CN104056600A - Modified activated carbon adsorbent and preparation method thereof - Google Patents
Modified activated carbon adsorbent and preparation method thereof Download PDFInfo
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- CN104056600A CN104056600A CN201410250795.1A CN201410250795A CN104056600A CN 104056600 A CN104056600 A CN 104056600A CN 201410250795 A CN201410250795 A CN 201410250795A CN 104056600 A CN104056600 A CN 104056600A
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- activated carbon
- bentonite
- modified activated
- coal
- charcoal
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 103
- 238000002360 preparation method Methods 0.000 title claims description 6
- 239000003463 adsorbent Substances 0.000 title abstract description 10
- 239000000440 bentonite Substances 0.000 claims abstract description 25
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 25
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229920000609 methyl cellulose Polymers 0.000 claims abstract description 22
- 239000001923 methylcellulose Substances 0.000 claims abstract description 22
- 235000013162 Cocos nucifera Nutrition 0.000 claims abstract description 16
- 244000060011 Cocos nucifera Species 0.000 claims abstract description 16
- 239000003245 coal Substances 0.000 claims abstract description 16
- 239000011280 coal tar Substances 0.000 claims abstract description 16
- 238000001354 calcination Methods 0.000 claims abstract description 15
- 239000002245 particle Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 239000007864 aqueous solution Substances 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 238000000227 grinding Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 239000002250 absorbent Substances 0.000 claims description 25
- 230000002745 absorbent Effects 0.000 claims description 25
- 229910052799 carbon Inorganic materials 0.000 claims description 19
- 239000002023 wood Substances 0.000 claims description 16
- 239000003610 charcoal Substances 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 abstract description 12
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052740 iodine Inorganic materials 0.000 abstract description 5
- 239000011630 iodine Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 abstract description 4
- 229960000907 methylthioninium chloride Drugs 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 2
- 235000010981 methylcellulose Nutrition 0.000 abstract 4
- 238000001035 drying Methods 0.000 abstract 2
- 239000010409 thin film Substances 0.000 abstract 1
- 235000012216 bentonite Nutrition 0.000 description 15
- 239000000463 material Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 4
- 239000003053 toxin Substances 0.000 description 4
- 231100000765 toxin Toxicity 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- YIWGJFPJRAEKMK-UHFFFAOYSA-N 1-(2H-benzotriazol-5-yl)-3-methyl-8-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carbonyl]-1,3,8-triazaspiro[4.5]decane-2,4-dione Chemical compound CN1C(=O)N(c2ccc3n[nH]nc3c2)C2(CCN(CC2)C(=O)c2cnc(NCc3cccc(OC(F)(F)F)c3)nc2)C1=O YIWGJFPJRAEKMK-UHFFFAOYSA-N 0.000 description 2
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Abstract
The invention provides a modified activated carbon adsorbent which comprises the following raw materials: coconut shell activated carbon, coal activated carbon, wooden activated carbon, bentonite, coal tar and methyl cellulose. The adsorbent is prepared by the following steps of crushing the bentonite, and calcining the crushed bentonite for 3 to 5 hours at 550 to 650 DEG C; adding the coconut shell activated carbon, the coal activated carbon, the wooden activated carbon, the coal tar and water to prepare a muddy mixture, and grinding and drying the mixture; spray-coating an aqueous solution of methyl cellulose to obtained particles, heating and wrapping the particles with methyl cellulose thin films, and drying the particles. According to the adsorbent, the coconut shell activated carbon, the coal activated carbon and the wooden activated carbon are used as basic activated carbon, and substances such as the bentonite, the coal tar and the methyl cellulose are used for modifying the basic activated carbon to obtain the modified activated carbon adsorbent, so that the adsorbent has high intensity and adsorbability, and the intensity, the iodine adsorption value and methylene blue adsorption value of the adsorbent are far higher than standard values of national wooden water purification first-level activated carbon; raw material sources are extensive, and the cost is low.
Description
Technical field
The present invention relates to modified function Material Field, relate in particular to a kind of modified activated carbon absorbent and preparation method thereof.
Background technology
Along with scientific and technological development, the progressively construction of modernization industry, various chemicals are exploited, and have brought facility, simultaneously because chemicals has produced environment and the harmful material of human body, the problem that has also become people to have to face to people's life.
