CN101497039A - Air purification agent of high activity based on visible light and preparation method thereof - Google Patents
Air purification agent of high activity based on visible light and preparation method thereof Download PDFInfo
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- CN101497039A CN101497039A CNA2009100291843A CN200910029184A CN101497039A CN 101497039 A CN101497039 A CN 101497039A CN A2009100291843 A CNA2009100291843 A CN A2009100291843A CN 200910029184 A CN200910029184 A CN 200910029184A CN 101497039 A CN101497039 A CN 101497039A
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- atp
- sno
- tio
- colloidal sol
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Abstract
The invention relates to a high-activity air purificant based on visible light and a preparation method thereof. The purificant comprises ATP, SnO2 and TiO2, and is a laminated composite structure taking the ATP as a substrate layer, the SnO2 as an intermediate transition layer, and the TiO2 as a coating layer. The preparation method comprises the following steps that: firstly, an attapulgite clay mineral is produced into attapulgite clay powder ATP through ore dressing, crushing, screening and purifying; secondly, respectively preparing SnO2 sol and TiO2 sol; thirdly, compounding the ATP and the SnO2 to obtain an ATP/SnO2 single complex; and finally, secondarily compounding the ATP/SnO2 single complex with the TiO2 to obtain the high-activity ATP/SnO2/TiO2 nanometer composite purificant. The purificant is safe and reliable, can effectively improve deteriorated indoor and outdoor environment, reduce occurrence of diseases, and can be widely applied to households, catering, hospitals, offices and other places.
Description
Technical field
The present invention relates to the cleanser and the preparation method of room air and atmospheric cleaning in the field of environment protection, be specifically related to a kind of air purification agent of high activity based on visible light and preparation method thereof.
Background technology
After entering 21 century, the control of environmental pollution and improvement are the key subjects that human society faces and needs to be resolved hurrily, and the high speed development of nanometer technology, for the application of nano photo catalyzed oxidation provides fabulous opportunity.In numerous environmental pollution treatment technologies, with the conductor oxidate be catalyst the multiphase photocatalysis course of reaction with its at room temperature, deep reaction, can directly utilize sunshine to come activating catalyst and drive special performances such as redox reaction and become a kind of ideal environment pollution control technology as light source.
The photocatalysis technology utilization has electronics that the semi-conducting material of photocatalytic activity inspires and hole and finishes degraded to pernicious gas to participating in photochemical reaction under illumination.Work as TiO
2When semiconductor was shone by the light with wavelength X＜385nm, the electronics on the valence band was excited and transits to conduction band, produces hole (h on valence band
+), on conduction band, produce electronics (e
-), photohole has very strong oxidisability, can be oxidized to the high price material to the material that is adsorbed in the semiconductor grain surface, and electronics has reproducibility, can be the electron acceptor reduction of semiconductor surface absorption.Usually the semiconductor particle size more hour, electronics and hole migration are more little to the surperficial time, compound probability is more little; Particle size is more little simultaneously, specific area is big more, helps the absorption of reactant more, thus the augmenting response probability.With regard to light-catalyzed reaction, key is to improve the activity and the selectivity of light-catalyzed reaction, improves quantum yield, and its excitation wavelength is expanded to visible region, improves the efficiency of light energy utilization.Along with going deep into of research, some viewpoints of chemical industry carrier also penetrate in the photochemical catalytic oxidation, because the strong adsorption effect that carrier has, can improve the enrichment concentration of organic pollutant at catalyst surface, thereby create " subenvironment " that the local pollution substrate concentration is higher at carrier/photochemical catalyst near interface, increased the contact probability of pollutant and photochemical catalyst, the mineralization rate of organic pollution is improved.ATP is a kind of moisture zeopan mineral with chain layer structure, and it has characteristics such as excellent adsorption, ion-exchange capacity be strong, and has bigger inside and outside surface area.The layer chain structure of ATP can be divided into three layers, and two-layer up and down is the silicon-oxy tetrahedron structure, and the centre is one deck magnesia octahedral structure.Both sexes active force between the ATP interior layer has caused the lamellar spacing of layer interchain existence greater than 1nm, by ATP stronger ion exchange property and other process means, can prepare the molecular level composite purifying agent.
