CN104707605A - Preparation method for Cu2O/TiO2 composite photo-thermal catalyst - Google Patents
Preparation method for Cu2O/TiO2 composite photo-thermal catalyst Download PDFInfo
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- CN104707605A CN104707605A CN201410095354.9A CN201410095354A CN104707605A CN 104707605 A CN104707605 A CN 104707605A CN 201410095354 A CN201410095354 A CN 201410095354A CN 104707605 A CN104707605 A CN 104707605A
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Abstract
The invention provides a preparation method for a Cu2O/TiO2 composite photo-thermal catalyst. The preparation method comprises the following steps: preparation of a butyl titanate hydrolysis buffer solution; preparation of nanometer TiO2 catalyst powder; and preparation of the Cu2O/TiO2 composite photo-thermal catalyst with photo-thermal concerted catalysis effect. The invention has the following beneficial effects: the Cu2O/TiO2 composite photo-thermal catalyst has photo-thermal concerted catalysis effect, and the photo-thermal concerted catalysis effect is increased by 30 to 40% compared with single photocatalysis effect, by 50 to 60% compared with single thermocatalysis effect and by 20% compared with superposed photocatalysis effect and thermocatalysis effect; and from the perspective of energy utilization, the Cu2O/TiO2 composite photo-thermal catalyst can effectively use luminous energy and heat energy for catalytic reaction and has the advantages of energy conservation and high efficiency.
Description
Technical field
The present invention relates to inorganic functional material and fine chemistry industry technology of preparing, is a kind of Cu
2o/TiO
2the preparation method of composite optothermal catalyst.
Background technology
In recent years, TiO
2photocatalysis technology has become a kind of environmental type water technology favored by people, this photocatalysis technology is called as " green technology " and " environmentally-friendly technique ", the degradation characteristic that photocatalysis technology is high with its activity, oxidability is strong, easy and simple to handle, the most outstanding advantages such as organic matter and non-secondary pollution of energy mineralising shows its uniqueness in the process of organic polluting water, but shortcoming seriously constrains its practical application in organic wastewater degraded such as sunshine efficiency is low, the difficult separation of nanoscale, exciting light penetration power are weak.Therefore, domestic and international researcher is for TiO
2architectural characteristic and physicochemical characteristic the study on the modification such as a large amount of carried with doped are carried out to it, and achieve a lot of valuable achievement in research.
Thermocatalytic technology is a kind of very traditional chemical method, and the temperature improving reaction system effectively can improve the movement rate of reaction system Middle molecule and intermolecular collision probability, and then promotes reaction rate.Research shows, the photo-thermal concerted catalysis technology having photocatalysis technology and thermocatalytic technology concurrently, on the basis of following Mars-vanKrevelen redox cycle theory, shows very high catalytic effect.And, also find that photocatalytic process is a kind of brand-new reaction path with being coupled of thermocatalytic process under higher reaction temperatures, instead of the simple superposition of catalyst photocatalysis performance and thermocatalytic performance.Scholar Wang Guangping is to mixed crystal Zr doping Pt/TiO
2the research of photo-thermal catalytic oxidation benzene shows that the thermocatalytic speed constant of light is single light-catalysed 2.46 times, single thermocatalytic 7.89 times, photocatalysis and thermocatalytic linearly add and 1.87 times, this shows that photo-thermal catalytic process exists cooperative reinforcing effect.
Summary of the invention
The object of the invention there is provided a kind of Cu
2o/TiO
2the preparation method of composite optothermal catalyst, the present invention take butyl titanate as titanium source, with the ethanol solution hydrochloride of 0.1mol/L for butyl titanate lysis buffer, first adopts sol-gal process to prepare nano-TiO
2catalyst powder, then with the nano-TiO of preparation
2catalyst powder is carrier, adopts in-situ compositing by nano-TiO
2catalyst powder and Cu
2o compound, is prepared into the Cu with photo-thermal catalytic effect
2o/TiO
2composite optothermal catalyst.
For achieving the above object, Cu of the present invention
2o/TiO
2the preparation method of composite optothermal catalyst, comprises the following steps:
(1) preparation of butyl titanate lysis buffer
Be the concentrated hydrochloric acid of 36% ~ 38% by 8.52ml mass fraction, join the 0.1mol/L be mixed with in the 1000ml volumetric flask of anhydrous ethanol solvent is housed ethanol solution hydrochloride as butyl titanate lysis buffer;
(2) nano-TiO
2the preparation of catalyst powder
Raw materials: butyl titanate, absolute ethyl alcohol, butyl titanate lysis buffer, distilled water.
