CN101943677B - Blue green algae concentration monitoring system with microorganism fuel cell power supply - Google Patents
Blue green algae concentration monitoring system with microorganism fuel cell power supply Download PDFInfo
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- CN101943677B CN101943677B CN2010102736312A CN201010273631A CN101943677B CN 101943677 B CN101943677 B CN 101943677B CN 2010102736312 A CN2010102736312 A CN 2010102736312A CN 201010273631 A CN201010273631 A CN 201010273631A CN 101943677 B CN101943677 B CN 101943677B
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- green algae
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention discloses a blue green algae concentration monitoring system with a microorganism fuel cell power supply. The system comprises a blue green algae microorganism fuel cell (1), a blue green algae concentration signal processing module (2) and a direct current-direct current conversion circuit (3) and is characterized in that: the blue green algae microorganism fuel cell (1) provides a blue green algae concentration signal VS for the blue green algae concentration signal processing module (2); the blue green algae microorganism fuel cell (1) is connected in parallel with the direct current-direct current conversion circuit (3); and the direct current-direct current conversion circuit (3) lifts a voltage VIN generated by the blue green algae microorganism fuel cell (1) and the lifted voltage serves as the working power supply voltage VOUT of the blue green algae concentration signal processing module (2). When used for monitoring blue green algae concentration, the system has the advantages of simple and convenient operation, low cost, capability of reading in time, no need of standby power supply, no need of adding any chemical substance, independence of sunshine and no adverse effect on the environment.
Description
Technical field
The invention belongs to blue-green algae concentration monitor technical field, be specifically related to a kind of blue-green algae density monitoring system that carries the microbiological fuel cell power supply.
Background technology
Because entering of water herded in a large amount of sanitary sewages, industrial waste water, agricultural fishing, make most of water body suffer in various degree pollution.Urban water supply caused have a strong impact on.According to investigations, China has the drinking water source more than 90% to be polluted in 430 cities, causes the eutrophication of water body, and economic loss reaches 37,700,000,000 yuan, and the most obvious feature of eutrophication is exactly the excessive multiplication of algae, the contaminant water environment.In the face of the present situation of water body algae pollution, multiple improvement technology is used for the control of algae pollution.The effect that the situation of pre-monitoring water body algae pollution and evaluation are administered must possess first technology and instrument that concentration of algae is measured.At present for the measurement of concentration of algae the chlorophyll measurement method that reads the frustule number under the light microscopic and change according to light/electricity etc. is arranged.The measuring method of these existing concentration of algae and technology, existence need provide external power source, complicated operation, cost higher, the deficiency such as can not in time read.
In recent years, about the research of microbiological fuel cell (MFC) larger progress has been arranged, the ultimate principle of MFC is for utilizing microbial bacterial to produce biological power by living beings.The typical electrogenesis bacterium of having found at present has the multiple-microorganisms such as saccharomycete, Escherichia coli and Xi Washi spoilage organisms, and particularly relevant algae has been reported as the research of electrogenesis bacterium.Electricity generation ability and the concentration of algae correlation of blue-green algae have been observed in based on the experiment of MFC principle the inventor, can set up concentration of algae-voltage curve by the voltage value of the concentration of algae generation corresponding to it set, thereby consist of the blue-green algae density monitoring system based on the MFC principle, need not outer stand-by power source, need not to add chemical substance, environment is had no adverse effect, do not rely on sunlight etc., realize the measurement of blue-green algae concentration.
Correlative study shows that the microorganism such as blue-green algae has electricity generation ability in MFC, but its voltage that produces (VS in the accompanying drawing) lower (single-unit MFC only produces the voltage of 0.2～0.8V usually) can not use its power supply as monitoring system.Thereby, when the lake blue algae concentration monitor, all be required to be monitoring system and be equipped with power supply facilities (such as line of electric force, battery etc.), though may there be the technology such as sun power to provide power autonomous for monitoring system, but be still to need accumulator that power supply is provided without sunlight, and complex structure, cost is high, operation and maintenance is loaded down with trivial details.
The present invention is based on the research of microbiological fuel cell, in line with all deficiencies that solve prior art monitoring water body algae pollution system.
