A kind of nano activated carbon and preparation method thereof

A technology of nanometer activated carbon and activated carbon, which is applied in the field of nanometer activated carbon and its preparation, can solve the problem that the adsorption capacity of nanometer activated carbon cannot meet the higher requirements of adsorption capacity, and achieve the effect of developed mesopores and strong adsorption capacity.

Inactive Publication Date: 2016-08-17
亚欧益盟科技(北京)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, with the development of society, more and more attention is paid to the application of nano-activated carbon, which is gradually applied to various industrial fields from simple applications in life, for example, in the purification of gases and liquids, harmful gases and liquids Adsorption treatment, application in lithium batteries and supercapacitors; however, for the adsorption capacity of the existing nano-activated carbon, the adsorption capacity of the existing nano-activated carbon is still unable to meet the needs of industries that have higher requirements for adsorption capacity in production. , and thus cannot better meet people's needs

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0018] A kind of nano-activated carbon described in Example 1 of the present invention is made up of carbonized material, potassium hydroxide, sodium hydroxide and coactivator, wherein, described carbonized material is 25kg, potassium hydroxide is 50kg, and sodium hydroxide is 25kg , co-activator is 1kg.

[0019] The preparation method of described nano activated carbon comprises the following steps:

[0020] (1) Mix 25kg of carbonized material of 40~80 mesh with 50kg of potassium hydroxide and 25kg of sodium hydroxide respectively, and stir evenly;

[0021] (2) After adding 1kg of co-activator in step (1), heat it to 350~500 degrees to activate it, and keep it at a constant temperature for 60~120 minutes;

[0022] (3) Then move to a high-temperature furnace and heat it to 700-1000 degrees under the condition that the temperature rises to 8-10 degrees per minute and keep the temperature at a constant temperature for 60-120 minutes;

[0023] (4) After being cooled to 30-50 de...

Embodiment 2

[0026] A kind of nano-activated carbon described in embodiment 2 of the present invention is made up of carbonized material, potassium hydroxide, sodium hydroxide and coactivator, wherein, described carbonized material is 20kg, potassium hydroxide is 40kg, and sodium hydroxide is 40kg , co-activator is 1.5kg.

[0027] The preparation method of described nano activated carbon comprises the following steps:

[0028] (1) Mix 20kg of carbonized material of 40~80 mesh with 40kg of potassium hydroxide and 40kg of sodium hydroxide respectively, and stir evenly;

[0029] (2) After adding 1.5kg of co-activator in step (1), heat it to 350~500 degrees to activate, and keep the constant temperature for 60~120 minutes;

[0030] (3) Then move to a high-temperature furnace and heat it to 700-1000 degrees under the condition that the temperature rises to 8-10 degrees per minute and keep the temperature at a constant temperature for 60-120 minutes;

[0031] (4) After being cooled to 30-50 de...

Embodiment 3

[0034] A kind of nano-activated carbon described in embodiment 3 of the present invention is made up of carbonized material, potassium hydroxide, sodium hydroxide and coactivator, wherein, described carbonized material is 10kg, potassium hydroxide is 50kg, and sodium hydroxide is 40kg , The co-activator is 2kg.

[0035] The preparation method of described nano activated carbon comprises the following steps:

[0036] (1) Mix 10kg of carbonized material of 40~80 mesh with 50kg of potassium hydroxide and 50kg of sodium hydroxide respectively, and stir evenly;

[0037] (2) After adding 2kg of co-activator in step (1), heat it to 350~500 degrees to activate, and keep the constant temperature for 60~120 minutes;

[0038] (3) Then move to a high-temperature furnace and heat it to 700-1000 degrees under the condition that the temperature rises to 8-10 degrees per minute and keep the temperature at a constant temperature for 60-120 minutes;

[0039] (4) After being cooled to 30-50 de...

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Abstract

The present invention relates to a nano activated carbon, which is made of the following raw materials: activated carbon carbonized material, potassium hydroxide, sodium hydroxide and co-activator, wherein the weight ratio of the activated carbon carbonized material to potassium hydroxide and the sodium hydroxide 1:1~1:7 and 1:1~1:4 respectively, and the co-activator accounts for 1%~3% of the total weight of carbonized material, potassium hydroxide and sodium hydroxide. The preparation steps are: taking materials in proportion and stirring evenly; adding co-activator; heating; cooling and filtering; and drying and pulverizing. The beneficial effects of the present invention are: the specific surface area of ​​the nano-activated carbon can reach 3000㎡ / g, has developed mesopores, strong adsorption capacity and other characteristics, and can be widely used in products such as air purification, lithium batteries and supercapacitors.

Description

technical field [0001] The invention relates to a nano activated carbon and a preparation method thereof. Background technique [0002] Nano-activated carbon is a kind of surface nano-particles with irregular structure and mixed nano-space system. The fiber diameter is thin, and the contact area with the adsorbed substance is large, which can achieve uniform contact and adsorption. [0003] At present, with the development of society, more and more attention is paid to the application of nano-activated carbon, which is gradually applied to various industrial fields from simple applications in life, for example, in the purification of gases and liquids, harmful gases and liquids Adsorption treatment, application in lithium batteries and supercapacitors; however, for the adsorption capacity of the existing nano-activated carbon, the adsorption capacity of the existing nano-activated carbon is still unable to meet the needs of industries that have higher requirements for adsor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B31/12
Inventor 张拉社朱永和孙文赛
Owner 亚欧益盟科技(北京)有限公司
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