CN108101054A - The preparation method of the controllable ultracapacitor activated carbon of specific surface area - Google Patents
The preparation method of the controllable ultracapacitor activated carbon of specific surface area Download PDFInfo
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Abstract
The invention discloses a kind of preparation methods of the controllable ultracapacitor activated carbon of specific surface area, comprise the following steps：S1, coconut husk pretreatment：The coconut husk that water content is 15 17% is cut into strip of the length in the range of 1 2cm by shredding mechanism, is placed in crusher and carries out break process, obtain crushed material, by crushed material Gas grinding into flowing powder, dried powder is obtained, dried powder is squeezed into globular material, obtains pretreatment coconut husk；S2, dry distillation charring：Pretreatment coconut husk is placed in retort, obtains carbonized material；S3, stirring removal of impurities, must stir material；S4, preliminary pore-creating；S5, again reaming obtain thick material；S6, physics clean to obtain finished product.Using coconut husk as raw material, overall process is produced the present invention using Physical, while ensureing Carbon Materials cleanliness factor, the aperture of Carbon Materials is regulated and controled, 2000 2200m of total specific surface area of finished product super-activated carbon obtained2/ g, specific capacitance are 60 80F/g.
Description
Technical field
The present invention relates to super-activated carbon preparation fields.It is more particularly related to a kind of specific surface area is controllable
The preparation method of ultracapacitor activated carbon.
Background technology
Ultracapacitor is to utilize the electric double layer on electrode/electrolyte interface or the two-dimentional faraday of the two dimension of generation/standard
Reaction carrys out a kind of Novel electric energy storage device of energy storage.According to the operation principle of ultracapacitor, in order to obtain ultracapacitor
Larger capacity, electrode material need, with characteristics such as chemical inertness, large specific surface area, good conductivity, purity height, to use at present
Most electrode materials is porous carbon materials, including active carbon powder, activated carbon fibre, carbon nanotubes and carbon aerogels, wherein,
The source of active carbon powder can be biomass, and green non-pollution is ensured from procephalon, and the uniqueness for having lithium battery incomparable is excellent
Gesture.
But to be suitable as electrode material really seldom for presently commercially available activated carbon, first, activated carbon manufacturing process makes more
Chemically or chemical bond physics method prepares activated carbon, and cleaning is difficult；Secondly, activated carbon pore size is difficult to control, hole
The adsorption capacity of the too big carbon surface in footpath declines, and the validity that adsorbing electrolyte ion forms electric double layer declines, and the excessive also companion in aperture
With the reduction of specific surface area, aperture is too small, and electrolyte ion cannot be introduced into hole or diffusion mobility speed is difficult to reach slowly
Carbon surface can not form electric double layer, therefore how while Carbon Materials cleanliness factor is ensured, the aperture of Carbon Materials is regulated and controled,
Surface area utilization rate is improved, effective electric double layer capacitance is formed, is current urgent problem.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of preparation method of the controllable ultracapacitor activated carbon of specific surface area,
, using renewable resource coconut husk as raw material, overall process is produced using Physical for it, while ensureing Carbon Materials cleanliness factor, to Carbon Materials
Aperture regulated and controled, total specific surface area 2000-2200m of finished product super-activated carbon obtained2/ g, specific capacitance 60-80F/
g。
In order to realize these purposes and further advantage according to the present invention, a kind of controllable super electricity of specific surface area is provided
The preparation method of container activated carbon, comprises the following steps：
S1, coconut husk pretreatment：The coconut husk that water content after drying is 15-17% is cut into length in 1-2cm by shredding mechanism
In the range of strip, be placed in crusher and carry out break process, cross 80-90 mesh sieves, crushed material is obtained, by crushed material Gas grinding
Into flowing powder, flowing powder under conditions of 90-100 DEG C is dried into 30-40min, dried powder is obtained, dried powder is passed through
Plastic forming device is squeezed into the globular material of a diameter of 0.5cm, obtains pretreatment coconut husk；
S2, dry distillation charring：Pretreatment coconut husk is placed in retort, 80 DEG C of initial temperature in retort is controlled, with 10 DEG C
It is per minute to be warming up to 100 DEG C of reaction 20-30min, 400 DEG C of reaction 1-2h are warming up to the speed of 100 DEG C of heating per minute, with every
It is 700 DEG C that hours 50 DEG C of speed, which is warming up to charing in-furnace temperature, after the reaction was continued 23-25h, to heat up per hour 150 DEG C
It is 900 DEG C that speed, which is warming up to charing in-furnace temperature, reacts 0.8-1h, and charing in-furnace temperature is down to 300 DEG C per hour of speed
Room temperature obtains carbonized material；
S3, stirring removal of impurities：Carbonized material is placed in mixer, regulates and controls the rotating speed of mixer for 60r/min, stirs 40-
The carbonized material stirred after cleaning is placed in pulverizer and crushes by 50min, crosses 50-60 mesh sieves, must stir material；
S4, preliminary pore-creating：Stirring material is placed in activation furnace, high-temperature water vapor is passed through, controls the high-temperature water vapor flow velocity to be
2.8-3.3m3/ h, pressure 3.8-4.3MPa, temperature are 1180-1250 DEG C, react 11-13h；
S5, again reaming：The mixed gas of imflammable gas and high-temperature water vapor is passed through into activation furnace, controls mixed gas
Flow velocity be 2.8-3.3m3/ h, pressure 3.8-4.3MPa, temperature are 1180-1250 DEG C, the reaction was continued 11-13h, obtain thick object
Material；
S6, physics removal of impurities：Thick material is placed in suspension device after carrying out wet flotation removal of impurities and crushed, obtain finished product.
