CN104129786B - A kind of active carbon nanoparticles and preparation method thereof - Google Patents
A kind of active carbon nanoparticles and preparation method thereof Download PDFInfo
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- CN104129786B CN104129786B CN201410362798.4A CN201410362798A CN104129786B CN 104129786 B CN104129786 B CN 104129786B CN 201410362798 A CN201410362798 A CN 201410362798A CN 104129786 B CN104129786 B CN 104129786B
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Abstract
The present invention relates to a kind of active carbon nanoparticles, it is made up of following raw material: activated carbon carbonized stock, potassium hydroxide, sodium hydroxide and activator promotor, wherein, described activated carbon carbonized stock is respectively 1:1 ~ 1:7 and 1:1 ~ 1:4 with the weight ratio of potassium hydroxide and described sodium hydroxide, and described activator promotor accounts for carbonized stock and potassium hydroxide and the 1% ~ 3% of sodium hydroxide gross weight.Its step prepared is: feeding stirring in proportion；Add activator promotor；Heating；Cool down and filter；And dry pulverizing.The invention have the benefit that described active carbon nanoparticles specific surface area can reach 3000/g, there is the characteristics such as the mesopore of prosperity, strong absorbability, can be widely applied in the products such as air cleaning, lithium battery and ultracapacitor.
Description
Technical field
The present invention relates to a kind of active carbon nanoparticles and preparation method thereof.
Background technology
Active carbon nanoparticles is a kind of nano surface particle, has the system that irregular structure mixes with nano-space.Its fibre diameter is thin, big with the contact area of adsorbed thing, can reach to contact uniformly and adsorb.
At present, development along with society, more and more higher to the attention degree of active carbon nanoparticles application, progressively it is applied in the industrial circle of all trades and professions by the simple application in life, such as, gas and the purification of liquid, harmful gas and liquid adsorption treatment, lithium battery and ultracapacitor in application；But, for the absorbability of existing active carbon nanoparticles, the absorbability of existing active carbon nanoparticles still cannot meet the industry in production having higher requirements absorbability, and then cannot preferably meet the demand of people.
Summary of the invention
It is an object of the invention to provide a kind of active carbon nanoparticles and preparation method thereof, to overcome deficiencies of the prior art.
It is an object of the invention to be achieved through the following technical solutions:
A kind of preparation method of active carbon nanoparticles, the preparation method of described active carbon nanoparticles includes:
The ratio being respectively 1:1 ~ 1:7 and 1:1 ~ 1:4 in the weight ratio of activated carbon carbonized stock with potassium hydroxide and sodium hydroxide weighs, and the described activated carbon carbonized stock weighed, described potassium hydroxide and described sodium hydroxide are carried out mix and blend；
In activator promotor account for carbonized stock and potassium hydroxide and sodium hydroxide gross weight 1% ~ 3% ratio weigh described activator promotor, and the described activator promotor weighed added to described activated carbon carbonized stock, described potassium hydroxide and described sodium hydroxide mixture in carry out heating-up temperature be 350 ~ 500 DEG C, the heated at constant temperature time is the preliminary heating of 60 ~ 120min, so that the activation of described activated carbon carbonized stock；
Described activated carbon carbonized stock after activation is carried out heating-up temperature is 700 ~ 1000 DEG C, the rate of heat addition is 8 ~ 10 DEG C/min, the heated at constant temperature time is the degree of depth heating of 60 ~ 120 min, and the described activated carbon carbonized stock after heating the degree of depth cools down, cleans, dries, pulverizes, prepare described active carbon nanoparticles.
Further, described activator promotor includes phosphoric acid, oxidation silicone grease, ferrocene or carbon dioxide.
Further, the granular size of described activated carbon carbonized stock is 40 ~ 80 mesh.
Further, the mode of described cooling is recirculated water cooling.
Further, the temperature after described cooling is 30 ~ 50 DEG C.
