CN110075891A - A kind of carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst and its preparation method and application - Google Patents

A kind of carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst and its preparation method and application Download PDF

Info

Publication number
CN110075891A
CN110075891A CN201910313937.7A CN201910313937A CN110075891A CN 110075891 A CN110075891 A CN 110075891A CN 201910313937 A CN201910313937 A CN 201910313937A CN 110075891 A CN110075891 A CN 110075891A
Authority
CN
China
Prior art keywords
carbon cloth
solution
titanium dioxide
carbonate
composite photo
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
Application number
CN201910313937.7A
Other languages
Chinese (zh)
Inventor
司明智
王文广
刘远
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong University of Technology
Original Assignee
Guangdong University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong University of Technology filed Critical Guangdong University of Technology
Priority to CN201910313937.7A priority Critical patent/CN110075891A/en
Publication of CN110075891A publication Critical patent/CN110075891A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/20Carbon compounds
    • B01J27/232Carbonates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39Photocatalytic properties
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/308Dyes; Colorants; Fluorescent agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/10Photocatalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Catalysts (AREA)

Abstract

The invention belongs to catalysis material technical field, a kind of carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst and its preparation method and application is disclosed.Carbon cloth carried titanium dioxide/silver carbonate the composite photo-catalyst is to be immersed in the carbon cloth of cleaning in nitric acid to carry out surface acid etching and drying;The mixed ethanol solution of butyl titanate and acetylacetone,2,4-pentanedione is added drop-wise in the ethanol solution of hydrochloric acid, solution A is obtained;Processed carbon cloth is added in solution A and is stirred, drying is taken out, product B is calcined to obtain at 400-600 DEG C;Product B is put into carbonate solution and is impregnated, is then put into silver nitrate solution and impregnates, places into carbonate solution and impregnates, the circulation immersion in silver nitrate solution and carbonate solution is made after freeze-drying.Method and process of the invention is simple, and titanium dioxide/silver carbonate composite photocatalyst material of gained carbon cloth load had both enhanced photocatalysis stability, while solving the problems, such as that photocatalytic powder is difficult to recycle.

