洁净煤技术

2001, (03) 54-56

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太西无烟煤制活性炭孔隙结构分析
Pore Structure Analysis of Taixi Anthracite based Activated Carbon

李书荣,张文辉,王岭,闫文瑞
LI Shu-rong,ZHANG Wen-hui,WANG Ling,YAN Wen-rei(Beijing Research institute of Coal Chemistry, CCRI Beijing 100013,China)

摘要(Abstract):

在CARLO -ERBA 180 0自动吸附仪上使用N2 吸附法分析了以太西无烟煤为原料 ,用几种不同工艺生产的煤基活性炭的孔隙结构。用BET方程处理N2 等温吸附数据 ,测得活性炭的BET表面积和孔体积 ,计算出活性炭的平均孔半径 ,研究了活性炭的孔径分布情况 ,用丁烷工作容量 (BWC)来分析评价活性炭的吸附———脱附性能 ,分析结果表明用催化活化法制备的活性炭吸附———脱附性能最好
Coal based activated carbon was made by different production process and Taixi anthracite as raw material. The pore structure of this coal-based activated carbon is analysis by N 2 adsorption method on CARLO-ERBA 1800 automatic apparatus. The N 2 isothermal adsorption data are treated by BET equation to obtain BET surface area and pore volume of activated carbon and to calculate the average pore radius. The pore diameter distribution of activated carbon is studied. Adsorption and desorption property of activated carbon were analyzed and evaluated by BWC. The result is shown that, the best adsorption and desorption property of activated carbon is made by catalytic activation process.

关键词(KeyWords): 煤质活性炭;孔隙结构;工作容量
coal based activated carbon; pore structure; operating capacity

Abstract:

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基金项目(Foundation): 国家自然科学基金项目 ( 5 9872 0 13)

作者(Author): 李书荣,张文辉,王岭,闫文瑞
LI Shu-rong,ZHANG Wen-hui,WANG Ling,YAN Wen-rei(Beijing Research institute of Coal Chemistry, CCRI Beijing 100013,China)

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DOI: 10.13226/j.issn.1006-6772.2001.03.014

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