Further, the pH value after described cleaning is 6 ~ 8.
The invention have the benefit that the present invention makes active carbon nanoparticles by raw material according to the above ratio, thus the specific surface area of the described active carbon nanoparticles prepared can be made to can reach 3000/g, there is the characteristics such as the mesopore of prosperity, strong absorbability, can be widely applied in the products such as air cleaning, lithium battery and ultracapacitor.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained, broadly fall into the scope of protection of the invention.
Embodiment 1
A kind of active carbon nanoparticles described in the embodiment of the present invention 1, is made up of carbonized stock, potassium hydroxide, sodium hydroxide and activator promotor, and wherein, described carbonized stock is 25kg, and potassium hydroxide is 50kg, and sodium hydroxide is 25kg, and activator promotor is 1kg.
The preparation method of described active carbon nanoparticles comprises the following steps:
(1) carbonized stock of 40 ~ 80 mesh 25kg is mixed with the potassium hydroxide of 50kg, the sodium hydroxide of 25kg respectively, stir；
(2) after adding the activator promotor of 1kg in step (1) and be heated to 350 ~ 500 degree of activation, constant temperature is kept 60 ~ 120 minutes；
(3) then move under conditions of high temperature furnace rises to 8 ~ 10 degree by temperature per minute, be heated to 700 ~ 1000 degree and constant temperature keeps 60 ~ 120 minutes；
(4) it is carried out after circulating water to 30 ~ 50 degree to pH value between 6 ~ 8；And
(5) carry out drying pulverizing.
Embodiment 2
A kind of active carbon nanoparticles described in the embodiment of the present invention 2, is made up of carbonized stock, potassium hydroxide, sodium hydroxide and activator promotor, and wherein, described carbonized stock is 20kg, and potassium hydroxide is 40kg, and sodium hydroxide is 40kg, and activator promotor is 1.5kg.
The preparation method of described active carbon nanoparticles comprises the following steps:
(1) carbonized stock of 40 ~ 80 mesh 20kg is mixed with the potassium hydroxide of 40kg, the sodium hydroxide of 40kg respectively, stir；
(2) after adding the activator promotor of 1.5kg in step (1) and be heated to 350 ~ 500 degree of activation, constant temperature is kept 60 ~ 120 minutes；
(3) then move under conditions of high temperature furnace rises to 8 ~ 10 degree by temperature per minute, be heated to 700 ~ 1000 degree and constant temperature keeps 60 ~ 120 minutes；
(4) it is carried out after circulating water to 30 ~ 50 degree to pH value between 6 ~ 8；And
(5) carry out drying pulverizing.
Embodiment 3
A kind of active carbon nanoparticles described in the embodiment of the present invention 3, is made up of carbonized stock, potassium hydroxide, sodium hydroxide and activator promotor, and wherein, described carbonized stock is 10kg, and potassium hydroxide is 50kg, and sodium hydroxide is 40kg, and activator promotor is 2kg.
The preparation method of described active carbon nanoparticles comprises the following steps:
(1) carbonized stock of 40 ~ 80 mesh 10kg is mixed with the potassium hydroxide of 50kg, the sodium hydroxide of 50kg respectively, stir；
(2) after adding the activator promotor of 2kg in step (1) and be heated to 350 ~ 500 degree of activation, constant temperature is kept 60 ~ 120 minutes；
(3) then move under conditions of high temperature furnace rises to 8 ~ 10 degree by temperature per minute, be heated to 700 ~ 1000 degree and constant temperature keeps 60 ~ 120 minutes；
(4) it is carried out after circulating water to 30 ~ 50 degree to pH value between 6 ~ 8；And
(5) carry out drying pulverizing.
