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Method of preparing micropore carbon

A microporous carbon and carbonization technology, applied in chemical instruments and methods, other chemical processes, etc., can solve problems such as poor controllability

Inactive Publication Date: 2008-08-06
BEIHANG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Poor controllability of pore structure

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0006] Embodiment 1: Adopting the phenolic resin with an average molecular weight of 11500 as raw material, dissolving it in ethanol to make a uniform solution, adding 6%% hexamethylenetetramine, coating the solution on a stainless steel support, and drying naturally Afterwards, at a heating rate of 0.5 degree per minute, the temperature is raised to 800 degree, kept at a constant temperature for 1 hour, and naturally cooled to room temperature, the nitrogen adsorption hole diameter of the obtained microporous carbon is

Embodiment 2

[0007] Embodiment 2: adopt the phenolic resin that average molecular weight is 2000 as raw material, dissolve it in ethanol to make uniform solution, add 6% hexamethylenetetramine, the solution is coated on the stainless steel support body, after natural drying With a heating rate of 0.5 degrees per minute, the temperature is raised to 800 degrees, kept at a constant temperature for 1 hour, and naturally cooled to room temperature. The nitrogen adsorption hole diameter of the obtained microporous carbon is

Embodiment 3

[0008] Embodiment 3: adopt the phenolic resin that average molecular weight is 460 as raw material, be dissolved in ethanol and make uniform solution, add 6%% hexamethylenetetramine, solution is coated on the stainless steel support body, naturally dry Afterwards, at a rate of 0.5 degrees per minute, the temperature was raised to 800 degrees, kept at a constant temperature for 1 hour, and naturally cooled to room temperature. The nitrogen adsorption hole diameter of the obtained microporous carbon was

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PUM

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Abstract

The invention relates to a microporous carbon material, which can be applied to fields such as molecular absorption, pressure swing adsorption separating and barrier separation. The invention discloses a method for preparing the microporous carbon material by taking phenolic resin as raw material and molding, drying and charring. Through controlling the structure of phenolic resin, the pore structure of microporous carbon material can be controlled, so as to meet the demand of the pore structure from different application field.

Description

field of invention [0001] The invention relates to a porous carbon material containing micropores, which can be used as a molecular adsorbent, a pressure swing adsorption adsorbent, a separation membrane material, a catalyst, a carrier and the like. A preparation method of microporous carbon is proposed. Background technique [0002] The current microporous carbons are generally made of high-carbon materials, such as coal, nut shells, polymer materials, etc., and are prepared by carbonization or activation methods, and the pores are further modified by carbon deposition and other methods. The controllability of the pore structure is poor. The preparation of microporous carbon materials by a new pore-adjusting technology can meet different application requirements and improve the operability of the process. The invention provides a method for preparing microporous carbon by using phenolic resin as a raw material, which can effectively regulate the pore structure by regulati...

Claims

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Application Information

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IPC IPC(8): C01B31/02C01B31/08B01J20/20
Inventor 秦国彤董成旭魏微
Owner BEIHANG UNIV
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