CN101797396A - Functional active carbon odor absorber - Google Patents
Functional active carbon odor absorber Download PDFInfo
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- CN101797396A CN101797396A CN201010160617A CN201010160617A CN101797396A CN 101797396 A CN101797396 A CN 101797396A CN 201010160617 A CN201010160617 A CN 201010160617A CN 201010160617 A CN201010160617 A CN 201010160617A CN 101797396 A CN101797396 A CN 101797396A
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- active carbon
- odor absorber
- carbon particles
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Abstract
The invention relates to a functional active carbon odor absorber capable of absorbing or discomposing various off-flavor molecules and volatile organic chemicals harmful to human body. The invention is prepared by the following steps: a. selecting materials: sieving active carbon particles and selecting the active carbon particles with particle size of 3-4mm for later use; b. immersing: adding the selected active carbon particles to a material dissolving kettle, adding a nano-grade titania air purifying agent under slowly stirring, and then carrying out filtering treatment after the system is uniform to filter the liquid out; and c. drying: drying the immersed active carbon particles through gas flow at the temperature of 30-40 DEG C, and obtaining the functional active carbon odor absorber. By adopting the combination of physical absorption and chemical decomposition, the invention can rapidly remove indoor off-flavor and harmful gases. And the invention has the advantages of long validity and no secondary pollution to environment.
Description
Technical field
The present invention relates to a kind of can absorption or decompose various abnormal flavour molecules and the functional active carbon odor absorber of harmful organic volatile.
Background technology
Room air pollution might can not be ignored to the injury that human body causes.Current, room air pollution mainly comprises physics, chemistry and biological pollution, derives from indoor and outdoors two parts.Indoor source mainly comprises effect, construction material and individual and the house pet activity of daily necessities and chemicals; Outdoor source mainly contain all contaminations in the outdoor air comprise industrial waste gas and vehicle exhaust by in the inlet chambers such as door and window, hole and the people bring indoor pollutant into.
Indoor air purification has several different methods at present, the biological decomposition method that comprises simple spice encapsulation method, utilizes physisorphtion, the photochemical catalytic oxidation decomposition method of porous solid absorbents such as activated carbon and utilize green plants to absorb.The spice encapsulation method improvement to IAQ (indoor air quality) in fact is invalid.Porous solids such as activated carbon can adsorb contaminant molecule effectively, but the less very easy desorbing of gas molecule of molecule causes secondary pollution.The photochemical catalytic oxidation decomposition method can be decomposed the less air pollutants of molecular weight fast, but longer to the pollutant reaction time of removing macromolecule, fast produce effects.The biological decomposition method is powerless and mechanism is comparatively slow to heavier room air pollution.
Summary of the invention
The purpose of this invention is to provide a kind of functional active carbon odor absorber, odor absorber of the present invention can fast and effeciently adsorb or decompose various abnormal flavour molecules and organic pollution, significantly improves IAQ (indoor air quality) in the short time.
The object of the present invention is achieved like this:
A kind of functional active carbon odor absorber prepares as follows:
A, select materials: active carbon granule is sieved, and selecting particle diameter is that the active carbon granule of 3～4mm is standby;
B, immersion: in the active carbon granule addingization material still of selecting, under slowly stirring, add the Nano titanium dioxide air purifying preparation, treat to carry out filtration treatment, elimination liquid after system evenly;
C, oven dry: the active carbon granule that immersion was handled is dried in 30～40 ℃ of downstream, obtain described functional active carbon odor absorber.
The invention has the beneficial effects as follows:
1. the present invention adopts physical absorption and chemolysis to combine, and can remove abnormal flavour and harmful gas in the room air fast, and effect duration is long, to the environment non-secondary pollution.
2. the active carbon granule of 3～4mm particle diameter of selecting for use of the present invention is compared with the carbon granules of other sizes, has bigger adsorbance, and assimilation effect is remarkable.