Summary of the invention
The objective of the invention is to: a kind of air purification agent of high activity based on visible light and preparation method thereof is provided, the cleanser that adopts this preparation method to obtain, safe and reliable, can effectively improve the indoor and outdoor surroundings that goes from bad to worse, reduce the generation of disease, can be widely used in places such as household, food and drink, hospital and office.
Technical solution of the present invention is: this cleanser comprises ATP, SnO
2, TiO
2, be to be base layer, SnO with ATP
2Be intermediate layer, TiO
2Layered composite structure for clad.
The preparation method of the air purification agent of high activity based on visible light of the present invention, at first, attapulgite clay mineral through ore dressing, pulverize, sieve, purifying obtains Concave-convex clay rod powder ATP; Then, prepare SnO respectively
2And TiO
2Colloidal sol; Secondly, ATP and SnO
2Carry out compoundly, obtain ATP/SnO
2Single complex; At last, again with ATP/SnO
2Single complex and TiO
2It is compound to carry out secondary, gets highly active ATP/SnO
2/ TiO
2Nano combined cleanser.
Among the preparation method of the air purification agent of high activity based on visible light of the present invention, comprise following concrete steps:
(1) attapulgite clay mineral through ore dressing, pulverize, sieve, purifying obtains the Concave-convex clay rod powder;
(2) SnO
2The preparation of colloidal sol: with SnCl
22H
2O is dissolved in the absolute ethyl alcohol with mass ratio 1:3.5, and sonic oscillation gets colourless transparent solution; Add glycerine again, the mass ratio of glycerine and stannic chloride is 1: 50, sonic oscillation 15min, and water-bath refluxes for 80～90 ℃ and concentrates 1h, and solution colour becomes yellowish; This yellow solution was placed saturated vapor following 5 days, make it that hydrolysis and polymerisation take place; Ageing 12h under 40 ℃ of water-baths makes the transparent SnO of orange colour again
2Colloidal sol;
(3) TiO
2The preparation of colloidal sol: butyl titanate to splash in the absolute ethyl alcohol under the volume ratio 1:10 stirring, is added diethanol amine again, and the volume ratio of diethanol amine and butyl titanate is 1:8, sonic oscillation 30min; The airtight preservation of this solution after 3 days, is added the aqueous alcohol of 95% mass concentration of 1/2 liquor capacity, and airtight again preservation was carried out to gel 2 days, made the TiO of homogeneous transparent
2Colloidal sol;
(4) the ATP powder is joined with mass ratio 1:4 in the aqueous alcohol of 95% mass concentration, sonic oscillation 15min carries out fully wetting, leaves standstill 1h after centrifugal in the centrifuge, and the elimination supernatant liquid gets fully wetting ATP;
(5) ATP after fully wetting is joined SnO
2In the colloidal sol, sonic oscillation 30min centrifugally behind the ageing 6h sloughs unnecessary colloidal sol, 50 ℃ of dry 12h, at 350-450 ℃ of calcining 1h down, calcining after ball milling, sieve ATP/SnO
2Single complex, single complex granularity is less than 800 orders;
(6) with ATP/SnO
2Single complex joins TiO
2In the colloidal sol, sonic oscillation 30min centrifugally behind the ageing 12h sloughs unnecessary colloidal sol, 50 ℃ of dry 6h, at 350-450 ℃ of calcining 1h down, calcining after ball milling, sieve ATP/SnO
2/ TiO
2Secondary complex, i.e. air purification agent of high activity.
The technological progress that the present invention obtains is: 1, because the stronger adsorption capacity of ATP, can create " subenvironment " that the local pollution substrate concentration is higher at the composite purifying agent near interface, increase the contact probability of pollutant and light cleanser, thereby improve the catalytic decomposition speed of organic pollution; 2, because compound SnO
2The intermediate layer helps being implemented in SnO
2/ TiO
2Electronics is from TiO at the interface
2To SnO
2The effective transfer that takes place; 3, this air purification agent of high activity does not contain organic solvent, and environmentally safe is to human body safety, nonhazardous effect; 4, this air purification agent of high activity can directly use down based on visible light, need not to provide the ultraviolet light of specific wavelength, and catalytic degradation efficient is higher; 5, this air purification agent of high activity demonstrate superior clean-up effect, and common product is difficult to realize the catalytic decomposition of the organic pollution under the low concentration for the air cleaning of low pollution concentration.
