CN102557183A - Device and method for removing microcystins through catalytic creeping discharge of manganese-doped carbon gel - Google Patents
Device and method for removing microcystins through catalytic creeping discharge of manganese-doped carbon gel Download PDFInfo
- Publication number
- CN102557183A CN102557183A CN2012100528634A CN201210052863A CN102557183A CN 102557183 A CN102557183 A CN 102557183A CN 2012100528634 A CN2012100528634 A CN 2012100528634A CN 201210052863 A CN201210052863 A CN 201210052863A CN 102557183 A CN102557183 A CN 102557183A
- Authority
- CN
- China
- Prior art keywords
- reactor
- manganese
- positive electrode
- microcystin
- creeping discharge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Catalysts (AREA)
Abstract
The invention relates to a device and a method for removing microcystins through catalytic creeping discharge of manganese-doped carbon gel. The device comprises an insulation cylindrical reactor with a top cover and a bottom cover, a high-voltage pulse power supply and an aeration device, wherein a positive electrode is fixedly arranged in the center of the top cover of the reactor through a central hole; a negative electrode is fixedly arranged in the center of the bottom cover of the reactor through a central hole; the positive electrode and the negative electrode are respectively connected with a positive electrode and a negative electrode of the high-voltage pulse power supply; an air outlet is formed on the top cover of the reactor; and an aeration pipe is arranged at the bottom of the reactor and connected with the aeration device. The device has a simple structure and is convenient to operate; through aeration, the yield of an active substance is improved, and manganese-doped carbon gel particles are fluidified and fully contacted with pollutants; through transition metal manganese loaded on the surface of a carbon gel material, the yield of hydroxyl radicals can be effectively improved; and through a porous structure of the carbon gel material, the microcystins can be enriched, so that the effect of removing the microcystins is improved, and operation cost is reduced.
Description
Technical field
The invention belongs to environment nanotechnology and water treatment field, relate in particular to a kind of manganese doping charcoal gel catalysis creeping discharge and remove Microcystin device and method.
Background technology
Along with the quickening of process of industrialization, body eutrophication is day by day serious.In the poisons in freshwater of eutrophication, when having suitable physical and chemical condition, in the algae short period of time in water body, there is wawter bloom in amount reproduction gathering.When wawter bloom occurs, frond is dead can discharge a large amount of algae toxin, the serious harm mankind and hydrobiological safety.The cyanophycean toxin that in fresh water, bluish-green Trentepohlia secretion produces is the widest class algae toxin of pollution range having been found that at present, and wherein Microcystin is that toxicity is the strongest, the Fresh Watcr Blue Algae toxin of acute hazard maximum.In recent years, along with taking place frequently of blue-green alga bloom, China has a lot of lakes and water system to be all faced with the problem that Microcystin spreads unchecked.
Surface discharge plasma is a kind of effectively discharge type of degradable organic pollutant.Liquid surface discharge plasma be at liquid along discharging in the gas phase of face, produce various active substances, comprise ozone, free radical etc., the type of material depends on gas phase composition.These active substances are dissolved in water by gas phase top layer, with the pollutant reaction in water.The free radical producing in creeping discharge process has strong oxidizing property, has played vital effect in contaminant degradation, but the moment property buried in oblivion of free radical makes it be difficult to contact with the pollutent in liquid phase.Therefore, adopt catalysis technique to improve the productive rate of free radical and ozone, the H that promotion is soluble in the aqueous phase
2o
2deng Substance Transformation, become free radical to have great importance.
Charcoal gel is a kind of novel porous property Carbon Materials of development in recent years, take mesoporously as main, has that density is little, specific surface area is large, porosity is flourishing and the advantage such as aperture is adjustable, very promising at sorbent material, support of the catalyst field.The character of metal-doped charcoal gelatinous material makes it as sorbent material or catalyzer very advantageous all.The ozone that manganese doping charcoal gel produces in the time of can making full use of impulsive discharge etc., thus productive rate and the capacity usage ratio of free radical in surface discharge plasma system improved, realize the efficient degradation to organic pollutant.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of manganese doping charcoal gel catalysis creeping discharge to remove Microcystin device and method.
