CN105600929B - Using the method for continuous stream bio electric desalting apparatus processing oil refining wastewater containing acetonitrile - Google Patents
Using the method for continuous stream bio electric desalting apparatus processing oil refining wastewater containing acetonitrile Download PDFInfo
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- H—ELECTRICITY
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Abstract
Using the method for continuous stream bio electric desalting apparatus processing oil refining wastewater containing acetonitrile, the invention belongs to refinery produced-water treatment field, and it is big in order to solve existing Industrial Wastewater Treatment difficulty, in biochemistry treatment hardly possible and industrial wastewater the problem of energy waste.The electrogenesis desalinisation device is provided with anode chamber, cathode chamber and desalting chamber in the reactor, and the region between cation-exchange membrane and anion-exchange membrane forms desalting chamber, and carbon brush is provided with anode chamber and cathode chamber.Application process：First, activated sludge is injected separately into anode chamber and cathode chamber, culture obtains preliminary electricity production bacterium；2nd, add PBS repeatedly and glucose carries out domestication culture；3rd, the continuous electricity production of the oil refining wastewater containing acetonitrile.Anaerobic bio-treated and Aerobic biological process are combined by the present invention with MDC techniques, and while processing poisonous and harmful substance, whole processing procedure does not need external energy, additionally it is possible to obtain stable electric energy output, while saline sewage desalination is reclaimed.
Description
Technical field
The invention belongs to refinery produced-water treatment field, and in particular to the method and apparatus of the refinery produced-water treatment containing acetonitrile.
Background technology
Environmental problem governs the development of human society with energy problem.Due to the continuous development of China's industry, result in
Industrial water consumption drastically rises, and this has undoubtedly aggravated shortage of water resources this crisis.It is caused big in chemical industry production
Amount wastewater from chemical industry contains hydrocarbons and other hard-degraded substances, if can not properly dispose, will certainly cause receiving environment
Pollution, threaten ecological environment security, endanger the mankind and other biological health, therefore, wastewater from chemical industry is treated as all the time
Perplex industrial development and the problem of human lives.At the same time, fossil energy for the survival of mankind is increasingly exhausted, in fossil energy
The exploitation in source has also aggravated environmental problem during utilizing, and therefore, finding sustainable clean energy resource becomes solution energy danger
One outlet of machine.Wastewater from chemical industry needs also exist for certain energy that dissipates during processing, wherein the organic matter contained
Material, which is degraded to convert, also becomes a kind of waste of resource.Therefore, chemical wastewater treatment is integrated as chemical industry with producing the energy
The processing of waste water provides new thinking and developing direction.
Bioelectrochemical system is to utilize microbial degradation organic matter, and the electrochemistry that chemical energy is converted into electric energy fills
Put.Microorganism desalination fuel cell (MDC) adds anion-exchange membrane and cation-exchange membrane between anode chamber and cathode chamber,
Desalting chamber is formd between the two poles of the earth.Functionally, MDC realizes contaminant degradation, electricity production, three kinds of effects of desalination.
The content of the invention
It is big the invention aims to solve existing Industrial Wastewater Treatment difficulty, biochemistry treatment hardly possible and industrial wastewater
The problem of middle energy waste, and provide for the continuous stream bio electric desalting apparatus of the refinery produced-water treatment containing acetonitrile and application side
Method.
The continuous stream bio electric desalting apparatus of the refinery produced-water treatment containing acetonitrile of the invention include reactor, anode carbon brush,
Negative electrode carbon brush, cation-exchange membrane, anion-exchange membrane and aerator, interval is arranged with cation exchange in parallel in reactor
The wall of film and anion-exchange membrane, anion-exchange membrane and reactor surrounds anode chamber, cation-exchange membrane and reactor
Wall surrounds cathode chamber, and the region between cation-exchange membrane and anion-exchange membrane forms desalting chamber, sets in the anode compartment
There is the anode carbon brush for being vaccinated with activated sludge, the negative electrode carbon brush for being vaccinated with activated sludge is provided with the cathodic compartment, in cathode chamber
Bottom be additionally provided with aerator, the bottom of anode chamber is provided with the first water inlet, and the top of anode chamber is provided with the first delivery port,
The second water inlet is provided with the bottom of cathode chamber, the top of cathode chamber is provided with the second delivery port, and the bottom of desalting chamber is provided with the 3rd
Water inlet, the top of desalting chamber are provided with the 3rd delivery port, and one end of No.1 water pipe is connected with the first delivery port, No.1 water pipe it is another
One end is connected with the second water inlet, and one end of No. two water pipes is connected with the second delivery port, and the other end of No. two water pipes enters with the 3rd
The mouth of a river is connected.
