CN104785234A - Honeycomb active carbon supported catalyst plate - Google Patents
Honeycomb active carbon supported catalyst plate Download PDFInfo
- Publication number
- CN104785234A CN104785234A CN201510093274.4A CN201510093274A CN104785234A CN 104785234 A CN104785234 A CN 104785234A CN 201510093274 A CN201510093274 A CN 201510093274A CN 104785234 A CN104785234 A CN 104785234A
- Authority
- CN
- China
- Prior art keywords
- catalyst
- active carbon
- activated carbon
- honeycomb
- supported catalyst
- 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)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The present invention relates to a honeycomb active carbon supported catalyst plate, wherein honeycomb active carbon is adopted to support a catalyst, the catalyst support material selects aluminum honeycomb, 2-5 layers of the active carbon with characteristics of porous surface and large specific surface area are sprayed on the aluminum honeycomb surface so as to increase the contact area of the ultraviolet light, the reaction gas and the catalyst, then 2-5 layers of the catalyst are sprayed, and the catalyst loading amount is 1-40%. The catalyst has effects of effective photo-induced electron and hole compounding inhibition, photo-induced electron and hole service life prolonging, and catalytic oxidation efficiency improving, and further has advantages of simple manufacturing method, large specific surface area, good catalyst dispersion, run-off resistance, and the like.
Description
Technical field
The invention belongs to field of photocatalytic material, be specifically related to the preparations and applicatio of the activated carbon supported catalyst of a kind of honeycomb fashion.
Background technology
Photocatalysis technology comes from the paper that Fujishima and Honda in 1972 delivers on Nature, and result of study shows TiO
2single Crystalline Electrodes have light decomposition water function, after this conductor photocatalysis has been obtained by reacting the extensive concern of people.
In recent decades, increasing researcher is devoted to TiO
2the research of volatile organic matter VOCs etc. in photochemical catalytic oxidation removal waste gas, and be converted into practical application by laboratory research gradually.The principle of photochemical catalytic oxidation be catalyst under UV-irradiation, the electronics of valence band obtains the energy of photon and transits to conduction band, forms light induced electron (e
-), then form photohole (h in valence band
+), organic molecule is oxidized under the effect in electronics and hole, degrade.Photocatalytic oxidation needs the key issue solved to be suppress the compound in electronics and hole from principle, extend the life-span in electronics and hole, ensure high catalytic oxidation efficiency, and catalyst large-scale application needs the core solved to be the catalyst that the research and development efficiency of light energy utilization is high, catalytic reaction efficiency is high, the technical problem underlying that need solve is the determination of catalyst formulation and the immobilization of catalyst.
For the problems referred to above, CN1929912A discloses one and is formed at on-chip oxide-based nanomaterial, effectively can increase the specific area of catalysis material.It take conductive material as the material for air purification of carrier that CN101081304A discloses a kind of, this catalyst utilizes conductive material to form bias voltage, the electronics produced under extending UV-irradiation condition and the life-span in hole, be mainly used in the purification of air in refrigerator or air-conditioning.
The complicated component of pollutant and concentration is larger with factor fluctuations such as operating mode, season, weathers in waste gas in Practical Project, light-catalyzed reaction efficiency cannot be protected, not yet have clearly report in large-scale project of waste gas administration, the integral catalyzer of greater catalytic oxidation efficiency can be kept to Some Organic Pollutants at present.
For these reasons, the integral catalyzer of a kind of novel be applicable to large-scale industrial application of design invention just seems particularly necessary.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide the activated carbon supported catalyst plates of a kind of novel honeycomb fashion.This catalyst can effectively suppress light induced electron and hole-recombination, extends light induced electron and hole life, improves catalytic oxidation efficiency, has that manufacture method is simple, specific area is large, catalyst dispersity is good, a not easily advantage such as loss simultaneously.
The concrete technical scheme that the present invention takes is:
The activated carbon supported catalyst plates of a kind of honeycomb fashion, aluminium honeycomb is as photochemical catalyst backing material, aluminium honeycomb surface scribbles 2 ~ 5 layers of active carbon as carrier of photocatalyst, sprays photochemical catalyst again at activated carbon surface, and photocatalyst amount is 1% ~ 40% of quality of activated carbon.