Description

A kind of carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst and preparation method thereof And application
Technical field
The invention belongs to catalysis material technical fields, more particularly, to a kind of carbon cloth carried titanium dioxide/silver carbonate (TiO2/Ag2CO3) composite photo-catalyst and its preparation method and application.
Background technique
In recent years, Dying Wastewater Treatment & causes the extensive worry of whole world scientist in the water got worse.Printing and dyeing are useless Water not only makes water body color burn, and makes water quality deterioration, to seriously threaten diversity of organism in water body.Photocatalysis material Material can be there is organic pollutants to be decomposed into the nontoxic substance such as water and carbon dioxide, to eliminate the pollution to environment. In various catalysis materials, TiO2With good chemistry, biological stability, environmentally friendly, inexpensive, long service life The advantages that.However, TiO2The disadvantages of difficult, can only be recycled by ultraviolet excitation, powder.
In recent years, a series of Ag based photocatalyst such as AgO and Ag3PO4When Deng degradable organic pollutant under visible light illumination Show excellent photocatalytic activity.However, there is also be difficult to separate for powder after light-catalyzed reaction for these Ag based photocatalysts The shortcomings that recycling and recycling.The fixed load technology of photochemical catalyst is one of the effective way to solve the above problems.Commercially Carbon cloth is widely used as catalysis material because having good electron transport ability, higher mechanical strength and mechanical property Carrier.Loaded on carbon cloth molybdenum disulfide and with silver carbonate is compound that its photocatalytic activity not only can be improved, but also be also easy to back It receives and recycles.For example, application No. is the Chinese invention patent of CN201410105065.2 " photochemical catalyst nanometers capable of magnetic separating Eu3+-CoFe2O4Raw powder's production technology ", preparation method is, by nCo (NO3)2·6H2O:nFe (NO3)3·9H2O:nEu (NO3)3·6H2The ratio of O=1:2:0.05 is dissolved in a certain amount of propylene glycol, and stirring is evaporated to form brown at 80 DEG C Vitreosol, and drying obtains xerogel for 24 hours at 110 DEG C, after xerogel taking-up is put into corundum crucible grinding, in groom's furnace 600 DEG C of baking 2h, by product it is finely ground after again in 800 DEG C of baking 2h, a nanometer Eu can be obtained in furnace cooling3+-CoFe2O4Powder Photochemical catalyst.Although the method increase the recycling rate of waterused of catalysis material, preparation process is complex.For another example apply Number for CN201810673527.9 Chinese invention patent it is " a kind of easily to recycle reusable nanocrystalline TiO2Coat hollow glass Glass microballon photochemical catalyst and preparation method thereof ", preparation method is first to disperse hollow glass micropearl in deionized water, It is dispersed with stirring;Then, solution is warming up to certain temperature, is slowly dropped into hollow glass micropearl using TiCl solution as presoma In solution, the nanocrystalline TiO of photochemical catalyst is synthesized in hollow glass micropearl surface in situ2;Then, it is aged certain time;Finally, will One kind is made after product filtering, washing, drying and easily recycles reusable nanocrystalline TiO2Coated hollow glass bead light is urged Agent.Although above-mentioned preparation method is conducive to the recycling and reusing of catalysis material, still, TiO2It can only be under ultraviolet light The organic matter that could be degraded in sewage has limitation.
Summary of the invention
In order to solve above-mentioned the shortcomings of the prior art, primary and foremost purpose of the present invention is to provide a kind of carbon cloth negative Carry TiO2/Ag2CO3Composite photo-catalyst.
Another object of the present invention is to provide above-mentioned carbon cloths to load TiO2/Ag2CO3The preparation method of composite photo-catalyst.
A further object of the present invention is to provide above-mentioned carbon cloths to load TiO2/Ag2CO3The application of composite photo-catalyst.
The purpose of the present invention is realized by following technical proposals:
A kind of carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst, the carbon cloth carried titanium dioxide/silver carbonate are multiple Light combination catalyst is to be immersed in the carbon cloth of cleaning in nitric acid to carry out surface acid etching and drying;By butyl titanate and acetylacetone,2,4-pentanedione Ethanol solution be added drop-wise in the ethanol solution of hydrochloric acid, be made solution A;Processed carbon cloth is added in solution A and is stirred, Drying is taken out, product B is calcined to obtain at 400-600 DEG C;Product B is put into carbonate solution and is impregnated, it is molten to be then put into silver nitrate It is impregnated in liquid, places into carbonate solution and impregnate, the circulation immersion in silver nitrate solution and carbonate solution, after freeze-drying It is made.
Preferably, the solvent of the cleaning is acetone, ethyl alcohol and deionized water, and the time of the cleaning is 10~20min; The concentration of the nitric acid is 60~65%;The time of the surface acid etching be 10~for 24 hours;The time of the calcining is 1~2h.
Preferably, in the ethanol solution of the butyl titanate and acetylacetone,2,4-pentanedione butyl titanate, acetylacetone,2,4-pentanedione and ethyl alcohol body Product is than being (20~25): (1~3): (30~40);The volume ratio of hydrochloric acid, water and ethyl alcohol is in the ethanol solution of the hydrochloric acid (0.1~0.2): (5~8): (16~19).
Preferably, the number of the circulation immersion is 10~20 times.
Preferably, the carbonate solution is one or more of ammonium hydrogen carbonate, sodium bicarbonate, sodium carbonate or ammonium carbonate; The concentration of the carbonate solution is 0.05~0.2mol/L;The concentration of the silver nitrate solution is 0.1~0.2mol/L.