Manganese doping charcoal gel catalysis creeping discharge is removed Microcystin device and is comprised power supply, reactor and aerating apparatus, described power supply is high-voltage pulse power source, described reactor is the insulative cylinders cylinder of a removable top and bottom, in the center of reactor head, have the first centre hole, by the fixing positive electrode of flange for the first centre hole, in the center of reactor bottom cover, have the second centre hole, by the fixing negative potential of flange for the second centre hole, positive electrode is connected with the positive and negative electrode of high-voltage pulse power source respectively with negative potential, reactor top covers and is provided with production well, between reactor bottom cover and negative potential, be provided with aeration tube, aeration tube is connected with aerating apparatus by air inlet port.Described aerating apparatus comprises gas meter and coupled pneumatic pump, and gas meter is connected with the air inlet port of sidewall of reactor bottom, and air inlet port is arranged on sidewall of reactor bottom.
In described reactor, the material of positive electrode and negative potential is stainless material, and positive and negative electrode is all threaded rod and disk fixed connection structure, has the aperture of 12 or 28 equally distributed diameter 6-10 mm on disk.
Described reactor material can be polyethylene or quartz.
Manganese doping charcoal gel catalysis creeping discharge is removed Microcystin method and is comprised the following steps:
1, open the aerating apparatus air that exposes to the sun, by air flowmeter, controlling airshed is 10 L/h-80L/h.
2, the microcystin cellulose solution configuring is poured in reactor, the concentration of Microcystin is 0.5 ml-2 ml.
3, manganese is adulterated charcoal gel particle is poured in solution, by expose to the sun into the sufficient fluidisation of air bubble, wherein the dosage of manganese doping charcoal gel particle is 30 mg/L-100mg/l.
4, by adjusting the lead screw of reactor head, control positive electrode to distance 1 cm of liquid level, the lead screw of positive electrode is fixed on the first centre hole of reactor head, with flange, fix reactor head simultaneously.
5, turn on the power switch, input voltage is 10 kV-50 kV, and pulse-repetition is 100-2000 Hz, every 1min, closes swap switch, opens top cover sampling and removes test sample, measures the removal dose rate to algae toxin.
Beneficial effect of the present invention is: simple in structure, easy to operate, and by the air that exposes to the sun, improved the productive rate of active substance, and made manganese doping charcoal gel particle fluidisation, fully contact with pollutent.The transition metal manganese that loads on charcoal gelatinous material surface can effectively improve the productive rate of hydroxyl free radical.The vesicular structure of charcoal gelatinous material can enrichment Microcystin, thereby has improved the removal effect of algae toxin, has reduced running cost.Manganese doping charcoal gel has improved the utilization ratio of active substance in creeping discharge plasma, promotes ozone isoreactivity Substance Transformation to become the hydroxyl free radical that oxidisability is stronger, effectively removes Microcystin.The removal of algae toxin while can be used for drinking water resource alga eruption, also can be used for the removal of micro-Organic Pollutants in drinking water resource.
Accompanying drawing explanation
Fig. 1. manganese doping charcoal gel catalysis surface discharge plasma reaction unit.
Embodiment
For a better understanding of the present invention, below in conjunction with accompanying drawing and specific embodiment, the invention will be further described.
As shown in Figure 1, manganese doping charcoal gel catalysis creeping discharge is removed Microcystin device and is comprised power supply 1, reactor 2 and aerating apparatus, described power supply 1 is high-voltage pulse power source, described reactor 2 is an insulative cylinders cylinder that has removable top and bottom, center at reactor 2 top covers 3 has the first centre hole, by the fixing positive electrode 5 of flange for the first centre hole, center at reactor 2 bottoms 4 has the second centre hole, by the fixing negative potential 6 of flange for the second centre hole, positive electrode 5 is connected with the positive and negative electrode of power supply 1 respectively with negative potential 6, reactor 2 top covers are provided with production well 7, reactor 2 sidewall bottoms are provided with aeration tube 9, by the air inlet port 8 of reactor 2 sidewall bottoms, be connected with pneumatic pump 11 with gas meter 10 successively.Wherein in reactor, the material of positive electrode 5 and negative potential 6 is stainless material, and positive and negative electrode is all threaded rod and disk fixed connection structure, has the aperture of 12 or 28 equally distributed diameter 6-10 mm on disk.