The preparation method of the active carbon nanoparticles described in 1-3 according to embodiments of the present invention, the specific surface area of the active carbon nanoparticles prepared can reach 3000/g, there is the characteristics such as the mesopore of prosperity, strong absorbability, can be widely applied in the products such as air cleaning, lithium battery and ultracapacitor, its absorbability can meet the industry having higher requirements absorbability aborning, and then can better meet the demand of people.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under the enlightenment of the present invention; though but in its shape or structure, make any change, every have same as the present application or akin technical scheme, within all falling within protection scope of the present invention.
Claims (5)
1. the preparation method of an active carbon nanoparticles, it is characterised in that the preparation method of described active carbon nanoparticles includes:
The ratio being respectively 1:1 ~ 1:7 and 1:1 ~ 1:4 in the weight ratio of activated carbon carbonized stock with potassium hydroxide and sodium hydroxide weighs, and the described activated carbon carbonized stock weighed, described potassium hydroxide and described sodium hydroxide are carried out mix and blend；
In activator promotor account for carbonized stock and potassium hydroxide and sodium hydroxide gross weight 1% ~ 3% ratio weigh described activator promotor, and the described activator promotor weighed added to described activated carbon carbonized stock, described potassium hydroxide and described sodium hydroxide mixture in carry out heating-up temperature be 350 ~ 500 DEG C, the heated at constant temperature time is the preliminary heating of 60 ~ 120min, so that the activation of described activated carbon carbonized stock；
Described activated carbon carbonized stock after activation is carried out heating-up temperature is 700 ~ 1000 DEG C, and the rate of heat addition is 8 ~ 10 DEG C/min, and the heated at constant temperature time is 60 ~ 120
The degree of depth heating of min, and the described activated carbon carbonized stock after degree of depth heating is cooled down, cleans, dries, pulverizes, prepare described active carbon nanoparticles；
Described activator promotor includes phosphoric acid, ferrocene.
The preparation method of active carbon nanoparticles the most according to claim 1, it is characterised in that the granular size of described activated carbon carbonized stock is 40 ~ 80 mesh.
The preparation method of active carbon nanoparticles the most according to claim 1, it is characterised in that the mode of described cooling is recirculated water cooling.
The preparation method of active carbon nanoparticles the most according to claim 3, it is characterised in that the temperature after described cooling is 30 ~ 50 DEG C.
The preparation method of active carbon nanoparticles the most according to claim 1, it is characterised in that the pH value after described cleaning is 6 ~ 8.
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| CN107303368A (en) * | 2016-04-20 | 2017-10-31 | 马野 | One kind Chinese mugwort cancer health tablet+active carbon nanoparticles match injecting |
| CN109607534A (en) * | 2019-01-28 | 2019-04-12 | 广西农垦糖业集团昌菱制糖有限公司 | A kind of processing technology using bagasse production active carbon |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343058A (en) * | 2007-07-13 | 2009-01-14 | 李国君 | Absorbent charcoal special for electrical condenser manufactured with hard husk |
| CN101780954A (en) * | 2010-01-22 | 2010-07-21 | 核工业西南勘察设计研究院有限公司 | Carbon material with high surface activity and preparation method thereof |
| CN103771414A (en) * | 2014-01-13 | 2014-05-07 | 大连大学 | Method for preparing activated carbon with large specific surface area through rapid activation |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343058A (en) * | 2007-07-13 | 2009-01-14 | 李国君 | Absorbent charcoal special for electrical condenser manufactured with hard husk |
| CN101780954A (en) * | 2010-01-22 | 2010-07-21 | 核工业西南勘察设计研究院有限公司 | Carbon material with high surface activity and preparation method thereof |
| CN103771414A (en) * | 2014-01-13 | 2014-05-07 | 大连大学 | Method for preparing activated carbon with large specific surface area through rapid activation |
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Denomination of invention: Nano activated carbon and preparation method thereof Effective date of registration: 20160830 Granted publication date: 20160817 Pledgee: Ruifeng Tianli (Beijing) Investment Company Limited Pledgor: The science and Technology (Beijing) Co., Ltd. Yimeng Registration number: 2016990000749 |
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