CN105883799B - A kind of activity carbon activity improves method - Google Patents
A kind of activity carbon activity improves method Download PDFInfo
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- CN105883799B CN105883799B CN201610259705.4A CN201610259705A CN105883799B CN 105883799 B CN105883799 B CN 105883799B CN 201610259705 A CN201610259705 A CN 201610259705A CN 105883799 B CN105883799 B CN 105883799B
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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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- 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
- C01P2006/21—Attrition-index or crushing strength of granulates
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Abstract
The present invention relates to activated carbon modified technical fields, especially a kind of active carbon activity improves method, pass through carry out active oxidation effect of the acid to activated carbon, so that the activity pretreatment of activated carbon, after pore creating material and solvent are configured to solution again, it is processed to acidification material, so as to increase the Kong Rong of activated carbon, improve the specific surface area of activated carbon, further under vacuum conditions, cryogenic thermostat processing, heating high-temperature process is carried out again, so that the wear-resistant strength of activated carbon is fixed, specific surface area is stablized, so that the activity of activated carbon product is improved, improve the quality of activated carbon.
Description
Technical field
The present invention relates to activated carbon modified technical field, especially a kind of active carbon activity improves method.
Background technology
Activated carbon is one of common adsorbent, the hydrogen in food hygiene, medical treatment, catalysis, nitrogen production by air separation, oven gas
Recycling etc. be widely used, absorption property is largely decided by its pore property.Activated carbon
Distribution of pores is in three dispersing type, i.e. macropore, mesoporous and micropore accounts for certain proportion.However, this three dispersions molded breadth of activated carbon
Distributed aperture structure so that the activity of activated carbon shows different states, and then constrains activated carbon to a certain extent and exist
The application in certain fields.Therefore, with increase in demand of the society to Special adsorbent, improve the activity of activated carbon so as to work
Property the specific surface area of charcoal, hole hold and carry out improvement processing, to reach the activity for improving activated carbon, become activated carbon product research
Main thought.
But the activity of activated carbon is improved in the prior art is inactivated for the activated carbon of inactivation or half mostly
The ingredient that is adsorbed in activated carbon capillary of activated carbon remove after so that its activity is improved, and there is no documents pair
After activated carbon or activated carbon raw material are modified processing in itself so that the technical literature that the activity of activated carbon is improved is public
It opens.
Invention content
In order to solve the above technical problems existing in the prior art, the present invention provides a kind of active carbon activity raising side
Method.
It is achieved particular by following technical scheme：
A kind of activity carbon activity improves method, includes the following steps：
1) after pore creating material is mixed with solvent, 3~15h of dissolution process obtains solution；
2) it after mixing activated carbon or activated carbon raw material with acid, is stirred for uniformly, and uses ultrasonication 1-3h, obtain
To acidification material；
3) will acidification material be placed in solution, stir evenly, use micro-wave oven be warming up to temperature for 40-70 DEG C handle 3~
15h obtains initial material；
4) initial material is placed in vacuum degree under 0.02-0.08MPa, temperature to be used to handle 1-3h for 70-90 DEG C of constant temperature and pressure,
It obtains and expects again；
5) it will expect to handle 10-20min at 150 DEG C again, then temperature is controlled to be warming up to 900 DEG C, then constant temperature processing 1- in 6h
3h obtains just finished product；
6) first finished product is cooled in 10h to room temperature, and cleans, is classified, packaging and storage.
The pore creating material is one kind in polyethylene glycol, polyvinyl alcohol, polyvinyl butyral.
The solvent is C1~C8Alcohol in one kind or deionized water.
The dissolving, temperature are 50-80 DEG C.
The pore creating material and the mixing ratio of solvent are 7~11: 35~55 by quality ratio.
The acid is oxidizing acid.
The acid is the nitric acid that mass concentration is 5-65%.
The step 2) mixes activated carbon or activated carbon raw material with acid, and mixing ratio is 1~3: 0.2 by quality ratio
~0.5.
The ultrasonic wave, frequency 10-300Hz.
The micro-wave oven, frequency 40-90Hz.
