CN104129786A - Nano activated carbon and preparation method thereof - Google Patents
Nano activated carbon and preparation method thereof Download PDFInfo
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- CN104129786A CN104129786A CN201410362798.4A CN201410362798A CN104129786A CN 104129786 A CN104129786 A CN 104129786A CN 201410362798 A CN201410362798 A CN 201410362798A CN 104129786 A CN104129786 A CN 104129786A
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- active charcoal
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Abstract
The invention relates to nano activated carbon which is prepared from the following raw materials: an activated carbon carbonized material, potassium hydroxide, sodium hydroxide and an auxiliary activator, wherein the weight ratio of the activated carbon carbonized material to potassium hydroxide is 1:1-1:7, the weight ratio of the activated carbon carbonized material to sodium hydroxide is 1:1-1:4, and the auxiliary activator accounts for 1%-3% of the total weight of the carbonized material, potassium hydroxide and sodium hydroxide. Preparation comprises the steps: taking the raw materials according to the proportion, and stirring evenly; adding the auxiliary activator; heating; cooling and filtering; and drying and crushing. The nano activated carbon has the beneficial effects that the nano activated carbon has the specific surface area reaching 3000 m<2>/g, has the characteristics of well-developed mesopores, strong adsorption ability and the like, and can be widely applied to air purification, lithium batteries, super capacitors and other products.
Description
Technical field
The present invention relates to a kind of nano active charcoal and preparation method thereof.
Background technology
Nano active charcoal is a kind of nano surface particle, has the system that irregular structure is mixed with nano-space.Its Fibre diameter is thin, large with the contact area of the thing being adsorbed, and can reach uniform contact and absorption.
At present, along with social development, attention degree to the application of nano active charcoal is more and more higher, simple application in life is progressively applied in the industrial circle of all trades and professions, for example, purification, obnoxious flavour and the liquid of gas and liquid adsorption treatment, lithium cell and ultracapacitor in application; Yet for the adsorptive power of existing nano active charcoal, the adsorptive power of existing nano active charcoal still cannot meet the industry in production, adsorptive power being had higher requirements, and then cannot meet preferably people's demand.
Summary of the invention
The object of this invention is to provide a kind of nano active charcoal and preparation method thereof, to overcome prior art above shortcomings.
The object of the invention is to be achieved through the following technical solutions:
A kind of nano active charcoal, by following raw material, made: gac carbonized stock, potassium hydroxide, sodium hydroxide and activator promotor, wherein, the weight ratio of described gac carbonized stock and potassium hydroxide and described sodium hydroxide is respectively 1:1 ~ 1:7 and 1:1 ~ 1:4, and described activator promotor accounts for 1% ~ 3% of carbonized stock and potassium hydroxide and sodium hydroxide gross weight.
Further, described activator promotor comprises phosphoric acid, oxidation silicone grease, ferrocene or carbonic acid gas.
Further, the granular size of described gac carbonized stock is 40 ~ 80 orders.
The preparation method of above-mentioned nano active charcoal comprises:
Take according to the above ratio described gac carbonized stock, described potassium hydroxide and described sodium hydroxide, and the described gac carbonized stock taking, described potassium hydroxide and described sodium hydroxide are carried out to mix and blend;
Take according to the above ratio described activator promotor, and the described activator promotor taking is added in the mixture of described gac carbonized stock, described potassium hydroxide and described sodium hydroxide and tentatively heats, so that the activation of described gac carbonized stock;
Described gac carbonized stock after activation is carried out to degree of depth heating, and to the described gac carbonized stock after degree of depth heating carry out cooling, clean, dry, pulverize, make described nano active charcoal.
Further, described preliminary Heating temperature is 350 ~ 500 ℃, and the thermostatically heating time is 60 ~ 120min.
Further, described degree of depth Heating temperature is 700 ~ 1000 ℃, and heating rate is 8 ~ 10 ℃/min, and the thermostatically heating time is 60 ~ 120 min.
Further, described cooling mode is recirculated water cooling.
Further, described cooled temperature is 30 ~ 50 ℃.
Further, the pH value after described cleaning is 6 ~ 8.
Beneficial effect of the present invention is: the present invention makes nano active charcoal by raw material according to the above ratio, thereby can make the specific surface area of the described nano active charcoal that makes can reach 3000 ㎡/g, there is the characteristics such as flourishing mesopore, strong adsorptive power, can be widely used in the products such as purifying air, lithium cell and ultracapacitor.
Embodiment
Below in conjunction with specific embodiment, technical scheme of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain, belongs to the scope of protection of the invention.
Embodiment 1
A kind of nano active charcoal described in the embodiment of the present invention 1, is comprised 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 nano active charcoal comprises the following steps:
(1) carbonized stock of 40 ~ 80 order 25kg is mixed with the potassium hydroxide of 50kg, the sodium hydroxide of 25kg respectively, stir;
(2) in step (1), add the activator promotor of 1kg after and be heated to 350 ~ 500 degree activation, keep constant temperature 60 ~ 120 minutes;
(3) then move to and under High Temperature Furnaces Heating Apparatus rises to 8 ~ 10 degree conditions by per minute temperature, be heated to 700 ~ 1000 degree and constant temperature keeps 60 ~ 120 minutes;
(4) after the degree of circulating water to 30 ~ 50, clean to pH value between 6 ~ 8; And
(5) dry pulverizing.
