CN106276891A - A kind of method preparing activated carbon for raw material with oil-tea camellia husks - Google Patents
A kind of method preparing activated carbon for raw material with oil-tea camellia husks Download PDFInfo
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- CN106276891A CN106276891A CN201610613177.8A CN201610613177A CN106276891A CN 106276891 A CN106276891 A CN 106276891A CN 201610613177 A CN201610613177 A CN 201610613177A CN 106276891 A CN106276891 A CN 106276891A
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- activated carbon
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- tea camellia
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/14—Pore volume
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Abstract
The invention provides a kind of method preparing activated carbon for raw material with oil-tea camellia husks; first take oil-tea camellia husks; broken; shell granule is placed in carbonization in steam activation device; it is passed through steam intensification activation; again gained activated carbon crude product part is mixed with acetic acid solution, mannitol, soybean lecithin, 2 acrylamide 2 methyl propane sulfonic acids, phenolic resin; 40 50 DEG C of dipping 3 6h; it is dried; finally modification crude product is mixed with sodium bicarbonate, be warming up to 600 900 DEG C of activation 60 90min under nitrogen protection, be cooled to room temperature; boiling water boiling is washed, is dried, and to obtain final product.The activated carbon that the present invention prepares has abundant central hole structure, good adsorption performance, methylene blue adsorption value 339mg/g, iodine sorption value 1401mg/g, B.E.T specific surface area 1714m2/g。
Description
Technical field
The invention belongs to activated carbon preparing technical field, be specifically related to a kind of prepare activated carbon with oil-tea camellia husks for raw material
Method.
Background technology
Oil tea is China distinctive woody edible oil material seeds, abounds with in south China each province, is mainly distributed on Hunan, river
The provinces and regions such as west, Guangxi, Guangdong, Zhejiang, Guizhou, Yunnan.Property of Tea oil Tree Fruit is made up of oil-tea camellia husks and seed two parts.Oil-tea camellia husks
Accounting for more than the 60% of whole Property of Tea oil Tree Fruit quality, its constituent contains the classes such as cellulose, hemicellulose, lignin and tannin
Material.According to statistics, national existing oil tea cultivated area reaches 4,000,000 hectares, produces camellia oleifera fruit Star more than 560 ten thousand tons, this river band per year
Carry out the oil-tea camellia husks of more than 300 ten thousand tons.Kernel is used to be processed into Oleum Camelliae, and shell often becomes residue and is dropped, not yet
To effectively utilizing.Therefore, how to make full use of this garbage and prepare high value added product, it is achieved intensive manufacture, be oil tea
One of emphasis of industrial research.
The porous charcoal material that activated carbon is made up through carbonization, activating process of carbonaceous organic material, has preferably choosing
Selecting property absorption affinity, is widely used in the fields such as decolouring, water purification, is one of chemical products important in national economy.Different lifes
Product method can prepare the activated carbon product of different pore structures, and its characterization of adsorption is the most different.The micropore of steam method activated carbon
More, it is suitable for absorption small molecular weight impurity.The mesopore of activated carbon of phosphoric acid method is more, is suitable for absorption macromole impurity, again because of phosphoric acid method
Produce less pollution, it has also become American industry produces the main method of activated carbon.Due in the industrial wastewater of actual treatment, impurity
Molecular size is complicated, so the activated carbon being applied to process industrial wastewater requires to be provided simultaneously with micropore and mesopore.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art to provide a kind of and prepare activated carbon with oil-tea camellia husks for raw material
Method, gained activated carbon has abundant central hole structure, good adsorption performance.
A kind of method preparing activated carbon for raw material with oil-tea camellia husks, comprises the following steps:
Step 1, takes oil-tea camellia husks, broken, obtains shell granule；
Step 2, is placed in carbonization in steam activation device by shell granule, is passed through steam intensification activation, obtains activated carbon thick
Product；
Step 3, in parts by weight, by activated carbon crude product 10 parts and acetic acid solution 20-30 part, mannitol 3-7 part, soybean lecithin
0.5-1.2 part, 2-acrylamide-2-methyl propane sulfonic 0.1-0.5 part, the mixing of phenolic resin 0.4-0.6 part, 40-50 DEG C of dipping
3-6h, is dried, and obtains modified crude product；
Step 4, in parts by weight, mixes modification crude product 10 parts with sodium bicarbonate 0.5-1.2 part, is warming up under nitrogen protection
600-900 DEG C of activation 60-90min, is cooled to room temperature, and boiling water boiling is washed, is dried, and to obtain final product.
Further, in step 1 shell granular size at 2-4mm.
Further, in step 2, carbonization temperature is 400-500 DEG C, 60-90min.
Further, in step 2 steam consumption be 60-80mL/min, soak time be 90-130min, activation temperature
For 800-900 DEG C.
Further, in step 4, heating rate is 10-20 DEG C/min.
Further, it is placed in again after step 2 needing to mix shell granule by weight 10:0.8-3.2 with mannitol
Carbonization in steam activation device.
