CN104984745A - Bactericidal composite spherical activated carbon and preparation method thereof - Google Patents
Bactericidal composite spherical activated carbon and preparation method thereof Download PDFInfo
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- CN104984745A CN104984745A CN201510389521.5A CN201510389521A CN104984745A CN 104984745 A CN104984745 A CN 104984745A CN 201510389521 A CN201510389521 A CN 201510389521A CN 104984745 A CN104984745 A CN 104984745A
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Abstract
The invention discloses bactericidal composite spherical activated carbon. The bactericidal composite spherical activated carbon is characterized by being prepared, by weight, by the following raw materials of 45-50 parts of butyl acrylate, 40-43 parts of vinyl butyrate, 1-2 parts of potassium persulfate, 1-2 parts of benzoyl peroxide, 1.5-2 parts of trihydroxymethylpropyl trimethylacrylate, 25-28 parts of ethyl alcohol, 1-2 parts of stearic acid monoethanolamine, appropriate distilled water, appropriate acetone, 25-28 parts of sulfonated asphalt powder, 2-3 parts of silver peroxide, 1-2 parts of gelatin, 3-4 parts of nano-titanium dioxide, 0.4-0.6 part of titanate coupling agent TC-2 and 0.3-0.4 part of sodium tripolyphosphate. According to the bactericidal composite spherical activated carbon and a preparation method thereof, the nano-titanium dioxide and the silver peroxide are added to serve as asphalt coating materials, and good bactericidal and antibacterial functions are achieved; meanwhile, the materials are uniformly distributed on the surfaces of resin polymer pellets, the bactericidal composite spherical activated carbon is in the shape of a sphere with uniform size, the sphere is easy to roll, the ash content is less, the hardness is high, the regeneration is easy, and the bactericidal composite spherical activated carbon is suitable for water treatment.
Description
Technical field
The present invention relates to Material Field, particularly a kind of antibacterial type complex spherical active carbon and preparation method thereof.
Background technology
Spherical activated charcoal, because having that sphericity is good, packed density is high, particles from getting loose is few and the feature such as adsorption desorption speed is fast, has been widely used in the association areas such as medicine, environmental protection and catalyst carrier.Spherical activated charcoal is mainly divided three classes by raw material difference: coal-based spherical activated charcoal, macromolecule resin base globe activated char and asphalt-base spherical activated carbon.Wherein, the advantage of coal-based spherical activated charcoal is that cost of material is cheap, wide material sources, but the ash content of active carbon from coal is high, and impurity is many, and mechanical strength is low, thus limits its application and development.The spherical activated charcoal being precursor power with polymeric resin matrix and pitch is because having that content of ashes is low, Carbon yield is high and the advantage such as pore-size distribution is easy to control and receiving much concern.
Due to the difference on molecular structure, pore passage structure and the mechanical strength of asphalt-base spherical activated carbon and resin based sphere active carbon are different.Asphalt-base spherical activated carbon has the advantages that adsorption capacity is large and adsorption desorption speed is fast, and polymer-based spherical activated charcoal then has larger specific area and higher mechanical strength.If the spherical activated charcoal prepared has both features concurrently, then significant to the expansion of its application.Therefore, developing high-effect pitch, resin compounded spherical activated charcoal is a kind of spherical activated charcoal not only having had quick adsorption desorption performance but also had high mechanical properties, is a kind of excellent absorbent charcoal material.
In adsorption filtration process, often need the effect possessing sterilization, especially when water treatment or air-treatment, the present invention is directed to this demand, technique has been carried out certain modification, and the present invention can either be met, and intensity is high, the feature of quick adsorption, can also meet the effect of sterilization.
Summary of the invention
The object of this invention is to provide a kind of antibacterial type complex spherical active carbon and preparation method thereof.The present invention is by adding in pitch coating liquid by a series of process modification by silver peroxide and nano titanium oxide, simultaneously surperficial in polymer globules by coating load, not only have good compression strength, hardness, have the effect of quick adsorption, the antibacterial effect of sterilization is simultaneously good.
