CN104588061A - Preparation method of composite titanium dioxide photocatalyst activated carbon based on g-carbon nitride - Google Patents
Preparation method of composite titanium dioxide photocatalyst activated carbon based on g-carbon nitride Download PDFInfo
- Publication number
- CN104588061A CN104588061A CN201410810678.6A CN201410810678A CN104588061A CN 104588061 A CN104588061 A CN 104588061A CN 201410810678 A CN201410810678 A CN 201410810678A CN 104588061 A CN104588061 A CN 104588061A
- Authority
- CN
- China
- Prior art keywords
- titanium dioxide
- preparation
- carbonitride
- emulsion
- solution
- 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.)
- Granted
Links
Landscapes
- Catalysts (AREA)
Abstract
The invention discloses a preparation method of composite titanium dioxide photocatalyst activated carbon based on g-carbon nitride. The preparation method comprises the following steps: (a) adding g-carbon nitride particles to the solution of a titanate and an alcohol, and stirring evenly to obtain a mixed solution; (b) putting the mixed solution into a high-pressure kettle for reacting, and then naturally cooling until a room temperature and collecting a reaction production, thereby obtaining g-carbon nitride particle supported titanium dioxide particles; (c) dispersing the composite titanium dioxide particles in deionized water and preparing an emulsion, and then soaking coconut shell activated carbon in the emulsion, and shaking and drying to obtain the titanium dioxide photocatalyst activated carbon having a visible light response characteristic. According to the preparation method, the prepared titanium dioxide particles have the visible light response characteristic and the mean particle size of 5-7 nanometers; besides, the activity of the particles is improved remarkably, and the particles are capable of adsorbing pollutants more efficiently and thoroughly; meanwhile, the preparation method has the characteristics of convenient operation and control, low production cost and the like.
Description
Technical field
The invention belongs to technical field of nanometer material preparation, more specifically, relate to a kind of preparation method of the photocatalyst of titanium dioxide active carbon based on g-carbonitride compound.
Background technology
Active carbon, due to the loose structure on its surface, can adsorb a large amount of organic matters, thus be widely used in air purification field.But traditional charcoal absorption amount is limited, along with the increase adsorption efficiency of adsorption time will decline, absorption once active carbon reaches capacity just to be needed change active carbon or carry out desorption process to active carbon, so not only affect the adsorption effect of active carbon to pernicious gas, and too high replacement frequency improves use cost, have impact on industrial production.More seriously, polluter constantly adsorbs on the activated carbon, enrichment, and along with the growth of time, Properties of Activated Carbon declines, and pollutant discharges again by with higher concentration, produces more serious pollution.
In order to improve the self-purification capacity of active carbon, propose in prior art by titanium dioxide attachment on the activated carbon, to be realized the scheme of its auto purification performance by UV-irradiation.Such as, in CN200510035311.2, propose the method adopting sol-gel process to prepare the NACF containing nano titanium dioxide particles, wherein first the presoma organic titanic compound of titanium dioxide is generated TiO through hydrolysis
2colloidal sol is also deposited on NACF, and drying sol becomes gel and again heat treatment is converted into nano-TiO
2particulate is compounded in the surface of NACF; In addition, in CN201110341090.7, disclose a kind of preparation method of acticarbon of carried titanium dioxide, wherein first prepare the TiCl of different molar concentration
3-HCl solution, and transferred in reactor, then add the active carbon after process and perform hydrothermal treatment consists, thus the adsorbent of obtained absorbent charcoal loading titanium dioxide.
But further research shows, the activity of the active carbon of above-mentioned composite titanium dioxide is often on the low side, the existence of its manufacturing process is difficult to the defect such as manipulation, production cost height; Especially, its TiO
2the light action scope of particulate is only limitted to ultraviolet light, and cannot expand to visible ray.Correspondingly, how to TiO
2carry out modification, its light action scope is expanded, its concrete preparation technology and product quality are improved simultaneously, just become the technical problem place that this area needs solution badly.
Summary of the invention
For above defect or the Improvement requirement of prior art, the invention provides a kind of preparation method of the photocatalyst of titanium dioxide active carbon based on g-carbonitride compound, wherein by improving the particular type of its key reaction partner and response parameter thereof, particularly the key structural parameters of reaction partner self is designed, corresponding obtaining has visible light-responded characteristic, average grain diameter is the titanium dioxide granule of 5 ~ 7 nanometers, and its active acquisition is significantly improved, adsorption fouling thing is more efficient thoroughly, possess simultaneously and be convenient to manipulation, the features such as production cost is low, thus be particularly useful for large batch of industrially scalable and manufacture occasion.
