CN103506004A - Light-catalyzed reaction device for organic matter degradation and CO2 conversion - Google Patents
Light-catalyzed reaction device for organic matter degradation and CO2 conversion Download PDFInfo
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- CN103506004A CN103506004A CN201210227814.XA CN201210227814A CN103506004A CN 103506004 A CN103506004 A CN 103506004A CN 201210227814 A CN201210227814 A CN 201210227814A CN 103506004 A CN103506004 A CN 103506004A
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Abstract
The invention provides a simple device for property characterization of photocatalytic materials. The device can be used for organic matter photocatalytic degradation reaction and evaluation of performance of photocatalytic CO2 conversion reaction. The device is simple, convenient to operate, and easy to realize, has multiple purposes and high processing efficiency, saves energy and is low in consumption cost. A photocatalytic material is filled in a watch glass 6 at the bottom of a photocatalytic reactor 3, a vacuum pump 1 is used for vacuumizing the watch glass 6, a gas bottle 7 is internally filled with a reaction gas (IPA (iso propyle alcohol) or CO2), the reaction gas enters the reactor 3 through a valve 4, the gas in the reactor 3 flows out through a valve 5, and the gas circulation in the reactor 3 can be kept; a light source 2 (xenon lamp, LED(light-emitting diode) and the like) irradiates the reactor 3 so as to realize light-catalyzed reaction; and the gas is transferred through an airtight gas sample injection needle 9, and a gas chromatograph 8 is used for detecting and analyzing a reactant and a resultant.
Description
Technical field
The present invention relates to the performance test field of catalysis material, especially a kind of organic matter degradation of catalysis material and CO
2be converted into method of testing and the device of hydrocarbon fuel.
Background technology
Development along with human society, the continuous progress of science and technology, the natural energy source such as coal, oil will face exhausted danger, meanwhile, by fossil energy burn caused environmental pollution and greenhouse effects, impel people to recognize gradually grave danger that the broken ring wantonly of environment and a large amount of consumption of the energy cause to the so-called easy environment of the mankind.Environmental problem and energy problem have become the very important two large problems in the world today.In the last few years, the not qualified discharges of a large amount of industry and sanitary sewage had increased the weight of water pollution, and Organic Pollution has particularly become the crowd's of impact important chemical substance.And these chemical substances contain carcinogenic and mutagen mostly, the healthy of the mankind in serious threat, and seeking a kind of efficient method for treating organic material also becomes one of problem that people are concerned about.
The 1972 professor Fujishima of Nian， Tokyo Univ Japan and Honda find TiO
2single Crystalline Electrodes not only can also decompose other materials by decomposition water under the effect of light, and this discovery receives people's concern at once, has increased new dawn to the mankind on the road of finding clean energy resource.And solar energy is as a kind of free of contamination regenerative resource, can in catalytic reaction, bring into full play its advantage.From then on light-catalyzed reaction is obtaining common concern aspect environmental improvement and energy development, becomes a large focus of domestic and international research field about the research and development of photocatalysis technology.
Utilize photocatalysis solution to fall the advantage that pollutant has many uniquenesses, its all kinds of organic pollution of effectively degrading, does not have secondary pollution completely in product.And mostly photochemical catalyst has very high chemical stability, and nontoxic, catalytic efficiency is high, has important function realizing aspect photocatalysis treatment organic matter.
Catalysis material itself is paid close attention in the invention of most and research, and photocatalysis is characterized to the relatively less of required device concern of using.At present higher for characterizing scientific instrument and the most price of device of catalysis material, maintenance cost higher and and mostly can only be applied to single light-catalyzed reaction, and need manual analysis, consume manpower, instrument efficiency is low.Therefore photocatalysis characterizing method and the equipment of studying a kind of multiduty catalysis material easy and simple to handle have very great significance to the development tool of promotion photocatalysis field.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the invention provides a kind of new light-catalyzed reaction characterizing method and device.Apparatus of the present invention both can be carried out photocatalysis to degrade organic matter reaction, also can carry out CO
2the reaction of the conversion of reduction, realizes multiduty photocatalytic reaction device, compares with single-reactor, has greatly improved instrument utilization rate.And light source can be used arbitrarily, can use artificial light source, also can use lamp.Have simple in structurely, easy to operate, treatment effeciency is high, saves the energy, and the feature that consumption costs is low has overcome reactor complicated, expensive and react the shortcoming such as single.In a word, experimental provision of the present invention is comparatively simple, is easy to realize, and serves many purposes, and implementation method and device are better than other conventional methods, have actual using value.
