CN103058185A - Production method of mesopore-developed steam-activated artificial granular activated carbon - Google Patents
Production method of mesopore-developed steam-activated artificial granular activated carbon Download PDFInfo
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- CN103058185A CN103058185A CN2011103324511A CN201110332451A CN103058185A CN 103058185 A CN103058185 A CN 103058185A CN 2011103324511 A CN2011103324511 A CN 2011103324511A CN 201110332451 A CN201110332451 A CN 201110332451A CN 103058185 A CN103058185 A CN 103058185A
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- calcium
- tackiness agent
- gac
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Abstract
The invention provides a production method of mesopore-developed steam-activated artificial granular activated carbon by using wood dust and the like as raw materials. The production method is characterized by comprising the following steps: by using nano calcium carbonate as a framework filler, kneading with wood dust and other raw materials as well as an adhesive, granulating, drying, pre-carbonizing, activating, boiling in acid, rinsing, drying and the like to obtain the finished product activated carbon.
Description
Ji Intraoperative field
The present invention relates to the Activated Carbon Production field, particularly the artificial granulated active carbon production method of the flourishing steam activation of a kind of mesopore.
Ji Intraoperative background
For the requirement to environment protection, Activated Carbon Production is just progressively from adopting zinc chloride, phosphoric acid etc. to do the chemical method production of activator, turn to the Physical production of adopting water vapour etc. to make activator, just adopt the raw material physical activation method activation such as wood chip, can only output contain the micropore gac, the gac mesopore is undeveloped, is not suitable for liquid phase environment and uses; Have shell raw material production Physical indefinite form granular active carbons such as utilizing coconut husk only, flourishing mesopore is just arranged; For recovered carbon being considered easily granular active carbon more is received by the market than powdered active carbon at present, be subjected to the resource limit such as coconut husk, Physical is produced the granular active carbon of mesopore prosperity, the own Bu Neng Full foot market requirement; Be necessary to develop a kind of used water steam with raw materials such as wood chips etc. for this reason and make the artificial granulated active carbon that flourishing mesopore is arranged again of activator Physical production.Patent of invention 03125474.8 " wooden vehicular active carbon and preparation method thereof " has been introduced wood material artificial granulation method; but employing chemical activation method; patent of invention 201010163314.5 " a kind of technique of utilizing physical activation method to produce gac " has also been introduced the Physical production method that artificial granulation and water vapour etc. are made activator; but be not solve a key problem: activated carbon product will have is enough to the flourishing mesopore compared with chemical method, thus the artificial Ke grain Huo Tan Full foot market demand that the instead of chemical method is produced.
Invention Inner holds
The present invention proposes a kind of method for prodn. of activated carbon of artificial particle of steam activation of the mesopore prosperity with raw materials such as wood chips, it is characterized in that adopting Na rice Tan Suan Calcium to make the skeleton filler, through mediating with the raw materials such as wood chip, tackiness agent, granulation, drying, pre-charing, activation, boil acid, rinsing, the operations such as drying are made the finished product gac.
Description of drawings
Accompanying drawing 1 is process flow sheet of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described, (but not being limitation of the present invention).
A kind of gac of artificial particle of steam activation of mesopore prosperity is by following technical process production:
1. raw material is prepared
1.1 Na rice Tan Suan Calcium is commercially available general commodity, nominal geometric scale 50-200nm (nanometer),
1.2 contain the charcoal biomass material, can be one or more mixtures such as wood chip, farm crop tangerine bar, bamboo, raw material is dried to water ratio 10-15% through being crushed to the 100-120 order,
1.3 contain the charcoal tackiness agent, can be waste molasses, wood tar oil, pitch, one or more mixtures such as polyvinyl alcohol;
2. mediate
With Na rice Tan Suan Calcium, contain the charcoal biomass material, after containing the charcoal tackiness agent and being mixed in proportion, but the kneading of in the kneader of known Jie Gou Clip layer admittance deep fat, heating, adopt 200-230 ℃ of thermal oil, make to contain Na rice Tan Suan Calcium, biomass material, the production gac raw material of tackiness agent is warming up to 150-170 ℃ ， And insulation at the 150-170 ℃ of lower 20-30min of kneading;
3. granulation
In the known configurations tablets press, the granulation shape contains Na rice Tan Suan Calcium, biomass material, the production gac raw material of tackiness agent;
4. dry
Particulate state is contained Na rice Tan Suan Calcium, and biomass material, the production gac raw material of tackiness agent are in the known configurations drying oven, at 100-120 ℃ of dry solidification of heating;
5. pre-charing
The particulate state of own sizing and solidifying is contained Na rice Tan Suan Calcium, biomass material, the production gac raw material of tackiness agent is in the pre-charring furnace of the self-supplying heat of known configurations, heating is 500-600 ℃ under Hypoxic habitats, the particulate state of own sizing and solidifying contains Na rice Tan Suan Calcium, biomass material, the production gac raw material charing of tackiness agent becomes the pre-carbonized material of particulate state;
6. activation
The particulate state of own charing is contained Na rice Tan Suan Calcium, biomass material, the pre-carbonized material of production gac of tackiness agent is heated to 900-1000 ℃ in the activation furnace of known configurations, pass into 700-750 ℃ of superheated vapo(u)r activation again;
At this moment Na rice Tan Suan Calcium also is heated to decompose and generates calcium oxide and carbonic acid gas, and carbonic acid gas is overflowed and stayed the space;
7. boil acid
With above-mentioned oneself activated the gac material and be contained in the known equipment, add and contain the 3-10% hydrochloric acid water, pass into again 95-100 ℃ of hot steam and boil 30-60min, at this moment calcium oxide and hydrochloric acid reaction generation calcium chloride is water-soluble, the calcium oxide stripping has also stayed the space;
From above-mentioned technique as can be known, originally be blended in and contained Na rice Tan Suan Calcium, biomass material, Na rice Tan Suan Calcium in the production gac raw material of tackiness agent occupies that geometric space is activated, oneself becomes carbonic acid gas and overflows and the calcium chloride stripping to boil sour operation, staying the nano level geometric space namely is mesopore in the finished product gac, control is infiltrated meter carbon acid Calcium ratio of receiving and is received a meter carbon acid Calcium nominal geometric scale, can control the mesopore proterties of finished product gac, thereby finish the invention task;
8. rinsing
In known equipment, use processes well known;
9 dryings
In known equipment, use processes well known.