Preferably, the condition of the freeze-drying are as follows: the temperature of freezing is -40~-46 DEG C, and vacuum degree is 35~45MPa.
Carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst preparation method, comprises the following specific steps that:
S1. carbon cloth is successively cleaned with acetone, ethyl alcohol and deionized water, then carbon cloth is immersed in nitric acid and carries out surface Acid handles and drying;
S2. the mixed ethanol solution of butyl titanate and acetylacetone,2,4-pentanedione is added drop-wise in the ethanol solution of hydrochloric acid, obtains solution A;
S3. carbon cloth processed in step S1 is immersed in the solution A of step S2 and is stirred, take out drying, 400~ 600 DEG C of calcinings, obtain product B;
S4. product B is impregnated in carbonate solution I, takes out and be put into silver nitrate solution and impregnates II;Again in carbonic acid III is impregnated in salting liquid;
S5. step S4 is repeated to recycle 10~20 times, it is freeze-dried, carbon cloth is made and loads TiO2/Ag2CO3Composite photocatalyst Material.
Preferably, the time of stirring described in step S3 is 1~2h, and the time of the calcining is 1~2h.
Preferably, described in step S5 immersion I time be 10~for 24 hours;The time of the immersion II is 10~20s, institute The time for stating immersion III is 10~20s.
The carbon cloth carried titanium dioxide/application of the silver carbonate composite photo-catalyst in photocatalysis field.
Compared with prior art, the invention has the following advantages:
1. the TiO that carbon cloth of the invention loads2/Ag2CO3Composite photocatalyst material had both enhanced photocatalysis stability, in light It can be transferred on silver carbonate conduction band according to the light induced electron of lower titanium dioxide, and carbon cloth is also beneficial to the transfer of light induced electron, Light induced electron on silver carbonate conduction band can be further diverted on carbon cloth, and photohole stays in titanium dioxide and silver carbonate respectively On, this process is conducive to the separation in light induced electron and hole, and then improves the degradation rate to rhodamine B.
2. preparation method simple process of the invention, required organic solvent is less, and carbon cloth loads catalysis material, It has degraded under illumination after organic pollutants, carbon cloth need to only have been taken out, be conducive to the recycling and benefit again of catalysis material With so as to avoid the secondary pollution of water body.
Detailed description of the invention
Fig. 1 is that the carbon cloth of embodiment 1 loads TiO2/Ag2CO3The scanning electron microscope (SEM) photograph of composite photocatalyst material.
Fig. 2 is that the carbon cloth of embodiment 1 loads TiO2/Ag2CO3Binary made from composite photocatalyst material and comparative example 1 is compound The rate curve of catalysis material rhodamine B degradation under visible light.
Specific embodiment
The contents of the present invention are further illustrated combined with specific embodiments below, but should not be construed as limiting the invention. Unless otherwise specified, the conventional means that technological means used in embodiment is well known to those skilled in the art.Except non-specifically Illustrate, reagent that the present invention uses, method and apparatus is the art conventional reagents, method and apparatus.
Embodiment 1
1. carbon cloth is successively cleaned 20min with acetone, ethyl alcohol and deionized water, then carbon cloth is immersed in 65% nitric acid Middle progress surface acid etching is for 24 hours and dry.
It is sufficiently stirred 2. the acetylacetone,2,4-pentanedione of the butyl titanate of 22.6mL and 2mL is added in the ethyl alcohol of 36.8mL.
3. the hydrochloric acid solution of 0.1mL and 5mL water to be added in the ethyl alcohol of 18.4mL and be sufficiently stirred.
4. the solution that step 3 is stirred evenly is added dropwise in 2.
5. processed carbon cloth in step 1 is taken to be added in step 4,1h is stirred, 3mL deionized water is then added, is taken out It is dry.
6. gained sample in step 5 is calcined, 500 DEG C of calcination temperature, time 1h.
7. taking in step 6 calcined sample to be put into the ammonium bicarbonate soln of 0.075mol/L to impregnate for 24 hours.
8. the carbon cloth impregnated in step 7 is taken out and is put into the silver nitrate solution of 0.15mol/L and impregnates 10s.
9. carbon cloth in step 8 is impregnated 10s in step 7 again.
10. repeating step 8,9 circulation 20 times, at -40 DEG C of condensation temperature, vacuum degree is to be freeze-dried under 35MPa, is made It obtains carbon cloth and loads TiO2/Ag2CO3Composite photocatalyst material.
Fig. 1 is originally to apply carbon cloth made from example to load TiO2/Ag2CO3The scanning electron microscope (SEM) photograph of composite photocatalyst material.From Fig. 1 It is found that titanium dioxide and silver carbonate are supported on carbon cloth well;Illustrate that carbon cloth loads TiO2/Ag2CO3Composite photocatalyst material Successfully prepare.Fig. 2 is that carbon cloth made from the present embodiment loads TiO2/Ag2CO3Composite photocatalyst material and comparison The rate curve of the rhodamine B degradation under visible light of binary composite photocatalyst material made from example 1 and 2.Comparing from Fig. 2 can Know, when the rhodamine B solution for same concentrations and the volume of degrading, carbon cloth loads TiO2/Ag2CO3Composite photocatalyst material degradation Luo Dan The bright B used time is most short, illustrates that carbon cloth loads TiO2/Ag2CO3Composite photocatalyst material material is compared to pair prepared under the same terms Carbon cloth loaded Ag in ratio 1 and 22CO3Catalysis material, carbon cloth load TiO2Material has higher photocatalytic activity and stabilization Property.
Embodiment 2