For achieving the above object, according to the present invention, provide a kind of preparation method of the photocatalyst of titanium dioxide active carbon based on g-carbonitride compound, it is characterized in that, the method comprises the following steps:
(a) using titanate esters as solute, alcohol is configured solution as solvent, then in this solution, add the ratio of 0.3 gram ~ 0.5 gram of g-carbonitride to add g-carbonitride particle according to every 100ml solution at ambient temperature, after stirring, obtain mixed solution;
B mixed solution that step (a) obtains by () is placed in autoclave, and reacts 2 hours ~ 4 hours under the condition of the constant temperature of 180 DEG C ~ 240 DEG C; Then reactor is allowed to naturally cool to room temperature, centrifugal process or filter type is adopted to carry out collecting reaction product, with ethanol, product is cleaned, then under the condition of 50 DEG C ~ 60 DEG C dry 0.5 hour ~ 1 hour, obtained load had g-carbonitride particle and average grain diameter is the titanium dioxide granule of 5 nanometer ~ 7 nanometers thus;
C () above-mentioned load is had the titanium dioxide granule of g-carbonitride to disperse in deionized water and configuration obtains mass percent is the emulsion of 1g/L ~ 10g/L, then will clean up and specific area is set as 1400m
2/ g ~ 1700m
2the cocoanut active charcoal of/g is immersed in this emulsion, and use shaking table to sway 5 minutes ~ 30 minutes, make load have the titanium dioxide granule of g-carbonitride to be evenly attached to the surface of cocoanut active charcoal, dry and namely obtain the photocatalyst of titanium dioxide activated carbon product possessing visible light-responded characteristic.
As further preferably, in step (a), described titanate esters is selected from any one or combination in tetraethyl titanate, tetraisopropyl titanate and butyl titanate; Described alcohol be selected from following material any one: ethanol, normal propyl alcohol, isopropyl alcohol, n-butanol, isobutanol, n-heptanol, EGME, ethylene glycol ethyl ether and propylene glycol monomethyl ether.
As further preferably, as one of key process parameter, in step (a), the adding proportion of described g-carbonitride particle is set to further: every 100ml solution adds the g-carbonitride of 0.4 gram.
As further preferably, in step (b), described mixed solution is placed in autoclave, and reacts 2 hours ~ 4 hours under the constant temperature of 200 DEG C ~ 220 DEG C.
As further preferably, as one of key process parameter, in step (c), described load has the titanium dioxide granule dispersion of g-carbonitride in deionized water, and is configured to the emulsion that mass percent is 2g/L ~ 5g/L.
As further preferably, as another key process parameter, in step (c), described active carbon is selected as cocoanut active charcoal, and its specific area is set to 1500m further
2/ g.
In general, the above technical scheme conceived by the present invention compared with prior art, by improving the particular type of its key reaction partner and key reaction parameter thereof, can so that g-carbonitride uniform load on the titanium dioxide surface of photocatalyst and average grain diameter is controlled as 5 ~ 7 nanometers, be convenient to this composite photo catalyst is overlying on the response characteristic that activated carbon surface obtains visible light wave range 400nm ~ 700nm by manipulation, large-duty mode simultaneously; Especially, by selecting the ad hoc structure parameter of active carbon and the charge ratio between itself and emulsion, the combination between above-mentioned composite photo catalyst and homogeneous reaction can be improved further, test shows that obtained product significantly can promote capturing ability, and adsorption fouling thing is more efficient, thorough.
Accompanying drawing explanation
Fig. 1 is the preparation technology's flow chart according to photocatalyst of titanium dioxide active carbon of the present invention;
Fig. 2 tests obtained projection Electronic Speculum figure to test sample;
Fig. 3 tests obtained XRD figure to test sample;
Fig. 4 is simple titanium dioxide granule and g-carbonitride composite titanium dioxide nano particle effectiveness comparison figure when being respectively used to degradation of phenol;
Fig. 5 is under LED is irradiated, and only the active carbon of carried titanium dioxide and the photocatalyst of titanium dioxide active carbon of employing g-carbonitride compound are respectively used to effectiveness comparison figure when processing formaldehyde.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.In addition, if below in described each embodiment of the present invention involved technical characteristic do not form conflict each other and just can mutually combine.