Summary of the invention
The object of the invention is to provide a kind of blue-green algae density monitoring system that carries the microbiological fuel cell power supply, solved that monitoring system in the prior art can not self-supporting power needs external power supply or with the deficiency of chemical storage batteries.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of blue-green algae density monitoring system that carries the microbiological fuel cell power supply, comprise algae microorganism fuel cell, blue-green algae concentration signal processing module and DC-DC transfer circuit, it is characterized in that described algae microorganism fuel cell provides blue-green algae concentration signal V to blue-green algae concentration signal processing module
SThe described algae microorganism fuel cell DC-DC transfer circuit that is connected in parallel, the voltage V that algae microorganism fuel cell is produced by DC-DC transfer circuit
INRear working power voltage V as blue-green algae concentration signal processing module boosts
OUTPreferably, described algae microorganism fuel cell comprises the anode chamber that communicates with the algae-containing water body and the cathode chamber that charges conduction liquid, and the described positive and negative utmost point is separated by amberplex between the chamber.
This blue-green algae density monitoring system that carries the microbiological fuel cell power supply is based on microbiological fuel cell (MFC) principle, comprise algae microorganism fuel cell, blue-green algae concentration signal processing module and DC-DC transfer circuit, described algae microorganism fuel cell and blue-green algae concentration signal processing module are direct-connected to provide blue-green algae concentration signal V to blue-green algae concentration signal processing module
SAnd described algae microorganism fuel cell is by the DC-DC transfer circuit blue-green algae concentration signal processing module that is connected in parallel, the voltage V that algae microorganism fuel cell is produced by DC-DC transfer circuit
INRear suitable operating voltage V as blue-green algae concentration signal processing module boosts
OUT
Preferably, the open anode chamber of described anode chamber for communicating with the alage in lake water body.
Preferably, the anode electrode that contacts with the algae-containing water body is set in the described anode chamber, in the described cathode chamber cathode electrode is set; The feed circuit that are connected in parallel blue-green algae concentration signal processing module and boost by DC transfer circuit between described positive and negative utmost point electrode, described feed circuit are connected with blue-green algae concentration signal processing module provides blue-green algae concentration signal processing module electric energy.
Preferably, described positive and negative utmost point electrode is selected from respectively carbon cloth electrode, carbon felt electrode, metal electrode, graphite electrode.
Preferably, described conduction liquid is selected the lake Yuan Shui behind NaCl solution, the filtering blue-green algae.
Preferably, described DC transfer circuit is boost conversion circuit.
The inventor has the characteristic of electricity generation ability in MFC based on blue-green algae, in the blue-green algae concentration monitor, with algae microorganism fuel cell be connected in parallel blue-green algae concentration signal processing module and DC transfer circuit, provide voltage signal V with blue-green algae concentration correlation to blue-green algae concentration signal processing module on the one hand
S, its lower voltage V that produces on the other hand
INAfter DC transfer circuit is boosted as the suitable operating voltage V of blue-green algae concentration signal processing module
OUT
The blue-green algae density monitoring system that carries the microbiological fuel cell power supply of the present invention, have easy and simple to handle, cost is low, can in time read, need not outer stand-by power source, need not to add chemical substance, environment is had no adverse effect, do not rely on the advantages such as sunlight.
The present invention carries the blue-green algae density monitoring system of microbiological fuel cell power supply, this system is based on microbiological fuel cell (MFC) principle, by anode electrode, be positioned at amberplex, the cathode electrode between anode and cathode electrode, the cathode chamber that charges conduction liquid, blue-green algae concentration signal processing module and DC-DC transfer circuit and form.The open anode chamber of anode chamber for communicating with the alage in lake water body.Anode electrode can be made of carbon cloth, carbon felt, metal or other conductive materials.Cathode electrode can be made of carbon cloth, carbon felt, metal or other conductive materials.Charge the conduction liquid that charges in the cathode chamber of conduction liquid, can be consisted of by the former water in lake and other electrolytic solution behind NaCl solution, the filtering blue-green algae.
The present invention finds through the MFC that studies for a long period of time, the electricity generation ability of blue-green algae and concentration of algae correlation, can set up concentration of algae-voltage curve by the voltage value of the concentration of algae generation corresponding to it set, thereby formation is based on the blue-green algae concentration signal processing module of MFC principle.Because the microorganisms such as blue-green algae have electricity generation ability in MFC, but its voltage that produces lower (single-unit MFC only produces the voltage of 0.2～0.8V usually) can not use its power supply as monitoring system.Thereby, when the lake blue algae concentration monitor, all be required to be monitoring system and be equipped with power supply facilities (such as line of electric force, battery etc.), though may there be the technology such as sun power to provide power autonomous for monitoring system, but without sunlight the time, still need accumulator that power supply is provided, and complex structure, cost is high, operation and maintenance is loaded down with trivial details.The inventor has the characteristic of electricity generation ability in MFC based on blue-green algae, in the blue-green algae concentration monitor, 0.2～0.8V low voltage of its output is boosted to the voltage of 3～5V by DC-DC transfer circuit, for the circuit in the monitoring system provides suitable working power, need not outer stand-by power source and sunlight, realize the monitoring of lake blue algae concentration.Blue-green algae density monitoring system of the present invention like this need not outer stand-by power source, need not to add chemical substance, does not rely on sunlight etc., realizes the measurement of blue-green algae concentration.