For reaching above-mentioned purpose, the present invention has adopted following technical scheme:
A kind of multiduty device of realizing the photocatalytic activity characterizing method of catalysis material, comprise: photo catalysis reactor 3, reactor front optical transmission window is filter plate quartz material, reactor inner bottom part can be placed little surface plate or sheet glass 6: diameter is 4-6cm, the catalysis material that activity rating is used is laid in 6, vavuum pump 1 vacuumizes by 4 pairs of inside reactors of valve, gets rid of the gas that light-catalyzed reaction last time produces.7 is gas bomb, and reacting gas (IPA or CO can be provided
2, wherein IPA is isopropyl alcohol C
3h
8o writes a Chinese character in simplified form) by valve 4, enter reactor 3, wherein valve 4 is gas three-way valve: can select to be respectively communicated with 1 and 3 or 7 and 3 state, gas pipeline is plastic pipe or silicone tube.Valve 5 can flow out by the interior gas of realization response device 3, keep the gas communication in reactor 3, light source 2 (xenon lamps, LED etc.) irradiate reactor 3 and realize light-catalyzed reaction, closed gas sample introduction needle 9 realizes the transfer of gas, utilizes checkout gear gas chromatograph 8 to carry out detection and the analysis of product.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The specific embodiment
Below in conjunction with example, the present invention is further described:
(1) catalysis material is put into glass reactor, fastening valve, to make reaction system be confined space, utilize fast joint that valve 4 interfaces are connected with vavuum pump, utilize the gas in vavuum pump extraction device to become vacuum state, the extraction time is 10-30min.
(2) after vacuumizing, by valve 4 interfaces and gas bottle, join, avoid entrained air.
(3) open valve 5 after passing into a period of time gas, guarantee be all full of reacting gas and can make gas communication in reactor.
(4) place light source, make light penetrate reactor and be irradiated on reaction material, by gas phase sample introduction needle, sample, in inject gas chromatograph, product is analyzed, obtain a result.
Case study on implementation 1:CO
2the light-catalyzed reaction of reduction.
In glass reactor, put into catalysis material, fasten valve and guarantee that reaction system is confined space, utilize three-way valve that 4 interfaces are connected with vavuum pump 1, use vavuum pump 1 that the gas in reactor is extracted out and become vacuum state, in the situation of reaction system in vacuum, by valve 4 interfaces with CO is housed
2gas bottle join, pass into a period of time CO
2after gas, open valve 5, make CO
2be covered with whole reactor, in lucifuge state 3～5 hours, make reaction system reach adsorption/desorption poised state.Then place light source 2, can use in conjunction with the filter plate of different cutoff wavelengths, making the light source of output is different wave bands.Make light penetrate reactor and be irradiated on the reaction material on surface plate 6, by gas phase sample introduction needle 9, the position sample 1mL of sample introduction pad 5 is being housed, in injection gas chromatography view 8, product is analyzed, obtain a result.
The light-catalyzed reaction of case study on implementation 2:IPA degraded.
In glass reactor, put into IPA and catalysis material, fasten valve and guarantee that reaction system is confined space, utilize three-way valve that 4 interfaces are connected with vavuum pump 1, use vavuum pump 1 that the gas in reactor is extracted out and become vacuum state, in the situation of reaction system in vacuum, valve 4 interfaces are fastened, and placing response is installed on lucifuge place 3～5 hours, makes reaction system reach adsorption/desorption poised state.Then place light source 2, can use in conjunction with the filter plate of different cutoff wavelengths, making the light source of output is different wave bands.Make light penetrate reactor and be irradiated on the reaction material on surface plate 6, by gas phase sample introduction needle 9, the position sample 1mL of sample introduction pad 5 is being housed, in injection gas chromatography view 8, product is analyzed, obtain a result.
