CN109879282A - A kind of method that thermal field argon-arc plasma field double-field coupled prepares biomass-based active carbon - Google Patents
A kind of method that thermal field argon-arc plasma field double-field coupled prepares biomass-based active carbon Download PDFInfo
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- CN109879282A CN109879282A CN201910288311.5A CN201910288311A CN109879282A CN 109879282 A CN109879282 A CN 109879282A CN 201910288311 A CN201910288311 A CN 201910288311A CN 109879282 A CN109879282 A CN 109879282A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention discloses a kind of methods that thermal field argon-arc plasma field double-field coupled prepares biomass-based active carbon, include the following steps: S1: 10g cellulose based biomass being added in the ionic liquid of 20mlNaOH and thiocarbamide or urea, at 5 c, it is stirred in blender, cellulose occurs and ionic liquid is partly dissolved and run-inflation effect, obtains flexible biomass colloid；S2: biomass colloid being placed in the alundum tube of plasma pyrolysis tube furnace, with the heating rate of 5 centigrade per minutes, is warming up to 500-900 degrees Celsius, is kept the temperature 60 minutes, is opened simultaneously plasma device and is carried out irradiation 5-20 minutes to sample；S3: after cooling down, obtaining the activated carbon from activated sludge of puffy, washs 3 times by boiling water, pickling 1 time, places and dry 6 hours in a vacuum drying oven, obtain activated carbon from activated sludge sample.Active carbon prepared by the present invention can be used for the preparation of fuel-cell catalyst, and fuel cell ORR hydrogen reduction performance can be compared with business platinum carbon.
Description
Technical field
The invention belongs to biomass-based technical field of active carbon, and in particular to a kind of thermal field argon-arc plasma field double-field coupled preparation
The method of biomass-based active carbon.
Background technique
Active carbon is a kind of porous solid carbonaceous of black.Main component is carbon, and containing a small amount of oxygen, hydrogen, sulphur, nitrogen, chlorine etc.
Element.The specific surface area of normal activated carbon is between 500~1700m2/g.General active carbon, which does not have, prepares electrode of super capacitor
Material or the performance for being used to prepare fuel-cell catalyst, for this purpose, it is proposed that a kind of thermal field argon-arc plasma field double-field coupled system
The method of standby biomass-based active carbon, to solve the problems, such as to mention in above-mentioned background technique.
Summary of the invention
The purpose of the present invention is to provide a kind of method that thermal field argon-arc plasma field double-field coupled prepares biomass-based active carbon,
To solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of preparation life of thermal field argon-arc plasma field double-field coupled
The method of substance matrix activated carbon, includes the following steps:
S1: 10g cellulose based biomass being added in the ionic liquid of 20mlNaOH and thiocarbamide or urea, at 5 degrees Celsius
Under, it is stirred in blender, cellulose occurs and ionic liquid is partly dissolved and run-inflation effect, obtains flexible biology
Matter colloid；
S2: biomass colloid being placed in the alundum tube of plasma pyrolysis tube furnace, with the liter of 5 centigrade per minutes
Warm speed is warming up to 500-900 degrees Celsius, keeps the temperature 60 minutes, opens simultaneously plasma device and carry out irradiation 5-20 to sample
Minute；
S3: after cooling down, obtaining the activated carbon from activated sludge of puffy, washs 3 times, pickling 1 time, is placed in by boiling water
It is 6 hours dry in vacuum oven, obtain final activated carbon from activated sludge sample.
Preferably, cellulose based biomass is paper scrap or cotton in the step S1.
Preferably, the wherein quality proportioning of 20mlNaOH and thiocarbamide or urea in the step S1 are as follows: 7%:12% or
7%.