The continuous stream bio electric desalting apparatus processing refinery containing acetonitrile of present invention application refinery produced-water treatment containing acetonitrile gives up
The method of water is carried out according to the following steps：
First, activated sludge is injected separately into anode chamber and cathode chamber, then adds and contains into anode chamber and cathode chamber again
Acetonitrile oil refining wastewater, activated sludge cultivates 18h~26h under the conditions of aerobic sealing in anode chamber, and activated sludge leads in cathode chamber
Cross aerator and 18h~26h is cultivated under aerobic environment, discharge the oil refining wastewater containing acetonitrile in anode chamber and cathode chamber, obtain
Preliminary electricity production bacterium；
2nd, anode carbon brush is connected with negative electrode carbon brush using external resistance, PBS is then added into anode chamber and cathode chamber delays
Fliud flushing and glucose, then oil refining wastewater containing acetonitrile is added into anode chamber and cathode chamber, start to produce electric current output, whenever voltage
During decline, by anode chamber and cathode chamber oil refining wastewater containing acetonitrile discharge, then reinject new oil refining wastewater containing acetonitrile,
PBS and glucose, change oil refining wastewater containing acetonitrile repeatedly, PBS and glucose carry out domestication cultivate 10 days~
20 days, the anode carbon in anode chamber, which paints, generated anaerobism electricity production biomembrane, and aerobic production is generated on the negative electrode carbon brush in cathode chamber
Electro-biofilm；
3rd, acetonitrile oil refining wastewater will be contained to flow into anode chamber by the first water inlet, the anaerobism painted by anode carbon is produced
Electro-biofilm carries out electricity production decomposition to oil refining wastewater containing acetonitrile, and the water outlet of anode chamber is flowed into cathode chamber by No.1 water pipe, cloudy
Aerator in pole room provides aerobic environment, and water outlet of the aerobic electricity production biomembrane on negative electrode carbon brush to anode chamber produces electricity
Decompose, the water outlet of cathode chamber is flowed into desalting chamber by No. two water pipes carries out desalting processing, and water outlet goes out from the 3rd in desalting chamber
Mouth of a river outflow collects electric energy as the water outlet after purification between anode carbon brush and negative electrode carbon brush.
The present invention is using the method for continuous stream bio electric desalting apparatus processing oil refining wastewater containing acetonitrile in desalting chamber
The incoming anode chamber of cation in the oil refining wastewater containing acetonitrile that cation-exchange membrane comes cathode chamber conveying, anion-exchange membrane
The incoming cathode chamber of anion in the oil refining wastewater containing acetonitrile that cathode chamber conveying is come, realizes desalting processing and is refined containing acetonitrile
Changing waste water, salinity is reduced after handling three times, water quality is improved；Anaerobism electricity production biomembrane and aerobic in this course
Electricity production biomembrane can produce stable electric current, and stable electric energy output is finally showed on external resistance.
The present invention is used for oil refining wastewater containing acetonitrile of degrading using microorganism desalination fuel cell (MDC), and acetonitrile belongs to highly concentrated
The high ammonia nitrogen organic wastewater of high toxicity is spent, biodegradability is poor, while salt content is higher.The present invention is in processing oil refining wastewater containing acetonitrile
While reclaim the energy (electric energy), realize contaminant degradation, produce electricity, three kinds of effects of desalination.The present invention is by anaerobic organism
Reason and Aerobic biological process are combined with MDC techniques, and while processing poisonous and harmful substance, whole processing procedure need not be outer
Add energy, stable electric energy output can be obtained, while saline sewage desalination is reclaimed.
The present invention can realize that electric current is stable and export that output voltage stabilization is in 700~800V (knots after 12~24h is started
Close Fig. 2 and Fig. 3 explanations) between.At continuous stream bio electric desalting apparatus anode through present invention refinery produced-water treatment containing acetonitrile
The COD of the raw water of oil refining wastewater containing acetonitrile after reason drops to 1000mg/L from 1700mg/L, and ethane nitrile content drops to from 300mg/L
50mg/L, COD drops to 500mg/L from 1000mg/L after being handled by biological-cathode, and ethane nitrile content drops to 0mg/ from 100mg/L
L, the degradation efficiency of organic pollution is higher, and produces stable electric energy output.
