CN103094597A - Microbial fuel cell with function of efficiently and synchronously removing nitrogen and carbon - Google Patents
Microbial fuel cell with function of efficiently and synchronously removing nitrogen and carbon Download PDFInfo
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- CN103094597A CN103094597A CN2013100290118A CN201310029011A CN103094597A CN 103094597 A CN103094597 A CN 103094597A CN 2013100290118 A CN2013100290118 A CN 2013100290118A CN 201310029011 A CN201310029011 A CN 201310029011A CN 103094597 A CN103094597 A CN 103094597A
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Abstract
The invention discloses a microbial fuel cell with a function of efficiently and synchronously removing nitrogen and carbon. The microbial fuel cell mainly comprises an anaerobic digestion chamber and an anaerobic ammonia oxidation chamber. Anaerobic digestion sludge is inoculated in the anaerobic digestion chamber; organic wastewater is taken as fuel; organic matters are decomposed by heterotrophic bacteria to release electrons; anaerobic ammonia oxidation sludge is inoculated in the anaerobic ammonia oxidation chamber; nitrogen wastewater is taken as a cathode solution; nitrite nitrogen is taken as an electron accepter; and ammonia nitrogen and nitrite nitrogen are converted into nitrogen gas by anaerobic ammonium oxidation bacteria, so that nitrogen and carbon are synchronously removed and electrons received by an anaerobic digestion anode are transmitted to an anaerobic ammonia oxidation cathode through an external circuit for power generation. According to the microbial fuel cell, the organic wastewater and the nitrogen-containing wastewater can be treated at the same time, so that nitrogen and carbon can be efficiently and synchronously removed for power generation; nitrite nitrogen is utilized as the electron acceptor, so that the running cost of the microbial fuel cell can be lowered; and alkali-containing outlet water in the anaerobic ammonia oxidation chamber flows back to the anaerobic digestion chamber, so that the problem of acidification of an anode solution is alleviated and the running stability is improved.
Description
Technical field
The present invention relates to biological fuel cell, relate in particular to a kind of high efficiency synchronous removal of carbon and nitrogen microbiological fuel cell.
Background technology
Along with the rapid growth of global economy, the pressure of energy shortage and environmental pollution sharply increases, and human social has been consisted of serious threat.Microbiological fuel cell can utilize microbe for catalyst, chemical energy to be converted into electric energy, is a kind of new clean energy resource production technology, has become the study hotspot of the current energy and environmental area.
Contain many pollutants in waste water, contain a large amount of chemical energy.Utilize the MFCs technology to process waste water, not only can pollution treatment, and can reclaim electric energy, it is the great innovation of wastewater processing technology.Because organic pollution is major pollutants in waste water, so at first people carried out large quantity research aspect organic wastewater utilizing MFCs to process, and obtained major progress.
The microbiological fuel cell technology has been showed good application prospect in field of waste water treatment, but it is applied to waste water treatment, also has many problems to need to be resolved hurrily.At first, existing microbiological fuel cell utilizes anaerobic digestion techniques to process organic wastewater and has obtained better effects, but its denitrification effect is also not satisfactory, and in nitrate pollution day by day serious today, exploitation has simultaneous denitrification except the trend of the times of carbon functional microbiological fuel cell; Secondly, the negative electrode cost is higher, has limited its promotion and application, and the cathode electronics acceptors such as the iron cyanide, permanganate and bichromate are non-renewable, needs often to change, and the cathode load take oxygen as electron acceptor needs the noble metal catalysts such as Pt, and the aeration power consumption is large; Again, acidifying easily occurs in anolyte, causes the technique unstability, due to the difference of separation membrane both sides ion permeability, anolyte pH decline acidifying, anode chamber's microbial activity is descended, and the battery power output reduces, and stability test descends, for keeping the stable of anolyte pH, adopt added the high-concentration phosphoric acid salt buffer solution more in anolyte at present, and cost is higher, also easily causes secondary pollution.