Prepare the method for the activated carbon supported catalyst plates of honeycomb fashion, concrete preparation method is as follows:
(1). the preparation of active carbon aluminium honeycomb substrate
1) prepare active carbon suspension: get deionized water or ethanol that pH is 5 ~ 12, add dispersant, after stirring and dissolving, add active carbon powder, stir, ultrasonic 0.1 ~ 4 hour, become active carbon suspension, suspension concentration is 0.01 ~ 100g/L;
The mass concentration of preferred active carbon suspension is 10 ~ 30g/L;
The mass concentration of preferred active carbon suspension is 26g/L;
Described dispersant is selected from the one in calgon, dodecyl sodium sulfate, cysteine, and the mass ratio of dispersant and active carbon powder is 1:100 ~ 1:20;
2) using aluminium honeycomb as backing material, the method adopting dipping, spraying or brush, by step 1) the active carbon suspension for preparing is on aluminium honeycomb surface, in 100 ~ 120 DEG C of air atmospheres, 0.5 ~ 2h is dried after coating, repetitive coatings-oven dry-coating-oven dry 2 ~ 5 times like this, becomes active carbon aluminium honeycomb substrate;
(2). the preparation of photochemical catalyst
1) preparation of the photochemical catalyst aqueous solution
PH be 5 ~ 12 deionized water or ethanol in, add dispersant, after dispersant dissolves completely, add photocatalyst powder, stir, ultrasonic 0.1 ~ 4 hour, become photocatalyst solution, and photocatalyst solution mass concentration is 0.01 ~ 100g/L;
Preferred photochemical catalyst concentration of aqueous solution is 10 ~ 20g/L, controls to ensure enough catalyst loadings unlikely caking simultaneously in this concentration range;
Preferred photochemical catalyst concentration of aqueous solution is 16g/L, the most applicable coating under this concentration.
Described dispersant is selected from the one in calgon, dodecyl sodium sulfate, cysteine, and the mass ratio of dispersant and photocatalyst powder is 1:100 ~ 1:20;
Described photochemical catalyst is TiO
2the TiO of nanometer powder or interpolation auxiliary agent
2composite catalyst, and auxiliary agent content is TiO
20.1% ~ 20% of quality; The doping of auxiliary agent controls to ensure that within the scope of this auxiliary agent is dispersed, provides enough oxidation holes and stronger electron transfer capacity simultaneously;
Described auxiliary agent is transition metal oxide, rare-earth oxide, sulfide or its mixture;
The preparation method of described photocatalyst powder is infusion process, sol-gal process, hydrothermal synthesis method, coprecipitation, citric acid complex method one wherein;
2) catalyst-coated
Step 1 by the preparation of photochemical catalyst) the described photochemical catalyst aqueous solution, the method adopt dipping, spraying or brush is coated in the active carbon aluminium honeycomb substrate surface described in step 1, dry 0.1 ~ 4 hour in 100 ~ 250 DEG C after coating, repetitive coatings-oven dry-coating-oven dry 2 ~ 5 times like this, namely obtains the activated carbon supported catalyst plates of honeycomb fashion.
Preferred auxiliary agent is V, Cu, Fe, Co, Ni, Zn, Mo, Mn, Cd, Ru, Pt, Pd, Au, Ag, Ce, La, the oxide of Y, sulfide or its mixture, the ability that auxiliary agent can make catalyst transmit electronics significantly improves, and then promotes the raising of catalytic efficiency.
Preferred auxiliary agent is V
2o
5or CuO or Fe
2o
3or Co
3o
4or CeO
2or ZnO or MoO
3or MnO
2or CdS.
Described catalyst with aluminium honeycomb formula catalyst support material as a whole, for catalyst provides longer time of staying and less resistance; Be determined by experiment the catalyst and uviol lamp optimum distance that ensure that energy power is the strongest, the existence of backing material can ensure that this designed distance is constant simultaneously.
The application of the activated carbon supported catalyst plates of a kind of honeycomb fashion, be applied to the photocatalytic degradation of organic pollution in industrial waste gas, embody rule step is as follows, described honeycomb fashion activated-carbon catalyst plate outer is aluminum alloy frame, catalytic reactor is loaded by guide rail in reactor, uviol lamp and the activated carbon supported catalyst plates of honeycomb fashion are spaced, under ultra violet lamp, realize catalytic reaction, the distance between described adjacent uviol lamp and the activated carbon supported catalyst plates of honeycomb fashion is 10mm ~ 1m.Reacting gas is adsorbed at catalyst surface, be oxidized and then degraded, desorption.Be particularly useful for fixed photo catalysis reactor, reactor designs and optimizes the distance of uviol lamp and photochemical catalyst, during UV-irradiation, light wave with cause the ripple of catalyst macropore, mesopore to shake, the heat produced and energy make organic matter desorption, the mineralising of catalyst surface, reach the function of organic matter degradation and catalyst in-situ regeneration.
Pending organic molecule is adsorbed in catalyst surface, and catalyst produces light induced electron (e under UV-irradiation
-) and photohole (h
+), the oxygen trapped electron being now adsorbed on nano grain surface forms superoxide anion (O
2 -), and the hydroxide ion being adsorbed on catalyst surface is become hydroxyl free radical (OH with Water oxidize by hole
-), and O
2 -and OH
-there is very strong oxidisability, by oxidation operation to end product CO
2and H
2o.