The researcher of the present invention carries out embodiment 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5 at active raising
The wear-resistant strength of the activated carbon of reason, specific surface area, product between 1-5nm Kong Rong, 5-20nm product Kong Rongjin
Row detection statistics；And also to the wear-resistant strength of pending activated carbon or activated carbon raw material, specific surface area, between 1-5nm
The Kong Rong of product, statistics is detected, and the conclusion of above-mentioned sample is compared in the Kong Rong of the product of 5-20nm, result
As shown in table 1：
Table 1
It is shown by the data in table 1, active carbon activity of the invention improves method, can be effectively so that the work of activated carbon
Property improve so that its specific surface area increase at least 6m2/ g, the activity of the activated carbon product of various different-grain diameters have by a relatively large margin
Raising, and then the effective activity for improving activated carbon.
The present invention is the carry out active oxidation effect to activated carbon by acid so that the activity pretreatment of activated carbon, then will
After pore creating material is configured to solution with solvent, it is processed to acidification material so that it can increase the Kong Rong of activated carbon, improve activity
The specific surface area of charcoal, further under vacuum conditions, cryogenic thermostat processing, then carry out heating high-temperature process so that activated carbon
Wear-resistant strength fixed, specific surface area stablize so that the activity of activated carbon product is improved, and improves activated carbon
Quality.
Processing step in technical scheme of the present invention is simple, and parameter is easily controllable, and mode of operation is simple.
Specific embodiment
It is limited with reference to specific embodiment technical scheme of the present invention is further, but claimed
Range is not only limited to made description.
Embodiment 1
A kind of activity carbon activity improves method, includes the following steps：
1) after pore creating material is mixed with solvent, dissolution process 3h obtains solution；
2) it after activated carbon is mixed with acid, is stirred for uniformly, and uses ultrasonication 1h, obtain acidification material；
3) acidification material is placed in solution, stirred evenly, micro-wave oven is used to be warming up to temperature as 40 DEG C of processing 3h, is obtained just
Material；
4) initial material is placed in vacuum degree under 0.02MPa, temperature to be used to handle 1h for 70 DEG C of constant temperature and pressures, obtains multiple material；
5) it will expect to handle 10min at 150 DEG C again, then temperature is controlled to be warming up to 900 DEG C, then constant temperature processing 1h in 6h, obtain
To first finished product；
6) first finished product is cooled in 10h to room temperature, and cleans, is classified, packaging and storage.
The pore creating material is polyethylene glycol.
The solvent is deionized water.
The dissolving, temperature are 50 DEG C.
The pore creating material and the mixing ratio of solvent are 1: 5 by quality ratio.
The acid is the nitric acid that mass concentration is 5%.
The step 2) mixes activated carbon or activated carbon raw material with acid, and mixing ratio is 1: 0.2 by quality ratio.
The ultrasonic wave, frequency 10Hz.
The micro-wave oven, frequency 40Hz.
Embodiment 2
A kind of activity carbon activity improves method, includes the following steps：
1) after pore creating material is mixed with solvent, dissolution process 15h obtains solution；
2) it after activated carbon raw material is mixed with acid, is stirred for uniformly, and uses ultrasonication 3h, obtain acidulants
Material；
3) acidification material is placed in solution, stirred evenly, micro-wave oven is used to be warming up to temperature as 70 DEG C of processing 15h, is obtained
Initial material；
4) initial material is placed in vacuum degree under 0.08MPa, temperature to be used to handle 3h for 90 DEG C of constant temperature and pressures, obtains multiple material；
5) it will expect to handle 20min at 150 DEG C again, then temperature is controlled to be warming up to 900 DEG C, then constant temperature processing 3h in 6h, obtain
To first finished product；
6) first finished product is cooled in 10h to room temperature, and cleans, is classified, packaging and storage.
The pore creating material is polyvinyl alcohol.
The solvent is methanol.
The dissolving, temperature are 80 DEG C.
The pore creating material and the mixing ratio of solvent are 11: 35 by quality ratio.
The acid is the nitric acid that mass concentration is 65%.
The step 2) mixes activated carbon or activated carbon raw material with acid, and mixing ratio is 3: 0.5 by quality ratio.
The ultrasonic wave, frequency 300Hz.
The micro-wave oven, frequency 90Hz.