Reactive material volume ratio is: butyl titanate: absolute ethyl alcohol: butyl titanate lysis buffer: distilled water+butyl titanate lysis buffer=10:10:20-50:2.1+5;
At 15 DEG C of-35 DEG C of temperature, butyl titanate and absolute ethyl alcohol are placed in pear shape separatory funnel, fully mix, obtain butyl titanate component, be designated as component X; Distilled water and lysis buffer are placed in pear shape separatory funnel mix, obtain distilled water component, be designated as Z component; Get 20ml-50ml lysis buffer and be placed in beaker, and stir under beaker being placed in mechanical agitator, obtain lysis buffer system, be designated as Y component; Component X and Z component are added drop-wise in Y component, obtain butyl titanate hydrolyzation system, realize nano-TiO by the hydrolysis-condensation reaction of butyl titanate
2the preparation of catalyst;
In Y component, drip component X and Z component simultaneously, during dropping, mechanical agitation is carried out to butyl titanate hydrolyzation system, form colloidal sol, continue to stir, until form gel, stop stirring.Gel rubber system being placed ageing 12h-24h, is dry 12h-24h within the scope of 100 DEG C-120 DEG C in temperature, forms bright yellow solid particle, be placed in Muffle furnace heat treatment crystallization forming, in 400 DEG C-700 DEG C after calcination 2h-5h, cool, grind, cross 500 mesh standard sieves, namely obtain nano-TiO
2catalyst powder.
(3) Cu
2o/TiO
2the preparation of composite optothermal catalyst
Preparation 1L concentration is the CuSO of 0.1mol/L-3mol/L
4solution, gets 100mL and joins in 250mL round-bottomed flask, accurately take nano-TiO prepared by 0.5g-2g
2catalyst powder joins in round-bottomed flask, is placed in by round-bottomed flask on magnetic stirring apparatus, opens magnetic agitation 10-30min, ultrasonic disperse 15 ~ 20min after stirring; Again open magnetic agitation subsequently, dropwise add the NaOH solution of 1mol/L under magnetic stirring, adjust ph is 10, obtain suspending liquid A, the suspending liquid A obtained is placed in water-bath, heating water bath 20min-40min at 70 DEG C-90 DEG C, then dropwise adding 7-10ml concentration is 1mol/L hydrazine hydrate solution, until after bubble-free generation, continue constant temperature water bath and add thermal response 30min, obtain yellow suspension B.By the yellow suspension solution B centrifugation 15min under 7500rpm rotating speed obtained, by the centrifugation product absolute ethyl alcohol centrifuge washing that obtains 3-5 time.Finally precipitated product is placed in vacuum drying chamber, vacuum drying 10h at 80 DEG C, obtains celadon solid, by gained celadon solid abrasive, sieves, namely obtains Cu
2o/TiO
2composite optothermal catalyst.
Effect of the present invention is:
1, in catalyst preparation process, adopt the ethanol solution hydrochloride of 0.1mol/L to do fast hydrolyzing-polycondensation reaction that lysis buffer effectively can delay butyl titanate, have and shorten the advantage such as aerosol time, simplification preparation technology.
2, this Cu
2o/TiO
2composite optothermal catalyst not only has photo-thermal concerted catalysis characteristic, and photo-thermal concerted catalysis effect improves 30%-70% compared to single photocatalytic effect, improve 50%-60% compared to single thermocatalytic effect, improve 20% compared to photocatalytic effect with superposing of thermocatalytic effect.
3, angle analysis is utilized, this Cu from the energy
2o/TiO
2composite optothermal catalyst can effectively utilize luminous energy and heat energy to carry out catalytic reaction, has the advantage of efficient energy-saving.
Accompanying drawing explanation
Fig. 1 is Cu of the present invention
2o/TiO
2the XRD collection of illustrative plates of composite optothermal catalyst;
Detailed description of the invention
By reference to the accompanying drawings and embodiment to Cu of the present invention
2o/TiO
2the preparation method of composite optothermal catalyst is illustrated.
Cu of the present invention
2o/TiO
2under the preparation method of composite optothermal catalyst is based on the prerequisite of coupling light catalysis and thermocatalytic technical advantage, concerted catalysis relation both effectively controlling, prepares the Cu with photo-thermal synergic catalytic effect
2o/TiO
2composite optothermal catalyst.