The activated carbon that the present invention prepares has abundant central hole structure, good adsorption performance, methylene blue adsorption value
339mg/g, iodine sorption value 1401mg/g, B.E.T specific surface area 1714m2/g。
Detailed description of the invention
Embodiment 1
A kind of method preparing activated carbon for raw material with oil-tea camellia husks, comprises the following steps:
Step 1, takes oil-tea camellia husks, broken, obtains shell granule；
Step 2, is placed in carbonization in steam activation device by shell granule, is passed through steam intensification activation, obtains activated carbon thick
Product；
Step 3, in parts by weight, by activated carbon crude product 10 parts and acetic acid solution 20 parts, 3 parts of mannitol, soybean lecithin 0.5
Part, 2-acrylamide-2-methyl propane sulfonic 0.1 part, the mixing of 0.4 part of phenolic resin, 40 DEG C of dipping 6h, it is dried, obtains modified thick
Product；
Step 4, in parts by weight, mixes modification crude product 10 parts and sodium bicarbonate 0.5 part, is warming up to 600 DEG C under nitrogen protection
Activation 90min, is cooled to room temperature, and boiling water boiling is washed, is dried, and to obtain final product.
Wherein, in step 1 shell granular size at 2-4mm；In step 2, carbonization temperature is 400 DEG C, 90min, and steam is used
Amount is 60mL/min, soak time is 90min, activation temperature is 900 DEG C；In step 4, heating rate is 10 DEG C/min.
Embodiment 2
A kind of method preparing activated carbon for raw material with oil-tea camellia husks, comprises the following steps:
Step 1, takes oil-tea camellia husks, broken, obtains shell granule；
Step 2, is placed in carbonization in steam activation device by shell granule, is passed through steam intensification activation, obtains activated carbon thick
Product；
Step 3, in parts by weight, by activated carbon crude product 10 parts and acetic acid solution 23 parts, 4 parts of mannitol, soybean lecithin 0.8
Part, 2-acrylamide-2-methyl propane sulfonic 0.2 part, the mixing of 0.5 part of phenolic resin, 45 DEG C of dipping 4h, it is dried, obtains modified thick
Product；
Step 4, in parts by weight, mixes modification crude product 10 parts and sodium bicarbonate 0.9 part, is warming up to 700 DEG C under nitrogen protection
Activation 80min, is cooled to room temperature, and boiling water boiling is washed, is dried, and to obtain final product.
Wherein, in step 1 shell granular size at 2-4mm；In step 2, carbonization temperature is 450 DEG C, 70min, and steam is used
Amount is 70mL/min, soak time is 100min, activation temperature is 900 DEG C；In step 4, heating rate is 10 DEG C/min.
Embodiment 3
A kind of method preparing activated carbon for raw material with oil-tea camellia husks, comprises the following steps:
Step 1, takes oil-tea camellia husks, broken, obtains shell granule；
Step 2, is placed in carbonization in steam activation device by shell granule, is passed through steam intensification activation, obtains activated carbon thick
Product；
Step 3, in parts by weight, by activated carbon crude product 10 parts and acetic acid solution 27 parts, 6 parts of mannitol, soybean lecithin 0.9
Part, 2-acrylamide-2-methyl propane sulfonic 0.4 part, the mixing of 0.4 part of phenolic resin, 40 DEG C of dipping 6h, it is dried, obtains modified thick
Product；
Step 4, in parts by weight, mixes modification crude product 10 parts and sodium bicarbonate 0.9 part, is warming up to 600 DEG C under nitrogen protection
Activation 90min, is cooled to room temperature, and boiling water boiling is washed, is dried, and to obtain final product.
Wherein, in step 1 shell granular size at 2-4mm；In step 2, carbonization temperature is 400 DEG C, 90min, and steam is used
Amount is 60mL/min, soak time is 90min, activation temperature is 900 DEG C；In step 4, heating rate is 10 DEG C/min.
Embodiment 4
A kind of method preparing activated carbon for raw material with oil-tea camellia husks, comprises the following steps:
Step 1, takes oil-tea camellia husks, broken, obtains shell granule；
Step 2, is placed in carbonization in steam activation device by shell granule, is passed through steam intensification activation, obtains activated carbon thick
Product；
Step 3, in parts by weight, by activated carbon crude product 10 parts and acetic acid solution 30 parts, 7 parts of mannitol, soybean lecithin 1.2
Part, 2-acrylamide-2-methyl propane sulfonic 0.5 part, the mixing of 0.6 part of phenolic resin, 50 DEG C of dipping 3h, it is dried, obtains modified thick
Product；
Step 4, in parts by weight, mixes modification crude product 10 parts and sodium bicarbonate 1.2 parts, is warming up to 900 DEG C under nitrogen protection
Activation 60min, is cooled to room temperature, and boiling water boiling is washed, is dried, and to obtain final product.
Wherein, in step 1 shell granular size at 2-4mm；In step 2, carbonization temperature is 500 DEG C, 60min, and steam is used
Amount is 80mL/min, soak time is 130min, activation temperature is 800 DEG C；In step 4, heating rate is 20 DEG C/min.
Embodiment 5
The present embodiment is in step 2 to need shell granule and mannitol 10:0.8-by weight with the difference of embodiment 2
Carbonization in steam activation device it is placed in again after 3.2 mixing.