Embodiment 1:
Using butyl titanate as solute dissolves in ethanol, stir under room temperature condition, reactant liquor is transferred in the Teflon reaction bulb of 100 milliliters, the mode of then adding the g-carbonitride particle of 0.3g according to every 100ml solution adds, and obtain mixed solution after stirring, this g-carbonitride particle for example can by thermal polycondensation process, by incompatible for melamine pyrocondensation obtained, and its average grain diameter is preferably 5 ran;
Then, Teflon reaction bulb is put into stainless steel outer sleeve, after tightening stainless steel lid, is positioned in heating cabinet, arranging heating-up temperature is 210 DEG C, reaction time is 210 minutes, after reaction terminates, allows reactor naturally cool to room temperature, product adopts centrifugal separation method to collect, and washing three times with ethanol, the powder obtained in the baking oven of 60 degree dry 30 minutes, obtains titania nanoparticles;
Then, the load of preparation there is the titania nanoparticles of g-carbonitride particle again to disperse in deionized water, and be made into the emulsion that mass percent is 3g/L, then will to clean up and specific area is set as 1500m
2the cocoanut active charcoal of/g is immersed in this emulsion, sways taking-up in 30 minutes with shaking table, dries and obtains photocatalyst activity charcoal.
Embodiment 2
Using butyl titanate as solute dissolves in ethanol, stir under room temperature condition, reactant liquor is transferred in the Teflon reaction bulb of 100 milliliters, the mode of then adding the g-carbonitride particle of 0.35g according to every 100ml solution adds, and obtain mixed solution after stirring, this g-carbonitride particle for example can by thermal polycondensation process, by incompatible for melamine pyrocondensation obtained, and its average grain diameter is preferably 5 ran;
Then, Teflon reaction bulb is put into stainless steel outer sleeve, after tightening stainless steel lid, is positioned in heating cabinet, arranging heating-up temperature is 180 DEG C, reaction time is 240 minutes, after reaction terminates, allows reactor naturally cool to room temperature, product adopts centrifugal separation method to collect, and washing three times with ethanol, the powder obtained in the baking oven of 55 degree dry 60 minutes, obtains titania nanoparticles;
Then, the load of preparation there is the titania nanoparticles of g-carbonitride particle again to disperse in deionized water, and be made into the emulsion that mass percent is 1g/L, then will to clean up and specific area is set as 1700m
2the cocoanut active charcoal of/g is immersed in this emulsion, sways taking-up in 30 minutes with shaking table, dries and obtains photocatalyst activity charcoal.
Embodiment 3
Using butyl titanate as solute dissolves in ethanol, stir under room temperature condition, reactant liquor is transferred in the Teflon reaction bulb of 100 milliliters, the mode of then adding the g-carbonitride particle of 0.4g according to every 100ml solution adds, and obtain mixed solution after stirring, this g-carbonitride particle for example can by thermal polycondensation process, by incompatible for melamine pyrocondensation obtained, and its average grain diameter is preferably 6 ran;
Then, Teflon reaction bulb is put into stainless steel outer sleeve, after tightening stainless steel lid, is positioned in heating cabinet, arranging heating-up temperature is 240 DEG C, reaction time is 120 minutes, after reaction terminates, allows reactor naturally cool to room temperature, product adopts centrifugal separation method to collect, and washing three times with ethanol, the powder obtained in the baking oven of 55 degree dry 60 minutes, obtains titania nanoparticles;
Then, the load of preparation there is the titania nanoparticles of g-carbonitride particle again to disperse in deionized water, and be made into the emulsion that mass percent is 4.5g/L, then will to clean up and specific area is set as 1400m
2the cocoanut active charcoal of/g is immersed in this emulsion, sways taking-up in 30 minutes with shaking table, dries and obtains photocatalyst activity charcoal.
