission reduction dynamics and No.1 Central File promote the large-scale development of professional rich and influential family, home farm, peasant cooperative society etc. energetically, long-term stability increases by agricultural and sideline food processing industry.Meanwhile, the trade effluent standards such as the starch newly put into effect, sugaring and alcohol improve COD
cremission standard, the technical requirements of agricultural and sideline food processing industry wastewater treatment and resource utilization improves rapidly
High concentration organic contaminant (chemical oxygen demand, COD
cr) be the restricted pollutent of this kind of discharged wastewater met the national standard, existing mainstream technology is the combination process of anaerobism, aerobic and materialization.Typical technical process is as the anaerobic-aerobic such as UASB+BAF, UASB+A/O, UBF+CASS combination bioprocess technology, or the materialization+biological treatment such as precipitation, air supporting.The problem of these combination water treatment process is that flow process is even long than food processing technology, and bring complex management to factory, take up an area the operation difficulties such as large, short route demand is urgent.
Usually anaerobic technique flow process is divided three classes: single-stage anaerobic digestion, two-stage anaerobic digestion and TPAD.Single-stage anaerobic digestion and the maximum difference of two-stage anaerobic digestion are: the former completes at a process section by whole gas generation process, and the latter according to aerogenesis over time, arrange two-stage process section classification regulation and control.This two type systematic all belongs to complete hybrid system, and the acid-producing bacteria that suitable condition is different and methanogen mix completely, and activity and the transformation efficiency of two kinds of bacterium are all limited, and reactor is difficult to prevention acidifying particularly under high loads.TPAD adopts independently reactor, respectively enrichment acid-producing bacteria and methanogen, thus the activity of two kinds of bacterium and contamination transform rate higher, and still can effectively control the acidifying of methane phase under high loads, but reactor and take up an area larger.Therefore, according to the demand of high concentrated organic wastewater one step process up to standard, suitable anaerobic system must have following features: load is high, can prevent acidifying, and effluent quality is better, and takes up an area little.
Utility model content
The purpose of this utility model is to provide a kind of diphasic anaerobic tubular membrane bio-reactor processing organic waste water, has that flow process is short, load is high, can prevent acidifying, the feature that water outlet one step is up to standard.
For achieving the above object, the diphasic anaerobic tubular membrane bio-reactor that the utility model provides comprises:
Up-flow combined type acidogenic reactor connects with complete hybrid methane-producing reactor;
Complete hybrid methane-producing reactor is connected with tubular membrane component by recycle pump, is connected with gas metering system by methane outlet;
The water outlet port of tubular membrane component is divided into the product mouth of a river and circulation port, and wherein circulation port connects with complete hybrid methane-producing reactor;
PH electrode and conductivity electrode is provided with, pH electrode and conductivity electrode coupled reaction device Controlling System in up-flow combined type acidogenic reactor, complete hybrid methane-producing reactor and tubular membrane component;
The methane outlet of complete hybrid methane-producing reactor is connected with gas metering system, gas metering system is divided into air water separator and gas meter, the aerogenesis of complete hybrid methane-producing reactor is connected to air water separator, the pneumatic outlet of air water separator is connected to gas meter, the liquid exit of air water separator is attached to complete hybrid methane-producing reactor by pipeline, gas meter coupled reaction device Controlling System;
Water inlet, recycle pump are all connected in described reactor Controlling System, by Controlling System automatic start-stop.
Wherein, up-flow combined type acidogenic reactor inside is divided into multiple reaction chamber, and the water-in of each reaction chamber is positioned at bottom, and water outlet is positioned at top, and make each reaction chamber be upward flow, the water-in of each reaction chamber and water outlet are for connect step by step.
Described diphasic anaerobic tubular membrane bio-reactor, wherein, up-flow combined type acidogenic reactor is vertical streaming cylindrical reactor.
Described diphasic anaerobic tubular membrane bio-reactor, wherein, the circulation port water outlet of complete hybrid methane reactor is positioned at below liquid level.
Described diphasic anaerobic tubular membrane bio-reactor, wherein, tubular membrane component is inner pressed ultrafiltration or micro-filtration membrane module.
Described diphasic anaerobic tubular membrane bio-reactor, wherein, the outside of up-flow combined type acidogenic reactor and complete hybrid methane-producing reactor has insulation construction.
Described diphasic anaerobic tubular membrane bio-reactor, wherein, is provided with high liquid level protection device in complete hybrid methane-producing reactor.