From the foregoing; can be in conventional known equipment; under most of conventional processes well known; add Na rice Tan Suan Calcium by the present invention and can solve key problem in the activated carbon industry: the artificial granulated active carbon product of Physical also there is be enough to the flourishing mesopore of comparing with chemical method, thus the artificial Ke grain Huo Tan Full foot market demand that the instead of chemical method is produced.
Embodiment 1
To account for weight ratio 80-90% wood chip (over dry calculating), 5-10% wood tar oil, 5-10% Na rice Tan Suan Calcium mixing, through kneading, granulation, drying, pre-charing, acid is boiled in activation, rinsing, the operations such as drying are made the finished product gac.
Claims (1)
1. the gac of the artificial particle of the steam activation of a mesopore prosperity is by following technical process production:
1.) raw material is prepared
1.1 Na rice Tan Suan Calcium is commercially available general commodity, nominal geometric scale 50-200nm (nanometer),
1.2 contain the charcoal biomass material, can be one or more mixtures such as wood chip, farm crop tangerine bar, bamboo, raw material is dried to water ratio 10-15% through being crushed to the 100-120 order,
1.3 contain the charcoal tackiness agent, can be waste molasses, wood tar oil, pitch, one or more mixtures such as polyvinyl alcohol;
2.) mediate
With Na rice Tan Suan Calcium, contain the charcoal biomass material, after containing the charcoal tackiness agent and being mixed in proportion, but the kneading of in the kneader of known Jie Gou Clip layer admittance deep fat, heating, adopt 200-230 ℃ of thermal oil, make to contain Na rice Tan Suan Calcium, biomass material, the production gac raw material of tackiness agent is warming up to 150-170 ℃ ， And insulation at the 150-170 ℃ of lower 20-30min of kneading;
3.) granulation
In the known configurations tablets press, the granulation shape contains Na rice Tan Suan Calcium, biomass material, the production gac raw material of tackiness agent;
4.) drying
Particulate state is contained Na rice Tan Suan Calcium, and biomass material, the production gac raw material of tackiness agent are in the known configurations drying oven, at 100-120 ℃ of dry solidification of heating;
5.) pre-charing
The particulate state of own sizing and solidifying is contained Na rice Tan Suan Calcium, biomass material, the production gac raw material of tackiness agent is in the pre-charring furnace of the self-supplying heat of known configurations, heating is 500-600 ℃ under Hypoxic habitats, the particulate state of own sizing and solidifying contains Na rice Tan Suan Calcium, biomass material, the production gac raw material charing of tackiness agent becomes the pre-carbonized material of particulate state;
6.) activation
The particulate state of own charing is contained Na rice Tan Suan Calcium, biomass material, the pre-carbonized material of production gac of tackiness agent is heated to 900-1000 ℃ in the activation furnace of known configurations, pass into 700-750 ℃ of superheated vapo(u)r activation again;
At this moment Na rice Tan Suan Calcium also is heated to decompose and generates calcium oxide and carbonic acid gas, and carbonic acid gas is overflowed and stayed the space;
7.) boil acid
With above-mentioned oneself activated the gac material and be contained in the known equipment, add and contain the 3-10% hydrochloric acid water, pass into again 95-100 ℃ of hot steam and boil 30-60min, at this moment calcium oxide and hydrochloric acid reaction generation calcium chloride is water-soluble, the calcium oxide stripping has also stayed the space;
From above-mentioned technique as can be known, originally be blended in and contained Na rice Tan Suan Calcium, biomass material, Na rice Tan Suan Calcium in the production gac raw material of tackiness agent occupies that geometric space is activated, oneself becomes carbonic acid gas and overflows and the calcium chloride stripping to boil sour operation, staying the nano level geometric space namely is mesopore in the finished product gac, control is infiltrated meter carbon acid Calcium ratio of receiving and is received a meter carbon acid Calcium nominal geometric scale, can control the mesopore proterties of finished product gac, thereby finish the invention task;