(1) preparation of butyl titanate lysis buffer
Be the concentrated hydrochloric acid of 36% ~ 38% by 8.52ml mass fraction, join and be equipped with in the 1000ml volumetric flask of anhydrous ethanol solvent, the ethanol solution hydrochloride of the 0.1mol/L be mixed with is as butyl titanate lysis buffer;
(2) nano-TiO
2the preparation of catalyst powder
Preparation feedback raw material of substance: butyl titanate, absolute ethyl alcohol, butyl titanate lysis buffer, distilled water;
At temperature is 15 DEG C-35 DEG C, butyl titanate and absolute ethyl alcohol are placed in pear shape separatory funnel, are fully mixed to get butyl titanate component, are designated as component X; Distilled water and lysis buffer are placed in pear shape separatory funnel mix, obtain distilled water component, be designated as Z component; Get 20ml-50ml butyl titanate lysis buffer and be placed in beaker, and stir under beaker being placed in mechanical agitator, obtain butyl titanate lysis buffer system, be designated as Y component; Component X and Z component are added drop-wise in Y component, obtain butyl titanate hydrolyzation system, realize nano-TiO by the hydrolysis-condensation reaction of butyl titanate
2the preparation of catalyst;
In Y component, drip component X and Z component simultaneously, during dropping, mechanical agitation is carried out to butyl titanate hydrolyzation system, continue to stir after forming colloidal sol, until form gel rubber system, stop stirring, described gel rubber system is placed ageing 12h-24h, is dry 12h-24h in 100 DEG C-120 DEG C in temperature, forms bright yellow solid particle, be placed in Muffle furnace heat treatment crystallization forming, in 400 DEG C-700 DEG C after calcination 2h-5h, cool, grind, cross 500 mesh standard sieves, namely obtain nano-TiO
2catalyst powder;
(3) Cu
2o/TiO
2the preparation of composite optothermal catalyst
Preparation 1L concentration is the CuSO of 0.1mol/L-3mol/L
4solution, gets 100mL and joins in 250mL round-bottomed flask, accurately take nano-TiO prepared by 0.5g-2g
2catalyst powder joins in round-bottomed flask, is placed in by round-bottomed flask on magnetic stirring apparatus, opens magnetic agitation 10-30min, ultrasonic disperse 15 ~ 20min after stirring, again open magnetic agitation subsequently, drip the NaOH solution of 1mol/L under magnetic stirring, adjust ph is 10, obtain suspending liquid A, the suspending liquid A obtained is placed in water-bath, heating water bath 20min-40min at temperature is 70 DEG C-90 DEG C, then dripping 7-10ml concentration is that copper ion is reduced into cuprous ion as reducing agent by 1mol/L hydrazine hydrate solution, until after bubble-free generation, continue constant temperature water bath and add thermal response 30min, obtain yellow suspension B, by the yellow suspension solution B centrifugation 15min under 7500rpm rotating speed obtained, by the centrifugation product absolute ethyl alcohol centrifuge washing that obtains 3-5 time, finally precipitated product is placed in vacuum drying chamber, vacuum drying 10h at 80 DEG C of temperature, obtains celadon solid, by gained celadon solid abrasive, sieves, namely obtains Cu
2o/TiO
2composite optothermal catalyst.
Drip X, Z component in first backward Y component described in above-mentioned steps (2), wherein the rate of addition of component X is that 30-50 drips/min, and the rate of addition of Z component is that 10-20 drips/min.
Heat treatment crystallization forming described in above-mentioned steps (2) adopts program mode intensification calcination method: first temperature is increased to 100 DEG C-150 DEG C, temperature retention time 45min, then every 80 DEG C of temperature is a gradient cascade raising temperature, each gradient insulation 45min, until be raised to 500 DEG C-600 DEG C, be then incubated 3h.
Finally, by obtained Cu
2o/TiO
2composite optothermal catalyst has photo-thermal synergic catalytic effect in the reaction environment of ultraviolet excitation and more than 50 DEG C, and along with the rising of reaction environment temperature, strengthening photo-thermal synergic catalytic effect.