In order to realize object of the present invention, the present invention is by following scheme implementation:
A kind of antibacterial type complex spherical active carbon, be made up of the raw material of following weight portion: butyl propyleneglycol acid esters 45-50, vinyl butyrate 40-43, potassium peroxydisulfate 1-2, benzoyl peroxide 1-2, trimethylolpropane tris (methyl) acrylate 1.5-2, ethanol 25-28, stearic acid MEA 1-2, distilled water in right amount, acetone in proper, sulfonated gilsonite powder 25-28, silver peroxide 2-3, gelatin 1-2, nano titanium oxide 3-4, titanate coupling agent TC-2 0.4-0.6, sodium phosphate trimer 0.3-0.4;
A kind of antibacterial type complex spherical active carbon of the present invention, be made up of following concrete steps:
(1) stearic acid MEA is added in the distilled water of 200 times amount, after being stirred to dissolving with the speed of 600 revs/min, add ethanol slowly successively under nitrogen protection, potassium peroxydisulfate, benzoyl peroxide, trimethylolpropane tris (methyl) acrylate, butyl propyleneglycol acid esters, vinyl butyrate, controlling mixing speed is 1000 revs/min, then 60 DEG C are slowly warming up to, stirring reaction is after 60 minutes, continue to be warming up to 80 DEG C, with the speed stirring reaction 4 hours of 400 revs/min, use filtered on buchner funnel reactant liquor, hard resin ball distilled water is washed 2 times, dry in baking oven at 50 DEG C, in the resin balls of drying, add the acetone of 3 times amount, heating water bath is to 65-75 DEG C while stirring, keeps acetone to be that reflux state stops backflow after 24 hours, then resin balls is taken out, wash 3 times, dry stand-by in the baking oven at 50 DEG C with distilled water,
(2) sulfonated gilsonite powder is added the distilled water washing of 2 times amount, through stirring 60 minutes under rotating speed is the condition of 600 revs/min, supernatant is collected after it leaves standstill, then supernatant is put into baking oven, dry with the temperature of 100 DEG C, then dried supernatant being added the distilled water of 5 times amount, stirring stand-by to dissolving the formation aqueous solution completely;
(3) sodium phosphate trimer is dissolved in the distilled water of 5 times amount, then nano titanium oxide, titanate coupling agent TC-2 is added, put into ball mill, with the temperature ball milling 40 minutes of 50-60 DEG C, then mix with silver peroxide after drying, join in the gelatin being dissolved in 10 times amount distilled water, be stirred to mixed slurry;
(4) aqueous solution that step (2) obtains is mixed with the mixed slurry of step (3), stir with the speed of 600 revs/min and within 30 minutes, form asphaltic base mixing coating solution, the resin balls that step (1) obtains is put into seed-coating machine, the feeding temperature controlling coating solution is 60-80 DEG C, operating pressure is 0.2-0.5MPa, asphaltic base mixing coating solution is wrapped in resin balls surface equably, obtains composite pellets;
(5) composite pellets step (4) obtained is sent in high temperature furnace; under helium protection; 600-650 DEG C is warming up to the speed of 1-2 DEG C/min; insulation charing 2 hours; be warming up to 750-850 DEG C of activation 2 hours again with the speed of 3-4 DEG C/min again, after being cooled to room temperature, obtain the spherical activated charcoal that particle diameter is 0.2-0.8mm.
The invention has the beneficial effects as follows: the present invention with monomer butyl propyleneglycol acid esters, vinyl butyrate etc. for raw material, add the compositions such as pore-foaming agent ethanol obtain different-diameter, different pore size polymer microballoon by the method for suspension polymerisation, again the water-soluble asphaltic base coating solution after process is coated on polymer microballoon surface equably, then after charing, activation, makes surface have black glossy, size evenly and the spherical activated charcoal with high-specific surface area.
The present invention is by adding nano titanium oxide and silver peroxide as pitch coated fertilizer, not only there is good sterilization, antibacterial action, simultaneously homogeneous in the distribution of resin polymerization bead surface, homogeneous spherical sized by product of the present invention, spherical being easy to is rolled, can fill under flow regime, ash content is few, hardness is large, regenerating easily, be suitable as very much the gas treatment etc. of solvent recovery, water treatment, the filler of cigarette filter, the environmental Kuznets Curves, filter etc. of high-cleanness, high.
Specific embodiments
Below by instantiation, the present invention is described in detail.