The organic waste-water treating apparatus that the utility model provides, when actual treatment organic waste water, the steps include:
1) anaerobically digested sludge is inoculated respectively in up-flow combined type acidogenic reactor and complete hybrid methane-producing reactor;
2) organic waste water is delivered to up-flow combined type acidogenic reactor, successively through each reaction chamber mud in expand or suspended state, enter complete hybrid methane-producing reactor afterwards, the water inlet of complete hybrid methane-producing reactor adopts gas production rate-pH control mode;
3) the methane phase mixed solution in complete hybrid methane-producing reactor washes away inside tubular membrane component, and recirculation is got back to complete hybrid methane-producing reactor and formed hydraulic mixing;
4) methane phase mixed solution is separated through membrane module and obtains production water and methane phase aerogenesis, and methane phase aerogenesis is collected at the methane outlet of complete hybrid methane-producing reactor.
The utility model tool has the following advantages:
1) device structure is convenient to safeguard, operation logic is succinct, and operation is simple with maintenance, and manual request is few, easily is automated control.
2) tubular membrane component can effectively catching anaerobic sludge and organic pollutant, thus reduces anaerobic sludge and runs off, improve pollutants removal rate; Digest with high-load anaerobic and be coupled, realize short route process COD
crCrone step is up to standard.
3) gas production rate-pH control mode under prevention acidifying prerequisite, can maintain higher system loading.
4) the present invention can be used for a step qualified discharge process and the methane energy recovery of the high concentrated organic wastewaters such as agricultural and sideline food processing industry waste water, fermented soy waste water and alcohol waste water, also the qualified discharge process and the methane energy that can be used for the low-concentration organic waste water such as municipal administration, industrial park waste water reclaim, the methane content dissolved in water outlet can be reduced, weaken the greenhouse gases leakage problem of extensive municipal wastewater process.
Accompanying drawing explanation
Fig. 1 is the structural representation of diphasic anaerobic tubular membrane bio-reactor of the present utility model.
The up-flow combined type acid-producing room top plan view of Fig. 2 diphasic anaerobic tubular membrane of the present utility model bio-reactor.
Fig. 3 is the schematic flow sheet of diphasic anaerobic tubular membrane bio-reactor of the present utility model.
Fig. 4 is the gas production rate-pH controlling curve of diphasic anaerobic tubular membrane bio-reactor of the present utility model.
Fig. 5 is the short route effect up to standard of diphasic anaerobic tubular membrane bio-reactor of the present utility model.The mark that accompanying drawing is:
1 up-flow combined type acidogenic reactor, 2 complete hybrid methane-producing reactors, 3 tubular membrane components, 4 recycle pumps, 5 reactor Controlling System, 6 gas metering systems, a, b, c, d .... each reaction chamber of up-flow combined type acidogenic reactor, the water-in (water outlet) of 7 each reaction chambers, 8 dividing plates.
Embodiment
Refer to Fig. 1 and Fig. 2.
Diphasic anaerobic tubular membrane bio-reactor of the present utility model is made up of up-flow combined type acidogenic reactor 1, complete hybrid methane-producing reactor 2, tubular membrane component 3 and recycle pump 4 four part, wherein:
Up-flow combined type acidogenic reactor 1 is connected with complete hybrid methane-producing reactor 2 by pipeline; Complete hybrid methane-producing reactor 2 is connected with tubular membrane component 3 by recycle pump 4; The water outlet port of membrane module 4 is divided into the product mouth of a river and circulation port, and circulation port is connected with complete hybrid methane-producing reactor 2 by pipeline.
The on-line monitoring of reactor Controlling System 5 comprises pH and specific conductivity (EC) electrode respectively, and gas production rate on-line monitoring, these on-line monitorings are arranged on up-flow combined type acidogenic reactor 1, complete hybrid methane-producing reactor 2 and tubular membrane component 3 respectively, are connected in reactor Controlling System 5 by transmitter.System intake pump is received in reactor Controlling System 5 by cable.
Gas metering system 6 is divided into air water separator and gas meter two parts, the aerogenesis of complete hybrid methane-producing reactor 2 is connected to air water separator, the pneumatic outlet of air water separator is connected to gas meter by pipeline, and the liquid exit of air water separator is connected to complete hybrid methane-producing reactor 2 by pipeline.
Incorporated by reference to Fig. 3, up-flow combined type acidogenic reactor 1 is vertical streaming cylindrical reactor, inside is divided into multiple reaction chamber by dividing plate 8, Fig. 3 is with four reaction chamber a, b, c, d is example, the water outlet 7 of each reaction chamber is positioned at top, water-in is positioned at bottom (being positioned at the below of water outlet 7 in figure 3), each reaction chamber is made to be upward flow, each reaction chamber adopts placed in series step by step, namely the water-in of reaction chamber a is used for being with organic waste water, the water-in of the water outlet ligation room b of reaction chamber a, the water-in of the water outlet ligation room c of reaction chamber b, the water-in of the water outlet ligation room d of reaction chamber c, the water outlet of reaction chamber d is connected to complete hybrid methane-producing reactor 2.
