CN107042086A - A kind of high-specific surface area is modified composite activated carbon air filtering material and its preparation - Google Patents
A kind of high-specific surface area is modified composite activated carbon air filtering material and its preparation Download PDFInfo
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- CN107042086A CN107042086A CN201710429255.3A CN201710429255A CN107042086A CN 107042086 A CN107042086 A CN 107042086A CN 201710429255 A CN201710429255 A CN 201710429255A CN 107042086 A CN107042086 A CN 107042086A
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Abstract
The present invention proposes a kind of high-specific surface area and is modified composite activated carbon air filtering material and its preparation, including following parts by weight of component：40 50 parts of activated carbon, 20 23 parts of Nanometer Titanium Dioxide Hydrosol, 27 parts of rare earth oxide, 23 parts of tung oil, 15 parts of waterglass, 46 parts of carbonate solution, 25 parts of mixed powder, it is made up of steps such as modification, mixing, activation, obtained product has excellent adsorption, and specific surface area is up to 1940 2256m2/ g, improves more than 2.2 times compared to traditional untreated activated carbon specific surface area, extends service life, improves purification efficiency, and with delicate fragrance, bactericidal effect, effectively improve air quality, clean-up effect is strong.
Description
Technical field
The present invention relates to material for air purification technical field, and in particular to it is empty that a kind of high-specific surface area is modified composite activated carbon
Air filter material and its preparation.
Background technology
At this stage with the fast development of modern industry, atmosphere pollution is increasingly severe, and it is dirty that many countries have worked out environment
Dye controls logos, and accordingly sets up various purification facilitys.At present, the air filting material in China market is mostly non-woven cloth misfortune
Membrane filtration, its function only has dedusting, without possessing absorption, bactericidal lamp function；At present, although domestic have several unit inventions
The air filting material being combined using activated carbon, web, but adsorptivity is poor, treatment effeciency is low, and service life compared with
It is short, add financial cost.
The content of the invention
For above-mentioned problem, the present invention propose a kind of high-specific surface area be modified composite activated carbon air filtering material and
It is prepared, and is made up of steps such as modification, mixing, activation, obtained product has excellent adsorption, specific surface area is reachable
1940-2256m2/ g, more than 2.2 times are improved compared to traditional untreated activated carbon specific surface area, and with delicate fragrance, sterilization
Effect, effectively improves air quality, and clean-up effect is strong.
In order to realize above-mentioned purpose, the present invention uses following technical scheme：
A kind of high-specific surface area is modified composite activated carbon air filtering material, including following parts by weight of component：Activated carbon 40-50
Part, 20-23 parts of Nanometer Titanium Dioxide Hydrosol, 2-7 parts of rare earth oxide, 2-3 parts of tung oil, 1-5 parts of waterglass, carbonate solution
4-6 parts, 2-5 parts of mixed powder.
It is preferred that, the rare earth oxide is mol ratio 1:0-0.4 cerium oxide, scandium oxide composition.
It is preferred that, the carbonate solution is sodium acid carbonate, sodium carbonate, potassium carbonate, saleratus, ammonium carbonate, bicarbonate
Any one in ammonium.
It is preferred that, the mixed powder includes inorganic powder and pure plant powder, and wherein pure plant powder accounts for the total matter of mixed powder
The 20-30% of amount.
It is preferred that, the inorganic powder is nano diatomite, the mixture of nano-bentonite, and both mass ratioes are 2:1.
It is preferred that, the pure plant powder is mass ratio 1：1:1：1 epipremnum aureum leaf, the leaf of bamboo, lotus leaf, yellow cinnamon leaf mixture.
It is preferred that, it is as follows that high-specific surface area is modified composite activated carbon air filtering material preparation process：
1) carbonate solution is added in activated carbon, isothermal reaction 0.5-1.2h in an inert atmosphere after stirring and evenly mixing takes
Added after going out in Nanometer Titanium Dioxide Hydrosol, 50 DEG C of insulated and stirred 20-30min obtain compound one；
2) tung oil, waterglass are added in compound one, is continuously heating to 62-64 DEG C, insulated and stirred 25-30min obtains mixed
Close material two；
3) appropriate water is added into mixed powder and stirs into scattered paste shape, is then added into compound two, 62-64 DEG C
Rare earth oxide, is then added thereto by insulated and stirred 40-60min again, and heating activation in Muffle furnace is transferred to after stirring,
Graininess is broken into after taking out cooling, you can.