Embodiment 1
1, open the flange of reactor 2 top covers 3, open top cover 3.Open aerating apparatus, the air that exposes to the sun, by air flowmeter 10, controlling airshed is 10 L/h.
2, the microcystin cellulose solution configuring is poured in reactor 2, solution total amount is 50 ml, and the concentration of Microcystin is 0.5mg/l.
3, manganese is adulterated charcoal gel particle is poured in solution, by expose to the sun into the sufficient fluidisation of air bubble, the dosage of manganese doping charcoal gel particle is 30 mg/L.
4, by adjusting the lead screw of the top cover 3 of reactor 2, control positive electrode 5 to distance 1 cm of liquid level, after having adjusted, with screw, the lead screw of positive electrode 5 is fixed on first centre hole of top cover 3 of reactor 2, with flange, fixes the top cover 3 of reactor 2 simultaneously.
5, opening power 1 switch, input voltage is 10kV, pulse-repetition is 100 Hz, every 1min, closes swap switch, opens top cover and samples 0.5 ml and remove test sample, processes that to record the removal dose rate of algae toxin after 6min be 90.4%.
Embodiment 2
1, open the flange of the top cover 3 of reactor 2, open top cover.Open aerating apparatus, the air that exposes to the sun, by air flowmeter 10, controlling airshed is 45L/h.
2, the microcystin cellulose solution configuring is poured in reactor 2, solution total amount is 50 ml, and the concentration of Microcystin is 1.25mg/l.
3, manganese is adulterated charcoal gel particle is poured in solution, by expose to the sun into the sufficient fluidisation of air bubble, the dosage of manganese doping charcoal gel particle is 65mg/L.
4, by adjusting the lead screw of the top cover 3 of reactor 2, control positive electrode 5 to distance 1 cm of liquid level, after having adjusted, with screw, the lead screw of positive electrode 5 is fixed on first centre hole of top cover 3 of reactor 2, with flange, fixes the top cover 3 of reactor 2 simultaneously.
5, opening power 1 switch, input voltage is 30kV, pulse-repetition is 1000 Hz, every 1min, closes swap switch, opens top cover and samples 0.5 ml and remove test sample, processes that to record the clearance of algae toxin after 6min be 96.8%.
Embodiment 3
1, open the flange of reactor 2 top covers 3, open top cover 3.Open aerating apparatus, the air that exposes to the sun, by air flowmeter 10, controlling airshed is 80 L/h.
2, the microcystin cellulose solution configuring is poured in reactor 2, solution total amount is 50 ml, and the concentration of Microcystin is 2mg/l.
3, manganese is adulterated charcoal gel particle is poured in solution, by expose to the sun into the sufficient fluidisation of air bubble, the dosage of manganese doping charcoal gel particle is 100 mg/L.
4, by adjusting the lead screw of the top cover 3 of reactor 2, control positive electrode 5 to distance 1 cm of liquid level, after having adjusted, with screw, the lead screw of positive electrode 5 is fixed on the centre hole of top cover 3 of reactor 2, with flange, fixes the top cover 3 of reactor 2 simultaneously.
5, opening power 1 switch, input voltage is 50 kV, pulse-repetition is 2000 Hz, every 1min, closes swap switch, opens top cover and samples 0.5 ml and remove test sample, processes that to record the clearance of algae toxin after 6 min be 99.95%.