Current airborne pollutant is mainly the toxic and harmful producing in the gas that produces of industrial fuel burning, vehicle exhaust, production.It is mainly to contain a large amount of noxious materials in the sewage of industrial production discharge that water pollutes, and also has the sewage in people's life to produce a lot of harmful substances.In people's life, also have and many times need to remove toxin, such as air conditioning filter has a lot of bacteriums, toxin on the net, newly-decorated has the harmful substances such as formaldehyde, all needs to remove toxin.All remove at present toxin and often use adsorbent, mainly contain silica gel, activated alumina, active carbon, molecular sieve etc., also have in addition for certain compositional selecting absorption and the sorbing material of development.But the most adsorption capacity of these adsorbents is limited, need to study different adsorbents for different requirements, bring into play best effect.Meanwhile, find new raw material, to strengthen adsorption effect, cost-saving.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, a kind of modified activated carbon absorbent is provided, high adsorption capacity, raw material wide material sources, cost is low.
First aspect of the present invention is to provide a kind of modified activated carbon absorbent, according to parts by weight meter, the raw material of described modified activated carbon absorbent comprises: cocoanut active charcoal 300-500 part, coal mass active carbon 300-500 part, wood activated charcoal 300-500 part, bentonite 50-100 part, coal tar 10-50 part and methylcellulose 1-10 part.
Preferably, the raw material of described modified activated carbon absorbent comprises: cocoanut active charcoal 350-420 part, coal mass active carbon 350-420 part, wood activated charcoal 350-420 part, bentonite 55-80 part, coal tar 30-45 part and methylcellulose 3-8 part.
Further preferably, the raw material of described modified activated carbon absorbent comprises: cocoanut active charcoal 380-400 part, coal mass active carbon 380-400 part, wood activated charcoal 380-400 part, bentonite 60-70 part, coal tar 35-40 part and methylcellulose 4-6 part.
Preferably, described modified activated carbon is prepared from according to following step:
Step 1, pulverizes bentonite, in 550-650 ℃ of calcining furnace, calcines 3-5 hour;
Step 2, takes out the bentonite after calcining, adds cocoanut active charcoal, coal mass active carbon, wood activated charcoal, coal tar and water, and furnishing mud shape grinds 2-3 hour to obtain 200-300 order slurry, dries;
Step 3, processes the aqueous solution of the particle spray coating methylcellulose obtaining, and heats to step 2, make particle parcel one deck methylcellulose film, dries.
Preferably, the grinding in step 2 is to carry out the mixture of mud shape being joined under the condition of 50-70 ℃.
Second aspect of the present invention is to provide the preparation method of the modified activated carbon absorbent that first aspect of a kind of the present invention provides, and comprises the following steps:
1) bentonite is pulverized, in 550-650 ℃ of calcining furnace, calcined 3-5 hour;
2) take out the bentonite after calcining, add cocoanut active charcoal, coal mass active carbon, wood activated charcoal, coal tar and water, furnishing mud shape, grinds 2-3 hour to obtain 200-300 order slurry, dries;
3) to 2) process the aqueous solution of the particle spray coating methylcellulose obtaining, and heat, make particle parcel one deck methylcellulose film, dry.
Preferably, 2) grinding in is to carry out the mixture of mud shape being joined under the condition of 50-70 ℃.
The present invention adopts cocoanut active charcoal, coal mass active carbon and wood activated charcoal as basic active carbon, utilize the materials such as bentonite, coal tar and methylcellulose to carry out modification to basic active carbon and obtain modified activated carbon absorbent, there is good intensity and excellent adsorptivity, its intensity, iodine sorption value and methylene blue adsorption value are far away higher than country's wooden water purification one-level active carbon standard value, and raw material sources are extensive, cost is low.
The specific embodiment
Below in conjunction with concrete embodiment, the present invention will be further described to understand better the present invention.
Embodiment 1
A modified activated carbon absorbent, meter by weight, its constitutive material comprises: 5 parts of 400 parts of cocoanut active charcoals, 400 parts of coal mass active carbons, 400 parts of wood activated charcoals, 65 parts of bentonites, 38 parts, coal tar and methylcellulose.Described modified activated carbon absorbent is prepared from according to following step:
Step 1, pulverizes bentonite, in 600 ℃ of calcining furnaces, calcines 4 hours;
Step 2, takes out the bentonite after calcining, adds cocoanut active charcoal, coal mass active carbon, wood activated charcoal, coal tar and water, and furnishing mud shape is heated to 70 ℃ and grinds 3 hours to obtain 200-300 order slurry, dries;
Step 3, the aqueous solution of the particle spray coating methylcellulose obtaining to step 2 processing, and heating makes particle parcel one deck methylcellulose film, oven dry.