Under specific energy power condition, ultraviolet light wave light wave with cause the ripple of active carbon macropore, mesopore to shake, the heat produced and energy can promote the generation of light induced electron and photohole, and then make oxidized degraded and then the desorption of charcoal absorption, reach the object of organic matter degradation, light induced electron and hole are able to original position again newly simultaneously, ensure the raising of catalytic efficiency.
Beneficial effect of the present invention
1. the distance of uviol lamp and photochemical catalyst is determined, light wave with cause the ripple of catalyst macropore, mesopore to shake, the heat of generation and energy make organic matter desorption, the mineralising of catalyst surface, reach the function of organic matter degradation and catalyst in-situ regeneration.
2. aluminium honeycomb is as catalyst support material, ensures that reactant molecule is in the time of staying of catalyst surface, ensures optimum catalyst and ultraviolet light distance simultaneously, ensures energy power optimization.
3. active carbon is as catalyst carrier, for organic matter and oxide molecule provide larger absorption specific area, simultaneously the ripple of active carbon macropore, mesopore and ultraviolet light wave shake, produce power makes organic molecule be oxidized, degraded, Small molecular after degraded is easy to desorption, reaches organic molecule degraded and catalyst electronics, effect that hole original position is new again.
4. the metal oxide such as catalytic composite material CuO, CdS or sulfide and TiO
2synergy, promote electronics and the generation in hole and the transfer of electronics, both suppression compound, reaches the effect that original position is new again, the utilization rate in raising electronics and hole.
5. optimal catalyst formula, preparation technology, painting method are determined through repetition test, ensure that catalyst has that good dispersion, particle diameter little (nano material), specific surface run off greatly, not easily, little, the catalytic efficiency advantages of higher of pressure drop.
In sum, the activated carbon supported catalyst plates of a kind of honeycomb fashion provided by the invention.It is simple that this catalyst has manufacture method, and specific area is large, and catalytic degradation organic matter efficiency advantages of higher, has comparatively wide market prospects.
Accompanying drawing explanation
The activated carbon supported catalyst plates schematic diagram of a kind of honeycomb fashion of Fig. 1;
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1
The activated carbon supported catalyst plates of a kind of honeycomb fashion, aluminium honeycomb is as photochemical catalyst backing material, aluminium honeycomb surface scribbles 2 layers of active carbon as carrier of photocatalyst, sprays photochemical catalyst again at activated carbon surface, and photocatalyst amount is 1% of quality of activated carbon.
Prepare the method for the activated carbon supported catalyst plates of honeycomb fashion, concrete preparation method is as follows:
1. the preparation of active carbon aluminium honeycomb substrate
1) prepare active carbon suspension: get the deionized water that 100mL pH is 5, add calgon, after stirring and dissolving, add active carbon powder, stir, ultrasonic 0.1 hour, become active carbon suspension, suspension concentration is 0.01g/L;
And the mass ratio of calgon and active carbon powder is 1:100;
2) using aluminium honeycomb as backing material, adopt the method for dipping, by step 1) the active carbon suspension for preparing on aluminium honeycomb surface, in 100 DEG C of air atmospheres, dry 0.5h after coating, repetitive coatings-oven dry-coating-oven dry 5 times like this, becomes active carbon aluminium honeycomb substrate;
2. the preparation of photochemical catalyst
1) preparation of the photochemical catalyst aqueous solution
Be in the deionized water of 5 at 100mLpH, add calgon, after calgon dissolves completely, add photocatalyst powder, stir, ultrasonic 0.1 hour, become photocatalyst solution, and photocatalyst solution mass concentration is 0.01g/L;
And the mass ratio of calgon and photocatalyst powder is 1:100;
Described photochemical catalyst is TiO
2nanometer powder;
The preparation method of described catalyst fines is infusion process;
2) catalyst-coated
Step 1 by prepared by photochemical catalyst) the described photochemical catalyst aqueous solution, the active carbon aluminium honeycomb substrate adopting the method for dipping to be coated in described in step 1 is surperficial, dry 0.1 hour in 100 DEG C after coating, repetitive coatings-oven dry-coating-oven dry 2 times like this, namely obtains the activated carbon supported catalyst plates of honeycomb fashion.
The application of the activated carbon supported catalyst plates of described honeycomb fashion, is mainly used in the photocatalytic degradation of organic pollution in industrial waste gas.
Embodiment 2
The activated carbon supported catalyst plates of a kind of honeycomb fashion, aluminium honeycomb is as photochemical catalyst backing material, aluminium honeycomb surface scribbles 5 layers of active carbon as carrier of photocatalyst, sprays photochemical catalyst again at activated carbon surface, and photocatalyst amount is 40% of quality of activated carbon.