It is preferred that, step 1) in isothermal reaction temperature be 40-45 DEG C.
It is preferred that, step 3) the specially present 150 DEG C of insulations 1h of middle heating activation, then heat to 280 DEG C -330 DEG C and protect
Warm 1.5-3h.
Due to using above-mentioned technical scheme, the beneficial effects of the invention are as follows：The present invention passes through modification, mixing, activation etc.
Step is made, and obtained product has excellent adsorption, and specific surface area is up to 1940-2256m2/ g, compared to tradition not
The activated carbon specific surface area of processing improves more than 2.2 times, extends service life, improves purification efficiency, and with delicate fragrance,
Bactericidal effect, effectively improves air quality, and clean-up effect is strong.
It is first alkalization modified to activated carbon progress using carbonate solution, effectively increase the catalysis subsequently with titanium dioxide and be total to
Mixed effect, and heated while alkalization, the gas being decomposed to form is conducive to further improving the porosity of activated carbon.Then by water
Glass, tung oil are added thereto while good thixotropic flow between ensureing component, improve the interpore cross-linked stable in space,
Coordinate mixed powder to improve absorption, bactericidal effect, improve the adsorption capacity to sour gas, and include in mixed powder
Pure plant powder, while peculiar smell is eliminated can giving out fragrance, double action, air purification effect is stronger.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described.Based on embodiments of the invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
Embodiment 1：
A kind of high-specific surface area is modified composite activated carbon air filtering material, including following parts by weight of component：45 parts of activated carbon, receive
22 parts of titania hydrosol of rice, 3 parts of rare earth oxide, 2.5 parts of tung oil, 4 parts of waterglass, 4 parts of carbonate solution, mixed powder
3 parts.
Wherein：
Rare earth oxide is mol ratio 1:0.2 cerium oxide, scandium oxide composition；Carbonate solution is sodium acid carbonate；It is mixed
Closing powder includes inorganic powder and pure plant powder, and inorganic powder is nano diatomite, the mixture of nano-bentonite, both quality
Than for 2:1, pure plant powder is mass ratio 1：1:1：1 epipremnum aureum leaf, the leaf of bamboo, lotus leaf, yellow cinnamon leaf mixture, pure plant powder account for mixing
The 25% of powder gross mass.
It is as follows that high-specific surface area is modified composite activated carbon air filtering material preparation process：
1) carbonate solution is added in activated carbon, 40 DEG C of isothermal reaction 0.8h in an inert atmosphere after stirring and evenly mixing take
Added after going out in Nanometer Titanium Dioxide Hydrosol, 50 DEG C of insulated and stirred 20min obtain compound one；
2) tung oil, waterglass are added in compound one, is continuously heating to 62-64 DEG C, insulated and stirred 25min must be mixed
Material two；
3) appropriate water is added into mixed powder and stirs into scattered paste shape, is then added into compound two, 62-64 DEG C
Rare earth oxide, is then added thereto by insulated and stirred 45min again, and heating activation in Muffle furnace is transferred to after stirring, is taken
Graininess is broken into after going out cooling, you can, heating activation is specially present 150 DEG C of insulations 1h, then heats to 280 DEG C of insulations
1.8h。
Embodiment 2：
A kind of high-specific surface area is modified composite activated carbon air filtering material, including following parts by weight of component：48 parts of activated carbon, receive
21.5 parts of titania hydrosol of rice, 5 parts of rare earth oxide, 2.3 parts of tung oil, 3 parts of waterglass, 5 parts of carbonate solution, mixed powder
4 parts of material.
Wherein：
Rare earth oxide is mol ratio 1:0.4 cerium oxide, scandium oxide composition；Carbonate solution is sodium carbonate；Mixing
Powder includes inorganic powder and pure plant powder, and inorganic powder is nano diatomite, the mixture of nano-bentonite, both mass ratioes
For 2:1, pure plant powder is mass ratio 1：1:1：1 epipremnum aureum leaf, the leaf of bamboo, lotus leaf, yellow cinnamon leaf mixture, pure plant powder account for mixed powder
Expect the 30% of gross mass.