Embodiment 2-7, comparative example 1-9
Embodiment 2-6, comparative example 1-3 are that from the difference of embodiment 1 raw material composition and ratio is different, specifically in Table 1.
Raw material composition and ratio (the unit: weight portion) of table 1 embodiment 2-6 and comparative example 1-3
Embodiment 8
The difference of the present embodiment and embodiment 1 is: step 1, bentonite is pulverized, and in 550 ℃ of calcining furnaces, calcine 5 hours.
Embodiment 9
The difference of the present embodiment and embodiment 1 is: step 1, bentonite is pulverized, and in 650 ℃ of calcining furnaces, calcine 3 hours.
Embodiment 10
The difference of the present embodiment and embodiment 2 is: step 1, bentonite is pulverized, and in 550 ℃ of calcining furnaces, calcine 5 hours.
Embodiment 11
The difference of the present embodiment and embodiment 2 is: step 1, bentonite is pulverized, and in 650 ℃ of calcining furnaces, calcine 3 hours.
Intensity and the adsorptivity of the modified activated carbon absorbent that embodiment 1-11 and comparative example 1-9 are provided detect, testing result is as shown in table 2, wherein intensity detection is with reference to the mensuration > > of GB/T12496.6-1999 < < wood activated charcoal test method intensity, iodine sorption value detects the mensuration > > with reference to GB/T12496.8-1999 < < wood activated charcoal test method iodine sorption value, methylene blue adsorption value detects the mensuration > > with reference to GB/T12496.10-1999 < < wood activated charcoal test method methylene blue adsorption value.
The performance test results of table 2 modified activated carbon absorbent
As shown in Table 2, intensity >=97.4% of modified activated carbon absorbent provided by the invention, far above wooden one-level active carbon standard value 90%; Iodine sorption value >=the 1738mg/g of modified activated carbon absorbent provided by the invention, far above wooden one-level active carbon standard value 1000mg/g; Methylenum careuleum adsorptive value >=the 41.99mL/0.1g of modified activated carbon absorbent provided by the invention, far above wooden one-level active carbon standard value.
Above specific embodiments of the invention be have been described in detail, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and alternative also all among category of the present invention.Therefore, equalization conversion and the modification done without departing from the spirit and scope of the invention, all should contain within the scope of the invention.
Claims (7)
1. a modified activated carbon absorbent, it is characterized in that, according to parts by weight meter, the raw material of described modified activated carbon absorbent comprises: cocoanut active charcoal 300-500 part, coal mass active carbon 300-500 part, wood activated charcoal 300-500 part, bentonite 50-100 part, coal tar 10-50 part and methylcellulose 1-10 part.
2. modified activated carbon absorbent according to claim 1, it is characterized in that, the raw material of described modified activated carbon absorbent comprises: cocoanut active charcoal 350-420 part, coal mass active carbon 350-420 part, wood activated charcoal 350-420 part, bentonite 55-80 part, coal tar 30-45 part and methylcellulose 3-8 part.
3. modified activated carbon absorbent according to claim 2, it is characterized in that, the raw material of described modified activated carbon absorbent comprises: cocoanut active charcoal 380-400 part, coal mass active carbon 380-400 part, wood activated charcoal 380-400 part, bentonite 60-70 part, coal tar 35-40 part and methylcellulose 4-6 part.
4. according to the modified activated carbon absorbent described in any one in claim 1-3, it is characterized in that, described modified activated carbon is prepared from according to following step:
Step 1, pulverizes bentonite, in 550-650 ℃ of calcining furnace, calcines 3-5 hour;
Step 2, takes out the bentonite after calcining, adds cocoanut active charcoal, coal mass active carbon, wood activated charcoal, coal tar and water, and furnishing mud shape grinds 2-3 hour to obtain 200-300 order slurry, dries;
Step 3, processes the aqueous solution of the particle spray coating methylcellulose obtaining, and heats to step 2, make particle parcel one deck methylcellulose film, dries.
5. modified activated carbon absorbent according to claim 4, is characterized in that, the grinding in step 2 is to carry out the mixture of mud shape being joined under the condition of 50-70 ℃.
