CN108855000A - A kind of preparation method of nano adsorption material - Google Patents
A kind of preparation method of nano adsorption material Download PDFInfo
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- CN108855000A CN108855000A CN201810664544.6A CN201810664544A CN108855000A CN 108855000 A CN108855000 A CN 108855000A CN 201810664544 A CN201810664544 A CN 201810664544A CN 108855000 A CN108855000 A CN 108855000A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
- B01J20/28004—Sorbent size or size distribution, e.g. particle size
- B01J20/28007—Sorbent size or size distribution, e.g. particle size with size in the range 1-100 nanometers, e.g. nanosized particles, nanofibers, nanotubes, nanowires or the like
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Abstract
The invention discloses a kind of preparation methods of nano adsorption material, the present invention is using tetraethyl orthosilicate as presoma, it is hydrolyzed in the aqueous solution containing wheat-germ meal, by triethanolamine, treated that esterification is blended with stearic acid for colloidal sol again, dispersion is blended with dimethyl carbonate for ester amine modification sol again later, it is re-introduced into polyacrylamide, pass through quaternization reaction later, obtain finished product, by means of the present invention, by silica solution, wheat-germ meal, polyacrylamide, quaternary ammonium salt forms effective compound, stability is high, with good synergistic sorption performance, and it is high using the feature of environmental protection, comprehensive performance is superior.
Description
Technical field
The invention belongs to nano adsorption material fields, and in particular to a kind of preparation method of nano adsorption material.
Background technique
With the development of modern industry, atmosphere pollution is increasingly severe, and many countries have formulated environmental pollution method, and corresponding
Ground establishes various purification facilities, but atmosphere pollution still has.Due to family life facility, smoking etc., one is also generated
A little harmful substances pollute room air.The pollution that this indoor and outdoor combines significantly affects the health of people, because
This, countries in the world are all using Industrial cleaning facility and home interior purification as the important subject of control environmental pollution, existing sky
Gas filtering material is mostly non-woven cloth or film filtering, and function is only dedusting.That there was only minority on the market at present utilizes activity
The air filting material that charcoal, web combine makes it have the function of sterilization and absorption.But such filtering material will carry out
Needle thorn is compound and sterilization arranges etc., not only complex process, but also production cost is higher.And its filtering function can be with multiple
Cleaning is reduced and is disappeared quickly, and recycling rate of waterused is low, and some also will cause secondary pollution.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of preparation sides of nano adsorption material
Method.
To achieve the above object, the present invention uses following technical scheme：
A kind of preparation method of nano adsorption material, includes the following steps：
(1) wheat-germ meal for taking 6-10 parts by weight is added in the deionized water of 20-30 times of its weight, is increased temperature and is
50-60 DEG C, the potassium dihydrogen phosphate of 1-2 parts by weight is added, insulated and stirred 10-40 minutes, obtains aqueous dispersions；
(2) tetraethyl orthosilicate for taking 50-60 parts by weight is added in above-mentioned aqueous dispersions, and 8-10 parts by weight are added
Triethanolamine, increasing temperature is 80-90 DEG C, and insulated and stirred 4-10 minutes, reduction temperature was room temperature, stirs 3-5 hours, obtains colloidal sol
Dispersion liquid；
(3) it takes the stearic acid of 10-14 parts by weight to heat and soften, is added in above-mentioned sol dispersion, stirs evenly, be sent into
Into reaction kettle, the p-methyl benzenesulfonic acid of mixture weight 1-3% is added, is passed through nitrogen, adjusting temperature of reaction kettle is 166-180
DEG C, it is stirred to react 4-6 hours, obtains ester amine modification sol；
(4) above-mentioned ester amine modification sol is taken, is added in the dimethyl carbonate of 2-3 times of its weight, stirs evenly, is added
The polyacrylamide of 20-26 parts by weight, centrifuge separation, obtains organic phase and water phase；
(5) it fetches water phase, it is dry after suction filtration, the material after drying is added in organic phase, is stirred evenly, reaction is sent to
In kettle, it is passed through nitrogen, adjusting temperature of reaction kettle is 60 DEG C, is reacted 40 hours, and it is small to rotate 1-2 at 80-90 DEG C for discharging cooling
When, it is sent into baking oven, it is 30-40 minutes dry at 100-130 DEG C, after cooling to obtain the final product.
Advantages of the present invention：
The present invention hydrolyzes in the aqueous solution containing wheat-germ meal using tetraethyl orthosilicate as presoma, then by three ethyl alcohol
Treated that esterification is blended with stearic acid for colloidal sol for amine, dispersion is blended with dimethyl carbonate for ester amine modification sol again later, then draw
Enter polyacrylamide, later by quaternization reaction, obtain finished product, by means of the present invention, by silica solution, wheat-germ meal,
Polyacrylamide, quaternary ammonium salt form effective compound, and stability is high, has good synergistic sorption performance, and use the feature of environmental protection
Height, comprehensive performance are superior.