Embodiment 1Cu
2the Cu of O load capacity 20%
2o/TiO
2the preparation of composite optothermal catalyst
Process 1: nano-TiO
2the preparation of catalyst powder
At 35 DEG C of temperature, 10ml butyl titanate and 10ml absolute ethyl alcohol are placed in pear shape separatory funnel, fully mix, obtain butyl titanate component, be designated as component X; 2.1ml distilled water and 5ml lysis buffer are placed in pear shape separatory funnel, fully mix, obtain Z component; Get 20ml lysis buffer and be placed in beaker, and stir under beaker being placed in mechanical agitator, obtain lysis buffer system, be designated as Y component.Under Y component is placed in mechanical agitator, opens and stir, in Y component, drip component X and Z component simultaneously.The rate of addition of strictly control X, Z component during dropping, the rate of addition of component X is about 50/min, and the rate of addition of Z component is about 15/min, during dropping, mechanical agitation is carried out to butyl titanate hydrolyzation system, form colloidal sol, continue to stir, until formation gel, stop stirring.Gel rubber system is placed ageing 12h, be that 100 DEG C of conditions write oven dry 12h in temperature, form bright yellow solid particle, be placed in Muffle furnace heat treatment crystallization forming, in 500 DEG C after calcination 2h, cool, grind, cross 500 mesh standard sieves, namely obtain nano-TiO
2catalyst powder.
Process 2:Cu
2the Cu of O load capacity 20%
2o/TiO
2the preparation of composite optothermal catalyst
Preparation 1L concentration is the CuSO of 0.1mol/L
4solution, gets 100mL and joins in 250mL round-bottomed flask, accurately take nano-TiO prepared by 0.5g
2catalyst powder joins in round-bottomed flask, is placed in by round-bottomed flask on magnetic stirring apparatus, opens magnetic agitation 20min, ultrasonic disperse 20min after stirring; Again open magnetic agitation subsequently, dropwise add the NaOH solution of 1mol/L under magnetic stirring, adjust ph is 10, obtain suspending liquid A, the suspending liquid A obtained is placed in water-bath, heating water bath 40min at 90 DEG C, then dropwise adding 10ml concentration is 1mol/L hydrazine hydrate solution, until after bubble-free generation, continue constant temperature water bath and add thermal response 30min, obtain yellow suspension B.By the yellow suspension solution B centrifugation 15min under 7500rpm rotating speed obtained, by the centrifugation product absolute ethyl alcohol centrifuge washing that obtains 3 times.Finally precipitated product is placed in vacuum drying chamber, vacuum drying 10h at 80 DEG C, obtains celadon solid, by gained celadon solid abrasive, sieves, namely obtains Cu
2the Cu of O load capacity 20%
2o/TiO
2composite optothermal catalyst.
Embodiment 2Cu
2the Cu of O load capacity 40%
2o/TiO
2the preparation of composite optothermal catalyst
Process 1: with embodiment 1 process 1
Process 2:Cu
2the Cu of O load capacity 40%
2o/TiO
2the preparation of composite optothermal catalyst
Preparation 1L concentration is the CuSO of 0.5mol/L
4solution, gets 100mL and joins in 250mL round-bottomed flask, accurately take nano-TiO prepared by 1g
2catalyst powder joins in round-bottomed flask, is placed in by round-bottomed flask on magnetic stirring apparatus, opens magnetic agitation 30min, ultrasonic disperse 30min after stirring; Again open magnetic agitation subsequently, dropwise add the NaOH solution of 1mol/L under magnetic stirring, adjust ph is 10, obtain suspending liquid A, the suspending liquid A obtained is placed in water-bath, heating water bath 40min at 90 DEG C, then dropwise adding 10ml concentration is 1mol/L hydrazine hydrate solution, until after bubble-free generation, continue constant temperature water bath and add thermal response 30min, obtain yellow suspension B.By the yellow suspension solution B centrifugation 15min under 7500rpm rotating speed obtained, by the centrifugation product absolute ethyl alcohol centrifuge washing that obtains 3 times.Finally precipitated product is placed in vacuum drying chamber, vacuum drying 10h at 80 DEG C, obtains celadon solid, by gained celadon solid abrasive, sieves, namely obtains Cu
2the Cu of O load capacity 40%
2o/TiO
2composite optothermal catalyst.