3. the nano titanium oxide and the carbon granules of the present invention's employing are used, and the abnormal flavour molecular concentration around carbon granules absorption can the increasing titanium dioxide fine particles improves mass transfer force; The TiO of sharp titanium crystal form
2Being excited under illumination produces hole---electron pair, moves to TiO
2Surperficial and airborne H
2O, O
2, OH
-Reaction generates the OH free radical, OH can oxidation almost all Organic substances and part inorganic matter, it is decomposed into CO the most at last
2And H
2Innocuous substances such as O, and TiO
2Itself does not participate in reaction, can be permanently effective, and TiO
2Photoetch can not take place, resistance to acids and bases is good, and chemical property is stable, to biological nontoxic.
4. the present invention adopts raw material to be beneficial to buying, and technology is simple, environmentally safe.
The specific embodiment
Embodiment:
Functional active carbon odor absorber of the present invention prepares as follows:
Select materials: commercially available active carbon granule is sieved, and the selection particle diameter is that the active carbon granule of 3～4mm is standby;
Immersion: in the active carbon granule addingization material still of selecting, under slowly stirring, add the Nano titanium dioxide air purifying preparation, treat to carry out filtration treatment after system is evenly, elimination liquid, but the filtrate centralized collection recycles.
Oven dry: the active carbon granule that immersion was handled is dried in 30～40 ℃ of downstream, promptly obtain described functional active carbon odor absorber.
The active carbon granule of 3～4mm particle diameter that the present invention selects for use is compared with the carbon granules of other sizes, has bigger adsorbance, and assimilation effect is remarkable.
The adsorbable part harmful gas of Nano titanium dioxide air purifying preparation that the present invention uses, the local nano-TiO that improves
2The harmful gas concentration on surface, accelerated degradation efficient, the efficient decomposing formaldehyde of energy, killing pathogenic bacteria can be permanently effective, and environmentally safe.
The proportioning of the Nano titanium dioxide air purifying preparation that the present invention uses and preparation method are open by Chinese patent application number 200810247477.4 " a kind of nanometer air purifying agents with sterilizing function and preparation method thereof ", the weight ratio of each component that contains in this cleanser is: butyl titanate 2～10, dehydrated alcohol 5～25, nitric acid 0.05～2, sulfamic acid 0.05～2, phosphoamide 0.05～3, distilled water 60～91.The steps in sequence of its preparation method is as follows:
A. according to the preparation weight ratio described butyl titanate is dissolved in dehydrated alcohol, obtains mixed solution A;
B. get the 30%-40% of the described distilled water weight in the said ratio,, obtain mixed solution B to wherein adding described nitric acid, sulfamic acid, phosphoamide successively by the preparation weight ratio;
C. described mixed solution A and mixed solution B are mixed, make the two carry out synthetic reaction, obtain semi-finished product;
D. behind the no Alcohols,fusel, remaining distilled water in the said ratio is added in these semi-finished product in definite described semi-finished product, obtain mother solution;
E. in described mother solution, add distilled water again, obtain having the nanometer air purifying agent of sterilizing function; The volume ratio of wherein said mother solution and distilled water is 1.5-5:100.
The Nano titanium dioxide air purifying preparation is measured through X-ray diffraction, and grain diameter wherein and crystal formation are mainly the nanometer anatase crystal type, and particle diameter is at 5-10nm.
Nano titanium oxide and carbon granules that the present invention adopts are used, and the abnormal flavour molecular concentration around carbon granules absorption can the increasing titanium dioxide fine particles improves mass transfer force; The TiO of sharp titanium crystal form
2Being excited under illumination produces hole---electron pair, moves to TiO
2Surperficial and airborne H
2O, O
2, OH
-Reaction generates the OH free radical, OH can oxidation almost all Organic substances and part inorganic matter, it is decomposed into CO the most at last
2And H
2Innocuous substances such as O, and TiO
2Itself does not participate in reaction, can be permanently effective, and TiO
2Photoetch can not take place, resistance to acids and bases is good, and chemical property is stable, to biological nontoxic.