Prepare the method for the activated carbon supported catalyst plates of honeycomb fashion, concrete preparation method is as follows:
1). the preparation of active carbon aluminium honeycomb substrate
1) prepare active carbon suspension: get the deionized water that 10LpH is 12, add dodecyl sodium sulfate, after stirring and dissolving, add active carbon powder, stir, ultrasonic 4 hours, become active carbon suspension, suspension concentration is 40g/L;
And the mass ratio of dodecyl sodium sulfate and active carbon powder is 1:20;
2) using aluminium honeycomb as backing material, the method adopting dipping, spraying or brush, by step 1) the active carbon suspension for preparing is on aluminium honeycomb surface, in 120 DEG C of air atmospheres, 2h is dried after coating, repetitive coatings-oven dry-coating-oven dry 5 times like this, becomes active carbon aluminium honeycomb substrate;
2. the preparation of photochemical catalyst
1) preparation of the photochemical catalyst aqueous solution
Be in the deionized water of 12 at 1L pH, add dodecyl sodium sulfate, after dodecyl sodium sulfate dissolves completely, add photocatalyst powder, stir, ultrasonic 4 hours, become photocatalyst solution, and photocatalyst solution mass concentration is 20g/L;
And the mass ratio of dodecyl sodium sulfate and photocatalyst powder is 1:50;
Described photochemical catalyst is doped with V
2o
5tiO
2nanometer powder, and doping is TiO
21% of quality;
The preparation method of described catalyst fines is coprecipitation;
2) catalyst-coated
Step 1 by prepared by photochemical catalyst) the described photochemical catalyst aqueous solution, the active carbon aluminium honeycomb substrate adopting the method for spraying to be coated in described in step 1 is surperficial, dry 4 hours in 250 DEG C after coating, repetitive coatings-oven dry-coating-oven dry 5 times like this, namely obtains the activated carbon supported catalyst plates of honeycomb fashion.
The application of the activated carbon supported catalyst plates of described honeycomb fashion, be mainly used in the photocatalytic degradation of organic pollution in industrial waste gas, be particularly useful for fixed photo catalysis reactor, reactor designs and optimizes the distance of uviol lamp and photochemical catalyst, during UV-irradiation, light wave with cause the ripple of catalyst macropore, mesopore to shake, the heat of generation and energy make organic matter desorption, the mineralising of catalyst surface, reach the function of organic matter degradation and catalyst in-situ regeneration.
Embodiment 3
The activated carbon supported catalyst plates of a kind of honeycomb fashion, aluminium honeycomb is as photochemical catalyst backing material, aluminium honeycomb surface scribbles 3 layers of active carbon as carrier of photocatalyst, sprays photochemical catalyst again at activated carbon surface, and photocatalyst amount is 20% of quality of activated carbon.
Prepare the method for the activated carbon supported catalyst plates of honeycomb fashion, concrete preparation method is as follows:
1. the preparation of active carbon aluminium honeycomb substrate
1) prepare active carbon suspension: get the deionized water that 5LpH is 7, add cysteine, after stirring and dissolving, add active carbon powder, stir, ultrasonic 2 hours, become active carbon suspension, suspension concentration is 10g/L;
And the mass ratio of cysteine and active carbon powder is 1:60;
2) using aluminium honeycomb as backing material, adopt the method for brushing, by step 1) the active carbon suspension for preparing on aluminium honeycomb surface, in 110 DEG C of air atmospheres, dry 1h after coating, repetitive coatings-oven dry-coating-oven dry 4 times like this, becomes active carbon aluminium honeycomb substrate;
2. the preparation of photochemical catalyst
1) preparation of the photochemical catalyst aqueous solution
Be in the ethanol of 7 at 0.5L pH, add cysteine, after cysteine dissolves completely, add photocatalyst powder, stir, ultrasonic 2 hours, become photocatalyst solution, and photocatalyst solution mass concentration is 10g/L;
And the mass ratio of cysteine and photocatalyst powder is 1:70;
Described photochemical catalyst is doped with MnO
2tiO
2nanometer powder, and doping is TiO
215% of nanometer powder quality;
The preparation method of described catalyst fines is hydrothermal synthesis method;
2) catalyst-coated
Step 1 by prepared by photochemical catalyst) the described photochemical catalyst aqueous solution, the method adopt dipping, spraying or brush is coated in the active carbon aluminium honeycomb substrate surface described in step 1, dry 3 hours in 200 DEG C after coating, repetitive coatings-oven dry-coating-oven dry 3 times like this, namely obtains the activated carbon supported catalyst plates of honeycomb fashion.
The application of the activated carbon supported catalyst plates of described honeycomb fashion, be mainly used in the photocatalytic degradation of organic pollution in industrial waste gas, be particularly useful for fixed photo catalysis reactor, reactor designs and optimizes the distance of uviol lamp and photochemical catalyst, during UV-irradiation, light wave with cause the ripple of catalyst macropore, mesopore to shake, the heat of generation and energy make organic matter desorption, the mineralising of catalyst surface, reach the function of organic matter degradation and catalyst in-situ regeneration.
