Method for preparing foam carbon adsorbing material with template process

A technology of adsorption material and foam carbon, which is applied in chemical instruments and methods, carbon compounds, inorganic chemistry, etc., can solve the problems of foam carbon oil and coal resource shortage, achieve uniform size, easy source of raw materials, and solve increasingly effect of shortage

Inactive Publication Date: 2017-05-10
GUANGXI UNIV +1
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a method for preparing foamed carbon adsorption material by template method, thereby solving the problem that the raw materials for preparing foamed carbon, oil and coal resources, are increasingly in short supply, and that a large amount of waste biomass produced in our country urgently needs effective resource technology.

Method used

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  • Method for preparing foam carbon adsorbing material with template process
  • Method for preparing foam carbon adsorbing material with template process
  • Method for preparing foam carbon adsorbing material with template process

Examples

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Effect test

Embodiment 1

[0030] The preparation of foam carbon adsorption material based on eucalyptus wood powder comprises the following steps:

[0031] (1) Pretreatment of waste biomass: The eucalyptus wood chips from the wood processing plant were pretreated by cleaning, drying and crushing, and then used as raw materials for future use.

[0032] (2) Liquefaction of eucalyptus powder: Mix 5 g of pulverized eucalyptus powder with 15 g of phenol, add 0.25 mL of concentrated sulfuric acid (concentration: 98%) and 1 mL of phosphoric acid (concentration: 85%), and liquefy at 180°C for 2 hours . The liquefied product was cooled to room temperature, washed with methanol, filtered under reduced pressure to obtain a methanol-liquefied product, and then the methanol was distilled off under reduced pressure in a rotary evaporator at 50°C to obtain a liquefied product.

[0033] (3) Resinization of the liquefied product: the obtained liquefied product was placed in a three-necked flask, and 5 mL of 1.25 mol / L...

Embodiment 2

[0038] The preparation of foam carbon adsorption material based on eucalyptus wood powder comprises the following steps:

[0039] (1) Pretreatment of waste biomass: The eucalyptus wood chips from the wood processing plant were pretreated by cleaning, drying and crushing, and then used as raw materials for future use.

[0040] (2) Liquefaction of eucalyptus powder: Mix 5 g of pulverized eucalyptus powder with 15 g of phenol, add 0.25 mL of concentrated sulfuric acid (98%) and 1 mL of phosphoric acid (85%), and liquefy at 160°C for 2 hours . The liquefied product was cooled to room temperature, washed with methanol, filtered under reduced pressure to obtain a methanol-liquefied product, and then the methanol was distilled off under reduced pressure in a rotary evaporator at 50°C to obtain a liquefied product.

[0041](3) Resinization of the liquefied product: the obtained liquefied product was placed in a three-necked flask, and 5 mL of 1.25 mol / L NaOH solution was added. Afte...

Embodiment 3

[0046] The preparation of foamed carbon adsorption material based on rice straw comprises the following steps:

[0047] (1) Pretreatment of waste biomass: the rice straws taken from the farmland are pretreated by cleaning, drying and crushing, and then used as raw materials for later use.

[0048] (2) Liquefaction of straw: Mix 5 g of pulverized powder with 15 g of phenol, add 0.25 mL of concentrated sulfuric acid (concentration: 98%) and 1 mL of phosphoric acid (concentration: 85%), and liquefy at 160°C for 2 hours. The liquefied product was cooled to room temperature, washed with methanol, filtered under reduced pressure to obtain a methanol-liquefied product, and then the methanol was distilled off under reduced pressure in a rotary evaporator at 50°C to obtain a liquefied product.

[0049] (3) Resinization of the liquefied product: the obtained liquefied product was placed in a three-necked flask, and 5 mL of 1.25 mol / L NaOH solution was added. After adding 25mL of 37% fo...

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Abstract

The invention discloses a method for preparing a foam carbon adsorbing material with a template process. The method comprises following steps: (1), pretreatment of waste biomass; (2), liquefaction of the waste biomass; (3), resinification of a liquefied product; (4), preparation of a precursor of foam carbon: a template agent used as a foam carbon framework is repeatedly impregnated in resinified colloid, and after an organic solvent is removed through volatilization, a precursor product of foam carbon is obtained; (5), activation and carbonization of the foam carbon precursor: the foam carbon precursor is put in an activator solution for impregnation and then is calcinated, and the foam carbon adsorbing material is obtained. With the adoption of the method, a liquefaction technology, a resinification technology, a technology for preparing the foam carbon precursor with the template process and an activation technique are combined, so that porous foam carbon with uniform size and orderly structure can be synthesized and prepared.

Description

technical field [0001] The invention relates to the fields of solid organic waste recycling and environmental pollution control, in particular to a method for preparing foam carbon adsorption materials by using a template method. Background technique [0002] Foamed carbon is a lightweight porous carbon material with a three-dimensional network structure composed of cells and interconnected cell walls. It has the characteristics of light specific gravity, large surface area, high mechanical strength, and stable chemical and thermodynamic properties. Yes, according to the purpose of the prepared carbon foam, by adding appropriate related raw materials in the preparation process of the foam carbon, it is possible to prepare foam carbon materials with specific functions, such as foam carbon with catalytic and adsorption functions. At the same time, it can be made into any specification and shape according to needs, which is convenient for use and recycling. The raw materials f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B32/324C01B32/348
CPCC01P2004/03C01P2006/10
Inventor 孙蕾万顺刚袁丹陈冬梅喻泽斌
Owner GUANGXI UNIV
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