It is as follows that high-specific surface area is modified composite activated carbon air filtering material preparation process：
1) carbonate solution is added in activated carbon, 45 DEG C of isothermal reaction 0.5h in an inert atmosphere after stirring and evenly mixing take
Added after going out in Nanometer Titanium Dioxide Hydrosol, 50 DEG C of insulated and stirred 25min obtain compound one；
2) tung oil, waterglass are added in compound one, is continuously heating to 62-64 DEG C, insulated and stirred 25min must be mixed
Material two；
3) appropriate water is added into mixed powder and stirs into scattered paste shape, is then added into compound two, 62-64 DEG C
Rare earth oxide, is then added thereto by insulated and stirred 50min again, and heating activation in Muffle furnace is transferred to after stirring, is taken
Graininess is broken into after going out cooling, you can, heating activation is specially present 150 DEG C of insulations 1h, then heats to 290 DEG C of insulations
2.2h。
Embodiment 3：
A kind of high-specific surface area is modified composite activated carbon air filtering material, including following parts by weight of component：42 parts of activated carbon, receive
22.8 parts of titania hydrosol of rice, 7 parts of rare earth oxide, 3 parts of tung oil, 5 parts of waterglass, 4 parts of carbonate solution, mixed powder
5 parts.
Wherein：
Rare earth oxide is mol ratio 1:0.3 cerium oxide, scandium oxide composition；Carbonate solution is saleratus；It is mixed
Closing powder includes inorganic powder and pure plant powder, and inorganic powder is nano diatomite, the mixture of nano-bentonite, both quality
Than for 2:1, pure plant powder is mass ratio 1：1:1：1 epipremnum aureum leaf, the leaf of bamboo, lotus leaf, yellow cinnamon leaf mixture, pure plant powder account for mixing
The 25% of powder gross mass.
It is as follows that high-specific surface area is modified composite activated carbon air filtering material preparation process：
1) carbonate solution is added in activated carbon, 40 DEG C of isothermal reaction 1h in an inert atmosphere after stirring and evenly mixing take out
Add afterwards in Nanometer Titanium Dioxide Hydrosol, 50 DEG C of insulated and stirred 25min obtain compound one；
2) tung oil, waterglass are added in compound one, is continuously heating to 62-64 DEG C, insulated and stirred 30min must be mixed
Material two；
3) appropriate water is added into mixed powder and stirs into scattered paste shape, is then added into compound two, 62-64 DEG C
Rare earth oxide, is then added thereto by insulated and stirred 50min again, and heating activation in Muffle furnace is transferred to after stirring, is taken
Graininess is broken into after going out cooling, you can, heating activation is specially present 150 DEG C of insulations 1h, then heats to 300 DEG C of insulations
2.8h。
Embodiment 4：
A kind of high-specific surface area is modified composite activated carbon air filtering material, including following parts by weight of component：50 parts of activated carbon, receive
23 parts of titania hydrosol of rice, 4 parts of rare earth oxide, 2.2 parts of tung oil, 5 parts of waterglass, 6 parts of carbonate solution, mixed powder
5 parts.
Wherein：
Rare earth oxide is mol ratio 1:0.1 cerium oxide, scandium oxide composition；Carbonate solution is in ammonium hydrogen carbonate；
Mixed powder includes inorganic powder and pure plant powder, and inorganic powder is nano diatomite, the mixture of nano-bentonite, Liang Zhezhi
Amount is than being 2:1, pure plant powder is mass ratio 1：1:1：1 epipremnum aureum leaf, the leaf of bamboo, lotus leaf, yellow cinnamon leaf mixture, pure plant powder accounts for mixed
Close the 25% of powder gross mass.
It is as follows that high-specific surface area is modified composite activated carbon air filtering material preparation process：
1) carbonate solution is added in activated carbon, 40 DEG C of isothermal reaction 1.2h in an inert atmosphere after stirring and evenly mixing take
Added after going out in Nanometer Titanium Dioxide Hydrosol, 50 DEG C of insulated and stirred 25min obtain compound one；
2) tung oil, waterglass are added in compound one, is continuously heating to 62-64 DEG C, insulated and stirred 30min must be mixed
Material two；
3) appropriate water is added into mixed powder and stirs into scattered paste shape, is then added into compound two, 62-64 DEG C
Rare earth oxide, is then added thereto by insulated and stirred 60min again, and heating activation in Muffle furnace is transferred to after stirring, is taken
Graininess is broken into after going out cooling, you can, heating activation is specially present 150 DEG C of insulations 1h, then heats to 330 DEG C of insulations
1.5h。
Embodiment 5：
A kind of high-specific surface area is modified composite activated carbon air filtering material, including following parts by weight of component：40 parts of activated carbon, receive
20.7 parts of titania hydrosol of rice, 4 parts of rare earth oxide, 2 parts of tung oil, 2 parts of waterglass, 5 parts of carbonate solution, mixed powder
4 parts.