6. a preparation method for the modified activated carbon absorbent described in any one in claim 1-3, is characterized in that, comprises the following steps:
1) bentonite is pulverized, in 550-650 ℃ of calcining furnace, calcined 3-5 hour;
2) take out the bentonite after calcining, add cocoanut active charcoal, coal mass active carbon, wood activated charcoal, coal tar and water, furnishing mud shape, grinds 2-3 hour to obtain 200-300 order slurry, dries;
3) to 2) process the aqueous solution of the particle spray coating methylcellulose obtain, and heating makes particle parcel one deck methylcellulose film, dries.
7. the grinding preparation method according to claim 6, is characterized in that, 2) is to carry out the mixture of mud shape being joined under the condition of 50-70 ℃.
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Cited By (13)
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|---|---|---|---|---|
| CN104826394A (en) * | 2015-04-21 | 2015-08-12 | 蚌埠德美过滤技术有限公司 | Acid-and-alkali-corrosion resistant adsorption filtration agent and manufacturing method thereof |
| CN104841367A (en) * | 2015-04-29 | 2015-08-19 | 安徽天诚环保机械有限公司 | Composite activated carbon filter material added with nutshell and horseradish and preparation method of filter material |
| CN105964053A (en) * | 2016-06-24 | 2016-09-28 | 马鞍山市顺达环保设备有限公司 | Purifying filter material for boiler dust remover and preparation method of purifying filter material |
| CN107321300A (en) * | 2017-09-01 | 2017-11-07 | 重庆卡美伦科技有限公司合川分公司 | A kind of bentonite of environmentally friendly high absorption property and preparation method thereof |
| CN107469794A (en) * | 2017-09-20 | 2017-12-15 | 江苏科力特环保科技有限公司 | A kind of acticarbon |
| CN107469770A (en) * | 2017-09-18 | 2017-12-15 | 江苏科力特环保科技有限公司 | A kind of acticarbon |
| CN108393070A (en) * | 2018-05-07 | 2018-08-14 | 合肥浦尔菲电线科技有限公司 | A kind of composite efficient adsorbent for purifying water |
| CN108704615A (en) * | 2018-04-20 | 2018-10-26 | 句容市盛达环保净化材料有限公司 | A kind of acticarbon and preparation method thereof |
| CN108745279A (en) * | 2018-04-20 | 2018-11-06 | 句容市盛达环保净化材料有限公司 | A kind of acticarbon and preparation method thereof |
| CN112126574A (en) * | 2020-09-29 | 2020-12-25 | 安徽明光酒业有限公司 | Method for improving clarity of soft white spirit base wine |
| CN112408390A (en) * | 2020-11-20 | 2021-02-26 | 西北化工研究院有限公司 | Method for preparing activated carbon adsorbent from kerosene co-refining residues |
| CN114768763A (en) * | 2022-04-25 | 2022-07-22 | 山西新华防化装备研究院有限公司 | Activated carbon attapulgite composite adsorption material and preparation method thereof |
| CN115624952A (en) * | 2022-09-15 | 2023-01-20 | 城康材料技术有限公司 | Novel carbon material and preparation method and application thereof |
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| CN107321300A (en) * | 2017-09-01 | 2017-11-07 | 重庆卡美伦科技有限公司合川分公司 | A kind of bentonite of environmentally friendly high absorption property and preparation method thereof |
| CN107469770A (en) * | 2017-09-18 | 2017-12-15 | 江苏科力特环保科技有限公司 | A kind of acticarbon |
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| CN108704615A (en) * | 2018-04-20 | 2018-10-26 | 句容市盛达环保净化材料有限公司 | A kind of acticarbon and preparation method thereof |
| CN108393070A (en) * | 2018-05-07 | 2018-08-14 | 合肥浦尔菲电线科技有限公司 | A kind of composite efficient adsorbent for purifying water |
| CN112126574A (en) * | 2020-09-29 | 2020-12-25 | 安徽明光酒业有限公司 | Method for improving clarity of soft white spirit base wine |
| CN112408390A (en) * | 2020-11-20 | 2021-02-26 | 西北化工研究院有限公司 | Method for preparing activated carbon adsorbent from kerosene co-refining residues |
| CN114768763A (en) * | 2022-04-25 | 2022-07-22 | 山西新华防化装备研究院有限公司 | Activated carbon attapulgite composite adsorption material and preparation method thereof |
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