Preferably, the mixer includes the agitator that top is equipped with motor, is connected with the motor and is stirred along described
The agitating shaft that bucket is axially set is mixed, is arranged at intervals multigroup blade up and down on the agitating shaft, every group of blade is set at equal intervals
It four, is not overlapped vertically between neighbouring two groups of blades, the blade is cylindrical rod, and periphery is radiated by Buddhist nun
Rounding processing is done in bristle made of nylon yarn, the free end of the bristle, and the bristle lengths are equal to 0.2cm；
Wherein, condensation forms waste outlet downwards for the agitator bottom, inclines positioned at agitating shaft lower end outlet upper end
Tiltedly card sets a strainer, and the mixing drum side wall, which is located above the strainer least significant end, sets the outlet of stirring material, the aperture of filter screen
For 0.3-0.5mm.
Preferably, imflammable gas is methane in mixed gas.
Preferably, methane and high-temperature vapor volume ratio are 1 in mixed gas:2-3.
Preferably, it is 3m that high-temperature water vapor flow velocity is controlled in step S43/ h, pressure 4MPa, temperature are 1200 DEG C, instead
Answer 12h；The flow velocity that mixed gas is controlled in step S5 is 3m3/ h, pressure 4MPa, temperature are 1200 DEG C, the reaction was continued 12h.
Preferably, it is 9 that the mass ratio of water and thick material in suspension device is controlled in step S6:1, the flow velocity of water is with 2m/s's
Speed is increased to after 20m/s by 10m/s by being down to 10m/s by 20m/s with the speed of 1m/s, successively reciprocation cycle.
Preferably, suspension device described in step S6 is the cavity that flat spin shape is set, and thick material is from into suspension device
It is 10-20s to the time flowed out out of suspension device.
The present invention includes at least following advantageous effect：
Firstth, using renewable resource coconut husk as raw material, coconut husk charcoal high mechanical strength, internal structure is fine and close, has higher
Heap density, and ash content is few in coconut husk, from feedstock processing to finished product, overall process is produced using Physical, and process is pollution-free, cost
Low, specific surface area of finished products is high, micropore size is controllable, clean, total specific surface area 2000- of finished product super-activated carbon obtained
2200m2/ g, specific capacitance 60-80F/g, and interior resistance is extremely low；
Secondth, squeeze after dried coconut husk is crushed in coconut husk preprocessing process and be sintered in spherical, carbonized
Preceding sintering can effectively improve the compactness of globular material, while improve its crystallite dimension, pore size, with reference to later stage charcoal
While the processing of the process of change makes carbonized material acquisition fixed three-dimensional net structure, its interior aeroge (this status of coconut husk is controlled
Solve the imflammable gas such as methane generated) content in 23-26%, the control of aeroge content can effectively occupy charing coconut palm
Shell inner space lays the first stone for later stage pore-creating and expanding treatment；
3rd, preliminary pore-creating and again during reaming by the control of water vapour flow velocity, temperature, pressure etc., strictly
Control and the development of regulation and control micropore, while again during reaming with being passed through inert gas manufacture Hypoxic habitats phase in the prior art
Than present invention one side imflammable gas burning by way of being passed through imflammable gas consumes oxygen in cremator, the opposing party
Face imflammable gas burning provides the sufficient energy for the further expansion in aperture, improves priming reaction, and contains potassium in coconut husk ash content
Salt can equally promote priming reaction；
4th, it is passed through after carbonizing in mixer and is stirred friction surface removal of impurities, then is carried after reaming by suspension device impurity elimination
It is pure, it compares and ensure that the cleanliness factor of finished product with traditional removal of impurities mode.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to specification
Word can be implemented according to this.
