CN106544689A - A kind of method that utilization mineral carbon prepares nano carbon sol - Google Patents
A kind of method that utilization mineral carbon prepares nano carbon sol Download PDFInfo
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- CN106544689A CN106544689A CN201610877903.7A CN201610877903A CN106544689A CN 106544689 A CN106544689 A CN 106544689A CN 201610877903 A CN201610877903 A CN 201610877903A CN 106544689 A CN106544689 A CN 106544689A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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Abstract
A kind of method that utilization mineral carbon prepares nano carbon sol, it is characterised in that：Two pieces of electrodes are put in neutral electrolyte aqueous solution, and described neutral electrolyte aqueous solution adopts carbon nanometer solution；Neutral electrolyte aqueous solution electrical conductivity is adjusted to 1,800 2000 milli west not, and conductive material is placed between two pieces of electrodes, and the conductive carbon material between this two pieces of electrodes is the mineral carbon of the conduction of graininess or powder, and its specific surface area is more than 100m2/g；Conductive carbon material is placed in the insulating vessel of porous；The distance between two pieces of electrodes are 1 80cm, and voltage is less than or equal to 110 volts, using 1 400Hz DC pulse voltages；Effective current density is 35 48A/m2, the time of electrolysis is 4 24 hours.The present invention is substantially reduced preparation time, and electrode material is not limited, and can significantly reduce cost.
Description
Technical field
The present invention relates to nano-sized carbon is used for fertilizer additive field.
Background technology
The nano-sized carbon that prior art is typically prepared is less efficient, and needs complicated post processing.Such as existing electrolyte
Neutral electrolyte is not adopted, graphite electrode of the electrode using high purity more than 99%, production efficiency are low.The product of preparation is non-
Chang Rongyi is settled or is reunited, it is difficult to be applied to modern agriculture.
The content of the invention
A kind of method that utilization mineral carbon prepares nano carbon sol, it is characterised in that：Two pieces of electrodes are put into neutral electrolyte
In aqueous solution, described neutral electrolyte aqueous solution adopts carbon nanometer solution；Neutral electrolyte aqueous solution electrical conductivity is adjusted to
Not, conductive material is placed between two pieces of electrodes in 1800-2000 millis west, and the conductive carbon material between this two pieces of electrodes is graininess
Or the mineral carbon of the conduction of powder, conductive carbon material specific surface area is more than 100m2/g；Conductive carbon material is placed in the exhausted of porous
In edge container；The distance between two pieces of electrodes are 1-80cm, and voltage is less than or equal to 110 volts, using 1-400Hz DC-pulses
Pressure；Effective current density is 35-48A/m2, the time of electrolysis is 4-24 hours.
Further, mineral carbon adopts artificial or natural graphite, or adopts coal.
Further for improve production efficiency, conductive carbon material is placed in the insulating vessel of 10-12 porous, forms 10-
12 dividing plates.
Further, increase Vltrasonic device, the frequency of the Vltrasonic device adopts 10-30kHz, and power is 10-50w.
Carbon weight/mass percentage composition in the nano carbon sol for preparing is 0.57%-2%, and pH is 1-3, nanometer particle size
Control is below 100 nanometers.
The time of present invention electrolysis is -24 hours 4 hours, and the time of preferred electrolysis is -12 hours 4 hours.Compared with existing
14 days in technology or so are substantially reduced preparation time.
The present invention as electric conductor, is put between two electrodes, electrode material is not limited using mineral carbon.Existing skill
Art typically adopts graphite electrode, purity to reach more than 95%, can significantly reduce cost.Electrode cost from prior art 140
The electrode of unit is reduced to 10 yuan or so.
Concrete mineral carbon adopts artificial or natural graphite, or adopts coal.Mineral charcoal can be not high using purity
Graphite, for example refine the leftover bits and pieces as carbon electrode of electrolytic aluminium, graphitic carbon abundance, and being capable of environmental protection.
The method for forming conductive material can be by high-temperature process, hydro-thermal method these conventional methods.
Sonic oscillation causes nanometer carbon ion on electrode to depart from rapidly pole plate will not to cause accumulation, increase receiving in electrolyte
The content of rice carbon；And cause nano carbon particle to be difficult to reunite, nano-sized carbon is greatly increased in the form of small particle in electrolysis
In liquid.
Product carbon mass content of the present invention 0.57%-2% nano carbon sol without the need for post processor, method is easy,
Can be used in the multiple fields such as fertilizer additive, alkaline land improvement, remediation contaminated soil.
Low cost of the present invention, can adopt substantial amounts of biological carbon materials, aboundresources.
Specific embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, below to concrete reality of the invention
The mode of applying is described in detail.Elaborate many details in order to fully understand the present invention in the following description.But
The present invention can also be implemented in the case of not having these details, and those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar improvement, therefore the present invention is not embodied as being limited by following public.