Embodiment 4
Using butyl titanate as solute dissolves in ethanol, stir under room temperature condition, reactant liquor is transferred in the Teflon reaction bulb of 100 milliliters, the mode of then adding the g-carbonitride particle of 0.5g according to every 100ml solution adds, and obtain mixed solution after stirring, this g-carbonitride particle for example can by thermal polycondensation process, by incompatible for melamine pyrocondensation obtained, and its average grain diameter is preferably 7 ran;
Then, Teflon reaction bulb is put into stainless steel outer sleeve, after tightening stainless steel lid, is positioned in heating cabinet, arranging heating-up temperature is 200 DEG C, reaction time is 210 minutes, after reaction terminates, allows reactor naturally cool to room temperature, product adopts centrifugal separation method to collect, and washing three times with ethanol, the powder obtained in the baking oven of 60 degree dry 30 minutes, obtains titania nanoparticles;
Then, the load of preparation there is the titania nanoparticles of g-carbonitride particle again to disperse in deionized water, and be made into the emulsion that mass percent is 5g/L, then will to clean up and specific area is set as 1650m
2the cocoanut active charcoal of/g is immersed in this emulsion, sways taking-up in 30 minutes with shaking table, dries and obtains photocatalyst activity charcoal.
Embodiment 5
Using butyl titanate as solute dissolves in ethanol, stir under room temperature condition, reactant liquor is transferred in the Teflon reaction bulb of 100 milliliters, the mode of then adding the g-carbonitride particle of 0.4g according to every 100ml solution adds, and obtain mixed solution after stirring, this g-carbonitride particle for example can by thermal polycondensation process, by incompatible for melamine pyrocondensation obtained, and its average grain diameter is preferably 6 ran;
Then, Teflon reaction bulb is put into stainless steel outer sleeve, after tightening stainless steel lid, is positioned in heating cabinet, arranging heating-up temperature is 220 DEG C, reaction time is 180 minutes, after reaction terminates, allows reactor naturally cool to room temperature, product adopts centrifugal separation method to collect, and washing three times with ethanol, the powder obtained in the baking oven of 55 degree dry 45 minutes, obtains titania nanoparticles;
Then, the load of preparation there is the titania nanoparticles of g-carbonitride particle again to disperse in deionized water, and be made into the emulsion that mass percent is 4.5g/L, then will to clean up and specific area is set as 1700m
2the cocoanut active charcoal of/g is immersed in this emulsion, sways taking-up in 30 minutes with shaking table, dries and obtains photocatalyst activity charcoal.
Embodiment 6
Using butyl titanate as solute dissolves in ethanol, stir under room temperature condition, reactant liquor is transferred in the Teflon reaction bulb of 100 milliliters, the mode of then adding the g-carbonitride particle of 0.4g according to every 100ml solution adds, and obtain mixed solution after stirring, this g-carbonitride particle for example can by thermal polycondensation process, by incompatible for melamine pyrocondensation obtained, and its average grain diameter is preferably 5 ran;
Then, Teflon reaction bulb is put into stainless steel outer sleeve, after tightening stainless steel lid, is positioned in heating cabinet, arranging heating-up temperature is 240 DEG C, reaction time is 120 minutes, after reaction terminates, allows reactor naturally cool to room temperature, product adopts centrifugal separation method to collect, and washing three times with ethanol, the powder obtained in the baking oven of 50 degree dry 60 minutes, obtains titania nanoparticles;
Then, the load of preparation there is the titania nanoparticles of g-carbonitride particle again to disperse in deionized water, and be made into the emulsion that mass percent is 10g/L, then will to clean up and specific area is set as 1400m
2the cocoanut active charcoal of/g is immersed in this emulsion, sways taking-up in 30 minutes with shaking table, dries and obtains photocatalyst activity charcoal.
Embodiment 7
Using butyl titanate as solute dissolves in ethanol, stir under room temperature condition, reactant liquor is transferred in the Teflon reaction bulb of 100 milliliters, the mode of then adding the g-carbonitride particle of 0.35g according to every 100ml solution adds, and obtain mixed solution after stirring, this g-carbonitride particle for example can by thermal polycondensation process, by incompatible for melamine pyrocondensation obtained, and its average grain diameter is preferably 7 ran;
Then, Teflon reaction bulb is put into stainless steel outer sleeve, after tightening stainless steel lid, is positioned in heating cabinet, arranging heating-up temperature is 220 DEG C, reaction time is 180 minutes, after reaction terminates, allows reactor naturally cool to room temperature, product adopts centrifugal separation method to collect, and washing three times with ethanol, the powder obtained in the baking oven of 55 degree dry 45 minutes, obtains titania nanoparticles;
Then, the load of preparation there is the titania nanoparticles of g-carbonitride particle again to disperse in deionized water, and be made into the emulsion that mass percent is 3.5g/L, then will to clean up and specific area is set as 1600m
2the cocoanut active charcoal of/g is immersed in this emulsion, sways taking-up in 30 minutes with shaking table, dries and obtains photocatalyst activity charcoal.