With respect to scheme of the prior art, advantage of the present invention is:
The blue-green algae density monitoring system that carries the microbiological fuel cell power supply of the present invention, have easy and simple to handle, cost is low, can in time read, need not outer stand-by power source, need not to add chemical substance, do not rely on sunlight, to advantages such as environment have no adverse effect, can be applicable to the monitoring of lake blue algae concentration, belong to environmental technology field.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is the schematic diagram that the embodiment of the invention carries the blue-green algae density monitoring system of microbiological fuel cell power supply.
Wherein: 1 is algae microorganism fuel cell; 2 is blue-green algae concentration signal processing module; 3 is the DC-DC translation circuit;
11 is the open anode chamber that communicates with the alage in lake water body, and 15 for charging the cathode chamber of conduction liquid; 12 is anode electrode; 14 is cathode electrode, and 13 is amberplex.
Embodiment
Below in conjunction with specific embodiment such scheme is described further.Should be understood that these embodiment are not limited to limit the scope of the invention for explanation the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment as shown in Figure 1, this carries the blue-green algae density monitoring system of microbiological fuel cell power supply, based on microbiological fuel cell (MFC) principle, comprise algae microorganism fuel cell 1, blue-green algae concentration signal processing module 2 and DC-DC transfer circuit 3, described algae microorganism fuel cell 1 provides blue-green algae concentration signal V to blue-green algae concentration signal processing module 2
SDescribed algae microorganism fuel cell 1 DC-DC transfer circuit 3 that is connected in parallel, the voltage V that algae microorganism fuel cell 1 is produced by DC-DC transfer circuit 3
INRear working power voltage V as blue-green algae concentration signal processing module 2 boosts
OUT
Algae microorganism fuel cell 1 comprises the anode chamber 11 that communicates with the algae-containing water body and the cathode chamber 15 that charges conduction liquid, and 11,15 of described positive and negative utmost point chambers are passed through amberplex 13 and separated.The open anode chamber of described anode chamber 11 for communicating with the alage in lake water body.The anode electrode 12 that the 11 interior settings of described anode chamber contact with the algae-containing water body, the described cathode chamber 15 interior cathode electrodes 14 that arrange; 12,14 feed circuit that are connected in parallel blue-green algae concentration signal processing module 2 and boost by DC-DC transfer circuit 3 of described positive and negative utmost point electrode, described feed circuit are connected with blue-green algae concentration signal processing module 2 provides blue-green algae concentration signal processing module 2 electric energy.Described positive and negative utmost point electrode 12,14 is selected graphite electrode.Described conduction liquid is selected NaCl solution.Described DC-DC transfer circuit 3 is boost conversion circuit.
In this microbiological fuel cell (MFC), utilize the electricity generation ability of blue-green algae and the characteristic of concentration of algae correlation that the concentration of algae in the lake is converted to corresponding electrical quantity, contrast can be read the concentration of algae of blue-green algae liquid to be measured by the blue-green algae concentration of testing acquisition-voltage control curve; Simultaneously, 0.2～0.8V low voltage (V among Fig. 1 of this microbiological fuel cell (MFC) generation
IN) boost to the voltage (V among Fig. 1 of 3～5V by the DC-DC translation circuit
OUT), for the circuit in the monitoring system provides suitable working power.This system can carry out in the lake monitoring of blue-green algae concentration, and is easy and simple to handle, cost is low, can in time read, need not outer stand-by power source, need not to add chemical substance, do not rely on sunlight, environment is had no adverse effect.
Above-mentioned example only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with technique can understand content of the present invention and according to this enforcement, can not limit protection scope of the present invention with this.All equivalent transformations that Spirit Essence is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (7)
1. blue-green algae density monitoring system that carries the microbiological fuel cell power supply, comprise algae microorganism fuel cell (1), blue-green algae concentration signal processing module (2) and DC-DC transfer circuit (3), it is characterized in that described algae microorganism fuel cell (1) provides blue-green algae concentration signal V to blue-green algae concentration signal processing module (2)
SDescribed algae microorganism fuel cell (1) DC-DC transfer circuit (3) that is connected in parallel, the voltage V that algae microorganism fuel cell (1) is produced by DC-DC transfer circuit (3)
INRear working power voltage V as blue-green algae concentration signal processing module (2) boosts
OUT
2. the blue-green algae density monitoring system that carries the microbiological fuel cell power supply according to claim 1, it is characterized in that described algae microorganism fuel cell (1) comprises the anode chamber (11) that communicates with the algae-containing water body and the cathode chamber (15) that charges conduction liquid, separate by amberplex (13) between described positive and negative utmost point chamber (11,15).