Claims (4)
1. manganese doping charcoal gel catalysis creeping discharge removal Microcystin device comprises power supply, reactor and aerating apparatus, it is characterized in that: described power supply is high-voltage pulse power source, described reactor is the insulative cylinders cylinder of a removable top and bottom, in the center of reactor head, have the first centre hole, by the fixing positive electrode of flange for the first centre hole, in the center of reactor bottom cover, have the second centre hole, by the fixing negative potential of flange for the second centre hole, positive electrode is connected with the positive and negative electrode of high-voltage pulse power source respectively with negative potential, reactor top covers and is provided with production well, between reactor bottom cover and negative potential, be provided with aeration tube, aeration tube is connected with aerating apparatus by air inlet port, described aerating apparatus comprises gas meter and coupled pneumatic pump, gas meter is connected with the air inlet port of sidewall of reactor bottom, air inlet port is arranged on sidewall of reactor bottom.
2. Microcystin device is removed in manganese doping charcoal gel catalysis creeping discharge according to claim 1, it is characterized in that: in described reactor, the material of positive electrode and negative potential is stainless material, and positive and negative electrode is all threaded rod and disk fixed connection structure, on disk, there is the aperture of 12 or 28 equally distributed diameter 6-10 mm.
3. Microcystin device is removed in manganese doping charcoal gel catalysis creeping discharge according to claim 1, it is characterized in that: described reactor material can be polyethylene or quartz.
4. Microcystin method is removed in manganese doping charcoal gel catalysis creeping discharge, it is characterized in that the method comprises the following steps:
(1) open the aerating apparatus air that exposes to the sun, by air flowmeter, controlling airshed is 10 L/h-80L/h;
(2), the microcystin cellulose solution configuring is poured in reactor, the concentration of Microcystin is 0.5 ml-2 ml;
(3), the manganese charcoal gel particle that adulterates is poured in solution, by expose to the sun into the sufficient fluidisation of air bubble, wherein the dosage of manganese doping charcoal gel particle is 30 mg/L-100mg/l;
(4), by adjusting the lead screw of reactor head, control positive electrode to distance 1 cm of liquid level, the lead screw of positive electrode is fixed on the first centre hole of reactor head, with flange, fix reactor head simultaneously;
(5), turn on the power switch, input voltage is 10 kV-50 kV, pulse-repetition is 100-2000 Hz, every 1min, closes swap switch, opens top cover sampling and removes test sample, measures the removal dose rate to algae toxin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100528634A CN102557183A (en) | 2012-03-02 | 2012-03-02 | Device and method for removing microcystins through catalytic creeping discharge of manganese-doped carbon gel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100528634A CN102557183A (en) | 2012-03-02 | 2012-03-02 | Device and method for removing microcystins through catalytic creeping discharge of manganese-doped carbon gel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102557183A true CN102557183A (en) | 2012-07-11 |
Family
ID=46404005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100528634A Pending CN102557183A (en) | 2012-03-02 | 2012-03-02 | Device and method for removing microcystins through catalytic creeping discharge of manganese-doped carbon gel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102557183A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103613184A (en) * | 2013-10-21 | 2014-03-05 | 杭州电子科技大学 | Method for removing microcystins through catalytic creeping discharge of manganese-titanium co-doped carbon gel |
| CN105668709A (en) * | 2016-04-06 | 2016-06-15 | 杭州电子科技大学 | Device and method for degrading reactive blue by adopting pulse plasma of carbon gel electrode |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1663916A (en) * | 2004-12-16 | 2005-09-07 | 哈尔滨工业大学 | High-pressure pulse discharge catalytic oxidation method for removal of undegradable organic substances in water |
| CN101281821B (en) * | 2008-05-20 | 2010-09-15 | 中山大学 | Nano thread-shaped manganese dioxide load carbon silica aerogel as well as preparation method and application thereof |