A kind of method preparing activated carbon for raw material with oil-tea camellia husks, comprises the following steps:
Step 1, takes oil-tea camellia husks, broken, obtains shell granule；
Step 2, in parts by weight, mixes 2.1 parts of shell granule 10 parts and mannitol, and mixture is placed in steam activation device
Middle carbonization, is passed through steam intensification activation, obtains activated carbon crude product；
Step 3, in parts by weight, by activated carbon crude product 10 parts and acetic acid solution 23 parts, 4 parts of mannitol, soybean lecithin 0.8
Part, 2-acrylamide-2-methyl propane sulfonic 0.2 part, the mixing of 0.5 part of phenolic resin, 45 DEG C of dipping 4h, it is dried, obtains modified thick
Product；
Step 4, in parts by weight, mixes modification crude product 10 parts and sodium bicarbonate 0.9 part, is warming up to 700 DEG C under nitrogen protection
Activation 80min, is cooled to room temperature, and boiling water boiling is washed, is dried, and to obtain final product.
Wherein, in step 1 shell granular size at 2-4mm；In step 2, carbonization temperature is 450 DEG C, 70min, and steam is used
Amount is 70mL/min, soak time is 100min, activation temperature is 900 DEG C；In step 4, heating rate is 10 DEG C/min.
Embodiment 1 to 5 gained activated carbon is carried out performance test, and result is as follows:
As seen from the above table, the activated carbon that the present invention prepares has abundant mesopore, good adsorption performance, methylene blue adsorption number
Value 339mg/g, iodine sorption value 1401mg/g, B.E.T specific surface area 1714m2/g.Embodiment 5 adds mannitol, can subtract
Few oil-tea camellia husks natural porous structural damage, the pore structure of the abundantest activated carbon.
Claims (6)
1. the method preparing activated carbon for raw material with oil-tea camellia husks, it is characterised in that: comprise the following steps:
Step 1, takes oil-tea camellia husks, broken, obtains shell granule；
Step 2, is placed in carbonization in steam activation device by shell granule, is passed through steam intensification activation, obtains activated carbon thick
Product；
Step 3, in parts by weight, by activated carbon crude product 10 parts and acetic acid solution 20-30 part, mannitol 3-7 part, soybean lecithin
0.5-1.2 part, 2-acrylamide-2-methyl propane sulfonic 0.1-0.5 part, the mixing of phenolic resin 0.4-0.6 part, 40-50 DEG C of dipping
3-6h, is dried, and obtains modified crude product；
Step 4, in parts by weight, mixes modification crude product 10 parts with sodium bicarbonate 0.5-1.2 part, is warming up under nitrogen protection
600-900 DEG C of activation 60-90min, is cooled to room temperature, and boiling water boiling is washed, is dried, and to obtain final product.
The method preparing activated carbon for raw material with oil-tea camellia husks the most according to claim 1, it is characterised in that: in step 1
Shell granular size is at 2-4mm.
The method preparing activated carbon for raw material with oil-tea camellia husks the most according to claim 1, it is characterised in that: in step 2
Carbonization temperature is 400-500 DEG C, 60-90min.
The method preparing activated carbon for raw material with oil-tea camellia husks the most according to claim 1, it is characterised in that: in step 2
Steam consumption is 60-80mL/min, soak time is 90-130min, activation temperature is 800-900 DEG C.
The method preparing activated carbon for raw material with oil-tea camellia husks the most according to claim 1, it is characterised in that: in step 4
Heating rate is 10-20 DEG C/min.
The method preparing activated carbon for raw material with oil-tea camellia husks the most according to claim 1, it is characterised in that: in step 2
Carbonization in steam activation device it is placed in again after needing to mix shell granule by weight 10:0.8-3.2 with mannitol.
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Cited By (4)
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|---|---|---|---|---|
| CN107488503A (en) * | 2017-08-26 | 2017-12-19 | 中山大学惠州研究院 | A kind of method using the pure physical refining camellia seed oil of three-level molecular clock |
| CN108358202A (en) * | 2018-05-07 | 2018-08-03 | 句容市兴武包装有限公司 | A method of preparing activated carbon using deinking sludge |
| CN110586033A (en) * | 2019-09-18 | 2019-12-20 | 广西博世科环保科技股份有限公司 | Preparation method of mixed carbon-based adsorption material for groundwater remediation |
| CN117046463A (en) * | 2023-10-13 | 2023-11-14 | 广东韩研活性炭科技股份有限公司 | Modified activated carbon catalyst and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107488503A (en) * | 2017-08-26 | 2017-12-19 | 中山大学惠州研究院 | A kind of method using the pure physical refining camellia seed oil of three-level molecular clock |
| CN108358202A (en) * | 2018-05-07 | 2018-08-03 | 句容市兴武包装有限公司 | A method of preparing activated carbon using deinking sludge |
| CN110586033A (en) * | 2019-09-18 | 2019-12-20 | 广西博世科环保科技股份有限公司 | Preparation method of mixed carbon-based adsorption material for groundwater remediation |
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Application publication date: 20170104 |