Anammox is take ammonia as electron donor, and nitrite is the microbial reaction that electron acceptor produces nitrogen.Due to economical and efficient, anaerobic ammonia oxidation process has become the important technology of denitrogenation of waste water.With Anammox and anaerobic digestion techniques associating, can realize the simultaneous denitrification de-carbon; Nitrite nitrogen both can be used as the electron donor of Anammox, also can be used as the cathode electronics donor of microbiological fuel cell, can effectively reduce the negative electrode cost of microbiological fuel cell; Anammox is one and produces alkali reaction, and its effluent recycling to the anode chamber, can effectively be alleviated anolyte acidifying problem, reduces maintenance cost, improves its operation stability.
For many defectives of existing microbiological fuel cell technology, the present invention utilizes high efficiency synchronous removal of carbon and nitrogen microbiological fuel cell to process organic wastewater and nitrogenous effluent, realizes synchronous denitrogenation of waste water de-carbon and biological electrogenesis, significantly reduces the waste water treatment expense; Utilize Anammox reactant nitrite as electron acceptor, can effectively reduce the operating cost of microbiological fuel cell; Utilize the Anammox water outlet to regulate anolyte pH, effectively solve anolyte acidifying problem, reduce maintenance cost, improve the operation stability of microbiological fuel cell, increase its electrogenesis power.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of high efficiency synchronous removal of carbon and nitrogen microbiological fuel cell is provided.
high efficiency synchronous removal of carbon and nitrogen microbiological fuel cell comprises anaerobically digested sludge, water inlet pipe, anolyte, outlet pipe, anode, anaerobic digestion chamber, standby probe sleeve, flange, separation membrane, wire, load, Anammox chamber, negative electrode, catholyte, return duct, Anammox mud, anaerobic digestion chamber lower sides is provided with water inlet pipe, anaerobic digestion chamber upper portion side wall is provided with outlet pipe, the indoor anaerobic digestion anode that is provided with of anaerobic digestion, the indoor anolyte that is equipped with of anaerobic digestion, inoculate anaerobically digested sludge in anolyte, adhere to anaerobically digested sludge on the anaerobic digestion anode, top, anaerobic digestion chamber is provided with standby probe sleeve, Anammox chamber lower sides is provided with water inlet pipe, Anammox chamber upper portion side wall is provided with outlet pipe, the indoor Anammox negative electrode that is provided with of Anammox, the indoor catholyte that is equipped with of Anammox, inoculation Anammox mud in catholyte, adhere to Anammox mud on the Anammox negative electrode, top, Anammox chamber is provided with standby probe sleeve, the anaerobic digestion chamber connects by flange with the Anammox chamber, be fixed with separation membrane on flange, anaerobic digestion chamber and Anammox chamber are communicated with by return duct, the load two ends are connected with the Anammox negative electrode with the anaerobic digestion anode respectively by wire.
The ratio of the volume of the volume of described anaerobic digestion chamber and Anammox chamber is 1:1, and the volume of anaerobically digested sludge is 1/10 ~ 1/4 with the ratio of the volume of anaerobic digestion chamber, and the volume of Anammox mud is 1/10 ~ 1/4 with the ratio of the volume of Anammox chamber.
Described anolyte is organic wastewater, and catholyte is for containing ammonia and nitrite waste water.
The electric conducting material of described anaerobic digestion anode and Anammox negative electrode is carbon paper, carbon cloth, carbon felt, graphite felt or graphite cake, distance between anaerobic digestion anode and Anammox negative electrode is 2 ~ 10cm, and the area of anaerobic digestion anode is 8 ~ 50 m with the ratio of the volume of anaerobic digestion chamber
2: 1 m
3, the area of Anammox negative electrode is 8 ~ 50 m with the ratio of the volume of Anammox chamber
2: 1 m
3
The material of described separation membrane is cation-exchange membrane, anion-exchange membrane, proton exchange membrane, Bipolar Membrane, microfiltration membranes or milipore filter.