A kind of antibacterial type complex spherical active carbon, is made up of the raw material of following weight portion (kilogram): butyl propyleneglycol acid esters 45, vinyl butyrate 40, potassium peroxydisulfate 1, benzoyl peroxide 1, trimethylolpropane tris (methyl) acrylate 1.5, ethanol 25, stearic acid MEA 1, distilled water are appropriate, acetone in proper, sulfonated gilsonite powder 25, silver peroxide 2, gelatin 1, nano titanium oxide 3, titanate coupling agent TC-2 0.4, sodium phosphate trimer 0.3;
A kind of antibacterial type complex spherical active carbon of the present invention, be made up of following concrete steps:
(1) stearic acid MEA is added in the distilled water of 200 times amount, after being stirred to dissolving with the speed of 600 revs/min, add ethanol slowly successively under nitrogen protection, potassium peroxydisulfate, benzoyl peroxide, trimethylolpropane tris (methyl) acrylate, butyl propyleneglycol acid esters, vinyl butyrate, controlling mixing speed is 1000 revs/min, then 60 DEG C are slowly warming up to, stirring reaction is after 60 minutes, continue to be warming up to 80 DEG C, with the speed stirring reaction 4 hours of 400 revs/min, use filtered on buchner funnel reactant liquor, hard resin ball distilled water is washed 2 times, dry in baking oven at 50 DEG C, in the resin balls of drying, add the acetone of 3 times amount, heating water bath is to 65-75 DEG C while stirring, keeps acetone to be that reflux state stops backflow after 24 hours, then resin balls is taken out, wash 3 times, dry stand-by in the baking oven at 50 DEG C with distilled water,
(2) sulfonated gilsonite powder is added the distilled water washing of 2 times amount, through stirring 60 minutes under rotating speed is the condition of 600 revs/min, supernatant is collected after it leaves standstill, then supernatant is put into baking oven, dry with the temperature of 100 DEG C, then dried supernatant being added the distilled water of 5 times amount, stirring stand-by to dissolving the formation aqueous solution completely;
(3) sodium phosphate trimer is dissolved in the distilled water of 5 times amount, then nano titanium oxide, titanate coupling agent TC-2 is added, put into ball mill, with the temperature ball milling 40 minutes of 50-60 DEG C, then mix with silver peroxide after drying, join in the gelatin being dissolved in 10 times amount distilled water, be stirred to mixed slurry;
(4) aqueous solution that step (2) obtains is mixed with the mixed slurry of step (3), stir with the speed of 600 revs/min and within 30 minutes, form asphaltic base mixing coating solution, the resin balls that step (1) obtains is put into seed-coating machine, the feeding temperature controlling coating solution is 60-80 DEG C, operating pressure is 0.2MPa, asphaltic base mixing coating solution is wrapped in resin balls surface equably, obtains composite pellets;
(5) composite pellets step (4) obtained is sent in high temperature furnace; under helium protection; 600-650 DEG C is warming up to the speed of 2 DEG C/min; insulation charing 2 hours; be warming up to 750-850 DEG C of activation 2 hours again with the speed of 4 DEG C/min again, after being cooled to room temperature, obtain the spherical activated charcoal that particle diameter is 0.2-0.8mm.
Product of the present invention is the glossiness spherical particle of black bands, detects, specific area 1109m to it
2/ g, mechanical strength is 6.05N.
Claims (2)
1. an antibacterial type complex spherical active carbon, it is characterized in that, be made up of the raw material of following weight portion: butyl propyleneglycol acid esters 45-50, vinyl butyrate 40-43, potassium peroxydisulfate 1-2, benzoyl peroxide 1-2, trimethylolpropane tris (methyl) acrylate 1.5-2, ethanol 25-28, stearic acid MEA 1-2, distilled water are appropriate, acetone in proper, sulfonated gilsonite powder 25-28, silver peroxide 2-3, gelatin 1-2, nano titanium oxide 3-4, titanate coupling agent TC-2 0.4-0.6, sodium phosphate trimer 0.3-0.4.