<Embodiment 1>
A kind of preparation method of the controllable ultracapacitor activated carbon of specific surface area, comprises the following steps：
S1, coconut husk pretreatment：Coconut husk of the water content after drying between 15-17% is cut into length in 1- by shredding mechanism
Strip in the range of 2cm is placed in crusher and carries out break process, crosses 80 mesh sieves, crushed material is obtained, by crushed material Gas grinding
Into flowing powder, by flowing powder under conditions of 90 DEG C dry 40min, obtain dried powder, by dried powder by plastics into
Type device is squeezed into the globular material of a diameter of 0.5cm, obtains pretreatment coconut husk；
S2, dry distillation charring：Pretreatment coconut husk is placed in retort, 80 DEG C of initial temperature in retort is controlled, with 10 DEG C
It is per minute to be warming up to 100 DEG C of reaction 20min, 400 DEG C of reaction 1h are warming up to the speed of 100 DEG C of heating per minute, with per hour
It is 700 DEG C that 50 DEG C of speed, which is warming up to charing in-furnace temperature, and after the reaction was continued 25h, to heat up per hour, 150 DEG C of speed heats up
It is 900 DEG C to charing in-furnace temperature, reacts 0.8h, charing in-furnace temperature is down to room temperature with 300 DEG C per hour of speed, must be carbonized
Material；
S3, stirring removal of impurities：Carbonized material is placed in mixer, regulates and controls the rotating speed of mixer for 60r/min, stirs 40min,
The carbonized material stirred after cleaning is placed in pulverizer and is crushed, 50 mesh sieves is crossed, material must be stirred；
Wherein, the mixer includes the agitator that top is equipped with motor, is connected with the motor and along the agitator
The agitating shaft axially set is arranged at intervals multigroup blade on the agitating shaft up and down, and every group of blade is four set at equal intervals,
It is not overlapped vertically between two groups of neighbouring blades, the blade is cylindrical rod, and periphery is radiated by nylon yarn
Rounding processing is done in manufactured bristle, the free end of the bristle, and the bristle lengths are equal to 0.2cm；
Condensation forms waste outlet downwards for the agitator bottom, and tilting card positioned at agitating shaft lower end outlet upper end sets
One strainer, the mixing drum side wall, which is located above the strainer least significant end, sets the outlet of stirring material, and waste outlet and stirring expect
Plug sets plug seal at mouthful, and the aperture of filter screen is 0.3mm；
S4, preliminary pore-creating：Stirring material is placed in activation furnace, high-temperature water vapor is passed through, controls the high-temperature water vapor flow velocity to be
2.8m3/ h, pressure 3.8MPa, temperature are 1180 DEG C, react 13h；
S5, again reaming：The mixed gas of imflammable gas and high-temperature water vapor is passed through into activation furnace, controls mixed gas
Flow velocity be 2.8m3/ h, pressure 3.8MPa, temperature are 1180 DEG C, the reaction was continued 13h, obtain thick material；Wherein, mixed gas
Middle imflammable gas is methane, and methane and high-temperature vapor volume ratio are 1 in mixed gas:2；
S6, physics removal of impurities：Thick material is placed in suspension device after carrying out wet flotation removal of impurities and crushed, obtain finished product, wherein, control
The mass ratio of water and thick material is 9 in suspension device processed:1, the flow velocity of water with the speed of 2m/s by 10m/s increase to after 20m/s by with
The speed of 1m/s is down to 10m/s by 20m/s, successively reciprocation cycle；
The suspension device is the cavity that flat spin shape is set, and thick material is from into suspension device to being flowed out out of suspension device
Time is 10s.