Specific embodiment
Embodiment 1
A kind of preparation method of nano adsorption material, includes the following steps：
(1) wheat-germ meal for taking 6 parts by weight is added in the deionized water of 20 times of its weight, and increasing temperature is 50 DEG C, is added
Enter the potassium dihydrogen phosphate of 1 parts by weight, insulated and stirred 10 minutes, obtains aqueous dispersions；
(2) tetraethyl orthosilicate for taking 50 parts by weight is added in above-mentioned aqueous dispersions, and three ethyl alcohol of 8 parts by weight are added
Amine, increasing temperature is 80 DEG C, and insulated and stirred 4 minutes, reduction temperature was room temperature, stirs 3 hours, obtains sol dispersion；
(3) it takes the stearic acid of 10 parts by weight to heat and soften, is added in above-mentioned sol dispersion, stirs evenly, be sent to
In reaction kettle, the p-methyl benzenesulfonic acid of mixture weight 1% is added, is passed through nitrogen, adjusting temperature of reaction kettle is 166 DEG C, stirring
Reaction 4 hours, obtains ester amine modification sol；
(4) above-mentioned ester amine modification sol is taken, is added in the dimethyl carbonate of 2 times of its weight, stirs evenly, 20 weights are added
The polyacrylamide of part is measured, centrifuge separation obtains organic phase and water phase；
(5) it fetches water phase, it is dry after suction filtration, the material after drying is added in organic phase, is stirred evenly, reaction is sent to
In kettle, it is passed through nitrogen, adjusting temperature of reaction kettle is 60 DEG C, is reacted 40 hours, and discharging cooling is rotated 1 hour at 80 DEG C, is sent into
It is 30 minutes dry at 100 DEG C in baking oven, after cooling to obtain the final product.
Embodiment 2
A kind of preparation method of nano adsorption material, includes the following steps：
(1) wheat-germ meal for taking 10 parts by weight is added in the deionized water of 30 times of its weight, and increasing temperature is 60 DEG C,
The potassium dihydrogen phosphate of 2 parts by weight is added, insulated and stirred 40 minutes, obtains aqueous dispersions；
(2) tetraethyl orthosilicate for taking 60 parts by weight is added in above-mentioned aqueous dispersions, and three ethyl alcohol of 10 parts by weight are added
Amine, increasing temperature is 90 DEG C, and insulated and stirred 10 minutes, reduction temperature was room temperature, stirs 5 hours, obtains sol dispersion；
(3) it takes the stearic acid of 14 parts by weight to heat and soften, is added in above-mentioned sol dispersion, stirs evenly, be sent to
In reaction kettle, the p-methyl benzenesulfonic acid of mixture weight 3% is added, is passed through nitrogen, adjusting temperature of reaction kettle is 180 DEG C, stirring
Reaction 6 hours, obtains ester amine modification sol；
(4) above-mentioned ester amine modification sol is taken, is added in the dimethyl carbonate of 3 times of its weight, stirs evenly, 26 weights are added
The polyacrylamide of part is measured, centrifuge separation obtains organic phase and water phase；
(5) it fetches water phase, it is dry after suction filtration, the material after drying is added in organic phase, is stirred evenly, reaction is sent to
In kettle, it is passed through nitrogen, adjusting temperature of reaction kettle is 60 DEG C, is reacted 40 hours, and discharging cooling is rotated 2 hours at 90 DEG C, is sent into
It is 40 minutes dry at 130 DEG C in baking oven, after cooling to obtain the final product.
Performance test：
Identical 30 cubic metres of the container of 4 sizes is selected, the nanometer that the embodiment of the present invention 1 is respectively put into container is inhaled
Enclosure material 300g (being calculated as a container), the nano adsorption material 300g (being calculated as a container) of embodiment 2 and activity powdered carbon 300g (are calculated as
Comparison container 1), wheat-germ meal 300g (be calculated as comparison container 2), lead to formaldehyde, until concentration of formaldehyde is 3 milligrams/cubic metre, sealing is held
Device surveys formaldehyde removing rate：
After 24 hours, the concentration of formaldehyde in a container is 0.6 milligram/cubic metre；
After 24 hours, the concentration of formaldehyde in b container is 0.8 milligram/cubic metre；
After 24 hours, comparing the concentration of formaldehyde in container 1 is 1.6 milligrams/cubic metre；
After 24 hours, comparing the concentration of formaldehyde in container 1 is 2.5 milligrams/cubic metre；
After 48 hours, the concentration of formaldehyde in a container is 0.2 milligram/cubic metre；
After 48 hours, the concentration of formaldehyde in a container is 0.3 milligram/cubic metre；
After 48 hours, comparing the concentration of formaldehyde in container 1 is 0.9 milligram/cubic metre；
After 48 hours, comparing the concentration of formaldehyde in container 2 is 2.4 milligrams/cubic metre.