The water outlet of complete hybrid methane reactor 2 circulation port is positioned at below liquid level, is beneficial to hydraulic mixing.
Tubular membrane component 3 is inner pressed ultrafiltration or micro-filtration membrane module.
Up-flow combined type acidogenic reactor 1 and complete hybrid methane-producing reactor 2 have external insulation structure.
Gas meter is connected with complete hybrid methane-producing reactor 2 by gas and water separator.
The utility model adopts diphasic anaerobic tubular membrane bio-reactor to carry out organic waste water short route treatment process:
According to organic loading and the residence time of two-phase, inoculate anaerobically digested sludge respectively to up-flow combined type acidogenic reactor 1 and complete hybrid methane-producing reactor 2.This seed sludge can derive from the anaerobic digestion process of excess sludge or other agricultural and sideline food processing industry waste water.After inoculation, according to volumetric loading, high concentrated organic wastewater is delivered to up-flow combined type acidogenic reactor 1 by water-in, pass through each reaction chamber a, b, c, d successively, because each reaction chamber is upward flow, mud in expanding or suspended state, enters complete hybrid methane-producing reactor 2 afterwards in each reaction chamber.
The water inlet of complete hybrid methane-producing reactor 2 adopts gas production rate-pH control mode, after methane phase mixed solution in complete hybrid methane-producing reactor 2 is pressurizeed by recycle pump 4, wash away at a high speed recirculation inside tubular membrane component 3 and get back to complete hybrid methane-producing reactor 2 and form hydraulic mixing; Methane phase mixed solution obtains production water after being separated through tubular membrane component 3; Methane phase aerogenesis is biogas at collected overhead.Biogas measures through gas metering system 6.
Tubular membrane component 3 adopts the direct working method crossing film of methane phase mixed solution.
Wash away inside tubular membrane component 3 at a high speed, be the sluicing mode of online fouling membrane mitigation strategy, erosive velocity is 2.3 ~ 3.7m/s, can use system combined with chemical CIP.
Up-flow combined type acidogenic reactor 1 and complete hybrid methane-producing reactor 2 have worming-up equipment, and its temperature all remains in mesophilic anaerobic digestion (33 ~ 37 DEG C) scope.
Gas production rate-pH control mode refers to gas production rate < 1.1-3.2m
3cH
4/ m
3* start water inlet during d, during pH<6.9-7.3, stop water inlet (referring to Fig. 4), the protection of high liquid level is set in complete hybrid methane-producing reactor 2.
Up-flow combined type acidogenic reactor 1 is intake, and is controlled by complete hybrid methane-producing reactor 2.
The liquid be separated in gas metering system 6 gets back to methanogenic phase.
The utility model can according to influent COD
crrequirement, determine reactor cumulative volume.By COD
crload and acidication characteristic, configure up-flow combined type acidogenic reactor 1 and complete hybrid methane-producing reactor 2 volume respectively.The mud of inoculation is under different organic loadings and the residence time, and in up-flow combined type acidogenic reactor 1 and complete hybrid methane-producing reactor 2, progressively enrichment is acid-producing bacteria and methanogen.Acid-producing bacteria and methanogen are respectively at separately suitable pH, and continued growth enrichment under hydraulic detention time (HRT) and load circumstance, had both improve two kinds of mushrooms activity separately, turn avoid to produce sour, methane phase speed and do not mate and cause system acidifying.Adopt gas production rate-pH control mode monitoring methane phase speed, by regulating and controlling the flooding quantity regulation and control COD of complete hybrid methane-producing reactor 2
crload, the gas production rate making reactor keep higher, avoids acidifying again.Work as COD
crwhen load is higher, complete hybrid methane-producing reactor 2 gas production rate is comparatively large, pH is lower, stops water inlet reacting, thus avoids COD
crload raises and acidifying further; Work as COD
crwhen load is lower, complete hybrid methane-producing reactor 2 gas production rate is less, pH is higher, starts water inlet to improve COD
crload, thus system can remain on higher load all the time.After technical finesse of the present utility model, not only high concentrated organic wastewater one step reaches adapter emission standard, simplifies technical process and management, avoid aeration and smell taste discharge, and biogas can do fuel, reaches the object of resource utilization.