Embodiment 3
A kind of activity carbon activity improves method, includes the following steps：
1) after pore creating material is mixed with solvent, dissolution process 11h obtains solution；
2) it after activated carbon is mixed with acid, is stirred for uniformly, and uses ultrasonication 2h, obtain acidification material；
3) acidification material is placed in solution, stirred evenly, micro-wave oven is used to be warming up to temperature as 50 DEG C of processing 5h, is obtained just
Material；
4) initial material is placed in vacuum degree under 0.07MPa, temperature to be used to handle 2h for 80 DEG C of constant temperature and pressures, obtains multiple material；
5) it will expect to handle 15min at 150 DEG C again, then temperature is controlled to be warming up to 900 DEG C, then constant temperature processing 2h in 6h, obtain
To first finished product；
6) first finished product is cooled in 10h to room temperature, and cleans, is classified, packaging and storage.
The pore creating material is polyvinyl butyral.
The solvent is propyl alcohol.
The dissolving, temperature are 70 DEG C.
The pore creating material and the mixing ratio of solvent are 9: 40 by quality ratio.
The acid is the nitric acid that mass concentration is 35%.
The step 2) mixes activated carbon or activated carbon raw material with acid, and mixing ratio is 2: 0.3 by quality ratio.
The ultrasonic wave, frequency 100Hz.
The micro-wave oven, frequency 70Hz.
Embodiment 4
A kind of activity carbon activity improves method, includes the following steps：
1) after pore creating material is mixed with solvent, dissolution process 3h obtains solution；
2) it after activated carbon raw material is mixed with acid, is stirred for uniformly, and uses ultrasonication 3h, obtain acidulants
Material；
3) acidification material is placed in solution, stirred evenly, micro-wave oven is used to be warming up to temperature as 40 DEG C of processing 15h, is obtained
Initial material；
4) initial material is placed in vacuum degree under 0.08MPa, temperature to be used to handle 3h for 70 DEG C of constant temperature and pressures, obtains multiple material；
5) it will expect to handle 10min at 150 DEG C again, then temperature is controlled to be warming up to 900 DEG C, then constant temperature processing 1h in 6h, obtain
To first finished product；
6) first finished product is cooled in 10h to room temperature, and cleans, is classified, packaging and storage.
The pore creating material is polyvinyl butyral.
The solvent is amylalcohol.
The dissolving, temperature are 70 DEG C.
The pore creating material and the mixing ratio of solvent are 10: 47 by quality ratio.
The acid is the sulfuric acid that mass concentration is 88%.
The step 2) mixes activated carbon or activated carbon raw material with acid, and mixing ratio is 1: 0.5 by quality ratio.
The ultrasonic wave, frequency 200Hz.
The micro-wave oven, frequency 60Hz.
Embodiment 5
A kind of activity carbon activity improves method, includes the following steps：
1) after pore creating material is mixed with solvent, dissolution process 15h obtains solution；
2) it after activated carbon is mixed with acid, is stirred for uniformly, and uses ultrasonication 1h, obtain acidification material；
3) acidification material is placed in solution, stirred evenly, micro-wave oven is used to be warming up to temperature as 60 DEG C of processing 11h, is obtained
Initial material；
4) initial material is placed in vacuum degree under 0.03MPa, temperature to be used to handle 2h for 75 DEG C of constant temperature and pressures, obtains multiple material；
5) it will expect to handle 15min at 150 DEG C again, then temperature is controlled to be warming up to 900 DEG C, then constant temperature processing 2h in 6h, obtain
To first finished product；
6) first finished product is cooled in 10h to room temperature, and cleans, is classified, packaging and storage.
The pore creating material is polyethylene glycol.
The solvent is isoamyl alcohol.
The dissolving, temperature are 75 DEG C.
The pore creating material and the mixing ratio of solvent are 8: 53 by quality ratio.
The acid is the nitric acid that mass concentration is 25%.
The step 2) mixes activated carbon or activated carbon raw material with acid, and mixing ratio is 2: 0.5 by quality ratio.
The ultrasonic wave, frequency 50Hz.
The micro-wave oven, frequency 70Hz.
