Banana tree base activated carbon and preparation method thereof

A technology of activated carbon and banana tree, which is applied in the field of banana tree-based activated carbon and its preparation, can solve the problems of polluting the environment, waste of resources, etc., and achieves the effects of high specific surface area, strong adsorption capacity, and beneficial to comprehensive utilization and environmental protection.

Inactive Publication Date: 2012-12-19
YULIN NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the felled banana trees are piled up as waste, which not

Method used

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  • Banana tree base activated carbon and preparation method thereof
  • Banana tree base activated carbon and preparation method thereof
  • Banana tree base activated carbon and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0029] Example 1

[0030] (1) Wash and cut the banana trees (banana stems, banana stems, banana leaves) into small pieces, and dry them at 110°C;

[0031] (2) Crush the dried banana trees to a particle size of 40 mesh to obtain banana tree powder;

[0032] (3) Place the banana tree powder in a microwave irradiation device, and heat and carbonize under oxygen barrier for 15 minutes under the microwave power of 560W to obtain the carbonized material;

[0033] (4) The carbonized material is ground and mixed evenly with the activator potassium hydroxide powder (the mass ratio of carbonized material to potassium hydroxide powder is 1:2) to obtain a mixture;

[0034] (5) The mixture is placed in a microwave radiation device, and activated under oxygen barrier heating for 8 minutes at a microwave power of 560W to obtain an activated material;

[0035] (6) The activation material is first soaked in 10% hydrochloric acid solution for 1 hour, and the solid and liquid are separated. Th...

Example Embodiment

[0037] Example 2

[0038] (1) Wash and cut the banana trees (banana stems, banana stems, banana leaves) into small pieces, and dry them at 110°C;

[0039] (2) Crush the dried banana trees to a particle size of 40 mesh to obtain banana tree powder;

[0040] (3) Place the banana tree powder in a microwave irradiation device, and heat and carbonize under oxygen barrier for 15 minutes under the microwave power of 560W to obtain the carbonized material;

[0041] (4) The carbonized material is ground and mixed evenly with the activator potassium hydroxide powder (the mass ratio of carbonized material to potassium hydroxide powder is 1:2) to obtain a mixture;

[0042] (5) The mixture is placed in a microwave radiation device, and activated under oxygen barrier heating for 6 minutes at a microwave power of 700W to obtain an activated material;

[0043] (6) The activation material is first soaked in 10% hydrochloric acid solution for 1 hour, and the solid and liquid are separated. Th...

Example Embodiment

[0045] Example 3

[0046] (1) Wash and cut the banana trees (banana stems, banana stems, banana leaves) into small pieces, and dry them at 110°C;

[0047] (2) Grinding the dried banana trees to a particle size of 50 mesh to obtain banana tree powder;

[0048] (3) Place the banana tree powder in a microwave irradiation device, and heat and carbonize under oxygen barrier for 15 minutes under the microwave power of 560W to obtain the carbonized material;

[0049] (4) The carbonized material is ground and mixed evenly with the activator potassium hydroxide powder (the mass ratio of carbonized material to potassium hydroxide powder is 1:1) to obtain a mixture;

[0050] (5) The mixture is placed in a microwave radiation device, and activated under oxygen barrier heating for 7 minutes at a microwave power of 420W to obtain an activated material;

[0051] (6) The activation material was first soaked in 10% hydrochloric acid solution for 1 hour, and the solid and liquid were separate...

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Abstract

The invention discloses banana tree base activated carbon and a preparation method of the banana tree base activated carbon. The preparation method of the activated carbon comprises the following steps of: taking banana tree as a raw material, and treating banana tree by a microwave radiation process and a chemical activation process, so that the banana tree base activated carbon which is multiple in micropores, high in specific surface area and high in adsorption ability can be obtained, and can be taken as high-performance activated carbon adsorbent. The banana tree base activated carbon belongs to the waste utilization of agricultural and sideline products, and is good for the environment protection. After the invention is used, the abundant carbon resources of the special industrial waste material can be abundantly used, the environment pollution caused by the special industrial waste material can be avoided, and the sources channel of the high-performance activated carbon production raw material in China can be widened; and the added value of the banana industry can be effectively improved, and the banana tree base activated carbon is considerable in economic benefit and social benefit.

Description

technical field [0001] The invention belongs to the technical field of activated carbon preparation, in particular to a banana-based activated carbon and a preparation method thereof. Background technique [0002] Activated carbon is an adsorbent with excellent performance, which is widely used in almost all fields and is an indispensable product in national economic construction and people's daily life. With the continuous improvement of people's requirements for the quality of life, the demand for activated carbon is also increasing year by year. Due to the shortage of wood and coal resources, more and more attention has been paid to the research on the production of activated carbon by using agricultural and forestry wastes as raw materials at home and abroad, and some have achieved industrialization. Agricultural and forestry wastes, especially crops and plants (coconut shells, walnut shells, corn cobs, tobacco stems, wheat straw, rice straw, etc.) mostly have a certain...

Claims

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Application Information

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IPC IPC(8): C01B31/12C01B32/348
Inventor 谢祖芳朱万仁庞起陈渊何军刘荣军何冬梅
Owner YULIN NORMAL UNIVERSITY
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