Embodiment 8
Using butyl titanate as solute dissolves in ethanol, stir under room temperature condition, reactant liquor is transferred in the Teflon reaction bulb of 100 milliliters, the mode of then adding the g-carbonitride particle of 0.3g according to every 100ml solution adds, and obtain mixed solution after stirring, this g-carbonitride particle for example can by thermal polycondensation process, by incompatible for melamine pyrocondensation obtained, and its average grain diameter is preferably 5 ran;
Then, Teflon reaction bulb is put into stainless steel outer sleeve, after tightening stainless steel lid, is positioned in heating cabinet, arranging heating-up temperature is 200 DEG C, reaction time is 240 minutes, after reaction terminates, allows reactor naturally cool to room temperature, product adopts centrifugal separation method to collect, and washing three times with ethanol, the powder obtained in the baking oven of 55 degree dry 45 minutes, obtains titania nanoparticles;
Then, the load of preparation there is the titania nanoparticles of g-carbonitride particle again to disperse in deionized water, and be made into the emulsion that mass percent is 7.5g/L, then will to clean up and specific area is set as 1500m
2the cocoanut active charcoal of/g is immersed in this emulsion, sways taking-up in 30 minutes with shaking table, dries and obtains photocatalyst activity charcoal.
Visible by above embodiment, by improving the particular type of its key reaction partner and response parameter thereof in the present invention, can so that manipulation, large-duty mode using g-carbonitride uniform load as on the titanium dioxide surface of photocatalyst, and successfully obtained possess visible light wave range 400nm ~ 700nm response characteristic and average grain diameter is controlled as the composite titanium dioxide nano particle of 5 ~ 7 nanometers; In addition, this composite photo catalyst is evenly overlying on activated carbon surface, and by the specific area of for example cocoanut active charcoal and and emulsion between the key parameter such as charge ratio set, significantly can promote capturing ability, adsorption fouling thing is more thoroughly efficient, especially to organic gas, there is stronger suction-operated, first organic gas in air is caught by active carbon, photocatalyst can by organic substance decomposing under natural daylight, achieve the regeneration of active carbon, extend the service life of active carbon greatly; Finally, compared with traditional semiconductors coupling, the present invention has selected a kind of non-metal semiconductive g-C
3n
4material, overcomes the heavy metal pollution caused by traditional metal semiconductor, and this technique is simple simultaneously, is convenient to manipulation, saves raw material and equipment simultaneously, is thus particularly useful for large batch of industrialization and manufactures purposes.
Test, to Ti for the sample obtained by embodiment 1 below
3+the TiO codoping modified with N
2nano-tube array carries out interpretation of result:
See Fig. 2 and Fig. 3, from the known prepared TiO of SEM figure
2the size of nano particle is comparatively even, and particle diameter is at 5 ran; From XRD figure and fourier infrared figure, g-C
3n
4the TiO of compound
2nano-tube array is at 1200 ~ 1600cm-1 (1246,1321,1404,1456,1561 and 1629cm
-1) there is multiple peak at place, this is mainly because be compounded in TiO
2g-C on nanotube
3n
4on CN vibrations caused by, this shows nano-TiO
2in containing g-C
3n
4.In addition, known 2 θ of XRD collection of illustrative plates are the peak of 25.2 ° is the characteristic peak of anatase, and when 2 θ are 27.56 ° without the absworption peak of rutile, the TiO adopting hydro-thermal to send out preparation is described
2nano particle is the anatase that catalytic performance is stronger.
There is the activity of the active carbon of g-carbonitride/titania nanoparticles to test below to g-carbonitride/titania nanoparticles and load.
Photocatalyst particle sample obtained in Example 2 joins 100mL containing in 10mg/L phenol solution, take xenon lamp as the light source (wavelength is greater than 420nm) of light-catalyzed reaction, its degradation curve as shown in Figure 4, after 90 minutes, the degradation rate of phenol is 100%, and its activity is obviously better than the titania nanoparticles do not mixed.