Brief description of the drawings
Fig. 1 is the structural representation of the continuous stream bio electric desalting apparatus for the refinery produced-water treatment containing acetonitrile；
Fig. 2 is the COD degradation figure for the continuous stream biology electrogenesis desalinisation for being used for the refinery produced-water treatment containing acetonitrile in embodiment, its
In ◆ raw water is represented, ■ represents anode chamber's water outlet, ● represent cathode chamber water outlet；
Fig. 3 is the cell polarization curves for the continuous stream biology electrogenesis desalinisation for being used for the refinery produced-water treatment containing acetonitrile in embodiment
Figure, wherein ● voltage is represented,Represent power density.
Embodiment
Embodiment one：The continuous stream bio electric desalting apparatus bag of present embodiment refinery produced-water treatment containing acetonitrile
Reactor, anode carbon brush 2, negative electrode carbon brush 6, cation-exchange membrane 5, anion-exchange membrane 3 and aerator 10 are included, in reactor
Spaced and parallel to be provided with cation-exchange membrane 5 and anion-exchange membrane 3, the wall of anion-exchange membrane 3 and reactor surrounds sun
Pole room 1, the wall of cation-exchange membrane 5 and reactor surrounds cathode chamber 7, between cation-exchange membrane 5 and anion-exchange membrane 3
Region formed desalting chamber 4, the anode carbon brush 2 for being vaccinated with activated sludge is provided with anode chamber 1, is set in cathode chamber 7
There is the negative electrode carbon brush 6 for being vaccinated with activated sludge, aerator 10 is additionally provided with the bottom of cathode chamber 7, the bottom of anode chamber 1 is opened
There is the first water inlet, the top of anode chamber 1 is provided with the first delivery port, and the second water inlet, cathode chamber are provided with the bottom of cathode chamber 7
7 top is provided with the second delivery port, and the bottom of desalting chamber 4 is provided with the 3rd water inlet, and the top of desalting chamber 4 is provided with the 3rd water outlet
Mouthful, No.1 water pipe 9-1 one end is connected with the first delivery port, and the No.1 water pipe 9-1 other end is connected with the second water inlet, No. two
Water pipe 9-2 one end is connected with the second delivery port, and No. two water pipe 9-2 other end is connected with the 3rd water inlet.
Electrogenesis desalinisation reaction unit described in present embodiment is made up of a microorganism desalination fuel cell (MDC), MDC
By anode chamber, desalting chamber, cathode chamber forms successively, sets anion-exchange membrane between anode chamber and deoxidation room, desalting chamber and
Cation-exchange membrane is set between cathode chamber, and wherein anode chamber is anaerobic environment, and aerobic aerator is set preferably in cathode chamber
Oxygen environment.
Embodiment two：Present embodiment and anode carbon brush 2 unlike embodiment one and negative electrode carbon brush 6
It is connected by external resistance.
Embodiment three：Present embodiment is also set unlike embodiment one or two in anode chamber 1
It is equipped with reference electrode 8.
Embodiment four：In No.1 water pipe 9- unlike one of present embodiment and embodiment one to three
Water pump is provided with 1 and No. two water pipe 9-2.