Compared with prior art, the beneficial effects of the present invention are: a kind of double field couplings of thermal field argon-arc plasma field provided by the invention
The method for preparing biomass-based active carbon is closed, the present invention is raw to cellulose base by argon-arc plasma field radiation and thermal field double-field coupled
Substance is handled, and achievees the purpose that pore-creating prepares porous activated carbon；
Thiocarbamide and sodium hydroxide system dissolve cellulose based biomass under subzero three degree and achieve the purpose that processing before activation,
The active carbon made has hole defect abundant, and the nitrogen that biomass itself contains makes it have hetero atom defect；
The active carbon of preparation can be used for preparing electrode material for super capacitor, and specific capacitance reaches 326F/g, and can be used for
The preparation of fuel-cell catalyst, fuel cell ORR hydrogen reduction performance can be compared with business platinum carbon.
Detailed description of the invention
Fig. 1 is the flowage structure schematic diagram that the present invention prepares biomass-based active carbon.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
The present invention provides the method that a kind of thermal field argon-arc plasma field double-field coupled of such as Fig. 1 prepares biomass-based active carbon,
Include the following steps:
S1: 10g cellulose based biomass being added in the ionic liquid of 20mlNaOH and thiocarbamide or urea, at 5 degrees Celsius
Under, it is stirred in blender, cellulose occurs and ionic liquid is partly dissolved and run-inflation effect, obtains flexible biology
Matter colloid；
S2: biomass colloid being placed in the alundum tube of plasma pyrolysis tube furnace, with the liter of 5 centigrade per minutes
Warm speed is warming up to 500-900 degrees Celsius, keeps the temperature 60 minutes, opens simultaneously plasma device and carry out irradiation 5-20 to sample
Minute；
S3: after cooling down, obtaining the activated carbon from activated sludge of puffy, washs 3 times, pickling 1 time, is placed in by boiling water
It is 6 hours dry in vacuum oven, obtain final activated carbon from activated sludge sample.
Specifically, cellulose based biomass is paper scrap or cotton in the step S1.
Specifically, the wherein quality proportioning of 20mlNaOH and thiocarbamide or urea in the step S1 are as follows: 7%:12% or
7%.
Electron microscope characterization is scanned to the activated carbon sample, obvious hole configurations can be observed；X-ray fluorescence light
Spectrometer shows that the sample has more pyrroles's nitrogen；Physical adsorption appearance test discovery, the sample specific surface area are 1847m2/g, hole
Hole is mostly the meso-hole structure of 5-20nm.
By argon-arc plasma field radiation and thermal field double-field coupled, cellulose based biomass is handled, reaches pore-creating preparation
The purpose of porous activated carbon；
Thiocarbamide and sodium hydroxide system dissolve cellulose based biomass under subzero three degree and achieve the purpose that processing before activation,
The active carbon made has hole defect abundant, and the nitrogen that biomass itself contains makes it have hetero atom defect；
The active carbon of preparation can be used for preparing electrode material for super capacitor (specific capacitance reaches 326F/g), and can be used for
The preparation of fuel-cell catalyst (fuel cell ORR hydrogen reduction performance can be compared with business platinum carbon).Biomass hole configurations
Included hetero atom (the pyrroles of (thiocarbamide sodium hydroxide ionic liquid dissolves cellulose and is pyrolyzed activation+plasma pore-creating) and biomass
Nitrogen) codetermine the super capacitor performance and fuel cell oxygen reduction electrocatalysis characteristic of activated carbon from activated sludge.
In conclusion compared with prior art, the present invention is by argon-arc plasma field radiation and thermal field double-field coupled, to cellulose
Based biomass is handled, and achievees the purpose that pore-creating prepares porous activated carbon；
Thiocarbamide and sodium hydroxide system dissolve cellulose based biomass under subzero three degree and achieve the purpose that processing before activation,
The active carbon made has hole defect abundant, and the nitrogen that biomass itself contains makes it have hetero atom defect；
The active carbon of preparation can be used for preparing electrode material for super capacitor (specific capacitance reaches 326F/g), and can be used for
The preparation of fuel-cell catalyst (fuel cell ORR hydrogen reduction performance can be compared with business platinum carbon).