Claims (1)
1. a functional active carbon odor absorber is characterized in that, prepares as follows:
A, select materials: active carbon granule is sieved, and selecting particle diameter is that the active carbon granule of 3～4mm is standby;
B, immersion: in the active carbon granule addingization material still of selecting, under slowly stirring, add the Nano titanium dioxide air purifying preparation, treat to carry out filtration treatment, elimination liquid after system evenly;
C, oven dry: the active carbon granule that immersion was handled is dried in 30～40 ℃ of downstream, obtain described functional active carbon odor absorber.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010160617A CN101797396A (en) | 2010-04-30 | 2010-04-30 | Functional active carbon odor absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010160617A CN101797396A (en) | 2010-04-30 | 2010-04-30 | Functional active carbon odor absorber |
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| CN101797396A true CN101797396A (en) | 2010-08-11 |
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| CN201010160617A Pending CN101797396A (en) | 2010-04-30 | 2010-04-30 | Functional active carbon odor absorber |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102406953A (en) * | 2011-12-06 | 2012-04-11 | 林永金 | Long-acting air freshener and preparation method thereof |
| CN102698729A (en) * | 2012-06-11 | 2012-10-03 | 遵义医学院 | Method for enhancing adhesiveness of nano TiO2 on surface of active carbon |
| CN103446874A (en) * | 2013-08-22 | 2013-12-18 | 苏州康华净化***工程有限公司 | Composite air purifying agent and preparation method thereof |
| CN106110883A (en) * | 2016-07-13 | 2016-11-16 | 吴美燕 | A kind of preparation method of the air purifying preparation removing harmful gas |
| CN106110884A (en) * | 2016-07-13 | 2016-11-16 | 吴美燕 | A kind of preparation method with the air purifying preparation removing harmful gas and abnormal flavour |
| CN106139893A (en) * | 2016-07-13 | 2016-11-23 | 吴美燕 | A kind of preparation method of the effervesce air purifying preparation removing pernicious gas |
| CN106179244A (en) * | 2016-07-29 | 2016-12-07 | 福建农林大学 | A kind of cellulose base is composite porous and its production and use |
| CN109865424A (en) * | 2017-12-01 | 2019-06-11 | 江苏瑞丰科技实业有限公司 | A kind of multifunctional air purifying cellular composite material |
| CN111729503A (en) * | 2020-06-18 | 2020-10-02 | 天津洁清馨科技有限公司 | Complexing nano-superposition odor-removing method |
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| CN1956919A (en) * | 2004-05-20 | 2007-05-02 | 可乐丽化学株式会社 | Spherical active carbon and process for producing the same |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102406953A (en) * | 2011-12-06 | 2012-04-11 | 林永金 | Long-acting air freshener and preparation method thereof |
| CN102406953B (en) * | 2011-12-06 | 2014-03-12 | 林永金 | Long-acting air freshener and preparation method thereof |
| CN102698729A (en) * | 2012-06-11 | 2012-10-03 | 遵义医学院 | Method for enhancing adhesiveness of nano TiO2 on surface of active carbon |
| CN103446874A (en) * | 2013-08-22 | 2013-12-18 | 苏州康华净化***工程有限公司 | Composite air purifying agent and preparation method thereof |
| CN106110883A (en) * | 2016-07-13 | 2016-11-16 | 吴美燕 | A kind of preparation method of the air purifying preparation removing harmful gas |
| CN106110884A (en) * | 2016-07-13 | 2016-11-16 | 吴美燕 | A kind of preparation method with the air purifying preparation removing harmful gas and abnormal flavour |
| CN106139893A (en) * | 2016-07-13 | 2016-11-23 | 吴美燕 | A kind of preparation method of the effervesce air purifying preparation removing pernicious gas |
| CN106179244A (en) * | 2016-07-29 | 2016-12-07 | 福建农林大学 | A kind of cellulose base is composite porous and its production and use |
| CN109865424A (en) * | 2017-12-01 | 2019-06-11 | 江苏瑞丰科技实业有限公司 | A kind of multifunctional air purifying cellular composite material |
| CN111729503A (en) * | 2020-06-18 | 2020-10-02 | 天津洁清馨科技有限公司 | Complexing nano-superposition odor-removing method |
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Application publication date: 20100811 |