<Embodiment 2>
A kind of preparation method of the controllable ultracapacitor activated carbon of specific surface area, comprises the following steps：
S1, coconut husk pretreatment：Coconut husk of the water content after drying between 15-17% is cut into length in 1- by shredding mechanism
Strip in the range of 2cm is placed in crusher and carries out break process, crosses 80 mesh sieves, crushed material is obtained, by crushed material Gas grinding
Into flowing powder, by flowing powder under conditions of 95 DEG C dry 35min, obtain dried powder, by dried powder by plastics into
Type device is squeezed into the globular material of a diameter of 0.5cm, obtains pretreatment coconut husk；
S2, dry distillation charring：Pretreatment coconut husk is placed in retort, 80 DEG C of initial temperature in retort is controlled, with 10 DEG C
It is per minute to be warming up to 100 DEG C of reaction 25min, 400 DEG C of reaction 1.5h are warming up to the speed of 100 DEG C of heating per minute, with every small
When 50 DEG C of speed to be warming up to charing in-furnace temperature be 700 DEG C, after the reaction was continued for 24 hours, with 150 DEG C of the speed liter of heating up per hour
Temperature to charing in-furnace temperature is 900 DEG C, reacts 0.9h, and charing in-furnace temperature is down to room temperature with 300 DEG C per hour of speed, obtains charcoal
Material；
S3, stirring removal of impurities：Carbonized material is placed in mixer, regulates and controls the rotating speed of mixer for 60r/min, stirs 45min,
The carbonized material stirred after cleaning is placed in pulverizer and is crushed, 60 mesh sieves is crossed, material must be stirred；
Wherein, the mixer includes the agitator that top is equipped with motor, is connected with the motor and along the agitator
The agitating shaft axially set is arranged at intervals multigroup blade on the agitating shaft up and down, and every group of blade is four set at equal intervals,
It is not overlapped vertically between two groups of neighbouring blades, the blade is cylindrical rod, and periphery is radiated by nylon yarn
Rounding processing is done in manufactured bristle, the free end of the bristle, and the bristle lengths are equal to 0.2cm；
Condensation forms waste outlet downwards for the agitator bottom, and tilting card positioned at agitating shaft lower end outlet upper end sets
One strainer, the mixing drum side wall, which is located above the strainer least significant end, sets the outlet of stirring material, and waste outlet and stirring expect
Plug sets plug seal at mouthful, and the aperture of filter screen is 0.3-0.5mm；
S4, preliminary pore-creating：Stirring material is placed in activation furnace, high-temperature water vapor is passed through, controls the high-temperature water vapor flow velocity to be
3m3/ h, pressure 4MPa, temperature are 1200 DEG C, react 12h；
S5, again reaming：The mixed gas of imflammable gas and high-temperature water vapor is passed through into activation furnace, controls mixed gas
Flow velocity be 3m3/ h, pressure 4MPa, temperature are 1200 DEG C, the reaction was continued 12h, obtain thick material；It wherein, can in mixed gas
Combustion property gas is methane, and methane and high-temperature vapor volume ratio are 1 in mixed gas:2.5；
S6, physics removal of impurities：Thick material is placed in suspension device after carrying out wet flotation removal of impurities and crushed, obtain finished product, wherein, control
The mass ratio of water and thick material is 9 in suspension device processed:1, the flow velocity of water with the speed of 2m/s by 10m/s increase to after 20m/s by with
The speed of 1m/s is down to 10m/s by 20m/s, successively reciprocation cycle；
The suspension device is the cavity that flat spin shape is set, and thick material is from into suspension device to being flowed out out of suspension device
Time is 20s.