| CN202440353U (en) * | 2012-03-02 | 2012-09-19 | 杭州电子科技大学 | Device for removing microcystin by catalyzing creeping discharge with manganese-doped carbon gel |
-
2012
- 2012-03-02 CN CN2012100528634A patent/CN102557183A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1663916A (en) * | 2004-12-16 | 2005-09-07 | 哈尔滨工业大学 | High-pressure pulse discharge catalytic oxidation method for removal of undegradable organic substances in water |
| CN101281821B (en) * | 2008-05-20 | 2010-09-15 | 中山大学 | Nano thread-shaped manganese dioxide load carbon silica aerogel as well as preparation method and application thereof |
| CN202440353U (en) * | 2012-03-02 | 2012-09-19 | 杭州电子科技大学 | Device for removing microcystin by catalyzing creeping discharge with manganese-doped carbon gel |
Non-Patent Citations (1)
| Title |
|---|
| 王玉等: "介质阻挡放电降解水中微囊藻毒素Microcystin-LR", 《军械工程学院学报》, vol. 18, September 2006 (2006-09-01), pages 226 - 229 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103613184A (en) * | 2013-10-21 | 2014-03-05 | 杭州电子科技大学 | Method for removing microcystins through catalytic creeping discharge of manganese-titanium co-doped carbon gel |
| CN103613184B (en) * | 2013-10-21 | 2015-11-18 | 杭州电子科技大学 | Microcystin method is removed in manganese Ti doped carbon gels catalysis creeping discharge |
| CN105668709A (en) * | 2016-04-06 | 2016-06-15 | 杭州电子科技大学 | Device and method for degrading reactive blue by adopting pulse plasma of carbon gel electrode |
| CN105668709B (en) * | 2016-04-06 | 2018-09-07 | 杭州电子科技大学 | Using the device and method of the pulsed plasma degrading activity indigo plant of carbon gels electrode |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105481154B (en) | A kind of integrated catalytic oxidation and the milipore filter reused water processing device of supported catalyst | |
| CN104045205B (en) | Low-power-consumption integrated water purifying apparatus and water purifying method | |
| CN204607826U (en) | A kind of sludge ozone cracks reactor | |
| CN102633360A (en) | MBR (membrane biochemical reactor) integrated device for alleviating membrane pollution by utilizing microorganism electrogenesis | |
| CN104445528B (en) | A kind of device of homogeneous dielectric barrier discharge plasma for purification polluted-water | |
| CN204939017U (en) | One enters ability of swimming pulsed discharge plasma wastewater treatment equipment entirely | |
| CN102557183A (en) | Device and method for removing microcystins through catalytic creeping discharge of manganese-doped carbon gel | |
| CN201648186U (en) | Composite membrane bioreactor | |
| CN2811279Y (en) | Anaerobic sludge bed reactor | |
| CN202440353U (en) | Device for removing microcystin by catalyzing creeping discharge with manganese-doped carbon gel | |
| CN206793384U (en) | A kind of high efficiency flue gas desulphurization unit | |
| CN103613184B (en) | Microcystin method is removed in manganese Ti doped carbon gels catalysis creeping discharge | |
| CN104310678A (en) | Continuous catalytic plasma water pollution purification device | |
| CN203612988U (en) | Device for removing microcystin by surface discharge under catalysis of manganese and titanium co-doped carbon gel | |
| CN105536512A (en) | Gas-lifting type two-phase partition membrane bioreactor | |
| CN105253946A (en) | Multistage activated carbon adsorption bed system based on selective adsorptive purification theory and preparation method of multistage activated carbon adsorption bed system | |
| CN211813791U (en) | Organic waste water photocatalysis processing apparatus | |
| CN201825818U (en) | Device for removing organic matter and ammonia nitrogen in aquatic water | |
| CN105129965B (en) | Floating bed catalytic ozonation reactor and its method for handling waste water | |
| CN211255411U (en) | Device for degrading pollutants in percolate by ultraviolet excitation ozone | |
| CN204490680U (en) | A kind of pharmacy wastewater treatment device | |
| CN203048644U (en) | Novel electrochemical reactor using graphene-Ti electrode to treat printing and dyeing wastewater | |
| CN105776652A (en) | Excess sludge-reinforced adsorption-membrane separation water treatment facility and method | |
| CN205127737U (en) | Gaseous state organic pollutant clarification plant | |
| CN204356107U (en) | A kind of Novel sewage refining plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120711 |
|
| WD01 | Invention patent application deemed withdrawn after publication |