As shown in Figure 5, the concentration of formaldehyde gas is about 0.65mg/m
3, be national regulation indoor formaldehyde gas standard (0.08mg/m
3) 8 times, once test and do 5 days continuously.Fig. 5 compares the treatment effeciency according to the active carbon of photocatalyst activity charcoal of the present invention and existing carried titanium dioxide PARA FORMALDEHYDE PRILLS(91,95) respectively under LED is irradiated.Test shows, the formaldehyde clearance through modified photocatalyst activity charcoal all fluctuates more than 90%, and the concentration after process is lower than 0.065mg/m
3, lower than national standard.Active carbon is comparatively obvious in the first two day effect of process, and the solubility after process is lower than 0.08mg/m
3, and from the 3rd day, treatment effeciency increase in time and reduce, process after concentration higher than GB.In addition, related experiment proves that this Novel photocatalyst active carbon of the present invention photocatalysis performance is the strongest, and next is respectively titanium dioxide active carbon and g-carbonitride active carbon.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1., based on a preparation method for the photocatalyst of titanium dioxide active carbon of g-carbonitride compound, it is characterized in that, the method comprises the following steps:
(a) using titanate esters as solute, alcohol is configured solution as solvent, then in this solution, add the ratio of 0.3 gram ~ 0.5 gram of g-carbonitride to add g-carbonitride particle according to every 100ml solution at ambient temperature, after stirring, obtain mixed solution;
B mixed solution that step (a) obtains by () is placed in autoclave, and reacts 2 hours ~ 4 hours under the condition of the constant temperature of 180 DEG C ~ 240 DEG C; Then reactor is allowed to naturally cool to room temperature, centrifugal process or filter type is adopted to carry out collecting reaction product, with ethanol, product is cleaned, then under the condition of 50 DEG C ~ 60 DEG C dry 0.5 hour ~ 1 hour, obtained load had g-carbonitride particle and average grain diameter is the titanium dioxide granule of 5 nanometer ~ 7 nanometers thus;
C () above-mentioned load is had the titanium dioxide granule of g-carbonitride to disperse in deionized water and configuration obtains mass percent is the emulsion of 1g/L ~ 10g/L, then will clean up and specific area is set as 1400m
2/ g ~ 1700m
2the cocoanut active charcoal of/g is immersed in this emulsion, and use shaking table to sway 5 minutes ~ 30 minutes, make load have the titanium dioxide granule of g-carbonitride to be evenly attached to the surface of cocoanut active charcoal, dry and namely obtain the photocatalyst of titanium dioxide activated carbon product possessing visible light-responded characteristic.
2. preparation method as claimed in claim 1, is characterized in that, in step (a), described titanate esters is selected from any one or combination in tetraethyl titanate, tetraisopropyl titanate and butyl titanate; Described alcohol be selected from following material any one: ethanol, normal propyl alcohol, isopropyl alcohol, n-butanol, isobutanol, n-heptanol, EGME, ethylene glycol ethyl ether and propylene glycol monomethyl ether.
3. as right will go the preparation method as described in 1 or 2, it is characterized in that, in step (a), the adding proportion of described g-carbonitride particle is set to further: every 100ml solution adds the g-carbonitride of 0.4 gram.
4. the preparation method as described in claim 1-3 any one, is characterized in that, in step (b), described mixed solution is placed in autoclave, and reacts 2 hours ~ 4 hours under the constant temperature of 200 DEG C ~ 220 DEG C.
5. the preparation method as described in as described in claim 1-4 any one, it is characterized in that, in step (c), described load has the titanium dioxide granule dispersion of g-carbonitride in deionized water, and is configured to the emulsion that mass percent is 2g/L ~ 5g/L.