The specific embodiment
Below by embodiment the present invention is carried out concrete description; be necessary to be pointed out that at this present invention only is used for the present invention is further specified; can not be interpreted as limiting the scope of the invention, the person skilled in art can make some nonessential improvement and adjustment according to foregoing.
Example 1: at first, with attapulgite clay mineral through ore dressing, pulverize, sieve, purifying obtains the ATP powder; Then, with 11.2816g SnCl
22H
2O is dissolved in the 50ml absolute ethyl alcohol, get colourless transparent solution behind the sonic oscillation, add O.18ml glycerine again, sonic oscillation 15min, the water-soluble 80 ℃ of concentrated 1h that reflux of this solution, solution colour becomes yellowish, yellow solution placed saturated vapor following 5 days, make it that hydrolysis and polymerisation take place, ageing 12h under 40 ℃ of water-baths makes the transparent SnO of orange colour again
2Colloidal sol; Then, with splashing in the 80ml absolute ethyl alcohol under the stirring of 8ml butyl titanate, add the 1ml diethanol amine again, sonic oscillation 30min after 3 days, adds the aqueous alcohol 40ml of 95% mass concentration with the airtight preservation of this solution, airtight again preservation was carried out to gel 2 days, made the TiO of homogeneous transparent
2Colloidal sol; Secondly, the ATP powder of 10g is joined in the aqueous alcohol of 95% mass concentration of 50ml, sonic oscillation 15min carries out fully wettingly, leaves standstill 1h after centrifuge is centrifugal, the elimination supernatant liquid; At last, the ATP with after fully wetting joins SnO
2In the colloidal sol, sonic oscillation 30min centrifugally behind the ageing 6h sloughs unnecessary colloidal sol, 50 ℃ of dry 12h, at 350 ℃ of calcining 1h down, calcining after ball milling, sieve ATP/SnO
2Single complex, granularity is less than 800 orders, ATP/SnO
2Single complex joins TiO
2In the colloidal sol, sonic oscillation 30min centrifugally behind the ageing 12h sloughs unnecessary colloidal sol, 50 ℃ of dry 6h, at 350 ℃ of calcining 1h down, calcining after ball milling, sieve ATP/SnO
2/ TiO
2Secondary complex, i.e. air purification agent of high activity.Testing result shows that the air purifying preparation 24h formaldehyde clearance that this method obtains is 78.7% (20 ℃ of probe temperatures, humidity 48%).
Example 2: at first, with attapulgite clay mineral through ore dressing, pulverize, sieve, purifying obtains the ATP powder; Then, with 11.2816g SnCl
22H
2O is dissolved in the 50ml absolute ethyl alcohol, get colourless transparent solution behind the sonic oscillation, add the 0.18ml glycerine again, sonic oscillation 15min, water-soluble 85 ℃ of concentrated 1h that reflux, solution colour becomes yellowish, yellow solution placed saturated vapor following 5 days, make it that hydrolysis and polymerisation take place, ageing 12h under 40 ℃ of water-baths makes the transparent SnO of orange colour again
2Colloidal sol; Then, with splashing in the 80ml absolute ethyl alcohol under the stirring of 8ml butyl titanate, add the 1ml diethanol amine again, sonic oscillation 30min after 3 days, adds the aqueous alcohol 40ml of 95% mass concentration with the airtight preservation of this solution, airtight again preservation was carried out to gel 2 days, made the TiO of homogeneous transparent
2Colloidal sol; Secondly, the ATP powder of 10g is joined in the aqueous alcohol of 95% mass concentration of 50ml, sonic oscillation 15min carries out fully wettingly, leaves standstill 1h after centrifuge is centrifugal, the elimination supernatant liquid; At last, the ATP after fully wetting is joined SnO
2In the colloidal sol, sonic oscillation 30min centrifugally behind the ageing 6h sloughs unnecessary colloidal sol, 50 ℃ of dry 12h, at 400 ℃ of calcining 1h down, calcining after ball milling, sieve ATP/SnO
2Single complex, granularity is less than 800 orders, ATP/SnO
2Single complex joins TiO
2In the colloidal sol, sonic oscillation 30min centrifugally behind the ageing 12h sloughs unnecessary colloidal sol, 50 ℃ of dry 6h, at 400 ℃ of calcining 1h down, calcining after ball milling, sieve ATP/SnO
2/ TiO
2Secondary complex, i.e. air purification agent of high activity.Testing result shows that the air purifying preparation 24h formaldehyde clearance that this method obtains is 93.4% (20 ℃ of probe temperatures, humidity 48%).