1. carbon cloth is successively cleaned 20min with acetone, ethyl alcohol and deionized water, then carbon cloth is immersed in 65% nitric acid Middle progress surface acid etching is for 24 hours and dry.
It is sufficiently stirred 2. the acetylacetone,2,4-pentanedione of the butyl titanate of 22.6mL and 2mL is added in the ethyl alcohol of 36.8mL.
3. the hydrochloric acid solution of 0.1mL and 5mL water to be added in the ethyl alcohol of 18.4mL and be sufficiently stirred.
4. the solution that step 3 is stirred evenly is added dropwise in step 2.
5. processed carbon cloth in step 1 is taken to be added in 4,1h is stirred, 3mL deionized water is then added, takes out drying.
6. gained sample in step 5 is calcined, 500 DEG C of calcination temperature, time 1h.
7. taking in step 6 calcined sample to be put into the sal volatile of 0.075mol/L to impregnate for 24 hours.
8. the carbon cloth impregnated in step 7 is taken out and is put into the silver nitrate solution of 0.15mol/L and impregnates 10s.
9. carbon cloth in step 8 is immersed in 10s in 7 again.
10. repeating step 8,9 circulation 20 times, at -40 DEG C of condensation temperature, vacuum degree is to be freeze-dried under 35MPa, is made It obtains carbon cloth and loads TiO2/Ag2CO3Composite photocatalyst material.
Embodiment 3
Different from embodiment 1 is: the time of cleaning described in step 1 is 10min;The concentration of the nitric acid is 60%, the time of the surface acid etching is 10h;The acetylacetone,2,4-pentanedione of the butyl titanate of 25ml and 3ml is dissolved in step 2 In 40ml ethyl alcohol;It is that the hydrochloric acid solution of 0.2mL and 8mL water are added in the ethyl alcohol of 19mL and are sufficiently stirred in step 3;Step 6 Described in the temperature of calcining be 400 DEG C, time of calcining is 2h;The concentration of ammonium bicarbonate soln described in step 7 is 0.2mol/ L, the time of the immersion are 10h;The concentration of silver nitrate solution described in step 8 is 0.2mol/L, and the time of the immersion is 20s;The time of immersion described in step 9 is 20s;The number of circulation immersion described in step 10 is 10 times, described in condensation temperature Degree is -46 DEG C, vacuum degree 45MPa.
Embodiment 4
Different from embodiment 2 is: the time of cleaning described in step 1 is 10min;The concentration of the nitric acid is 60%, the time of the surface acid etching is 10h;The acetylacetone,2,4-pentanedione of the butyl titanate of 20ml and 1ml is dissolved in step 2 In 30ml ethyl alcohol;It is that the hydrochloric acid solution of 0.15mL and 7mL water are added in the ethyl alcohol of 16mL and are sufficiently stirred in step 3;Step 6 Described in the temperature of calcining be 550 DEG C, time of calcining is 1.5h;The concentration of sal volatile described in step 7 is 0.05mol/L, the time of the immersion are 15h;The concentration of silver nitrate solution described in step 8 is 0.1mol/L, the immersion Time be 15s;The time of immersion described in step 9 is 15s;The number of circulation immersion described in step 10 is 15 times, described It is -46 DEG C in condensation temperature, vacuum degree 40MPa.
Embodiment 5
Different from embodiment 3 is: the time of cleaning described in step 1 is 15min;The concentration of the nitric acid is 62%, the time of the surface acid etching is 15h;The acetylacetone,2,4-pentanedione of the butyl titanate of 23ml and 2ml is dissolved in step 2 In 35ml ethyl alcohol;It is that the hydrochloric acid solution of 0.1mL and 6mL water are added in the ethyl alcohol of 16mL and are sufficiently stirred in step 3;Step 6 Described in the temperature of calcining be 600 DEG C, time of calcining is 1.5h;The concentration of sal volatile described in step 7 is 0.15mol/L, the time of the immersion are 20h;The concentration of silver nitrate solution described in step 8 is 0.15mol/L, the immersion Time be 17s;The time of immersion described in step 9 is 17s;The number of circulation immersion described in step 10 is 18 times, described It is -44 DEG C in condensation temperature, vacuum degree 37MPa.
Comparative example 1
1. carbon cloth is successively cleaned 20min with acetone, ethyl alcohol and deionized water, then carbon cloth is immersed in 65% nitric acid Middle progress surface acid etching is for 24 hours and dry.
2. taking in 1 carbon cloth to be put into the ammonium bicarbonate soln of 0.075mol/L to impregnate for 24 hours.
3. the carbon cloth impregnated in 2 is taken out and is put into the silver nitrate solution of 0.15mol/L and impregnates 10s.
4. carbon cloth in step 3 is impregnated solution 10s in step 2 again.
5. repeating step 3 and 4 circulations 20 times, carbon cloth loaded Ag is made2CO3Catalysis material.
6. the carbon cloth Ag that step 5 is obtained2CO3It is freeze-dried, condensing condition are as follows: -40 DEG C of condensation temperature, vacuum degree For 35MPa, carbon cloth loaded Ag is obtained2CO3Catalysis material.
Comparative example 2
1. carbon cloth is successively cleaned 20min with acetone, ethyl alcohol and deionized water, then carbon cloth is immersed in 65% nitric acid Middle progress surface acid etching is for 24 hours and dry.
It is sufficiently stirred 2. the acetylacetone,2,4-pentanedione of the butyl titanate of 22.6mL and 2mL is added in the ethyl alcohol of 36.8mL.
3. the hydrochloric acid solution of 0.1mL and 5mL water to be added in the ethyl alcohol of 18.4mL and be sufficiently stirred.
4. the solution that step 3 is stirred evenly is added dropwise to solution in step 2.
5. processed carbon cloth in step 1 is taken to be added in step 4,1h is stirred, 3mL deionized water is then added, is taken out It is dry.
6. gained sample in step 5 is calcined, 500 DEG C of calcination temperature, time 1h, carbon cloth load TiO is obtained2Material.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment Limitation, it is other it is any without departing from the spirit and principles of the present invention made by change, modification, substitution, combination and simplify, It should be equivalent substitute mode, be included within the scope of the present invention.