Embodiment 3Cu
2the Cu of O load capacity 60%
2o/TiO
2the preparation of composite optothermal catalyst
Process 1: with embodiment 1 process 1
Process 2:Cu
2the Cu of O load capacity 60%
2o/TiO
2the preparation of composite optothermal catalyst
Preparation 1L concentration is the CuSO of 1mol/L
4solution, gets 100mL and joins in 250mL round-bottomed flask, accurately take nano-TiO prepared by 1g
2catalyst powder joins in round-bottomed flask, is placed in by round-bottomed flask on magnetic stirring apparatus, opens magnetic agitation 20min, ultrasonic disperse 20min after stirring; Again open magnetic agitation subsequently, dropwise add the NaOH solution of 1mol/L under magnetic stirring, adjust ph is 10, obtain suspending liquid A, the suspending liquid A obtained is placed in water-bath, heating water bath 40min at 90 DEG C, then dropwise adding 10ml concentration is 1mol/L hydrazine hydrate solution, until after bubble-free generation, continue constant temperature water bath and add thermal response 30min, obtain yellow suspension B.By the yellow suspension solution B centrifugation 15min under 7500rpm rotating speed obtained, by the centrifugation product absolute ethyl alcohol centrifuge washing that obtains 3 times.Finally precipitated product is placed in vacuum drying chamber, vacuum drying 10h at 80 DEG C, obtains celadon solid, by gained celadon solid abrasive, sieves, namely obtains Cu
2the Cu of O load capacity 60%
2o/TiO
2composite optothermal catalyst.
Embodiment 4Cu
2the Cu of O load capacity 80%
2o/TiO
2the preparation of composite optothermal catalyst
Process 1: with embodiment 1 process 1
Process 2:Cu
2the Cu of O load capacity 80%
2o/TiO
2the preparation of composite optothermal catalyst
Preparation 1L concentration is the CuSO of 2.5mol/L
4solution, gets 100mL and joins in 250mL round-bottomed flask, accurately take nano-TiO prepared by 2g
2catalyst powder joins in round-bottomed flask, is placed in by round-bottomed flask on magnetic stirring apparatus, opens magnetic agitation 20min, ultrasonic disperse 20min after stirring; Again open magnetic agitation subsequently, dropwise add the NaOH solution of 1mol/L under magnetic stirring, adjust ph is 10, obtain suspending liquid A, the suspending liquid A obtained is placed in water-bath, heating water bath 40min at 90 DEG C, then dropwise adding 10ml concentration is 1mol/L hydrazine hydrate solution, until after bubble-free generation, continue constant temperature water bath and add thermal response 30min, obtain yellow suspension B.By the yellow suspension solution B centrifugation 15min under 7500rpm rotating speed obtained, by the centrifugation product absolute ethyl alcohol centrifuge washing that obtains 3 times.Finally precipitated product is placed in vacuum drying chamber, vacuum drying 10h at 80 DEG C, obtains celadon solid, by gained celadon solid abrasive, sieves, namely obtains Cu
2the Cu of O load capacity 80%
2o/TiO
2composite optothermal catalyst.
Claims (4)
1. a Cu
2o/TiO
2the preparation method of composite optothermal catalyst, this comprises the following steps:
(1) preparation of butyl titanate lysis buffer
Be the concentrated hydrochloric acid of 36% ~ 38% by 8.52ml mass fraction, join and be equipped with in the 1000ml volumetric flask of anhydrous ethanol solvent, the ethanol solution hydrochloride of the 0.1mol/L be mixed with is as butyl titanate lysis buffer;
(2) nano-TiO
2the preparation of catalyst powder
Preparation feedback raw material of substance: butyl titanate, absolute ethyl alcohol, butyl titanate lysis buffer, distilled water;
At temperature is 15 DEG C-35 DEG C, butyl titanate and absolute ethyl alcohol are placed in pear shape separatory funnel, are fully mixed to get butyl titanate component, are designated as component X; Distilled water and lysis buffer are placed in pear shape separatory funnel mix, obtain distilled water component, be designated as Z component; Get 20ml-50ml butyl titanate lysis buffer and be placed in beaker, and stir under beaker being placed in mechanical agitator, obtain butyl titanate lysis buffer system, be designated as Y component; Component X and Z component are added drop-wise in Y component, obtain butyl titanate hydrolyzation system, realize nano-TiO by the hydrolysis-condensation reaction of butyl titanate
2the preparation of catalyst;