2. a kind of antibacterial type complex spherical active carbon according to claim 1, is characterized in that, be made up of following concrete steps:
(1) stearic acid MEA is added in the distilled water of 200 times amount, after being stirred to dissolving with the speed of 600 revs/min, add ethanol slowly successively under nitrogen protection, potassium peroxydisulfate, benzoyl peroxide, trimethylolpropane tris (methyl) acrylate, butyl propyleneglycol acid esters, vinyl butyrate, controlling mixing speed is 1000 revs/min, then 60 DEG C are slowly warming up to, stirring reaction is after 60 minutes, continue to be warming up to 80 DEG C, with the speed stirring reaction 4 hours of 400 revs/min, use filtered on buchner funnel reactant liquor, hard resin ball distilled water is washed 2 times, dry in baking oven at 50 DEG C, in the resin balls of drying, add the acetone of 3 times amount, heating water bath is to 65-75 DEG C while stirring, keeps acetone to be that reflux state stops backflow after 24 hours, then resin balls is taken out, wash 3 times, dry stand-by in the baking oven at 50 DEG C with distilled water,
(2) sulfonated gilsonite powder is added the distilled water washing of 2 times amount, through stirring 60 minutes under rotating speed is the condition of 600 revs/min, supernatant is collected after it leaves standstill, then supernatant is put into baking oven, dry with the temperature of 100 DEG C, then dried supernatant being added the distilled water of 5 times amount, stirring stand-by to dissolving the formation aqueous solution completely;
(3) sodium phosphate trimer is dissolved in the distilled water of 5 times amount, then nano titanium oxide, titanate coupling agent TC-2 is added, put into ball mill, with the temperature ball milling 40 minutes of 50-60 DEG C, then mix with silver peroxide after drying, join in the gelatin being dissolved in 10 times amount distilled water, be stirred to mixed slurry;
(4) aqueous solution that step (2) obtains is mixed with the mixed slurry of step (3), stir with the speed of 600 revs/min and within 30 minutes, form asphaltic base mixing coating solution, the resin balls that step (1) obtains is put into seed-coating machine, the feeding temperature controlling coating solution is 60-80 DEG C, operating pressure is 0.2-0.5MPa, asphaltic base mixing coating solution is wrapped in resin balls surface equably, obtains composite pellets;
(5) composite pellets step (4) obtained is sent in high temperature furnace; under helium protection; 600-650 DEG C is warming up to the speed of 1-2 DEG C/min; insulation charing 2 hours; be warming up to 750-850 DEG C of activation 2 hours again with the speed of 3-4 DEG C/min again, after being cooled to room temperature, obtain the spherical activated charcoal that particle diameter is 0.2-0.8mm.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03187908A (en) * | 1989-12-18 | 1991-08-15 | Nippon Carbon Co Ltd | Production of spherical carbon material |
| CN1720801A (en) * | 2004-07-12 | 2006-01-18 | 深圳市清华源兴生物医药科技有限公司 | Silver carried bactericidal active carbon, its preparation process and application |
| CN103641115A (en) * | 2013-11-19 | 2014-03-19 | 苏州丹百利电子材料有限公司 | Preparation method of spherical active carbon |
| CN103693641A (en) * | 2013-12-12 | 2014-04-02 | 天津大学 | Method for preparing spherical active carbon employing water soluble bitumen |
| CN103723729A (en) * | 2013-12-27 | 2014-04-16 | 黑龙江工程学院 | Preparation method of gradient activated carbon |
-
2015
- 2015-07-06 CN CN201510389521.5A patent/CN104984745A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03187908A (en) * | 1989-12-18 | 1991-08-15 | Nippon Carbon Co Ltd | Production of spherical carbon material |
| CN1720801A (en) * | 2004-07-12 | 2006-01-18 | 深圳市清华源兴生物医药科技有限公司 | Silver carried bactericidal active carbon, its preparation process and application |
| CN103641115A (en) * | 2013-11-19 | 2014-03-19 | 苏州丹百利电子材料有限公司 | Preparation method of spherical active carbon |
| CN103693641A (en) * | 2013-12-12 | 2014-04-02 | 天津大学 | Method for preparing spherical active carbon employing water soluble bitumen |
| CN103723729A (en) * | 2013-12-27 | 2014-04-16 | 黑龙江工程学院 | Preparation method of gradient activated carbon |
Non-Patent Citations (1)
| Title |
|---|
| 潘晓勇等: "载银纳米二氧化钛在抗菌塑料中的应用研究进展", 《工程塑料应用》 * |
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