Claims (10)

1. a kind of carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst, which is characterized in that the carbon cloth loads titanium dioxide Titanium/silver carbonate composite photo-catalyst is to be immersed in the carbon cloth of cleaning in nitric acid to carry out surface acid etching and drying;By metatitanic acid fourth The ethanol solution of ester and acetylacetone,2,4-pentanedione is added drop-wise in the ethanol solution of hydrochloric acid, with obtained solution A;Processed carbon cloth is added to It is stirred in solution A, takes out drying, product B is calcined to obtain at 400~600 DEG C;Product B is put into carbonate solution and is impregnated, then It is put into silver nitrate solution and impregnates, place into carbonate solution and impregnate, leaching is recycled in silver nitrate solution and carbonate solution Bubble is made after freeze-drying.
2. carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst according to claim 1, which is characterized in that described The solvent of cleaning is acetone, ethyl alcohol and deionized water, and the time of the cleaning is 10~20min;The concentration of the nitric acid is 60 ~65%;The time of the surface acid etching be 10~for 24 hours;The time of the calcining is 1~2h.
3. carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst according to claim 1, which is characterized in that described The volume ratio of butyl titanate, acetylacetone,2,4-pentanedione and ethyl alcohol is (20~25) in the ethanol solution of butyl titanate and acetylacetone,2,4-pentanedione: (1~ 3): (30~40);The volume ratio of hydrochloric acid, water and ethyl alcohol is (0.1~0.2): (5~8): (16 in the ethanol solution of the hydrochloric acid ~19).
4. carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst according to claim 1, which is characterized in that described The number of circulation immersion is 10~20 times.
5. carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst according to claim 1, which is characterized in that described Carbonate solution is one or more of ammonium hydrogen carbonate, sodium bicarbonate, sodium carbonate or ammonium carbonate;The concentration of the carbonate solution For 0.05~0.2mol/L;The concentration of the silver nitrate solution is 0.1~0.2mol/L.
6. carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst according to claim 1, which is characterized in that described The condition of freeze-drying are as follows: the temperature of freezing is -40~-46 DEG C, and vacuum degree is 35~45MPa.
7. the preparation side of carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst according to claim 1-6 Method, which is characterized in that comprise the following specific steps that:
S1. carbon cloth is successively cleaned with acetone, ethyl alcohol and deionized water, then carbon cloth is immersed in nitric acid and is carried out at surface acid It manages and dries;
S2. the mixed ethanol solution of butyl titanate and acetylacetone,2,4-pentanedione is added drop-wise in the ethanol solution of hydrochloric acid, obtains solution A;
S3. carbon cloth processed in step S1 is immersed in the solution A of step S2 and is stirred, drying is taken out, at 400~600 DEG C Calcining, obtains product B;
S4. product B is impregnated in carbonate solution I, takes out and be put into silver nitrate solution and impregnates II;It is molten in carbonate again III is impregnated in liquid;
S5. step S4 is repeated to recycle 10~20 times, it is freeze-dried, carbon cloth is made and loads TiO2/Ag2CO3Composite photocatalyst material Material.
8. the preparation method of carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst according to claim 7, feature It is, the time of stirring described in step S3 is 1~2h, and the time of the calcining is 1~2h.
9. the preparation method of carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst according to claim 7, feature Be, described in step S5 immersion I time be 10~for 24 hours;The time of the immersion II is 10~20s, the immersion III Time is 10~20s.
10. carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst described in any one of claims 1-6 is in photocatalysis field In application.
CN201910313937.7A 2019-04-18 2019-04-18 A kind of carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst and its preparation method and application Pending CN110075891A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910313937.7A CN110075891A (en) 2019-04-18 2019-04-18 A kind of carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst and its preparation method and application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910313937.7A CN110075891A (en) 2019-04-18 2019-04-18 A kind of carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst and its preparation method and application