Wherein：
Rare earth oxide is cerium oxide；Carbonate solution is ammonium carbonate；Mixed powder includes inorganic powder and pure plant powder,
Inorganic powder is nano diatomite, the mixture of nano-bentonite, and both mass ratioes are 2:1, pure plant powder is mass ratio 1：1:
1：1 epipremnum aureum leaf, the leaf of bamboo, lotus leaf, yellow cinnamon leaf mixture, pure plant powder account for the 20% of mixed powder gross mass.
It is as follows that high-specific surface area is modified composite activated carbon air filtering material preparation process：
1) carbonate solution is added in activated carbon, 45 DEG C of isothermal reaction 1h in an inert atmosphere after stirring and evenly mixing take out
Add afterwards in Nanometer Titanium Dioxide Hydrosol, 50 DEG C of insulated and stirred 30min obtain compound one；
2) tung oil, waterglass are added in compound one, is continuously heating to 62-64 DEG C, insulated and stirred 30min must be mixed
Material two；
3) appropriate water is added into mixed powder and stirs into scattered paste shape, is then added into compound two, 62-64 DEG C
Rare earth oxide, is then added thereto by insulated and stirred 45min again, and heating activation in Muffle furnace is transferred to after stirring, is taken
Graininess is broken into after going out cooling, you can, heating activation is specially present 150 DEG C of insulations 1h, then heats to 280 DEG C of insulations
3h。
Embodiment 6：
A kind of high-specific surface area is modified composite activated carbon air filtering material, including following parts by weight of component：46 parts of activated carbon, receive
20 parts of titania hydrosol of rice, 2 parts of rare earth oxide, 2.6 parts of tung oil, 1 part of waterglass, 4 parts of carbonate solution, mixed powder
2 parts.
Wherein：
Rare earth oxide is cerium oxide；Carbonate solution is ammonium hydrogen carbonate；Mixed powder includes inorganic powder and Plant Powder
Material, inorganic powder is nano diatomite, the mixture of nano-bentonite, and both mass ratioes are 2:1, pure plant powder is mass ratio 1：
1:1：1 epipremnum aureum leaf, the leaf of bamboo, lotus leaf, yellow cinnamon leaf mixture, pure plant powder account for the 25% of mixed powder gross mass.
It is as follows that high-specific surface area is modified composite activated carbon air filtering material preparation process：
1) carbonate solution is added in activated carbon, 40 DEG C of isothermal reaction 0.9h in an inert atmosphere after stirring and evenly mixing take
Added after going out in Nanometer Titanium Dioxide Hydrosol, 50 DEG C of insulated and stirred 20min obtain compound one；
2) tung oil, waterglass are added in compound one, is continuously heating to 62-64 DEG C, insulated and stirred 30min must be mixed
Material two；
3) appropriate water is added into mixed powder and stirs into scattered paste shape, is then added into compound two, 62-64 DEG C
Rare earth oxide, is then added thereto by insulated and stirred 40min again, and heating activation in Muffle furnace is transferred to after stirring, is taken
Graininess is broken into after going out cooling, you can, heating activation is specially present 150 DEG C of insulations 1h, then heats to 320 DEG C of insulations
2.4h。
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a kind of high-specific surface area is modified composite activated carbon air filtering material, it is characterised in that including following parts by weight of component：Activity
40-50 parts of charcoal, 20-23 parts of Nanometer Titanium Dioxide Hydrosol, 2-7 parts of rare earth oxide, 2-3 parts of tung oil, 1-5 parts of waterglass, carbon
4-6 parts of acid salt solution, 2-5 parts of mixed powder.
2. high-specific surface area according to claim 1 is modified composite activated carbon air filtering material, it is characterised in that：The rare earth
Oxide is mol ratio 1:0-0.4 cerium oxide, scandium oxide composition.