The beneficial effect that the present invention compared with prior art has: (1) combined anaerobic digestion, Anammox and microbiological fuel cell technology, realize high efficiency synchronous removal of carbon and nitrogen electrogenesis, reduce cost for wastewater treatment.(2) take Anammox reactant nitrite nitrogen as electron donor, the treatment of wastes with processes of wastes against one another reduces the negative electrode cost.(3) utilize the Anammox water outlet to regulate anolyte pH, effectively solve anolyte acidifying problem, reduce maintenance cost, improve the operation stability of microbiological fuel cell, increase its electrogenesis power.Evidence, the high efficiency synchronous removal of carbon and nitrogen microbiological fuel cell of exploitation can be realized the efficient denitrification de-carbon accordingly, and runnability is stable, and electrogenesis power is high.
Description of drawings
Fig. 1 is high efficiency synchronous removal of carbon and nitrogen microbiological fuel cell structural representation;
In figure: anaerobically digested sludge 1, water inlet pipe 2, anolyte 3, outlet pipe 4, anode 5, anaerobic digestion chamber 6, standby probe sleeve 7, flange 8, separation membrane 9, wire 10, load 11, Anammox chamber 12, negative electrode 13, catholyte 14, return duct 15, Anammox mud 16.
Embodiment
as shown in Figure 1, high efficiency synchronous removal of carbon and nitrogen microbiological fuel cell comprises anaerobically digested sludge 1, water inlet pipe 2, anolyte 3, outlet pipe 4, anode 5, anaerobic digestion chamber 6, standby probe sleeve 7, flange 8, separation membrane 9, wire 10, load 11, Anammox chamber 12, negative electrode 13, catholyte 14, return duct 15, Anammox mud 16, anaerobic digestion chamber 6 lower sides are provided with water inlet pipe 2, anaerobic digestion chamber 6 upper portion side wall are provided with outlet pipe 4, be provided with anaerobic digestion anode 5 in anaerobic digestion chamber 6, anolyte 3 is housed in anaerobic digestion chamber 6, inoculation anaerobically digested sludge 1 in anolyte 3, adhere to anaerobically digested sludge 1 on anaerobic digestion anode 5, 6 tops, anaerobic digestion chamber are provided with standby probe sleeve 7, Anammox chamber 12 lower sides are provided with water inlet pipe 2, Anammox chamber 12 upper portion side wall are provided with outlet pipe 4, be provided with Anammox negative electrode 13 in Anammox chamber 12, catholyte 14 is housed in Anammox chamber 12, inoculation Anammox mud 16 in catholyte 14, adhere to Anammox mud 16 on Anammox negative electrode 13, 12 tops, Anammox chamber are provided with standby probe sleeve 7, are connected with the Anammox chamber and connect by flange 8 in anaerobic digestion chamber 6, be fixed with separation membrane 9 on flange 8, anaerobic digestion chamber 6 and Anammox chamber 12 are communicated with by return duct 15, load 11 two ends are connected with Anammox negative electrode 13 with anaerobic digestion anode 5 respectively by wire 10.
The ratio of the volume of the volume of described anaerobic digestion chamber 6 and Anammox chamber 12 is 1:1, the volume of anaerobically digested sludge 1 is 1/10 ~ 1/4 with the ratio of the volume of anaerobic digestion chamber 6, and the volume of Anammox mud 16 is 1/10 ~ 1/4 with the ratio of the volume of Anammox chamber 12.
Described anolyte 3 is organic wastewater, and catholyte 14 is for containing ammonia and nitrite waste water.