8.) rinsing
In known equipment, use processes well known;
9.) drying
In known equipment, use processes well known.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011103324511A CN103058185A (en) | 2011-10-24 | 2011-10-24 | Production method of mesopore-developed steam-activated artificial granular activated carbon |
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| CN2011103324511A CN103058185A (en) | 2011-10-24 | 2011-10-24 | Production method of mesopore-developed steam-activated artificial granular activated carbon |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096549A (en) * | 2014-07-21 | 2014-10-15 | 彭万喜 | Method for enhancing activated carbon absorption activity |
| CN104692378A (en) * | 2013-12-05 | 2015-06-10 | 清华大学 | Bamboo-based macroporous biological activated carbon and preparation method thereof |
| CN105236403A (en) * | 2015-11-17 | 2016-01-13 | 雷春生 | Method for preparing high-specific-surface-area active carbon by virtue of ultrasonic auxiliary dispersion |
| CN106365163A (en) * | 2016-08-23 | 2017-02-01 | 中南大学 | Preparation method of sisal fiber activated carbon, and application of the sisal fiber activated carbon in lithium ion capacitor |
| CN107381570A (en) * | 2017-08-15 | 2017-11-24 | 中国工程物理研究院激光聚变研究中心 | The method that physical activation method prepares bamboo charcoal base lithium ion battery electrode material |
| CN109133049A (en) * | 2018-08-03 | 2019-01-04 | 太原工业学院 | A kind of preparation method and application with multi-pore channel, the biomass-based active carbon of level pore structure |
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| JPH0121086B2 (en) * | 1980-10-08 | 1989-04-19 | Takeda Chemical Industries Ltd | |
| JPH0833310A (en) * | 1994-07-11 | 1996-02-02 | Fuji Oozx Inc | Eddy current coupling |
| CN1528510A (en) * | 2003-09-26 | 2004-09-15 | 鹏 林 | Vehicular wood active carbon and preparing method tehreof |
| CN101585527A (en) * | 2008-05-23 | 2009-11-25 | 中国人民解放军63971部队 | In a kind of being rich in, the charcoal preparation methods of macropore |
| CN101817524A (en) * | 2010-05-05 | 2010-09-01 | 卞奎友 | Process for producing activated carbon by physical activation method |
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2011
- 2011-10-24 CN CN2011103324511A patent/CN103058185A/en active Pending
Patent Citations (5)
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| JPH0121086B2 (en) * | 1980-10-08 | 1989-04-19 | Takeda Chemical Industries Ltd | |
| JPH0833310A (en) * | 1994-07-11 | 1996-02-02 | Fuji Oozx Inc | Eddy current coupling |
| CN1528510A (en) * | 2003-09-26 | 2004-09-15 | 鹏 林 | Vehicular wood active carbon and preparing method tehreof |
| CN101585527A (en) * | 2008-05-23 | 2009-11-25 | 中国人民解放军63971部队 | In a kind of being rich in, the charcoal preparation methods of macropore |
| CN101817524A (en) * | 2010-05-05 | 2010-09-01 | 卞奎友 | Process for producing activated carbon by physical activation method |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104692378A (en) * | 2013-12-05 | 2015-06-10 | 清华大学 | Bamboo-based macroporous biological activated carbon and preparation method thereof |
| CN104096549A (en) * | 2014-07-21 | 2014-10-15 | 彭万喜 | Method for enhancing activated carbon absorption activity |
| CN104096549B (en) * | 2014-07-21 | 2015-12-30 | 中南林业科技大学 | A kind of method of charcoal absorption increased activity |
| CN105236403A (en) * | 2015-11-17 | 2016-01-13 | 雷春生 | Method for preparing high-specific-surface-area active carbon by virtue of ultrasonic auxiliary dispersion |
| CN106365163A (en) * | 2016-08-23 | 2017-02-01 | 中南大学 | Preparation method of sisal fiber activated carbon, and application of the sisal fiber activated carbon in lithium ion capacitor |
| CN106365163B (en) * | 2016-08-23 | 2018-10-09 | 中南大学 | A kind of preparation method of sisal fiber activated carbon and the application of the sisal fiber activated carbon in lithium-ion capacitor |
| CN107381570A (en) * | 2017-08-15 | 2017-11-24 | 中国工程物理研究院激光聚变研究中心 | The method that physical activation method prepares bamboo charcoal base lithium ion battery electrode material |
| CN109133049A (en) * | 2018-08-03 | 2019-01-04 | 太原工业学院 | A kind of preparation method and application with multi-pore channel, the biomass-based active carbon of level pore structure |
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Application publication date: 20130424 |