Embodiment 1
Two pieces of electrodes are put in neutral electrolyte aqueous solution, and described neutral electrolyte aqueous solution adopts carbon nanometer solution；
Neutral electrolyte aqueous solution electrical conductivity is adjusted to 2000 milli west not, and conductive material is placed between two pieces of electrodes, and this two pieces of electrodes
Between conductive carbon material be graininess or powder conduction mineral carbon, conductive carbon material specific surface area is 500m2/g；Lead
Electrical carbon material is placed in the insulating vessel of porous；Effective current density is 48A/m2, the distance between two pieces of electrodes are 10cm,
Voltage is equal to 110 volts, and the time of electrolysis is 6 hours.Charcoal forms the conductive material of energy using native graphite, using 400Hz
DC pulse voltage.
Embodiment 2
Two pieces of electrodes are put in neutral electrolyte aqueous solution, and described neutral electrolyte aqueous solution adopts carbon nanometer solution；
Neutral electrolyte aqueous solution electrical conductivity is adjusted to 1800 milli west not, and conductive material is placed between two pieces of electrodes, and this two pieces of electrodes
Between conductive carbon material be graininess or powder conduction mineral carbon, conductive carbon material specific surface area is 500m2/g；Lead
Electrical carbon material is placed in the insulating vessel of porous；Effective current density is 48A/m2, the distance between two pieces of electrodes are 10cm,
Voltage is equal to 110 volts, while increasing Vltrasonic device, the frequency of the Vltrasonic device adopts 10kHz, and power is 50w；The time of electrolysis
For 4 hours.Charcoal forms the conductive material of energy after heat treated using coal, using 400Hz DC pulse voltages.
Embodiment 3
Two pieces of electrodes are put in neutral electrolyte aqueous solution, and described neutral electrolyte aqueous solution adopts carbon nanometer solution；
Neutral electrolyte aqueous solution electrical conductivity is adjusted to 2000 milli west not, and conductive material is placed between two pieces of electrodes, and this two pieces of electrodes
Between conductive carbon material be graininess or powder conduction mineral carbon, conductive carbon material specific surface area is 200m2/g；Lead
Electrical carbon material is placed in the insulating vessel of porous；Effective current density is 35A/m2, the distance between two pieces of electrodes are 80cm,
Voltage is equal to 110 volts, and the time of electrolysis is 12 hours.Charcoal adopts Delanium, using 400Hz DC pulse voltages.
The scope that embodiment is not limited in the scope of the present invention can obtain being mass content receiving in 0.57%-2%
, without the need for post processor, method is easy, can be directly used for multiple necks such as alkaline land improvement, remediation contaminated soil for rice carbon sol
Domain.
It is that pH is 1-3 that the present invention forms the result of nano carbon sol, and nanometer particle size is controlled below 100 nanometers, wherein 50
Account for more than 50% below nanometer, and (time since test observed and obtains, can through experimental observation more than 3 years
Can be longer than this) all without generation sedimentation.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (5)
1. a kind of method that utilization mineral carbon prepares nano carbon sol, it is characterised in that：Two pieces of electrodes are put into neutral electrolyte water
In solution, described neutral electrolyte aqueous solution adopts carbon nanometer solution；Neutral electrolyte aqueous solution electrical conductivity is adjusted to 1800-
Not, conductive material is placed between two pieces of electrodes in 2000 milli west, and the conductive carbon material between this two pieces of electrodes is graininess or powder
The mineral carbon of the conduction of last shape, its specific surface area are more than 100m2/g；Conductive carbon material is placed in the insulating vessel of porous；Two
The distance between block electrode is 1-80cm, and voltage is less than or equal to 110 volts, using 1-400Hz DC pulse voltages；Effective current is close
Spend for 35-48A/m2, the time of electrolysis is 4-24 hours.
2. method according to claim 1, it is characterised in that：
Mineral carbon adopts artificial or natural graphite, or adopts coal.
3. method according to claim 1, it is characterised in that：
Conductive carbon material is placed in the insulating vessel of multiple porous, forms 10-12 dividing plate.
4. method according to claim 1, it is characterised in that：
Increase Vltrasonic device, the frequency of the Vltrasonic device adopts 10-30kHz, and power is 10-50w.
5. using the method as described in claim 1-4 any one, it is characterised in that：In the nano carbon sol for preparing
Carbon weight/mass percentage composition is 0.57%-2%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610877903.7A CN106544689A (en) | 2016-10-03 | 2016-10-03 | A kind of method that utilization mineral carbon prepares nano carbon sol |
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| CN201610877903.7A CN106544689A (en) | 2016-10-03 | 2016-10-03 | A kind of method that utilization mineral carbon prepares nano carbon sol |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107581197A (en) * | 2016-08-31 | 2018-01-16 | 北京信纳国际新材料科技有限公司 | A kind of carbon-based new material and its application |
| CN107904612A (en) * | 2017-11-17 | 2018-04-13 | 刘广安 | A kind of method that nano carbon sol is prepared with native graphite |
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| CN107904612A (en) * | 2017-11-17 | 2018-04-13 | 刘广安 | A kind of method that nano carbon sol is prepared with native graphite |
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Application publication date: 20170329 |