Embodiment five：Present embodiment fills using the continuous stream biology electrogenesis desalinisation of the refinery produced-water treatment containing acetonitrile
The method for putting processing oil refining wastewater containing acetonitrile is carried out according to the following steps：
First, activated sludge is injected separately into anode chamber 1 and cathode chamber 7, then added again into anode chamber 1 and cathode chamber 7
Enter oil refining wastewater containing acetonitrile, activated sludge cultivates 18h~26h under the conditions of aerobic sealing in anode chamber 1, activity in cathode chamber 7
Sludge cultivates 18h~26h by aerator 10 under aerobic environment, discharges the refinery containing acetonitrile in anode chamber 1 and cathode chamber 7
Waste water, obtain tentatively producing electricity bacterium；
2nd, anode carbon brush 2 is connected with negative electrode carbon brush 6 using external resistance, then added into anode chamber 1 and cathode chamber 7
PBS and glucose, then oil refining wastewater containing acetonitrile is added into anode chamber 1 and cathode chamber 7, start to produce electric current output,
When declining voltage, the oil refining wastewater containing acetonitrile in anode chamber 1 and cathode chamber 7 is discharged, then reinjects and new contains acetonitrile
Oil refining wastewater, PBS and glucose, oil refining wastewater containing acetonitrile, PBS and glucose are changed repeatedly and carries out domestication training
Support 10 days~20 days, generation anaerobism electricity production biomembrane on the anode carbon brush 2 in anode chamber 1, the negative electrode carbon brush 6 in cathode chamber 7
The upper aerobic electricity production biomembrane of generation；
3rd, acetonitrile oil refining wastewater will be contained to flow into anode chamber 1 by the first water inlet, pass through the anaerobism on anode carbon brush 2
Electricity production biomembrane carries out electricity production decomposition to oil refining wastewater containing acetonitrile, and the water outlet of anode chamber 1 flows into cathode chamber by No.1 water pipe 9-1
In 7, aerator 10 in cathode chamber 7 provides aerobic environment, and the aerobic electricity production biomembrane on negative electrode carbon brush 6 is to anode chamber 1
Water outlet carries out electricity production decomposition, and the water outlet of cathode chamber 7 is flowed into desalting chamber 4 by No. two water pipe 9-2 carries out desalting processing, water outlet from
The 3rd delivery port outflow in desalting chamber 4 collects electricity as the water outlet after purification between anode carbon brush 2 and negative electrode carbon brush 6
Energy.
Anaerobic bio-treated, Aerobic biological process are combined, and are applied to containing second by present embodiment with MDC techniques
In the processing of nitrile oil refining wastewater, realize that the electric energy that can obtain stabilization exports, Ke Yishi while processing poisonous and harmful substance
Now to the purpose of saline sewage desalination.
Embodiment six：Present embodiment and step 2 unlike embodiment five are to anode chamber and negative electrode
The concentration that PBS PBS into anode chamber and cathode chamber is added in room is 15ppm~30ppm.Other steps and ginseng
Number is identical with embodiment five.
Embodiment seven：Present embodiment unlike embodiment five or six step 2 to anode chamber and
The concentration that glucose glucose into anode chamber and cathode chamber is added in cathode chamber is 80mg/L~200mg/L.Other steps and
Parameter is identical with embodiment five or six.
Embodiment eight：Step 2 unlike one of present embodiment and embodiment five to seven is repeatedly more
Change oil refining wastewater containing acetonitrile, PBS and glucose and carry out domestication culture 10 days~15 days.Other steps and parameter with it is specific
One of embodiment five to seven is identical.
Embodiment nine：In step 3 unlike one of present embodiment and embodiment five to eight all the time
It is 2mg/L~4mg/L to control the dissolved oxygen amount in cathode chamber.One of other steps and parameter and embodiment five to eight phase
Together.
Embodiment ten：Step 3 control sun unlike one of present embodiment and embodiment five to nine
Hydraulic detention time in pole room is 1~4h, and it is 1~4h to control the hydraulic detention time in cathode chamber, is controlled in desalting chamber
Hydraulic detention time is 1~4h.Other steps and parameter are identical with one of embodiment five to nine.
