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作者:

Li, YL (Li, YL.) | Li, J (Li, J.) | Jin, YQ (Jin, YQ.) | Wu, YQ (Wu, YQ.) | Gao, JS (Gao, JS.)

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EI Scopus SCIE

摘要:

Six natural mineral sorbents and a series of self-made sorbents were used to remove alkali-metal vapor from high-temperature coal gas. Results indicate that the self-made sorbent GM6 is the best sorbent with the highest sodium compound content, under the conditions of 1173 K, a gas velocity of 16 L/min, a reaction time of 3 h, and a NaCl concentration of 0.13 mg/L. It is shown that the sodium compound content is dependent on the chemical constituents and the microporous structure of sorbent, based on the surface area data. Results of X-ray diffraction (XRD) analysis and the kinetics indicate that the adsorption process of GM6 is physical adsorption in an N-2 atmosphere and it is controlled by the diffusion of a sodium resultant layer. The adsorption process in a N-2/H2O(2%) atmosphere is mainly a chemical adsorption that is controlled by both the chemical control and the product-layer diffusion control.

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作者机构:

  • [ 1 ] Beijing Univ Technol, Coll Environm & Energy Engn, Beijing 100022, Peoples R China

通讯作者信息:

  • [Li, YL]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing 100022, Peoples R China

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来源 :

ENERGY & FUELS

ISSN: 0887-0624

年份: 2005

期: 4

卷: 19

页码: 1606-1610

5 . 3 0 0

JCR@2022

ESI学科: ENGINEERING;

JCR分区:1

被引次数:

WoS核心集被引频次: 22

SCOPUS被引频次: 23

ESI高被引论文在榜: 0 展开所有

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