The electric conducting material of described anaerobic digestion anode 5 and Anammox negative electrode 13 is carbon paper, carbon cloth, carbon felt, graphite felt or graphite cake, distance between anaerobic digestion anode 5 and Anammox negative electrode 13 is 2 ~ 10cm, and the area of anaerobic digestion anode 5 is 8 ~ 50 m with the ratio of the volume of anaerobic digestion chamber 6
2: 1 m
3, the area of Anammox negative electrode 13 is 8 ~ 50 m with the ratio of the volume of Anammox chamber 12
2: 1 m
3
The material of described separation membrane 9 is cation-exchange membrane, anion-exchange membrane, proton exchange membrane, Bipolar Membrane, microfiltration membranes or milipore filter.
it is indoor that anaerobically digested sludge is seeded to anaerobic digestion, organic wastewater introducing anaerobic digestion chamber acts as a fuel, organic substance decomposes the release electronics through heterotroph, complete the de-carbon process, Anammox chamber inoculation Anammox mud, nitrogenous effluent introducing Anammox chamber, nitrite nitrogen is as electron donor, ammonia nitrogen and nitrite nitrogen are converted into nitrogen through anaerobic ammonia oxidizing bacteria, complete denitrification process, the electronics that in anolyte, organic substance decomposing discharges is received by the anaerobic digestion anode, the electronics that the anaerobic digestion anode is accepted is through connecting wire and load transfer to the Anammox negative electrode, electronics is used for the nitrite nitrogen reduction of catholyte, realize electrogenesis, the Anammox chamber contains the alkali effluent recycling to the anaerobic digestion chamber, alleviate anolyte acidifying problem, make microbiological fuel cell stable operation.
Claims (5)
1. a high efficiency synchronous removal of carbon and nitrogen microbiological fuel cell, is characterized in that it comprises anaerobically digested sludge (1), water inlet pipe (2), anolyte (3), outlet pipe (4), anode (5), anaerobic digestion chamber (6), standby probe sleeve (7), flange (8), separation membrane (9), wire (10), load (11), Anammox chamber (12), negative electrode (13), catholyte (14), return duct (15), Anammox mud (16), anaerobic digestion chamber (6) lower sides is provided with water inlet pipe (2), anaerobic digestion chamber (6) upper portion side wall is provided with outlet pipe (4), be provided with anaerobic digestion anode (5) in anaerobic digestion chamber (6), anolyte (3) is housed in anaerobic digestion chamber (6), inoculation anaerobically digested sludge (1) in anolyte (3), adhere to anaerobically digested sludge (1) on anaerobic digestion anode (5), top, anaerobic digestion chamber (6) is provided with standby probe sleeve (7), Anammox chamber (12) lower sides is provided with water inlet pipe (2), Anammox chamber (12) upper portion side wall is provided with outlet pipe (4), be provided with Anammox negative electrode (13) in Anammox chamber (12), catholyte (14) is housed in Anammox chamber (12), inoculation Anammox mud (16) in catholyte (14), adhere to Anammox mud (16) on Anammox negative electrode (13), top, Anammox chamber (12) is provided with standby probe sleeve (7), anaerobic digestion chamber (6) is connected 12 with the Anammox chamber) connect by flange (8), be fixed with separation membrane (9) on flange (8), anaerobic digestion chamber (6) and Anammox chamber (12) are communicated with by return duct (15), load (11) two ends are connected with Anammox negative electrode (13) with anaerobic digestion anode (5) respectively by wire (10).
2. a kind of high efficiency synchronous removal of carbon and nitrogen microbiological fuel cell according to claim 1, the ratio that it is characterized in that the volume of the volume of described anaerobic digestion chamber (6) and Anammox chamber (12) is 1:1, the ratio of the volume of the volume of anaerobically digested sludge (1) and anaerobic digestion chamber (6) is 1/10 ~ 1/4, and the ratio of the volume of the volume of Anammox mud (16) and Anammox chamber (12) is 1/10 ~ 1/4.
3. a kind of high efficiency synchronous removal of carbon and nitrogen microbiological fuel cell according to claim 1, is characterized in that described anolyte (3) is organic wastewater, and catholyte (14) is for containing ammonia and nitrite waste water.