3. the blue-green algae density monitoring system that carries the microbiological fuel cell power supply according to claim 2 is characterized in that the open anode chamber of described anode chamber (11) for communicating with the alage in lake water body.
4. the blue-green algae density monitoring system that carries the microbiological fuel cell power supply according to claim 2, it is characterized in that the anode electrode (12) that contacts with the algae-containing water body is set in the described anode chamber (11), cathode electrode (14) is set in the described cathode chamber (15); The feed circuit that are connected in parallel blue-green algae concentration signal processing module (2) and boost by DC-DC transfer circuit (3) between described positive and negative utmost point electrode (12,14), described feed circuit are connected with blue-green algae concentration signal processing module (2) provides blue-green algae concentration signal processing module (2) electric energy.
5. the blue-green algae density monitoring system that carries the microbiological fuel cell power supply according to claim 2 is characterized in that described positive and negative utmost point electrode (12,14) is selected from respectively carbon cloth electrode, carbon felt electrode, metal electrode, graphite electrode.
6. the blue-green algae density monitoring system that carries the microbiological fuel cell power supply according to claim 2 is characterized in that the lake Yuan Shui after described conduction liquid is selected NaCl solution or filtering blue-green algae.
7. the blue-green algae density monitoring system that carries the microbiological fuel cell power supply according to claim 1 is characterized in that described DC-DC transfer circuit (3) is boost conversion circuit.
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| CN2010102736312A CN101943677B (en) | 2010-09-07 | 2010-09-07 | Blue green algae concentration monitoring system with microorganism fuel cell power supply |
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| CN2010102736312A CN101943677B (en) | 2010-09-07 | 2010-09-07 | Blue green algae concentration monitoring system with microorganism fuel cell power supply |
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| CN101943677A CN101943677A (en) | 2011-01-12 |
| CN101943677B true CN101943677B (en) | 2013-01-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101975809A (en) * | 2010-10-22 | 2011-02-16 | 东南大学 | Blue-green algae concentration sensor |
| CN103427101A (en) * | 2012-05-22 | 2013-12-04 | 北京大学深圳研究生院 | Method for generating electric power from waste water by utilization of microbial fuel cell and for boosting voltage and storing |
Citations (4)
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|---|---|---|---|---|
| US5126034A (en) * | 1988-07-21 | 1992-06-30 | Medisense, Inc. | Bioelectrochemical electrodes |
| CA2378580A1 (en) * | 1999-07-07 | 2001-01-18 | Korea Institute Of Science And Technology | An electrochemical method for enrichment of microorganism, a biosensor for analyzing organic substance and bod |
| CN1575416A (en) * | 2001-08-24 | 2005-02-02 | 传感技术有限公司 | Methods for producing highly sensitive potentiometric sensors |
| CN201749102U (en) * | 2010-09-07 | 2011-02-16 | 东南大学 | Blue-green algae concentration monitoring system with own microbial fuel cell power supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003006713A1 (en) * | 2001-05-31 | 2003-01-23 | Michigan Biotechnology Institute | Electrode compositions and configurations for electrochemical bioreactor systems |
| US20080138663A1 (en) * | 2006-12-12 | 2008-06-12 | Canon Kabushiki Kaisha | Microbial electrode and fuel cell and sensor using the same |
| CN101620201B (en) * | 2009-08-03 | 2012-07-18 | 广东省生态环境与土壤研究所 | Measuring method of biochemical oxygen demand and BOD sensor and applications |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5126034A (en) * | 1988-07-21 | 1992-06-30 | Medisense, Inc. | Bioelectrochemical electrodes |
| CA2378580A1 (en) * | 1999-07-07 | 2001-01-18 | Korea Institute Of Science And Technology | An electrochemical method for enrichment of microorganism, a biosensor for analyzing organic substance and bod |
| CN1575416A (en) * | 2001-08-24 | 2005-02-02 | 传感技术有限公司 | Methods for producing highly sensitive potentiometric sensors |
| CN201749102U (en) * | 2010-09-07 | 2011-02-16 | 东南大学 | Blue-green algae concentration monitoring system with own microbial fuel cell power supply |
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