Claims (6)
1. one kind for organic matter degradation and CO
2the photocatalytic reaction device transforming, is characterized in that having the vavuum pump that reaction system is vacuumized; Irradiate the light source of catalysis material; Carry out the reactor of light-catalyzed reaction; Surface plate or the sheet glass of catalysis material can tile; Can carry out the three-way valve of multidirectional connection; The gas bottle of gas is housed; The sampling probe of sampling; Be used for the gas chromatograph detecting.
2. according to the photocatalytic reaction device described in claims 1, it is characterized in that, described light source is xenon lamp or the xenon lamp of being furnished with filter plate, semiconductor light-emitting-diode (LED).
3. according to the photocatalytic reaction device described in claims 1, it is characterized in that, use vavuum pump to get rid of and in light-catalyzed reaction last time, be adsorbed on the gas on reaction unit.
4. according to the photocatalytic reaction device described in claims 1, it is characterized in that, described device is that volume is the glass reactor of 500-1000mL.
5. according to the photocatalytic reaction device described in claims 1, it is characterized in that, described reaction unit can characterize CO respectively
2conversion and organic degraded.
6. according to the photocatalytic reaction device described in claims 1, it is characterized in that, adopt the sampling of confined gas sample introduction needle, and utilize gas chromatograph (GC) to measure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210227814.XA CN103506004A (en) | 2012-06-29 | 2012-06-29 | Light-catalyzed reaction device for organic matter degradation and CO2 conversion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210227814.XA CN103506004A (en) | 2012-06-29 | 2012-06-29 | Light-catalyzed reaction device for organic matter degradation and CO2 conversion |
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| CN103506004A true CN103506004A (en) | 2014-01-15 |
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| CN201210227814.XA Pending CN103506004A (en) | 2012-06-29 | 2012-06-29 | Light-catalyzed reaction device for organic matter degradation and CO2 conversion |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913539A (en) * | 2013-01-05 | 2014-07-09 | 江南大学 | Multipurpose photocatalytic performance assessment device |
| CN106422765A (en) * | 2016-12-01 | 2017-02-22 | 青岛农业大学 | Device and method for removing volatile organic compounds in air by photocatalysis |
| CN107261750A (en) * | 2017-07-26 | 2017-10-20 | 福州大学 | Filling bed type photocatalytic reaction device and application |
| CN114367255A (en) * | 2021-12-09 | 2022-04-19 | 延安大学 | Photocatalytic CO2Reduction reactor |
| CN114558599A (en) * | 2022-01-27 | 2022-05-31 | 中国人民解放军63919部队 | Multipurpose gas-phase photocatalysis system, method and application |
-
2012
- 2012-06-29 CN CN201210227814.XA patent/CN103506004A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913539A (en) * | 2013-01-05 | 2014-07-09 | 江南大学 | Multipurpose photocatalytic performance assessment device |
| CN106422765A (en) * | 2016-12-01 | 2017-02-22 | 青岛农业大学 | Device and method for removing volatile organic compounds in air by photocatalysis |
| CN107261750A (en) * | 2017-07-26 | 2017-10-20 | 福州大学 | Filling bed type photocatalytic reaction device and application |
| CN114367255A (en) * | 2021-12-09 | 2022-04-19 | 延安大学 | Photocatalytic CO2Reduction reactor |
| CN114367255B (en) * | 2021-12-09 | 2024-04-19 | 延安大学 | Photocatalytic CO2Reduction reactor |
| CN114558599A (en) * | 2022-01-27 | 2022-05-31 | 中国人民解放军63919部队 | Multipurpose gas-phase photocatalysis system, method and application |
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Application publication date: 20140115 |