Embodiment 4
The activated carbon supported catalyst plates of a kind of honeycomb fashion, aluminium honeycomb is as photochemical catalyst backing material, aluminium honeycomb surface scribbles 3 layers of active carbon as carrier of photocatalyst, sprays photochemical catalyst again at activated carbon surface, and photocatalyst amount is 35% of quality of activated carbon.
Prepare the method for the activated carbon supported catalyst plates of honeycomb fashion, concrete preparation method is as follows:
1. the preparation of active carbon aluminium honeycomb substrate
1) prepare active carbon suspension: get the deionized water that 6LpH is 10, add dodecyl sodium sulfate, after stirring and dissolving, add active carbon powder, stir, ultrasonic 3 hours, become active carbon suspension, suspension concentration is 30g/L;
And the mass ratio of dodecyl sodium sulfate and active carbon powder is 1:80;
2) using aluminium honeycomb as backing material, adopt the method for brushing, by step 1) the active carbon suspension for preparing on aluminium honeycomb surface, in 100 DEG C of air atmospheres, dry 2h after coating, repetitive coatings-oven dry-coating-oven dry 5 times like this, becomes active carbon aluminium honeycomb substrate;
2. the preparation of photochemical catalyst
1) preparation of the photochemical catalyst aqueous solution
Be in the deionized water of 10 at 0.8L pH, add calgon, after calgon dissolves completely, add photocatalyst powder, stir, ultrasonic 3 hours, become photocatalyst solution, and photocatalyst solution mass concentration is 16g/L;
And the mass ratio of calgon and photocatalyst powder is 1:100 ~ 1:20;
Described photochemical catalyst is doped with Co
3o
4tiO
2nanometer powder, and doping is TiO
216% of nanometer powder quality;
The preparation method of described catalyst fines is sol-gal process;
2) catalyst-coated
Step 1 by prepared by photochemical catalyst) the described photochemical catalyst aqueous solution, the method adopt dipping, spraying or brush is coated in the active carbon aluminium honeycomb substrate surface described in step 1, dry 3.2 hours in 180 DEG C after coating, repetitive coatings-oven dry-coating-oven dry 4 times like this, namely obtains the activated carbon supported catalyst plates of honeycomb fashion.
The application of the activated carbon supported catalyst plates of a kind of honeycomb fashion, be applied to the photocatalytic degradation of organic pollution in industrial waste gas, embody rule step is as follows, described honeycomb fashion activated-carbon catalyst plate outer is metal framework, load catalytic reactor by guide rail in reactor, uviol lamp and the activated carbon supported catalyst plates of honeycomb fashion are spaced, under ultra violet lamp, realize catalytic reaction, the distance between described adjacent uviol lamp and the activated carbon supported catalyst plates of honeycomb fashion is 10mm ~ 1m.
Embodiment 5
The activated carbon supported catalyst plates of a kind of honeycomb fashion, aluminium honeycomb is as photochemical catalyst backing material, aluminium honeycomb surface scribbles 4 layers of active carbon as carrier of photocatalyst, sprays photochemical catalyst again at activated carbon surface, and photocatalyst amount is 25% of quality of activated carbon.
Prepare the method for the activated carbon supported catalyst plates of honeycomb fashion, concrete preparation method is as follows:
1. the preparation of active carbon aluminium honeycomb substrate
1) prepare active carbon suspension: get the deionized water that 7LpH is 9, add dodecyl sodium sulfate, after stirring and dissolving, add active carbon powder, stir, ultrasonic 3 hours, become active carbon suspension, suspension concentration is 30g/L;
And the mass ratio of dodecyl sodium sulfate and active carbon powder is 1:90;
2) using aluminium honeycomb as backing material, adopt the method for dipping, by step 1) the active carbon suspension for preparing on aluminium honeycomb surface, in 120 DEG C of air atmospheres, dry 1h after coating, repetitive coatings-oven dry-coating-oven dry 5 times like this, becomes active carbon aluminium honeycomb substrate;
2. the preparation of photochemical catalyst
1) preparation of the photochemical catalyst aqueous solution
Be in the ethanol of 9 at 0.6L pH, add dodecyl sodium sulfate, after dodecyl sodium sulfate dissolves completely, add photocatalyst powder, stir, ultrasonic 2.6 hours, become photocatalyst solution, and photocatalyst solution mass concentration is 16g/L;
And the mass ratio of dodecyl sodium sulfate and photocatalyst powder is 1:85;
Described photochemical catalyst is TiO
2nanometer powder;
The preparation method of described catalyst fines is flame synthesis;
2) catalyst-coated
Step 1 by prepared by photochemical catalyst) the described photochemical catalyst aqueous solution, the active carbon aluminium honeycomb substrate adopting the method for brushing to be coated in described in step 1 is surperficial, dry 4 hours in 210 DEG C after coating, repetitive coatings-oven dry-coating-oven dry 5 times like this, namely obtains the activated carbon supported catalyst plates of honeycomb fashion.