4. a kind of high efficiency synchronous removal of carbon and nitrogen microbiological fuel cell according to claim 1, the electric conducting material that it is characterized in that described anaerobic digestion anode (5) and Anammox negative electrode (13) is carbon paper, carbon cloth, carbon felt, graphite felt or graphite cake, distance between anaerobic digestion anode (5) and Anammox negative electrode (13) is 2 ~ 10cm, and the ratio of the volume of the area of anaerobic digestion anode (5) and anaerobic digestion chamber (6) is 8 ~ 50 m
2: 1 m
3, the ratio of the volume of the area of Anammox negative electrode (13) and Anammox chamber (12) is 8 ~ 50 m
2: 1 m
3
5. a kind of high efficiency synchronous removal of carbon and nitrogen microbiological fuel cell according to claim 1, the material that it is characterized in that described separation membrane (9) is cation-exchange membrane, anion-exchange membrane, proton exchange membrane, Bipolar Membrane, microfiltration membranes or milipore filter.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064794A (en) * | 2014-07-14 | 2014-09-24 | 中国海洋大学 | Microbial fuel cell capable of repairing nitrate polluted underground water in situ |
| CN105948222A (en) * | 2016-06-23 | 2016-09-21 | 浙江大学 | Anaerobic digestion, denitrification and anaerobic ammonium oxidation bioelectrochemical system and method |
| CN106186302A (en) * | 2016-07-04 | 2016-12-07 | 中国环境科学研究院 | A kind of device repairing subsoil water based on electrode biomembrane and microbiological fuel cell |
| CN107098459A (en) * | 2017-03-10 | 2017-08-29 | 广东工业大学 | A kind of electrochemical appliance and processing method for handling ammonia nitrogen in high density organic wastewater |
| CN107195940A (en) * | 2017-06-20 | 2017-09-22 | 江南大学 | The method of one kind reinforcing non-buffered microbiological fuel cell (BLMFC) electricity generation performance |
| CN108183251A (en) * | 2017-12-26 | 2018-06-19 | 太原理工大学 | A kind of microbiological fuel cell BCS1-MFC systems for handling low C/N waste water and its method for handling waste water |
| CN109574201A (en) * | 2018-12-27 | 2019-04-05 | 华北电力大学 | Organic and desulfurization wastewater microbiological fuel cell cooperative processing method and system |
| CN109638327A (en) * | 2018-12-19 | 2019-04-16 | 大连理工大学 | A kind of technique carrying out denitrogenation electricity production with single chamber anaerobic ammonium oxidation sludge-microbial fuel cell unit |
| CN109704461A (en) * | 2018-12-27 | 2019-05-03 | 大连海洋大学 | A kind of MFC cathode couples reactor and its application of SNAD |
| CN110156147A (en) * | 2019-04-26 | 2019-08-23 | 内蒙古大学 | Efficient denitrification produces electricity wastewater treatment method |
| CN111146484A (en) * | 2020-01-21 | 2020-05-12 | 河海大学 | Microbial fuel cell and method for promoting wastewater denitrification of microbial fuel cell |
| CN111573821A (en) * | 2020-05-22 | 2020-08-25 | 盐城工学院 | Electrode denitrification system based on autotrophic short-cut denitrification-anaerobic ammonia oxidation module |
| CN111807503A (en) * | 2020-07-20 | 2020-10-23 | 南京神克隆水务有限公司 | Oxygen-limited microbial desalting tank and wastewater treatment method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101794896A (en) * | 2010-03-23 | 2010-08-04 | 浙江大学 | Anaerobic ammonia oxidation microbiological fuel cell |
| CN102324544A (en) * | 2011-09-05 | 2012-01-18 | 浙江工商大学 | Microbiological fuel cell for removing nitrogen and phosphorus |
| CN203119032U (en) * | 2013-01-25 | 2013-08-07 | 浙江大学 | Microorganism fuel battery capable of efficiently achieving synchronous denitrification and carbon removal |
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2013