Claims (8)
1. a kind of activity carbon activity improves method, which is characterized in that includes the following steps：
1) after pore creating material is mixed with solvent, 3~15h of dissolution process obtains solution；The pore creating material and the mixing ratio of solvent
It is 7~11 by quality ratio：35~55；
2) it after mixing activated carbon or activated carbon raw material with acid, is stirred for uniformly, and uses ultrasonication 1-3h, obtain acid
Compound material；
3) acidification material is placed in solution, stirred evenly, micro-wave oven is used to be warming up to temperature as 40-70 DEG C of 3~15h of processing,
Obtain initial material；
4) initial material is placed in vacuum degree under 0.02-0.08MPa, temperature to be used to handle 1-3h for 70-90 DEG C of constant temperature and pressure, must be answered
Material；
5) it will expect to handle 10-20min at 150 DEG C again, then temperature is controlled to be warming up to 900 DEG C, then constant temperature processing 1-3h in 6h, obtain
To first finished product；
6) first finished product is cooled in 10h to room temperature, and cleans, is classified, packaging and storage；
The step 2) mixes activated carbon or activated carbon raw material with acid, and mixing ratio is 1~3 by quality ratio:0.2~
0.5。
2. activity carbon activity as described in claim 1 improves method, which is characterized in that the pore creating material is poly- second two
One kind in alcohol, polyvinyl alcohol, polyvinyl butyral.
3. activity carbon activity as described in claim 1 improves method, which is characterized in that the solvent is C1~C8Alcohol in
One kind or deionized water.
4. activity carbon activity as described in claim 1 improves method, which is characterized in that the dissolving, temperature 50-80
℃。
5. activity carbon activity as described in claim 1 improves method, which is characterized in that the acid is oxidizing acid.
6. the active carbon activity as described in claim 1 or 5 improves method, which is characterized in that the acid is that mass concentration is
The nitric acid of 5-65%.
7. activity carbon activity as described in claim 1 improves method, which is characterized in that the ultrasonic wave, frequency 10-
300Hz。
8. activity carbon activity as described in claim 1 improves method, which is characterized in that the micro-wave oven, frequency 40-
90Hz。
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| CN106986337A (en) * | 2016-12-23 | 2017-07-28 | 镇江华域环保设备制造有限公司 | A kind of preparation method of air cleaning porous activated carbon |
| CN107200327A (en) * | 2017-04-19 | 2017-09-26 | 句容市百诚活性炭有限公司 | A kind of regenerated carbon preparation method |
| CN107602239B (en) * | 2017-10-16 | 2021-06-08 | 乌鲁木齐好到家农业科技有限公司 | Soil nutrient activating agent suitable for saline-alkali soil improvement and preparation method thereof |
| CN108686620B (en) * | 2018-05-04 | 2020-11-10 | 同济大学 | Active carbon modification method capable of effectively increasing number of positive charge groups on surface of pore channel |
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| CN1669919A (en) * | 2005-02-28 | 2005-09-21 | 昆明理工大学 | Method for producing mesopore activated carbon |
| CN101070156A (en) * | 2007-06-08 | 2007-11-14 | 山东大学 | Method for preparing active charcoal of poly gonum orientale straw stem |
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| CN101618871A (en) * | 2009-03-27 | 2010-01-06 | 新疆大学 | Method for preparing active carbon by apricot shell |
| CN102205961A (en) * | 2011-03-10 | 2011-10-05 | 大连理工大学 | Method for adjusting pore structure of activated carbon |
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| JP5344972B2 (en) * | 2009-04-10 | 2013-11-20 | Ｊｘ日鉱日石エネルギー株式会社 | Carbon material for electric double layer capacitor electrode and manufacturing method thereof |
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|---|---|---|---|---|
| CN1669919A (en) * | 2005-02-28 | 2005-09-21 | 昆明理工大学 | Method for producing mesopore activated carbon |
| CN101070156A (en) * | 2007-06-08 | 2007-11-14 | 山东大学 | Method for preparing active charcoal of poly gonum orientale straw stem |
| CN101092239A (en) * | 2007-06-25 | 2007-12-26 | 高凤仙 | Method for preparing super active carbon based on hickory with coal being adulterated |
| CN101269345A (en) * | 2008-05-08 | 2008-09-24 | 郴州高鑫铂业有限公司 | Oxidation treatment method for carrier carbon surface |
| CN101618871A (en) * | 2009-03-27 | 2010-01-06 | 新疆大学 | Method for preparing active carbon by apricot shell |
| CN102205961A (en) * | 2011-03-10 | 2011-10-05 | 大连理工大学 | Method for adjusting pore structure of activated carbon |
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Denomination of invention: Method for improving activity of activated carbon Effective date of registration: 20200521 Granted publication date: 20180629 Pledgee: Liupanshui Rural Commercial Bank Co., Ltd Pledgor: GUIZHOU ANKAIDA INDUSTRIAL Co.,Ltd. Registration number: Y2020520000007 |
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