Embodiment 2
A kind of nano active charcoal described in the embodiment of the present invention 2, is comprised 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 nano active charcoal comprises the following steps:
(1) carbonized stock of 40 ~ 80 order 20kg is mixed with the potassium hydroxide of 40kg, the sodium hydroxide of 40kg respectively, stir;
(2) in step (1), add the activator promotor of 1.5kg after and be heated to 350 ~ 500 degree activation, keep constant temperature 60 ~ 120 minutes;
(3) then move to and under High Temperature Furnaces Heating Apparatus rises to 8 ~ 10 degree conditions by per minute temperature, be heated to 700 ~ 1000 degree and constant temperature keeps 60 ~ 120 minutes;
(4) after the degree of circulating water to 30 ~ 50, clean to pH value between 6 ~ 8; And
(5) dry pulverizing.
Embodiment 3
A kind of nano active charcoal described in the embodiment of the present invention 3, is comprised 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 nano active charcoal comprises the following steps:
(1) carbonized stock of 40 ~ 80 order 10kg is mixed with the potassium hydroxide of 50kg, the sodium hydroxide of 50kg respectively, stir;
(2) in step (1), add the activator promotor of 2kg after and be heated to 350 ~ 500 degree activation, keep constant temperature 60 ~ 120 minutes;
(3) then move to and under High Temperature Furnaces Heating Apparatus rises to 8 ~ 10 degree conditions by per minute temperature, be heated to 700 ~ 1000 degree and constant temperature keeps 60 ~ 120 minutes;
(4) after the degree of circulating water to 30 ~ 50, clean to pH value between 6 ~ 8; And
(5) dry pulverizing.
According to the preparation method of the nano active charcoal described in embodiment of the present invention 1-3, the specific surface area of the nano active charcoal making can reach 3000 ㎡/g, there is the characteristics such as flourishing mesopore, strong adsorptive power, can be widely used in the products such as purifying air, lithium cell and ultracapacitor, its adsorptive power can meet the industry aborning adsorptive power being had higher requirements, and then can better meet people's demand.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but do any variation in its shape or structure; every have identical with a application or akin technical scheme, within all dropping on protection scope of the present invention.
Claims (9)
1. a nano active charcoal, it is characterized in that, by following raw material, made: gac carbonized stock, potassium hydroxide, sodium hydroxide and activator promotor, wherein, the weight ratio of described gac carbonized stock and potassium hydroxide and described sodium hydroxide is respectively 1:1 ~ 1:7 and 1:1 ~ 1:4, and described activator promotor accounts for 1% ~ 3% of carbonized stock and potassium hydroxide and sodium hydroxide gross weight.
2. nano active charcoal according to claim 1, is characterized in that: described activator promotor comprises phosphoric acid, oxidation silicone grease, ferrocene or carbonic acid gas.
3. nano active charcoal according to claim 1 and 2, is characterized in that, the granular size of described gac carbonized stock is 40 ~ 80 orders.
4. a preparation method for nano active charcoal, is characterized in that, for the preparation of the nano active charcoal described in claim 1 ~ 3 any one, and the preparation method of described nano active charcoal comprises:
Take according to the above ratio described gac carbonized stock, described potassium hydroxide and described sodium hydroxide, and the described gac carbonized stock taking, described potassium hydroxide and described sodium hydroxide are carried out to mix and blend;
Take according to the above ratio described activator promotor, and the described activator promotor taking is added in the mixture of described gac carbonized stock, described potassium hydroxide and described sodium hydroxide and tentatively heats, so that the activation of described gac carbonized stock;
Described gac carbonized stock after activation is carried out to degree of depth heating, and to the described gac carbonized stock after degree of depth heating carry out cooling, clean, dry, pulverize, make described nano active charcoal.
5. the preparation method of nano active charcoal according to claim 4, is characterized in that, described preliminary Heating temperature is 350 ~ 500 ℃, and the thermostatically heating time is 60 ~ 120min.
6. the preparation method of nano active charcoal according to claim 4, is characterized in that, described degree of depth Heating temperature is 700 ~ 1000 ℃, and heating rate is 8 ~ 10 ℃/min, and the thermostatically heating time is 60 ~ 120 min.
7. the preparation method of nano active charcoal according to claim 4, is characterized in that, described cooling mode is recirculated water cooling.
8. according to the preparation method of the nano active charcoal described in claim 4 or 7, it is characterized in that, described cooled temperature is 30 ~ 50 ℃.
9. the preparation method of nano active charcoal according to claim 4, is characterized in that, the pH value after described cleaning is 6 ~ 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410362798.4A CN104129786B (en) | 2014-07-29 | 2014-07-29 | A kind of active carbon nanoparticles and preparation method thereof |
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| CN201410362798.4A CN104129786B (en) | 2014-07-29 | 2014-07-29 | A kind of active carbon nanoparticles and preparation method thereof |
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| CN104129786A true CN104129786A (en) | 2014-11-05 |
| CN104129786B CN104129786B (en) | 2016-08-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2014
- 2014-07-29 CN CN201410362798.4A patent/CN104129786B/en not_active Expired - Fee Related
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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN104129786B (en) | 2016-08-17 |
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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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