<Embodiment 3>
A kind of preparation method of the controllable ultracapacitor activated carbon of specific surface area, comprises the following steps：
S1, coconut husk pretreatment：Coconut husk of the water content after drying between 15-17% is cut into length in 1- by shredding mechanism
Strip in the range of 2cm is placed in crusher and carries out break process, crosses 80-90 mesh sieves, crushed material is obtained, by crushed material air-flow
Flowing powder is ground into, flowing powder under conditions of 100 DEG C is dried into 30min, dried powder is obtained, dried powder is passed through into modeling
Material molding machine is squeezed into the globular material of a diameter of 0.5cm, obtains pretreatment coconut husk；
S2, dry distillation charring：Pretreatment coconut husk is placed in retort, 80 DEG C of initial temperature in retort is controlled, with 10 DEG C
It is per minute to be warming up to 100 DEG C of reaction 20-30min, 400 DEG C of reaction 2h are warming up to the speed of 100 DEG C of heating per minute, with every small
When 50 DEG C of speed to be warming up to charing in-furnace temperature be 700 DEG C, after the reaction was continued 25h, with 150 DEG C of the speed liter of heating up per hour
Temperature to charing in-furnace temperature is 900 DEG C, reacts 1h, and charing in-furnace temperature is down to room temperature with 300 DEG C per hour of speed, must be carbonized
Material；
S3, stirring removal of impurities：Carbonized material is placed in mixer, regulates and controls the rotating speed of mixer for 60r/min, stirs 50min,
The carbonized material stirred after cleaning is placed in pulverizer and is crushed, 60 mesh sieves is crossed, material must be stirred；
Wherein, the mixer includes the agitator that top is equipped with motor, is connected with the motor and along the agitator
The agitating shaft axially set is arranged at intervals multigroup blade on the agitating shaft up and down, and every group of blade is four set at equal intervals,
It is not overlapped vertically between two groups of neighbouring blades, the blade is cylindrical rod, and periphery is radiated by nylon yarn
Rounding processing is done in manufactured bristle, the free end of the bristle, and waste outlet and stirring material exit fill in and set plug seal, institute
Bristle lengths are stated equal to 0.2cm；
Condensation forms waste outlet downwards for the agitator bottom, and tilting card positioned at agitating shaft lower end outlet upper end sets
One strainer, the mixing drum side wall, which is located above the strainer least significant end, sets the outlet of stirring material, and the aperture of filter screen is
0.5mm；
S4, preliminary pore-creating：Stirring material is placed in activation furnace, high-temperature water vapor is passed through, controls the high-temperature water vapor flow velocity to be
3.3m3/ h, pressure 4.3MPa, temperature are 1180 DEG C, react 11h；
S5, again reaming：The mixed gas of imflammable gas and high-temperature water vapor is passed through into activation furnace, controls mixed gas
Flow velocity be 3.3m3/ h, pressure 4.3MPa, temperature are 1180 DEG C, the reaction was continued 11h, obtain thick material；Wherein, mixed gas
Middle imflammable gas is methane, and methane and high-temperature vapor volume ratio are 1 in mixed gas:3；
S6, physics removal of impurities：Thick material is placed in suspension device after carrying out wet flotation removal of impurities and crushed, obtain finished product, wherein, control
The mass ratio of water and thick material is 9 in suspension device processed:1, the flow velocity of water with the speed of 2m/s by 10m/s increase to after 20m/s by with
The speed of 1m/s is down to 10m/s by 20m/s, successively reciprocation cycle；
The suspension device is the cavity that flat spin shape is set, and thick material is from into suspension device to being flowed out out of suspension device
Time is 15s.
Experimental result
1st, to total specific surface area (m of aeroge content in embodiment 1-3 carbonized materials and finished product2/ g), specific capacitance F/g into
Row test, specific experiment result are as shown in table 1 below：
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Aeroge content | 26% | 25% | 23% |
| Total specific surface area (m2/g) | 2120 | 2200 | 2086 |
| Specific capacitance F/g | 72 | 80 | 67 |
Industrial applicability
Since the super-activated carbon of the present invention is using renewable resource coconut husk as raw material, from feedstock processing to finished product, overall process
It is produced using Physical, process is pollution-free, at low cost, and specific surface area of finished products is high, micropore size is controllable, clean, can be industrially
Inexpensive favourable manufacture.
Although the embodiments of the present invention have been disclosed as above, but its be not restricted in specification and embodiment it is listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, it is of the invention and unlimited
In specific details and shown here as the embodiment with description.