Embodiment one：The present embodiment contains using the continuous stream bio electric desalting apparatus processing of the refinery produced-water treatment containing acetonitrile
The method of acetonitrile oil refining wastewater is carried out according to the following steps：
First, activated sludge is injected separately into anode chamber and cathode chamber, then adds and contains into anode chamber and cathode chamber again
Acetonitrile oil refining wastewater, activated sludge cultivates 24h under the conditions of aerobic sealing in anode chamber, and activated sludge passes through aeration in cathode chamber
Device cultivates 24h under aerobic environment, discharges the oil refining wastewater containing acetonitrile in anode chamber and cathode chamber, obtains tentatively producing electricity bacterium；
2nd, anode carbon brush is connected with negative electrode carbon brush using external resistance, PBS is then added into anode chamber and cathode chamber delays
Fliud flushing and glucose, make the concentration of wherein PBS to 20ppm, glucose concentration to 200mg/L, then to anode chamber and
Oil refining wastewater containing acetonitrile is added in cathode chamber, starts to produce electric current output, when declining voltage, by anode chamber and cathode chamber
Oil refining wastewater containing acetonitrile discharge, then reinject new oil refining wastewater containing acetonitrile, PBS and glucose, change repeatedly
Oil refining wastewater containing acetonitrile, PBS and glucose carry out domestication culture 20 days, and the anode carbon in anode chamber paints generation and detested
Oxygen produces electricity biomembrane, and aerobic electricity production biomembrane is generated on the negative electrode carbon brush in cathode chamber；
3rd, acetonitrile oil refining wastewater will be contained to flow into anode chamber by the first water inlet, the anaerobism painted by anode carbon is produced
Electro-biofilm carries out electricity production decomposition to oil refining wastewater containing acetonitrile, and the water outlet of anode chamber is flowed into cathode chamber by No.1 water pipe, cloudy
Aerator in pole room provides aerobic environment, and water outlet of the aerobic electricity production biomembrane to anode chamber is obtained on negative electrode carbon brush and is produced electricity
Decompose, the water outlet of cathode chamber is flowed into desalting chamber by No. two water pipes carries out desalting processing, and water outlet goes out from the 3rd in desalting chamber
Mouth of a river outflow collects electric energy as the water outlet after purification between anode carbon brush and negative electrode carbon brush.
Second pond sludge of the activated sludge from municipal wastewater treatment plant described in the present embodiment step 1, oil refining wastewater containing acetonitrile
From Daqing oil field refinery company's ethane nitrile wastewater workshop.The present embodiment step 1 and step 2 be electricity-producing microorganism tame the stage and
The training stage of electricity generation ability, and step 3 is the continuous electricity production stage of waste water.
Contain second after the continuous stream bio electric desalting apparatus anode processing of the present embodiment refinery produced-water treatment containing acetonitrile
The COD of nitrile oil refining wastewater raw water drops to 1000mg/L from 1700mg/L, and ethane nitrile content drops to 50mg/L from 300mg/L, then passes through
COD drops to 500mg/L from 1000mg/L after biological-cathode processing, and ethane nitrile content drops to 0mg/L, organic pollution from 100mg/L
Degradation efficiency it is higher, and produce stable electric energy output, the density of electric current is 1200~1300mWm-2。
Claims (6)
1. the method for application continuous stream bio electric desalting apparatus processing oil refining wastewater containing acetonitrile, the continuous stream biology electrogenesis desalinisation
Device includes reactor, anode carbon brush (2), negative electrode carbon brush (6), cation-exchange membrane (5), anion-exchange membrane (3) and aeration
Device (10), interval is arranged with cation-exchange membrane (5) and anion-exchange membrane (3), anion-exchange membrane in parallel in reactor
(3) anode chamber (1) is surrounded with the wall of reactor, the wall of cation-exchange membrane (5) and reactor surrounds cathode chamber (7), sun
Region between amberplex (5) and anion-exchange membrane (3) forms desalting chamber (4), and inoculation is provided with anode chamber (1)
The anode carbon brush (2) of activated sludge, is provided with the negative electrode carbon brush (6) for being vaccinated with activated sludge, in negative electrode in cathode chamber (7)
The bottom of room (7) is additionally provided with aerator (10), and the bottom of anode chamber (1) is provided with the first water inlet, the top of anode chamber (1)
The first delivery port is provided with, the second water inlet is provided with the bottom of cathode chamber (7), the top of cathode chamber (7) is provided with the second delivery port,
The bottom of desalting chamber (4) is provided with the 3rd water inlet, and the top of desalting chamber (4) is provided with the 3rd delivery port, and the one of No.1 water pipe (9-1)