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (3)
1. a kind of method that thermal field argon-arc plasma field double-field coupled prepares biomass-based active carbon, it is characterised in that: including walking as follows
It is rapid:
S1: 10g cellulose based biomass being added in the ionic liquid of 20mlNaOH and thiocarbamide or urea, at 5 c,
It is stirred in blender, cellulose occurs and ionic liquid is partly dissolved and run-inflation effect, obtains flexible biomass glue
Body；
S2: biomass colloid being placed in the alundum tube of plasma pyrolysis tube furnace, with the heating speed of 5 centigrade per minutes
Degree is warming up to 500-900 degrees Celsius, keeps the temperature 60 minutes, opens simultaneously plasma device and carries out irradiation 5-20 minutes to sample；
S3: after cooling down, obtaining the activated carbon from activated sludge of puffy, washs 3 times by boiling water, pickling 1 time, is placed in vacuum
It is 6 hours dry in drying box, obtain final activated carbon from activated sludge sample.
2. the method that a kind of thermal field argon-arc plasma field double-field coupled according to claim 1 prepares biomass-based active carbon,
Be characterized in that: cellulose based biomass is paper scrap or cotton in the step S1.
3. the method that a kind of thermal field argon-arc plasma field double-field coupled according to claim 1 prepares biomass-based active carbon,
It is characterized in that: the wherein quality proportioning of 20mlNaOH and thiocarbamide or urea in the step S1 are as follows: 7%:12% or 7%.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111252762A (en) * | 2020-03-31 | 2020-06-09 | 哥乐巴环保科技(上海)有限公司 | Production process and production system for preparing activated carbon by applying plasma technology |
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| CN102092709A (en) * | 2011-03-25 | 2011-06-15 | 陈温福 | Combined biomass particle carbonization furnace and carbonizing method thereof |
| CN103950929A (en) * | 2014-05-23 | 2014-07-30 | 福建农林大学 | Method for preparing granular active carbon by adopting chemical method |
| WO2015066816A1 (en) * | 2013-11-07 | 2015-05-14 | B.W. Bioenergy Inc. | Generation of high quality birch-based activated carbons for adsorption of heavy metals and pah from water |
| CN105593167A (en) * | 2013-07-26 | 2016-05-18 | 康宁股份有限公司 | Chemical activation of carbon using rf and dc plasma |
| US20190046947A1 (en) * | 2017-08-08 | 2019-02-14 | H Quest Vanguard, Inc. | Non-Thermal Micro-Plasma Conversion of Hydrocarbons |
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2019
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101555321A (en) * | 2008-04-09 | 2009-10-14 | 深圳市华亚数控机床有限公司 | Solvent composition and preparation method and application thereof |
| CN102092709A (en) * | 2011-03-25 | 2011-06-15 | 陈温福 | Combined biomass particle carbonization furnace and carbonizing method thereof |
| CN105593167A (en) * | 2013-07-26 | 2016-05-18 | 康宁股份有限公司 | Chemical activation of carbon using rf and dc plasma |
| WO2015066816A1 (en) * | 2013-11-07 | 2015-05-14 | B.W. Bioenergy Inc. | Generation of high quality birch-based activated carbons for adsorption of heavy metals and pah from water |
| CN103950929A (en) * | 2014-05-23 | 2014-07-30 | 福建农林大学 | Method for preparing granular active carbon by adopting chemical method |
| US20190046947A1 (en) * | 2017-08-08 | 2019-02-14 | H Quest Vanguard, Inc. | Non-Thermal Micro-Plasma Conversion of Hydrocarbons |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111252762A (en) * | 2020-03-31 | 2020-06-09 | 哥乐巴环保科技(上海)有限公司 | Production process and production system for preparing activated carbon by applying plasma technology |
| CN111252762B (en) * | 2020-03-31 | 2023-08-29 | 哥乐巴环保科技(上海)有限公司 | Production process and production system for preparing activated carbon by using plasma technology |
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Application publication date: 20190614 |