Claims (1)
1. a kind of preparation method of nano adsorption material, which is characterized in that include the following steps：
(1) wheat-germ meal for taking 6-10 parts by weight is added in the deionized water of 20-30 times of its weight, and raising temperature is 50-60
DEG C, the potassium dihydrogen phosphate of 1-2 parts by weight is added, insulated and stirred 10-40 minutes, obtains aqueous dispersions；
(2) tetraethyl orthosilicate for taking 50-60 parts by weight is added in above-mentioned aqueous dispersions, and three second of 8-10 parts by weight are added
Hydramine, increasing temperature is 80-90 DEG C, and insulated and stirred 4-10 minutes, reduction temperature was room temperature, stirs 3-5 hours, obtains colloidal dispersion
Liquid；
(3) it takes the stearic acid of 10-14 parts by weight to heat and soften, is added in above-mentioned sol dispersion, stirs evenly, be sent to anti-
It answers in kettle, the p-methyl benzenesulfonic acid of mixture weight 1-3% is added, be passed through nitrogen, adjusting temperature of reaction kettle is 166-180 DEG C,
It is stirred to react 4-6 hours, obtains ester amine modification sol；
(4) above-mentioned ester amine modification sol is taken, is added in the dimethyl carbonate of 2-3 times of its weight, stirs evenly, 20-26 is added
The polyacrylamide of parts by weight, centrifuge separation, obtains organic phase and water phase；
(5) it fetches water phase, it is dry after suction filtration, the material after drying is added in organic phase, is stirred evenly, reaction kettle is sent to
In, it is passed through nitrogen, adjusting temperature of reaction kettle is 60 DEG C, is reacted 40 hours, and discharging cooling rotates 1-2 hours at 80-90 DEG C,
It is sent into baking oven, it is 30-40 minutes dry at 100-130 DEG C, after cooling to obtain the final product.
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| CN201810664544.6A CN108855000B (en) | 2018-06-25 | 2018-06-25 | Preparation method of nano adsorption material |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875551A (en) * | 2009-04-28 | 2010-11-03 | 北京泰华美邦建材有限责任公司 | Clay capable of absorbing, purifying and decomposing harmful substances indoors |
| CN102302927A (en) * | 2011-06-11 | 2012-01-04 | 王钟贤 | Air purification heath protection mud and production process thereof |
| CN103551122A (en) * | 2013-09-25 | 2014-02-05 | 蚌埠德美过滤技术有限公司 | Wheat straw powder modified active carbon adsorbent and preparation method thereof |
| CN104028245A (en) * | 2014-05-12 | 2014-09-10 | 谷屿 | Modified nanometer titanium dioxide with relatively good adsorption effect and preparation method thereof |
| CN105080615A (en) * | 2015-07-29 | 2015-11-25 | 安徽科浦环保科技有限公司 | Adsorption catalyst capable of removing formaldehyde quickly and preparing method thereof |
| CN105921133A (en) * | 2016-07-15 | 2016-09-07 | 江苏省海洋资源开发研究院 | Composite adsorption nano-material and preparation method thereof |
| CN107812511A (en) * | 2017-12-18 | 2018-03-20 | 宁波沈南知识产权运营有限公司 | A kind of nano adsorption material and preparation method thereof |
-
2018
- 2018-06-25 CN CN201810664544.6A patent/CN108855000B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875551A (en) * | 2009-04-28 | 2010-11-03 | 北京泰华美邦建材有限责任公司 | Clay capable of absorbing, purifying and decomposing harmful substances indoors |
| CN102302927A (en) * | 2011-06-11 | 2012-01-04 | 王钟贤 | Air purification heath protection mud and production process thereof |
| CN103551122A (en) * | 2013-09-25 | 2014-02-05 | 蚌埠德美过滤技术有限公司 | Wheat straw powder modified active carbon adsorbent and preparation method thereof |
| CN104028245A (en) * | 2014-05-12 | 2014-09-10 | 谷屿 | Modified nanometer titanium dioxide with relatively good adsorption effect and preparation method thereof |
| CN105080615A (en) * | 2015-07-29 | 2015-11-25 | 安徽科浦环保科技有限公司 | Adsorption catalyst capable of removing formaldehyde quickly and preparing method thereof |
| CN105921133A (en) * | 2016-07-15 | 2016-09-07 | 江苏省海洋资源开发研究院 | Composite adsorption nano-material and preparation method thereof |
| CN107812511A (en) * | 2017-12-18 | 2018-03-20 | 宁波沈南知识产权运营有限公司 | A kind of nano adsorption material and preparation method thereof |
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Inventor after: Liu Bin Inventor after: Sun Yibin Inventor before: Sun Yibin |
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Effective date of registration: 20210129 Address after: 518172 5537, Zhilianjia building, 9002 Longxiang Avenue, Longcheng street, Longgang District, Shenzhen City, Guangdong Province Applicant after: Shenzhen xinquanjing green environmental protection technology Co.,Ltd. Address before: 230000 No.339 Shizhu Road, Hefei Economic Development Zone, Anhui Province Applicant before: HEFEI AIFEI NEW MATERIAL Co.,Ltd. |
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