Example 3: at first, with attapulgite clay mineral through ore dressing, pulverize, sieve, purifying obtains the ATP powder; Then, with 11.2816g SnCl
22H
2O is dissolved in the 50ml absolute ethyl alcohol, get colourless transparent solution behind the sonic oscillation, add O.18ml glycerine again, sonic oscillation 15min, water-soluble 90 ℃ of concentrated 1h that reflux, solution colour becomes yellowish, yellow solution placed saturated vapor following 5 days, make it that hydrolysis and polymerisation take place, ageing 12h under 40 ℃ of water-baths makes the transparent SnO of orange colour again
2Colloidal sol; Then, with splashing in the 80ml absolute ethyl alcohol under the stirring of 8ml butyl titanate, add the 1ml diethanol amine again, sonic oscillation 30min after 3 days, adds the aqueous alcohol 40ml of 95% mass concentration with the airtight preservation of this solution, airtight again preservation was carried out to gel 2 days, made the TiO of homogeneous transparent
2Colloidal sol; Secondly, the ATP powder of 10g is joined in the aqueous alcohol of 95% mass concentration of 50ml, sonic oscillation 15min carries out fully wettingly, leaves standstill 1h after centrifuge is centrifugal, the elimination supernatant liquid; At last, the ATP after fully wetting is joined SnO
2In the colloidal sol, sonic oscillation 30min centrifugally behind the ageing 6h sloughs unnecessary colloidal sol, 50 ℃ of dry 12h, at 450 ℃ of calcining 1h down, calcining after ball milling, sieve ATP/SnO
2Single complex, granularity is less than 800 orders, ATP/SnO
2Single complex joins TiO
2In the colloidal sol, sonic oscillation 30min centrifugally behind the ageing 12h sloughs unnecessary colloidal sol, 50 ℃ of dry 6h, at 450 ℃ of calcining 1h down, calcining after ball milling, sieve ATP/SnO
2/ TiO
2Secondary complex, i.e. air purification agent of high activity.Testing result shows that the air purifying preparation 24h formaldehyde clearance that this method obtains is 83.1% (20 ℃ of probe temperatures, humidity 48%).
Claims (3)
1, based on the air purification agent of high activity of visible light, it is characterized in that: this cleanser comprises ATP, SnO
2, TiO
2, be to be base layer, SnO with ATP
2Be intermediate layer, TiO
2Layered composite structure for clad.
2, a kind of preparation method of the air purification agent of high activity based on visible light is characterized in that: at first, attapulgite clay mineral through ore dressing, pulverize, sieve, purifying obtains Concave-convex clay rod powder ATP; Then, prepare SnO respectively
2And TiO
2Colloidal sol; Secondly, ATP and SnO
2Carry out compoundly, obtain ATP/SnO
2Single complex; At last, again with ATP/SnO
2Single complex and TiO
2It is compound to carry out secondary, gets highly active ATP/SnO
2/ TiO
2Nano combined cleanser.