Publications (1)

Publication Number Publication Date
CN110075891A true CN110075891A (en) 2019-08-02

Family

ID=67415609

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910313937.7A Pending CN110075891A (en) 2019-04-18 2019-04-18 A kind of carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst and its preparation method and application

Country Status (1)

Country Link
CN (1) CN110075891A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110756043A (en) * 2019-10-31 2020-02-07 江苏清荷材料科技有限公司 Automobile ceiling capable of purifying VOC in automobile and preparation method thereof
CN111957328A (en) * 2020-08-21 2020-11-20 广东工业大学 Catalyst module, preparation method and application
CN112264069A (en) * 2020-10-23 2021-01-26 南京信息工程大学 Attapulgite photocatalyst and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108855164A (en) * 2018-06-19 2018-11-23 广东工业大学 A kind of carbon cloth load MoS2/Ag3PO4The preparation method of composite photocatalyst material
CN109174141A (en) * 2018-10-12 2019-01-11 宝鸡文理学院 A kind of preparation method of composite Nano catalysis material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108855164A (en) * 2018-06-19 2018-11-23 广东工业大学 A kind of carbon cloth load MoS2/Ag3PO4The preparation method of composite photocatalyst material
CN109174141A (en) * 2018-10-12 2019-01-11 宝鸡文理学院 A kind of preparation method of composite Nano catalysis material