Embodiment 1:
Film inner circulation reactor is by up-flow combined type acidogenic reactor 1, and complete hybrid methane-producing reactor 2, the combination of tubular membrane component 3, recycle pump 4, reactor Controlling System 5 and gas metering system 6 is formed, for the treatment of agricultural and sideline food processing industry waste water.
According to the organic loading (0.5-2.5kgCOD of two-phase
cr/ kgVSS*d) and the residence time (0.5 ~ 7d), inoculate anaerobically digested sludge respectively to up-flow combined type acidogenic reactor 1 and complete hybrid methane-producing reactor 2, then progressively increase sewage dosage.This seed sludge can derive from the anaerobic digestion process of excess sludge or other agricultural and sideline food processing industry waste water.
After inoculation, from the agricultural and sideline food processing industry waste water that water-in pumps into, be delivered to up-flow combined type acidogenic reactor 1, then successively through four reaction chambers such as a, b, c, d, enter complete hybrid methane-producing reactor 2; Methane phase mixed solution is pressurizeed by recycle pump 4, is separated water outlet through membrane module 3.Wherein, up-flow combined type acidogenic reactor 1 is vertical streaming cylindrical reactor, is divided into 4 reaction chambers; The water-in of each reaction chamber is positioned at bottom it, and water outlet is positioned at its top; According to a, b, c, d reaction chamber, water outlet and water-in adopt placed in series, to improve the up-flow speed of upflow-type reactor step by step.In whole service process, reactor Controlling System 5 keeps the water temperature of each reactor to be 35 ~ 37 DEG C, from methane-producing reactor 2, gather pH by electrode, from gas metering system 6, gather gas production rate, adopt aforesaid gas production rate-pH mode Controlling System to intake and reactor load.Up-flow combined type acidogenic reactor is high density (10.0-15.0g/L) granule sludge, the sludge concentration 12.0-18.0g/L of hybrid methane-producing reactor.
The major measure alleviating membrane module pollution is cross flow filter, and cross flow filter can also stir complete hybrid methane-producing reactor simultaneously and keep good mass-transfer effect.Under gas production rate-pH jointly controls, higher load can be stablized active mutually with each, turn avoid the acidifying of methane phase, improve COD
crmethane rate, thus reach water outlet COD
crthe object that one step is up to standard.
Enter the agricultural and sideline food processing industry waste water average COD of diphasic anaerobic tubular membrane bio-reactor
crconcentration is the COD of 26300 ± 7800mg/L, film water outlet
crmean concns is 260 ± 70mg/L, then COD
crclearance is 99.1 ± 0.4%, COD
crorganic pollutant removal Be very effective.Effect up to standard refers to Fig. 5.
Embodiment 2:
Film inner circulation reactor is by up-flow combined type acidogenic reactor 1, and complete hybrid methane-producing reactor 2, tubular membrane component 3 and recycle pump 4 combine and form, for the treatment of town sewage.
According to the organic loading (0.5-2.5kgCOD of two-phase
cr/ kgVSS*d) and the residence time (0.5 ~ 7d), inoculate anaerobically digested sludge respectively to up-flow combined type acidogenic reactor 1 and complete hybrid methane-producing reactor 2, then progressively increase sewage dosage.This seed sludge can derive from the anaerobic digestion process of excess sludge.
After inoculation, from the town sewage after desilting and film grid that water-in pumps into, be delivered to up-flow combined type acidogenic reactor, then successively through four reaction chambers such as a, b, c, d, enter complete hybrid methane-producing reactor; Methane phase mixed solution is pressurizeed by recycle pump, is separated water outlet through membrane module 3.Wherein, up-flow combined type acidogenic reactor 1 is vertical streaming cylindrical reactor, is divided into 4 reaction chambers; The water-in of each reaction chamber is positioned at bottom it, and water outlet is positioned at its top; According to a, b, c, d reaction chamber, water outlet and water-in adopt placed in series, to improve the up-flow speed of upflow-type reactor step by step.In whole service process, reactor Controlling System 5 keeps the water temperature of each reactor to be 35 ~ 37 DEG C, from methane-producing reactor 2, gather pH by electrode, from gas metering system 6, gather gas production rate, adopt aforesaid gas production rate-pH mode Controlling System to intake and reactor load.Up-flow combined type acidogenic reactor is high density (6.0-9.0g/L) granule sludge, the sludge concentration 5.0-8.0g/L of hybrid methane-producing reactor.