Claims (7)
1. the preparation method of the controllable ultracapacitor activated carbon of a kind of specific surface area, which is characterized in that comprise the following steps：
S1, coconut husk pretreatment：The coconut husk that water content after drying is 15-17% is cut into length in 1-2cm scopes by shredding mechanism
Interior strip is placed in crusher and carries out break process, crosses 80-90 mesh sieves, obtains crushed material, by crushed material Gas grinding into stream
Flowing powder under conditions of 90-100 DEG C is dried 30-40min, obtains dried powder, dried powder is passed through plastics by dynamic powder
Molding machine is squeezed into the globular material of a diameter of 0.5cm, obtains pretreatment coconut husk；
S2, dry distillation charring：Pretreatment coconut husk is placed in retort, 80 DEG C of initial temperature in retort is controlled, with 10 DEG C every point
Clock is warming up to 100 DEG C of reaction 20-30min, 400 DEG C of reaction 1-2h is warming up to the speed of 100 DEG C of heating per minute, with per hour
It is 700 DEG C that 50 DEG C of speed, which is warming up to charing in-furnace temperature, after the reaction was continued 23-25h, with 150 DEG C of the speed of heating up per hour
It is 900 DEG C to be warming up to charing in-furnace temperature, reacts 0.8-1h, and charing in-furnace temperature is down to room temperature with 300 DEG C per hour of speed,
Obtain carbonized material；
S3, stirring removal of impurities：Carbonized material is placed in mixer, regulates and controls the rotating speed of mixer for 60r/min, stirs 40-50min,
The carbonized material stirred after cleaning is placed in pulverizer and is crushed, 50-60 mesh sieves is crossed, material must be stirred；
S4, preliminary pore-creating：Stirring material is placed in activation furnace, is passed through high-temperature water vapor, it is 2.8- to control high-temperature water vapor flow velocity
3.3m3/ h, pressure 3.8-4.3MPa, temperature are 1180-1250 DEG C, react 11-13h；
S5, again reaming：The mixed gas of imflammable gas and high-temperature water vapor is passed through into activation furnace, controls the stream of mixed gas
Speed is 2.8-3.3m3/ h, pressure 3.8-4.3MPa, temperature are 1180-1250 DEG C, the reaction was continued 11-13h, obtain thick material；
S6, physics removal of impurities：Thick material is placed in suspension device after carrying out wet flotation removal of impurities and crushed, obtain finished product.
2. the preparation method of the controllable ultracapacitor activated carbon of specific surface area as described in claim 1, which is characterized in that institute
Stating mixer includes the agitator that top is equipped with motor, the stirring for being connected with the motor and axially being set along the agitator
Axis, multigroup blade is arranged at intervals on the agitating shaft up and down, and every group of blade is four, neighbouring two groups set at equal intervals
It is not overlapped vertically between blade, the blade is cylindrical rod, and radiation bristle made of nylon yarn in periphery is described
Rounding processing is done in the free end of bristle, and the bristle lengths are equal to 0.2cm；
Wherein, condensation forms waste outlet downwards for the agitator bottom, and card is tilted positioned at agitating shaft lower end outlet upper end
If a strainer, the mixing drum side wall, which is located above the strainer least significant end, sets the outlet of stirring material, and the aperture of filter screen is
0.3-0.5mm。
3. the preparation method of the controllable ultracapacitor activated carbon of specific surface area as described in claim 1, which is characterized in that mixed
It is methane to close imflammable gas in gas.
4. the preparation method of the controllable ultracapacitor activated carbon of specific surface area as claimed in claim 3, which is characterized in that mixed
It is 1 to close methane and high-temperature vapor volume ratio in gas:2-3.
5. the preparation method of the controllable ultracapacitor activated carbon of specific surface area as claimed in claim 4, which is characterized in that step
It is 3m that high-temperature water vapor flow velocity is controlled in rapid S43/ h, pressure 4MPa, temperature are 1200 DEG C, react 12h；It is controlled in step S5
The flow velocity of mixed gas is 3m3/ h, pressure 4MPa, temperature are 1200 DEG C, the reaction was continued 12h.
6. the preparation method of the controllable ultracapacitor activated carbon of specific surface area as described in claim 1, which is characterized in that step
It is 9 that the mass ratio of water and thick material in suspension device is controlled in rapid S6:1, the flow velocity of water increases to 20m/ with the speed of 2m/s by 10m/s
By being down to 10m/s by 20m/s with the speed of 1m/s after s, reciprocation cycle successively.
7. the preparation method of the controllable ultracapacitor activated carbon of specific surface area as described in claim 1, which is characterized in that step
Suspension device described in rapid S6 is the cavity that flat spin shape is set, thick material from into suspension device to flowed out out of suspension device when
Between be 10-20s.
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| CN108584948A (en) * | 2018-08-15 | 2018-09-28 | 广东振达康环保科技有限公司 | A method of using cocoanut shell activated carbon is prepared for raw material |
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| US20030062312A1 (en) * | 2001-02-28 | 2003-04-03 | The Penn State Research Foundation | Method of heat treating carbonaceous material to enhance its adsorption of taste-and-odor-causing and other organic compounds from water |
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| CN108584948A (en) * | 2018-08-15 | 2018-09-28 | 广东振达康环保科技有限公司 | A method of using cocoanut shell activated carbon is prepared for raw material |
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