6. preparation method as claimed in claim 5, it is characterized in that, in step (c), described active carbon is selected as cocoanut active charcoal, and its specific area is set to 1500m further
2/ g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410810678.6A CN104588061B (en) | 2014-12-23 | 2014-12-23 | Preparation method based on the photocatalyst of titanium dioxide activated carbon that g-carbonitride is combined |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410810678.6A CN104588061B (en) | 2014-12-23 | 2014-12-23 | Preparation method based on the photocatalyst of titanium dioxide activated carbon that g-carbonitride is combined |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104588061A true CN104588061A (en) | 2015-05-06 |
| CN104588061B CN104588061B (en) | 2016-08-31 |
Family
ID=53114316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410810678.6A Active CN104588061B (en) | 2014-12-23 | 2014-12-23 | Preparation method based on the photocatalyst of titanium dioxide activated carbon that g-carbonitride is combined |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104588061B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104830227A (en) * | 2015-05-13 | 2015-08-12 | 南京倍立达新材料系统工程股份有限公司 | Supported composite photocatalytic coating and preparation method thereof |
| CN105810442A (en) * | 2016-03-16 | 2016-07-27 | 长春工业大学 | Fabrication method of g-C3N4 reinforced solar cell |
| CN105903486A (en) * | 2016-05-12 | 2016-08-31 | 深圳市尤佳环境科技有限公司 | Z-type photocatalyst and preparation method thereof |
| CN108246337A (en) * | 2018-02-05 | 2018-07-06 | 中南林业科技大学 | It is a kind of for photocatalysis bead of mining area waste water reparation and preparation method thereof |
| CN109626422A (en) * | 2018-12-11 | 2019-04-16 | 辽宁大学 | A kind of TiO2/g-C3N4The preparation method and applications of light anode nanocomposite |
| CN109647480A (en) * | 2019-01-03 | 2019-04-19 | 江苏理工学院 | A kind of g-C3N4-TiO2The preparation method of/AC catalysis material |
| CN109809530A (en) * | 2019-02-18 | 2019-05-28 | 江苏理工学院 | A kind of mosaic electrode and preparation method thereof and three-dimensional electrolysis reactor and its application |
| CN110330876A (en) * | 2019-07-04 | 2019-10-15 | 苏州市朴力冭材料科技有限公司 | A kind of solvent-free macromolecule anti-static conductive coating and preparation method thereof for plastic sheet |
| CN111250134A (en) * | 2020-02-14 | 2020-06-09 | 郑州普利飞尔环保科技有限公司 | Modified TiO2Composite g-C3N4Visible light photocatalytic antibacterial ceramic and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101053845A (en) * | 2006-04-10 | 2007-10-17 | 上海市七宝中学 | Sol-gel method preparing active carbon-titanium dioxide composite photocatalyst method and application of the said photocatalyst |
| KR20110082749A (en) * | 2010-01-12 | 2011-07-20 | 한밭대학교 산학협력단 | Active carbon and manufacturing method thereof, and filter with the same |
| CN102441372A (en) * | 2011-10-26 | 2012-05-09 | 沈阳建筑大学 | Method for increasing photo-catalytic property of nano titanium dioxide |
| CN104209136A (en) * | 2014-09-15 | 2014-12-17 | 浙江大学 | Preparation method of TiO2/porous g-C3N4 composite material |
-
2014
- 2014-12-23 CN CN201410810678.6A patent/CN104588061B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101053845A (en) * | 2006-04-10 | 2007-10-17 | 上海市七宝中学 | Sol-gel method preparing active carbon-titanium dioxide composite photocatalyst method and application of the said photocatalyst |
| KR20110082749A (en) * | 2010-01-12 | 2011-07-20 | 한밭대학교 산학협력단 | Active carbon and manufacturing method thereof, and filter with the same |
| CN102441372A (en) * | 2011-10-26 | 2012-05-09 | 沈阳建筑大学 | Method for increasing photo-catalytic property of nano titanium dioxide |
| CN104209136A (en) * | 2014-09-15 | 2014-12-17 | 浙江大学 | Preparation method of TiO2/porous g-C3N4 composite material |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104830227A (en) * | 2015-05-13 | 2015-08-12 | 南京倍立达新材料系统工程股份有限公司 | Supported composite photocatalytic coating and preparation method thereof |
| CN105810442A (en) * | 2016-03-16 | 2016-07-27 | 长春工业大学 | Fabrication method of g-C3N4 reinforced solar cell |
| CN105810442B (en) * | 2016-03-16 | 2018-02-27 | 长春工业大学 | A kind of manufacture method of the enhanced solar cells of g C3N4 |
| CN105903486A (en) * | 2016-05-12 | 2016-08-31 | 深圳市尤佳环境科技有限公司 | Z-type photocatalyst and preparation method thereof |
| CN105903486B (en) * | 2016-05-12 | 2019-01-01 | 深圳市尤佳环境科技有限公司 | A kind of Z-type photochemical catalyst and preparation method thereof |
| CN108246337A (en) * | 2018-02-05 | 2018-07-06 | 中南林业科技大学 | It is a kind of for photocatalysis bead of mining area waste water reparation and preparation method thereof |