3, the preparation method of a kind of air purification agent of high activity based on visible light as claimed in claim 2 is characterized in that this method comprises following concrete steps:
(1) attapulgite clay mineral through ore dressing, pulverize, sieve, purifying obtains Concave-convex clay rod powder ATP;
(2) SnO
2The preparation of colloidal sol: with SnCl
22H
2O is dissolved in the absolute ethyl alcohol with mass ratio 1:3.5, and sonic oscillation gets colourless transparent solution; Add glycerine again, the mass ratio of glycerine and stannic chloride is 1:50, sonic oscillation 15min, and water-bath refluxes for 80～90 ℃ and concentrates 1h, and solution colour becomes yellowish; This yellow solution was placed saturated vapor following 5 days, make it that hydrolysis and polymerisation take place; Ageing 12h under 40 ℃ of water-baths makes the transparent SnO of orange colour again
2Colloidal sol;
(3) TiO
2The preparation of colloidal sol: splash in the absolute ethyl alcohol under butyl titanate stirred with volume ratio 1:10; Add diethanol amine again, the volume ratio of diethanol amine and butyl titanate is 1:8, sonic oscillation 30min; The airtight preservation of this solution after 3 days, is added the aqueous alcohol of 95% mass concentration of 1/2 liquor capacity, and airtight again preservation was carried out to gel 2 days, made the TiO of homogeneous transparent
2Colloidal sol;
(4) the ATP powder is joined with mass ratio 1:4 in the aqueous alcohol of 95% mass concentration, sonic oscillation 15min carries out fully wetting, leaves standstill 1h after centrifugal in the centrifuge, and the elimination supernatant liquid gets fully wetting ATP;
(5) ATP after fully wetting is joined SnO
2In the colloidal sol, sonic oscillation 30min centrifugally behind the ageing 6h sloughs unnecessary colloidal sol, 50 ℃ of dry 12h, at 350-450 ℃ of calcining 1h down, calcining after ball milling, sieve ATP/SnO
2Single complex, single complex granularity is less than 800 orders;
(6) with ATP/SnO
2Single complex joins TiO
2In the colloidal sol, sonic oscillation 30min centrifugally behind the ageing 12h sloughs unnecessary colloidal sol, 50 ℃ of dry 6h, at 350-450 ℃ of calcining 1h down, calcining after ball milling, sieve ATP/SnO
2/ TiO
2Secondary complex, i.e. air purification agent of high activity.
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|---|---|---|---|
| CN2009100291843A CN101497039B (en) | 2009-01-16 | 2009-01-16 | Air purification agent of high activity based on visible light and preparation method thereof |
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|---|---|---|---|
| CN2009100291843A CN101497039B (en) | 2009-01-16 | 2009-01-16 | Air purification agent of high activity based on visible light and preparation method thereof |
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|---|---|
| CN101497039A true CN101497039A (en) | 2009-08-05 |
| CN101497039B CN101497039B (en) | 2011-05-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101898765A (en) * | 2010-07-30 | 2010-12-01 | 淮阴工学院 | Method for effectively dispersing depolymerization and preventing secondary agglomeration of attapulgite clay crystal bundle |
| CN101914248A (en) * | 2010-09-02 | 2010-12-15 | 淮阴工学院 | Preparation method of PS-TiO2-ATP organic/inorganic composite film |
| CN102502678A (en) * | 2011-09-21 | 2012-06-20 | 镇江忆诺唯记忆合金有限公司 | Preparation method of nanometer TiO2-ATP (Adenosine Triphosphate) powder material |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1233458C (en) * | 2001-04-30 | 2005-12-28 | 施利毅 | Prepn process of nano level composite photocatalyst |
| CN100509148C (en) * | 2007-07-18 | 2009-07-08 | 淮阴师范学院 | Method for synthesizing attapulgite composite photocatalyst |
-
2009
- 2009-01-16 CN CN2009100291843A patent/CN101497039B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101898765A (en) * | 2010-07-30 | 2010-12-01 | 淮阴工学院 | Method for effectively dispersing depolymerization and preventing secondary agglomeration of attapulgite clay crystal bundle |
| CN101914248A (en) * | 2010-09-02 | 2010-12-15 | 淮阴工学院 | Preparation method of PS-TiO2-ATP organic/inorganic composite film |
| CN101914248B (en) * | 2010-09-02 | 2012-01-25 | 淮阴工学院 | Preparation method of PS-TiO2-ATP organic/inorganic composite film |
| CN102502678A (en) * | 2011-09-21 | 2012-06-20 | 镇江忆诺唯记忆合金有限公司 | Preparation method of nanometer TiO2-ATP (Adenosine Triphosphate) powder material |
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| CN101497039B (en) | 2011-05-11 |
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