The application of the activated carbon supported catalyst plates of a kind of honeycomb fashion, be applied to the photocatalytic degradation of organic pollution in industrial waste gas, embody rule step is as follows, described honeycomb fashion activated-carbon catalyst plate outer is metal framework, load catalytic reactor by guide rail in reactor, uviol lamp and the activated carbon supported catalyst plates of honeycomb fashion are spaced, under ultra violet lamp, realize catalytic reaction, the distance between described adjacent uviol lamp and the activated carbon supported catalyst plates of honeycomb fashion is 10mm ~ 1m.
Claims (5)
1. the activated carbon supported catalyst plates of honeycomb fashion, it is characterized in that, aluminium honeycomb is as photochemical catalyst backing material, aluminium honeycomb surface scribbles 2 ~ 5 layers of active carbon as carrier of photocatalyst, spray photochemical catalyst again at activated carbon surface, and photocatalyst amount is 1% ~ 40% of quality of activated carbon.
2. prepare the method for the activated carbon supported catalyst plates of honeycomb fashion as claimed in claim 1, it is characterized in that, concrete preparation method is as follows:
(1). the preparation of active carbon aluminium honeycomb substrate
1) prepare active carbon suspension: be taken as deionized water or the ethanol of 5 ~ 12, add dispersant, after stirring and dissolving, add active carbon powder, stir, ultrasonic 0.1 ~ 4 hour, become active carbon suspension, suspension concentration is 0.01 ~ 100g/L;
Described dispersant is selected from the one in calgon, dodecyl sodium sulfate, cysteine, and the mass ratio of dispersant and active carbon powder is 1:100 ~ 1:20;
2) using aluminium honeycomb as backing material, the method adopting dipping, spraying or brush, by step 1) the active carbon suspension for preparing is on aluminium honeycomb surface, in 100 ~ 120 DEG C of air atmospheres, 0.5 ~ 2h is dried after coating, repetitive coatings-oven dry-coating-oven dry 2 ~ 5 times like this, becomes active carbon aluminium honeycomb substrate;
(2). the preparation of photochemical catalyst
1) preparation of the photochemical catalyst aqueous solution
PH be 5 ~ 12 deionized water or ethanol in, add dispersant, after dispersant dissolves completely, add photocatalyst powder, stir, ultrasonic 0.1 ~ 4 hour, become photocatalyst solution, and photocatalyst solution mass concentration is 0.01 ~ 100g/L;
Described dispersant is selected from the one in calgon, dodecyl sodium sulfate, cysteine, and the mass ratio of dispersant and photocatalyst powder is 1:100 ~ 1:20;
Described photochemical catalyst is TiO
2the TiO of nanometer powder or interpolation auxiliary agent
2composite catalyst, and auxiliary agent content is TiO
20.1% ~ 20% of quality;
Described auxiliary agent is transition metal oxide, rare-earth oxide, sulfide or its mixture;
2) catalyst-coated
Step 1 by prepared by photochemical catalyst) the described photochemical catalyst aqueous solution, the method adopt dipping, spraying or brush is coated in the active carbon aluminium honeycomb substrate surface described in step 1, dry 0.1 ~ 4 hour in 100 ~ 250 DEG C after coating, repetitive coatings-oven dry-coating-oven dry 2 ~ 5 times like this, namely obtains the activated carbon supported catalyst plates of honeycomb fashion.
3. the preparation method of the activated carbon supported catalyst plates of honeycomb fashion as claimed in claim 2, it is characterized in that, described auxiliary agent is V, Cu, Fe, Co, Ni, Zn, Mo, Mn, Cd, Ru, Pt, Pd, Au, Ag, Ce, La, the oxide of Y, sulfide or its mixture.
4. the preparation method of the activated carbon supported catalyst plates of honeycomb fashion as claimed in claim 3, it is characterized in that, described auxiliary agent is V
2o
5or CuO or Fe
2o
3or Co
3o
4or CeO
2or ZnO or MoO
3or MnO
2or CdS.