3. high-specific surface area according to claim 1 is modified composite activated carbon air filtering material, it is characterised in that：The carbonic acid
Salting liquid is any one in sodium acid carbonate, sodium carbonate, potassium carbonate, saleratus, ammonium carbonate, ammonium hydrogen carbonate.
4. high-specific surface area according to claim 1 is modified composite activated carbon air filtering material, it is characterised in that：The mixing
Powder includes inorganic powder and pure plant powder, and wherein pure plant powder accounts for the 20-30% of mixed powder gross mass.
5. high-specific surface area according to claim 4 is modified composite activated carbon air filtering material, it is characterised in that：It is described inorganic
Powder is nano diatomite, the mixture of nano-bentonite, and both mass ratioes are 2:1.
6. high-specific surface area according to claim 4 is modified composite activated carbon air filtering material, it is characterised in that：The plant
Powder is mass ratio 1：1:1：1 epipremnum aureum leaf, the leaf of bamboo, lotus leaf, yellow cinnamon leaf mixture.
7. the high-specific surface area according to claim any one of 1-6 is modified composite activated carbon air filtering material, it is characterised in that
Preparation process is as follows：
1) carbonate solution is added in activated carbon, isothermal reaction 0.5-1.2h in an inert atmosphere after stirring and evenly mixing, after taking-up
Add in Nanometer Titanium Dioxide Hydrosol, 50 DEG C of insulated and stirred 20-30min obtain compound one；
2) tung oil, waterglass are added in compound one, is continuously heating to 62-64 DEG C, insulated and stirred 25-30min obtains compound
Two；
3) appropriate water is added into mixed powder and stirs into scattered paste shape, is then added into compound two, 62-64 DEG C of insulation
40-60min is stirred, then again rare earth oxide is added thereto, heating activation in Muffle furnace is transferred to after stirring, is taken out
Graininess is broken into after cooling, you can.
8. high-specific surface area according to claim 7 is modified composite activated carbon air filtering material, it is characterised in that：Step 1) in
Isothermal reaction temperature is 40-45 DEG C.
9. high-specific surface area according to claim 7 is modified composite activated carbon air filtering material, it is characterised in that：Step 3) in
Heating activation is specially present 150 DEG C of insulations 1h, then heats to 280 DEG C of -330 DEG C of insulation 1.5-3h.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173998A (en) * | 2018-09-29 | 2019-01-11 | 陈怀银 | A kind of air purifier special purification sterilization material and preparation method thereof |
| CN111229163A (en) * | 2020-02-11 | 2020-06-05 | 江西众安职业危害评价检测有限公司 | Dust adsorbent, preparation method thereof and dust adsorption and filtration device |
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| CN104437432A (en) * | 2014-11-20 | 2015-03-25 | 安徽天泰环保科技有限公司 | Activated carbon kieselguhr air purification particles dispersing uniformly and preparation method thereof |
| CN105854809A (en) * | 2016-06-20 | 2016-08-17 | 西南化工研究设计院有限公司 | Modified activated carbon for adsorption of middle and high concentration VOCs and preparation method of modified activated carbon |
| CN106622131A (en) * | 2016-12-22 | 2017-05-10 | 安徽乐金环境科技有限公司 | Air purifying agent and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102989308A (en) * | 2012-11-28 | 2013-03-27 | 欧阳杰 | Multifunctional air cleaning agent |
| CN104437432A (en) * | 2014-11-20 | 2015-03-25 | 安徽天泰环保科技有限公司 | Activated carbon kieselguhr air purification particles dispersing uniformly and preparation method thereof |
| CN105854809A (en) * | 2016-06-20 | 2016-08-17 | 西南化工研究设计院有限公司 | Modified activated carbon for adsorption of middle and high concentration VOCs and preparation method of modified activated carbon |
| CN106622131A (en) * | 2016-12-22 | 2017-05-10 | 安徽乐金环境科技有限公司 | Air purifying agent and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173998A (en) * | 2018-09-29 | 2019-01-11 | 陈怀银 | A kind of air purifier special purification sterilization material and preparation method thereof |
| CN111229163A (en) * | 2020-02-11 | 2020-06-05 | 江西众安职业危害评价检测有限公司 | Dust adsorbent, preparation method thereof and dust adsorption and filtration device |
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Application publication date: 20170815 |