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PENGFEI XU,等: "Preparation of TiO2/Bi2WO6 nanostructured heterojunctions on carbon fibers as a weaveable visible-light photocatalyst/photoelectrode", 《ENVIRON. SCI.: NANO》 *
XIAODONG GU,等: "Growth of TiO2 nanorod bundles on carbon fibers as flexible and weaveable photocatalyst/photoelectrode", 《RSC ADV.》 *
司玉军,等: "Ag2CO3修饰TiO2增强其光催化降解甲基橙研究", 《贵金属》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110756043A (en) * 2019-10-31 2020-02-07 江苏清荷材料科技有限公司 Automobile ceiling capable of purifying VOC in automobile and preparation method thereof
CN110756043B (en) * 2019-10-31 2022-04-12 江苏清荷材料科技有限公司 Automobile ceiling capable of purifying VOC in automobile and preparation method thereof
CN111957328A (en) * 2020-08-21 2020-11-20 广东工业大学 Catalyst module, preparation method and application
CN112264069A (en) * 2020-10-23 2021-01-26 南京信息工程大学 Attapulgite photocatalyst and preparation method thereof

Similar Documents

Publication Publication Date Title
CN110075891A (en) A kind of carbon cloth carried titanium dioxide/silver carbonate composite photo-catalyst and its preparation method and application
CN103752268B (en) The filter core preparation method and application of heavy metal and arsenic, fluorine in absorption drinking water
CN106475125B (en) Graphite phase carbon nitride and nano-titanium dioxide composite coating additive and preparation method
CN108579779A (en) A kind of three-dimensional composite material, preparation method and the application in the removal of water pollutant visible light photocatalytic degradation
CN108855011A (en) With absorption-visible light photocatalytic degradation synergistic effect composite material and application thereof
CN109806776A (en) Mix the method for the modified microfiltration membranes of iron graphene oxide titanic oxide nano compound material
CN109772379A (en) A kind of nano level metal fluoride catalysts of confinement formula structure and its preparation method and application
CN1724146A (en) Preparation for load type nano composite photocatalyst for catalyzing oxidizing degrading organism under sun lighting
CN105749762A (en) Macromolecular composite membrane material with photocatalysis activity and preparation method thereof
CN103285891A (en) Preparation method of bismuth oxide halide-titanium oxide nanotube array composite photo-catalytic membrane
CN108499611A (en) A kind of preparation method of metal organic frame load nano-titanium dioxide photocatalysis agent
CN103920508A (en) Nitrated carbon fiber loaded bismuth oxyhalide nanoflower and preparation method of nanoflower
CN107774283B (en) Molybdenum disulfide intercalated hydrotalcite composite material and preparation method and application thereof
CN102125848B (en) Preparation of magnetic heterogeneous light Fenton catalyst and method for degrading organic pollutants
CN113231059B (en) Composite catalyst for electron beam sewage treatment and preparation method and application thereof
CN109433241A (en) A kind of quantum-dot modified TiO of carbonitride2The preparation and application of photonic crystal catalyst
CN109107558A (en) Catalysis material and preparation method thereof, fabric
CN110694604B (en) TiO (titanium dioxide) 2 PPy super-infiltration photocatalytic composite material and preparation method thereof
CN104226252A (en) Preparation method and application of carbon black and nanometer titania composite material
CN110404524A (en) Carbon quantum dot/titanium dioxide composite photocatalyst preparation method and applications
CN104923210A (en) PR<3+>:Y2SiO5/TiO2 photocatalytic composite film based on glass fiber filter film carrier, preparation method and application thereof
CN109954411A (en) A kind of load has TiO2/SiO2PES ultrafiltration membrane and its preparation method and application
CN107552080A (en) A kind of support type N TiO2Photochemical catalyst and its preparation method and application
CN108404896A (en) A kind of photochemical catalyst of Liquidity limit dyestuff
CN109876769A (en) A kind of graphene oxide-yttrium hydroxide composite material, preparation method and applications

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190802

RJ01 Rejection of invention patent application after publication