The major measure alleviating membrane module pollution is cross flow filter, and cross flow filter can also stir complete hybrid methane-producing reactor simultaneously and keep good mass-transfer effect.Under gas production rate-pH jointly controls, higher load can be stablized active mutually with each, turn avoid the acidifying of methane phase, improve COD
crmethane rate, thus reach water outlet COD
crthe object that one step is up to standard.The cross-flow rate of recycle pump 2.8-3.9m/s can force methane stripping from water, improves methane production, avoids the methane dissolved in water outlet to discharge as greenhouse gases simultaneously.
Enter the town sewage average COD of diphasic anaerobic tubular membrane bio-reactor
crconcentration is the COD of 592.0 ± 274.4mg/L, film water outlet
crmean concns is 40 ± 15mg/L, then COD
crclearance is 95.1 ± 3.4%, COD
crorganic pollutant removal Be very effective.
Claims (6)
1. process a diphasic anaerobic tubular membrane bio-reactor for organic waste water, it is characterized in that:
Up-flow combined type acidogenic reactor connects with complete hybrid methane-producing reactor;
Complete hybrid methane-producing reactor is connected with tubular membrane component by recycle pump;
The water outlet port of tubular membrane component is divided into the product mouth of a river and circulation port, and wherein circulation port connects with complete hybrid methane-producing reactor;
PH electrode and conductivity electrode is provided with, pH electrode and conductivity electrode coupled reaction device Controlling System in up-flow combined type acidogenic reactor, complete hybrid methane-producing reactor and tubular membrane component;
The methane outlet of complete hybrid methane-producing reactor is connected with gas metering system, gas metering system is divided into air water separator and gas meter, the aerogenesis of complete hybrid methane-producing reactor is connected to air water separator, the pneumatic outlet of air water separator is connected to gas meter, and the liquid exit of air water separator is attached to complete hybrid methane-producing reactor by pipeline;
Wherein, up-flow combined type acidogenic reactor inside is divided into multiple reaction chamber, and the water-in of each reaction chamber is positioned at bottom, and water outlet is positioned at top, and make each reaction chamber be upward flow, the water-in of each reaction chamber and water outlet are for connect step by step.
2. process the diphasic anaerobic tubular membrane bio-reactor of organic waste water according to claim 1, it is characterized in that, up-flow combined type acidogenic reactor is vertical streaming cylindrical reactor.
3. process the diphasic anaerobic tubular membrane bio-reactor of organic waste water according to claim 1, it is characterized in that, the circulation port water outlet of complete hybrid methane reactor is positioned at below liquid level.
4. process the diphasic anaerobic tubular membrane bio-reactor of organic waste water according to claim 1, it is characterized in that, tubular membrane component is inner pressed ultrafiltration or micro-filtration membrane module.
5. process the diphasic anaerobic tubular membrane bio-reactor of organic waste water according to claim 1, it is characterized in that, the outside of up-flow combined type acidogenic reactor and complete hybrid methane-producing reactor has insulation construction.
6. process the diphasic anaerobic tubular membrane bio-reactor of organic waste water according to claim 1, it is characterized in that, in complete hybrid methane-producing reactor, be provided with high liquid level protection device.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104478172A (en) * | 2014-12-17 | 2015-04-01 | 中国科学院生态环境研究中心 | Method and device for treating organic wastewater with two-phase anaerobic tubular membrane bioreactor |
| CN107098466A (en) * | 2017-04-28 | 2017-08-29 | 中国科学院生态环境研究中心 | The real-time monitoring method of anaerobic membrane bioreactor and use its reactor |
| CN105645578B (en) * | 2016-02-02 | 2018-06-08 | 广州中科正川环保科技有限公司 | A kind of two-phase anaerobic process that biogas is recycled from native rubber processing waste water |
-
2014
- 2014-12-17 CN CN201420804361.7U patent/CN204490676U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104478172A (en) * | 2014-12-17 | 2015-04-01 | 中国科学院生态环境研究中心 | Method and device for treating organic wastewater with two-phase anaerobic tubular membrane bioreactor |
| CN104478172B (en) * | 2014-12-17 | 2017-02-22 | 中国科学院生态环境研究中心 | Method and device for treating organic wastewater with two-phase anaerobic tubular membrane bioreactor |
| CN105645578B (en) * | 2016-02-02 | 2018-06-08 | 广州中科正川环保科技有限公司 | A kind of two-phase anaerobic process that biogas is recycled from native rubber processing waste water |
| CN107098466A (en) * | 2017-04-28 | 2017-08-29 | 中国科学院生态环境研究中心 | The real-time monitoring method of anaerobic membrane bioreactor and use its reactor |
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Granted publication date: 20150722 Termination date: 20161217 |