End is connected with the first delivery port, and the other end of No.1 water pipe (9-1) is connected with the second water inlet, one end of No. two water pipes (9-2)
It is connected with the second delivery port, the other end of No. two water pipes (9-2) is connected with the 3rd water inlet；It is characterized in that press following step
It is rapid to realize：
First, activated sludge is injected separately into anode chamber (1) and cathode chamber (7), then again to anode chamber (1) and cathode chamber (7)
Middle addition oil refining wastewater containing acetonitrile, anode chamber (1) interior activated sludge cultivate 18h~26h, cathode chamber under the conditions of aerobic sealing
(7) interior activated sludge cultivates 18h~26h by aerator (10) under aerobic environment, discharges anode chamber (1) and cathode chamber
(7) oil refining wastewater containing acetonitrile in, obtain tentatively producing electricity bacterium；
2nd, anode carbon brush (2) is connected with negative electrode carbon brush (6) using external resistance, then into anode chamber (1) and cathode chamber (7)
PBS and glucose are added, then oil refining wastewater containing acetonitrile is added into anode chamber (1) and cathode chamber (7), starts to produce electricity
Stream output, when declining voltage, the oil refining wastewater containing acetonitrile in anode chamber (1) and cathode chamber (7) is discharged, then reinjected
New oil refining wastewater containing acetonitrile, PBS and glucose, oil refining wastewater containing acetonitrile, PBS and glucose are changed repeatedly
Domestication culture 10 days~20 days is carried out, anaerobism electricity production biomembrane, cathode chamber are generated on the anode carbon brush (2) in anode chamber (1)
(7) aerobic electricity production biomembrane is generated on the negative electrode carbon brush (6) in；
3rd, acetonitrile oil refining wastewater will be contained to flow into anode chamber (1) by the first water inlet, pass through the anaerobism on anode carbon brush (2)
Electricity production biomembrane carries out electricity production decomposition to oil refining wastewater containing acetonitrile, and the water outlet of anode chamber (1) flows into the moon by No.1 water pipe (9-1)
In pole room (7), aerator (10) in cathode chamber (7) provides aerobic environment, the aerobic electricity production biomembrane on negative electrode carbon brush (6)
Water outlet to anode chamber (1) carries out electricity production decomposition, and the water outlet of cathode chamber (7) is flowed into desalting chamber (4) by No. two water pipes (9-2)
Desalting processing is carried out, water outlet is flowed out as the water outlet after purification, and in anode carbon brush from the 3rd delivery port in desalting chamber (4)
(2) electric energy is collected between negative electrode carbon brush (6).
2. the method according to claim 1 that the oil refining wastewater containing acetonitrile is handled using continuous stream bio electric desalting apparatus,
It is characterized in that step 2 adds PBS into anode chamber (1) and cathode chamber (7) into anode chamber (1) and cathode chamber (7)
The concentration of PBS is 15ppm~30ppm.
3. the method according to claim 1 that the oil refining wastewater containing acetonitrile is handled using continuous stream bio electric desalting apparatus,
It is characterized in that step 2 adds glucose Portugal into anode chamber (1) and cathode chamber (7) into anode chamber (1) and cathode chamber (7)
The concentration of grape sugar is 80mg/L~200mg/L.
4. the method according to claim 1 that the oil refining wastewater containing acetonitrile is handled using continuous stream bio electric desalting apparatus,
It is characterized in that step 2 changes oil refining wastewater containing acetonitrile, PBS and glucose repeatedly carries out domestication culture 10 days~15
My god.
5. the method according to claim 1 that the oil refining wastewater containing acetonitrile is handled using continuous stream bio electric desalting apparatus,
It is characterized in that it is 2mg/L~4mg/L to control the dissolved oxygen amount in cathode chamber (7) in step 3 all the time.
6. the method according to claim 1 that the oil refining wastewater containing acetonitrile is handled using continuous stream bio electric desalting apparatus,
It is characterized in that it is 1~4h that step 3, which controls the hydraulic detention time in anode chamber (1), the waterpower in control cathode chamber (7) is stopped
It is 1~4h to stay the time, and it is 1~4h to control the hydraulic detention time in desalting chamber (4).
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| CN101481178B (en) * | 2009-02-10 | 2011-05-11 | 清华大学 | Sewage treatment process and apparatus for synchronous electrogenesis desalinisation |
| CN102263278B (en) * | 2011-05-25 | 2013-06-05 | 哈尔滨工业大学 | Continuous flow microorganism fuel cell and battery pack for synchronously generating electricity and desalting |
| CN102372398B (en) * | 2011-08-31 | 2013-07-03 | 中国科学院城市环境研究所 | Nitrogen-containing sewage treatment process and device for synchronously producing electricity and recovering nitrogen element |
| CN104150681B (en) * | 2014-06-23 | 2015-08-19 | 清华大学 | A kind of microorganism nitrogen phosphorus for water treatment reclaims cell reaction device |
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