5. the application of the activated carbon supported catalyst plates of honeycomb fashion, it is characterized in that, be applied to the photocatalytic degradation of organic pollution in industrial waste gas, embody rule step is as follows, described honeycomb fashion activated-carbon catalyst plate outer is metal framework, catalytic reactor is loaded by guide rail in reactor, uviol lamp and the activated carbon supported catalyst plates of honeycomb fashion are spaced, under ultra violet lamp, realize catalytic reaction, the distance between described adjacent uviol lamp and the activated carbon supported catalyst plates of honeycomb fashion is 10mm ~ 1m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510093274.4A CN104785234A (en) | 2015-03-02 | 2015-03-02 | Honeycomb active carbon supported catalyst plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510093274.4A CN104785234A (en) | 2015-03-02 | 2015-03-02 | Honeycomb active carbon supported catalyst plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104785234A true CN104785234A (en) | 2015-07-22 |
Family
ID=53550689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510093274.4A Pending CN104785234A (en) | 2015-03-02 | 2015-03-02 | Honeycomb active carbon supported catalyst plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104785234A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107494A (en) * | 2015-07-30 | 2015-12-02 | 苏州弗莱希智能科技有限公司 | Activated carbon based nano TiO2 composite MnO2 catalytic material and preparation method therefor |
| CN105413705A (en) * | 2015-11-11 | 2016-03-23 | 福建紫荆环境工程技术有限公司 | Catalyst for removing VOCs through photocatalysis in cooperation with thermal catalytic oxidation and preparation method and application of catalyst |
| CN106621743A (en) * | 2017-01-20 | 2017-05-10 | 杭州启澄科技有限公司 | Treatment method for purifying industrial waste gas |
| CN106621802A (en) * | 2017-01-20 | 2017-05-10 | 杭州启澄科技有限公司 | Treatment system for purifying industrial waste gas |
| CN106669415A (en) * | 2017-01-20 | 2017-05-17 | 杭州启澄科技有限公司 | Catalytic high-pressure decomposition reactor for treating industrial waste gas |
| CN106732487A (en) * | 2016-12-22 | 2017-05-31 | 桂东县湘浙活性炭有限公司 | TiO2Photocatalytic activity carbon regeneration method |
| CN108043221A (en) * | 2018-01-24 | 2018-05-18 | 合肥工业大学 | A kind of photocatalytic active carbon absorption tail gas processing unit and its processing method |
| CN109876797A (en) * | 2019-03-01 | 2019-06-14 | 陕西青朗万城环保科技有限公司 | A kind of catalyst and preparation method thereof in strong microwave ultraviolet field |
| CN111185090A (en) * | 2020-02-21 | 2020-05-22 | 中物院成都科学技术发展中心 | Device for photocatalytic degradation of organic waste gas and application method thereof |
| CN113600193A (en) * | 2021-08-21 | 2021-11-05 | 马鞍山师范高等专科学校 | Aluminum-based Fe3O4-TiO2Preparation method, device and application of composite photocatalytic plate |
| CN114289076A (en) * | 2021-11-10 | 2022-04-08 | 哈尔滨工程大学青岛船舶科技有限公司 | Preparation of low-wind-resistance high-light-transmittance catalytic plate net |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101081304A (en) * | 2007-06-29 | 2007-12-05 | 山东海信商业有限公司 | Air purification material and preparation process thereof |
| WO2009091367A1 (en) * | 2008-01-17 | 2009-07-23 | Carrier Corporation | Filters for removal of volatile siloxanes and lifetime extension of photcatalytic devices |
| CN201684212U (en) * | 2010-03-05 | 2010-12-29 | 上虞兴盛炭业科技有限公司 | Air sterilization purifier |
-
2015
- 2015-03-02 CN CN201510093274.4A patent/CN104785234A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101081304A (en) * | 2007-06-29 | 2007-12-05 | 山东海信商业有限公司 | Air purification material and preparation process thereof |
| WO2009091367A1 (en) * | 2008-01-17 | 2009-07-23 | Carrier Corporation | Filters for removal of volatile siloxanes and lifetime extension of photcatalytic devices |
| CN201684212U (en) * | 2010-03-05 | 2010-12-29 | 上虞兴盛炭业科技有限公司 | Air sterilization purifier |
Non-Patent Citations (2)
| Title |
|---|
| 孙德智等: "《环境工程中的高级氧化技术》", 30 April 2002 * |
| 张金龙等: "《光催化》", 31 October 2004 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107494A (en) * | 2015-07-30 | 2015-12-02 | 苏州弗莱希智能科技有限公司 | Activated carbon based nano TiO2 composite MnO2 catalytic material and preparation method therefor |
| CN105413705A (en) * | 2015-11-11 | 2016-03-23 | 福建紫荆环境工程技术有限公司 | Catalyst for removing VOCs through photocatalysis in cooperation with thermal catalytic oxidation and preparation method and application of catalyst |
| CN106732487A (en) * | 2016-12-22 | 2017-05-31 | 桂东县湘浙活性炭有限公司 | TiO2Photocatalytic activity carbon regeneration method |
| CN109908750A (en) * | 2017-01-20 | 2019-06-21 | 杭州启澄科技有限公司 | A kind of catalysis high-pressure decomposing reactor handling industrial waste gas |