- 2013-01-25 CN CN201310029011.8A patent/CN103094597B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794896A (en) * | 2010-03-23 | 2010-08-04 | 浙江大学 | Anaerobic ammonia oxidation microbiological fuel cell |
| CN102324544A (en) * | 2011-09-05 | 2012-01-18 | 浙江工商大学 | Microbiological fuel cell for removing nitrogen and phosphorus |
| CN203119032U (en) * | 2013-01-25 | 2013-08-07 | 浙江大学 | Microorganism fuel battery capable of efficiently achieving synchronous denitrification and carbon removal |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064794B (en) * | 2014-07-14 | 2016-04-13 | 中国海洋大学 | A kind of microbiological fuel cell of in-situ remediation of underground water azotate pollution |
| CN104064794A (en) * | 2014-07-14 | 2014-09-24 | 中国海洋大学 | Microbial fuel cell capable of repairing nitrate polluted underground water in situ |
| CN105948222A (en) * | 2016-06-23 | 2016-09-21 | 浙江大学 | Anaerobic digestion, denitrification and anaerobic ammonium oxidation bioelectrochemical system and method |
| CN105948222B (en) * | 2016-06-23 | 2018-09-07 | 浙江大学 | Anaerobic digestion denitrification anaerobic ammoxidation bioelectrochemical system and method |
| CN106186302B (en) * | 2016-07-04 | 2019-10-29 | 中国环境科学研究院 | A kind of device for repairing underground water based on electrode biomembrane and microbiological fuel cell |
| CN106186302A (en) * | 2016-07-04 | 2016-12-07 | 中国环境科学研究院 | A kind of device repairing subsoil water based on electrode biomembrane and microbiological fuel cell |
| CN107098459A (en) * | 2017-03-10 | 2017-08-29 | 广东工业大学 | A kind of electrochemical appliance and processing method for handling ammonia nitrogen in high density organic wastewater |
| CN107098459B (en) * | 2017-03-10 | 2020-08-11 | 广东工业大学 | Electrochemical device and method for treating high-concentration ammonia nitrogen organic wastewater |
| CN107195940A (en) * | 2017-06-20 | 2017-09-22 | 江南大学 | The method of one kind reinforcing non-buffered microbiological fuel cell (BLMFC) electricity generation performance |
| CN108183251B (en) * | 2017-12-26 | 2020-07-10 | 太原理工大学 | Microbial fuel cell BCS1-MFC system for treating low C/N wastewater and wastewater treatment method thereof |
| CN108183251A (en) * | 2017-12-26 | 2018-06-19 | 太原理工大学 | A kind of microbiological fuel cell BCS1-MFC systems for handling low C/N waste water and its method for handling waste water |
| CN109638327A (en) * | 2018-12-19 | 2019-04-16 | 大连理工大学 | A kind of technique carrying out denitrogenation electricity production with single chamber anaerobic ammonium oxidation sludge-microbial fuel cell unit |
| CN109638327B (en) * | 2018-12-19 | 2021-05-18 | 大连理工大学 | Process for denitrification and power generation by using single-chamber anaerobic ammonia oxidation sludge-microbial fuel cell device |
| CN109704461A (en) * | 2018-12-27 | 2019-05-03 | 大连海洋大学 | A kind of MFC cathode couples reactor and its application of SNAD |
| CN109574201A (en) * | 2018-12-27 | 2019-04-05 | 华北电力大学 | Organic and desulfurization wastewater microbiological fuel cell cooperative processing method and system |
| CN110156147A (en) * | 2019-04-26 | 2019-08-23 | 内蒙古大学 | Efficient denitrification produces electricity wastewater treatment method |
| CN110156147B (en) * | 2019-04-26 | 2022-04-08 | 内蒙古大学 | Efficient denitrification and electrogenesis wastewater treatment method |
| CN111146484A (en) * | 2020-01-21 | 2020-05-12 | 河海大学 | Microbial fuel cell and method for promoting wastewater denitrification of microbial fuel cell |
| CN111573821A (en) * | 2020-05-22 | 2020-08-25 | 盐城工学院 | Electrode denitrification system based on autotrophic short-cut denitrification-anaerobic ammonia oxidation module |
| CN111807503A (en) * | 2020-07-20 | 2020-10-23 | 南京神克隆水务有限公司 | Oxygen-limited microbial desalting tank and wastewater treatment method |
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