In Y component, drip component X and Z component simultaneously, during dropping, mechanical agitation is carried out to butyl titanate hydrolyzation system, continue to stir after forming colloidal sol, until form gel rubber system, stop stirring, described gel rubber system is placed ageing 12h-24h, is dry 12h-24h in 100 DEG C-120 DEG C in temperature, forms bright yellow solid particle, be placed in Muffle furnace heat treatment crystallization forming, in 400 DEG C-700 DEG C after calcination 2h-5h, cool, grind, cross 500 mesh standard sieves, namely obtain nano-TiO
2catalyst powder;
(3) Cu
2o/TiO
2the preparation of composite optothermal catalyst
Preparation 1L concentration is the CuSO of 0.1mol/L-3mol/L
4solution, gets 100mL and joins in 250mL round-bottomed flask, accurately take nano-TiO prepared by 0.5g-2g
2catalyst powder joins in round-bottomed flask, is placed in by round-bottomed flask on magnetic stirring apparatus, opens magnetic agitation 10-30min, ultrasonic disperse 15 ~ 20min after stirring, again open magnetic agitation subsequently, drip the NaOH solution of 1mol/L under magnetic stirring, adjust ph is 10, obtain suspending liquid A, the suspending liquid A obtained is placed in water-bath, heating water bath 20min-40min at temperature is 70 DEG C-90 DEG C, then dripping 7-10ml concentration is that copper ion is reduced into cuprous ion as reducing agent by 1mol/L hydrazine hydrate solution, until after bubble-free generation, continue constant temperature water bath and add thermal response 30min, obtain yellow suspension B, by the yellow suspension solution B centrifugation 15min under 7500rpm rotating speed obtained, by the centrifugation product absolute ethyl alcohol centrifuge washing that obtains 3-5 time, finally precipitated product is placed in vacuum drying chamber, vacuum drying 10h at 80 DEG C of temperature, obtains celadon solid, by gained celadon solid abrasive, sieves, namely obtains Cu
2o/TiO
2composite optothermal catalyst.
2. preparation method according to claim 1, is characterized in that: drip X, Z component in first backward Y component described in step (2), wherein the rate of addition of component X is that 30-50 drips/min, and the rate of addition of Z component is that 10-20 drips/min.
3. preparation method according to claim 1, it is characterized in that: heat treatment crystallization forming described in step (2) adopts program mode intensification calcination method: first temperature is increased to 100 DEG C-150 DEG C, temperature retention time 45min, then every 80 DEG C of temperature is a gradient cascade raising temperature, each gradient insulation 45min, until be raised to 500 DEG C-600 DEG C, be then incubated 3h.
4. preparation method according to claim 1, is characterized in that: by obtained Cu
2o/TiO
2composite optothermal catalyst has photo-thermal synergic catalytic effect in the reaction environment of ultraviolet excitation and more than 50 DEG C, and along with the rising of reaction environment temperature, strengthening photo-thermal synergic catalytic effect.
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Cited By (4)
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WO2018119543A1 (en) * | 2016-12-29 | 2018-07-05 | Pontificia Universidad Catolica De Chile | Method for producing a cu2o/tio2 nanoparticle catalyst, and cu2o/tio2 nanoparticle catalyst |
CN108927157A (en) * | 2018-06-27 | 2018-12-04 | 重庆市畜牧科学院 | Cu2O/{001}TiO2The preparation method of composite catalyst and its application to ammonia dynamic purification |
CN112499673A (en) * | 2020-12-04 | 2021-03-16 | 中国地质大学(武汉) | Co-modified TiO with phosphorus-containing silicon self-assembled layer and metal oxide2Method for preparing nanotubes |
CN113522014A (en) * | 2020-04-21 | 2021-10-22 | 中国科学院广州能源研究所 | Method for rapidly treating high-concentration organic gas by photocatalytic coupling catalytic combustion |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018119543A1 (en) * | 2016-12-29 | 2018-07-05 | Pontificia Universidad Catolica De Chile | Method for producing a cu2o/tio2 nanoparticle catalyst, and cu2o/tio2 nanoparticle catalyst |
CN108927157A (en) * | 2018-06-27 | 2018-12-04 | 重庆市畜牧科学院 | Cu2O/{001}TiO2The preparation method of composite catalyst and its application to ammonia dynamic purification |
CN113522014A (en) * | 2020-04-21 | 2021-10-22 | 中国科学院广州能源研究所 | Method for rapidly treating high-concentration organic gas by photocatalytic coupling catalytic combustion |
CN112499673A (en) * | 2020-12-04 | 2021-03-16 | 中国地质大学(武汉) | Co-modified TiO with phosphorus-containing silicon self-assembled layer and metal oxide2Method for preparing nanotubes |
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