| CN106669415A (en) * | 2017-01-20 | 2017-05-17 | 杭州启澄科技有限公司 | Catalytic high-pressure decomposition reactor for treating industrial waste gas |
| CN106621802A (en) * | 2017-01-20 | 2017-05-10 | 杭州启澄科技有限公司 | Treatment system for purifying industrial waste gas |
| CN106669415B (en) * | 2017-01-20 | 2019-05-14 | 杭州启澄科技有限公司 | A kind of catalysis high-pressure decomposing reactor handling industrial waste gas |
| CN106621743A (en) * | 2017-01-20 | 2017-05-10 | 杭州启澄科技有限公司 | Treatment method for purifying industrial waste gas |
| CN108043221A (en) * | 2018-01-24 | 2018-05-18 | 合肥工业大学 | A kind of photocatalytic active carbon absorption tail gas processing unit and its processing method |
| CN109876797A (en) * | 2019-03-01 | 2019-06-14 | 陕西青朗万城环保科技有限公司 | A kind of catalyst and preparation method thereof in strong microwave ultraviolet field |
| CN111185090A (en) * | 2020-02-21 | 2020-05-22 | 中物院成都科学技术发展中心 | Device for photocatalytic degradation of organic waste gas and application method thereof |
| CN113600193A (en) * | 2021-08-21 | 2021-11-05 | 马鞍山师范高等专科学校 | Aluminum-based Fe3O4-TiO2Preparation method, device and application of composite photocatalytic plate |
| CN113600193B (en) * | 2021-08-21 | 2023-06-16 | 马鞍山师范高等专科学校 | Aluminum-based Fe 3 O 4 -TiO 2 Preparation method, device and application of composite photocatalytic plate |
| CN114289076A (en) * | 2021-11-10 | 2022-04-08 | 哈尔滨工程大学青岛船舶科技有限公司 | Preparation of low-wind-resistance high-light-transmittance catalytic plate net |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104785234A (en) | Honeycomb active carbon supported catalyst plate | |
| Jo et al. | Hierarchical flower-like NiAl-layered double hydroxide microspheres encapsulated with black Cu-doped TiO2 nanoparticles: Highly efficient visible-light-driven composite photocatalysts for environmental remediation | |
| Zheng et al. | Research on photocatalytic H2 production from acetic acid solution by Pt/TiO2 nanoparticles under UV irradiation | |
| Vattikuti et al. | Graphitic carbon nitride/Na2Ti3O7/V2O5 nanocomposite as a visible light active photocatalyst | |
| Dou et al. | The simultaneous promotion of Cr (VI) photoreduction and tetracycline removal over 3D/2D Cu2O/BiOBr S-scheme nanostructures | |
| He et al. | Facile fabrication of novel Cd3 (C3N3S3) 2/CdS porous composites and their photocatalytic performance for toluene selective oxidation under visible light irradiation | |
| CN101653728B (en) | Preparation method and application thereof for zinc ferrite/titanium dioxide nano compounded visible light photocatalyst | |
| CN101905154B (en) | Method for improving efficiency of visible light response doping-type M-TiO2/AC photocatalyst | |
| Tan et al. | Self-supporting hierarchical PdCu aerogels for enhanced catalytic reduction of 4-nitrophenol | |
| CN110227453B (en) | Preparation method of AgCl/ZnO/GO composite visible light catalyst | |
| CN101537354A (en) | Preparation method of visible-light activated cuprous oxide/titanium dioxide nano-composite photocatalyst and applications thereof | |
| CN103100398A (en) | Preparation method of natural zeolite loaded one-dimensional TiO2 nanowire with high catalytic activity | |
| Wang et al. | The controllable synthesis of novel heterojunction CoO/BiVO4 composite catalysts for enhancing visible-light photocatalytic property | |
| CN105521809B (en) | A kind of Cu:ZnO/N:The preparation method of rGO composite photo-catalysts | |
| CN108816233A (en) | A kind of preparation method of the copper-cobalt composite oxide catalysts for benzene catalysis oxidation | |
| CN109692698B (en) | Bi/Ti for catalytic reduction of NOx3C2Nano-sheet photocatalyst and preparation method thereof | |
| Babu et al. | Ultrasound-assisted synthesis of nanoparticles for energy and environmental applications | |
| CN102101051B (en) | Method for preparing carbon nano tube supported nano photocatalysis material capable of degrading nitrogen oxides | |
| CN106622202A (en) | Preparation method of graphene-TiO2 nanotube/FTO double-layer composite film | |
| CN104624211A (en) | Preparation method of complex photocatalyst responsive to visible light and application of complex photocatalyst | |
| CN102553562B (en) | Multiple modified composite photocatalyst and preparation method thereof | |
| CN111974374A (en) | Preparation method of biochar modified nano ZnO composite powder | |
| Xu et al. | Recent Developments on Gas‐Phase Volatile Organic Compounds Abatement Based on Photocatalysis | |
| CN102389836A (en) | Polyaniline/titanium dioxide/clay nanometer composite photocatalyst and preparation method thereof | |
| Duan et al. | The composite of Zr-doped TiO2 and MOF-derived metal oxide for oxidative removal of formaldehyde at the room temperature |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150722 |
|
| RJ01 | Rejection of invention patent application after publication |