| CN108246337B (en) * | 2018-02-05 | 2021-04-09 | 中南林业科技大学 | Photocatalytic pellet for mining area wastewater remediation and preparation method thereof |
| CN109626422A (en) * | 2018-12-11 | 2019-04-16 | 辽宁大学 | A kind of TiO2/g-C3N4The preparation method and applications of light anode nanocomposite |
| CN109647480A (en) * | 2019-01-03 | 2019-04-19 | 江苏理工学院 | A kind of g-C3N4-TiO2The preparation method of/AC catalysis material |
| CN109809530A (en) * | 2019-02-18 | 2019-05-28 | 江苏理工学院 | A kind of mosaic electrode and preparation method thereof and three-dimensional electrolysis reactor and its application |
| CN110330876A (en) * | 2019-07-04 | 2019-10-15 | 苏州市朴力冭材料科技有限公司 | A kind of solvent-free macromolecule anti-static conductive coating and preparation method thereof for plastic sheet |
| CN111250134A (en) * | 2020-02-14 | 2020-06-09 | 郑州普利飞尔环保科技有限公司 | Modified TiO2Composite g-C3N4Visible light photocatalytic antibacterial ceramic and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104588061B (en) | 2016-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104588061A (en) | Preparation method of composite titanium dioxide photocatalyst activated carbon based on g-carbon nitride | |
| CN109603880B (en) | Hollow tubular carbon nitride photocatalyst and preparation method and application thereof | |
| CN103084160B (en) | TiO2 carbon nano tube air purifier material doped with ZnO, and preparation method and use thereof | |
| CN105797700A (en) | Preparation method of coconut shell activated carbon supported TiO2 photocatalyst | |
| Li et al. | Construction of CeO 2/TiO 2 heterojunctions immobilized on activated carbon fiber and its synergetic effect between adsorption and photodegradation for toluene removal | |
| CN111298842A (en) | Magnetic metal organic framework composite material and preparation method and application thereof | |
| CN106268908A (en) | A kind of graphite-phase C removing removal organic polluter3n4doping TiO2float type ecological restoration material of load expanded perlite and preparation method thereof | |
| CN102698727B (en) | Method for preparing supported TiO2 photocatalyst with high thermal stability | |
| CN103041796A (en) | TiO2 photocatalyst and preparation method thereof | |
| CN106693943A (en) | Mesoporous activated carbon/titanium dioxide photocatalyst for degrading colored sewage and preparation method and application thereof | |
| CN108620109B (en) | Preparation method and application of cerium vanadate/modified attapulgite up-conversion heterojunction photocatalyst | |
| CN1162211C (en) | Photocatalytic air-purifying net in multilayer structure and is making process | |
| CN113926443A (en) | Multi-element composite material for visible light catalytic aldehyde removal, preparation method and air purifier | |
| CN114570348B (en) | Titanium dioxide-based nano composite photocatalyst for photocatalytic degradation by irradiation of visible light and application thereof | |
| CN110841589A (en) | Adsorbent with photocatalytic activity and preparation method and application thereof | |
| CN1269565C (en) | SiO2/TiO2 composite nanometer photocatalysis membrane for treating indoor light pollution air and preparing method thereof | |
| JP2004122056A (en) | Porous titanium oxide and production method of the same | |
| CN106423123A (en) | Titanium dioxide and silicon oxide nanometer fiber composite photo catalytic material and preparation method thereof | |
| Liao et al. | Constructing MXene-derived Z-Scheme g-C3N4/Ti3C2TX/Ag3PO4 photocatalysts with enhanced charge transfer for aquatic organic pollutants removal | |
| CN110404524A (en) | Carbon quantum dot/titanium dioxide composite photocatalyst preparation method and applications | |
| US20230415128A1 (en) | Air-cleaning device and air-cleaning method | |
| CN101745130A (en) | Preparation method of novel material for controlling indoor air pollution | |
| Nien et al. | Preparation of ultrafine fibrous membranes containing graphitic carbon nitride composited photocatalyst and their degradation of methylene blue under visible light | |
| CN1907864A (en) | Method of preparing nano titanium dioxide crystallization induced by nano microcrystalline cellulose | |
| Ma et al. | Ag-TON nanospheres coupled with fly ash cenospheres for wastewater treatment under visible light irradiation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yanrong Inventor after: Liao Wenjuan Inventor before: Zhang Yanrong Inventor before: Liao Wenjuan Inventor before: Wang Naishi |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |