Layered double hydroxides/oxidized carbon nanotube nanocomposites for CO2 capture

被引：48

作者：

Wang, Junya ^{[1
]}

Huang, Liang ^{[1
]}

Zheng, Qianwen ^{[1
]}

Qiao, Yaqian ^{[1
]}

Wang, Qiang ^{[1
]}

机构：

[1] Beijing Forestry Univ, Coll Environm Sci & Engn, 35 Qinghua East Rd, Beijing 100083, Peoples R China

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2016年 / 36卷

基金：

中国国家自然科学基金;

关键词：

CO2; adsorbent; Hydrotalcite; Sorption enhanced water gas shift; Synthesis method; Stability; DOUBLE HYDROXIDE; HYDROTALCITE; ADSORPTION; SORPTION; GRAPHENE; PERFORMANCE; OXIDATION;

D O I：

10.1016/j.jiec.2016.02.010

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A systematic investigation on the influence of synthesis method and chemical composition of LDH/oxidized carbon nanotube (LDH/OCNT) nanocomposites on their CO2 capture performance were performed. Three LDH/OCNT nanocomposites were prepared using two methods: "electrostatic self-assembly" and "direct co-precipitation". All LDH/OCNT nanocomposites were thoroughly characterized. The isothermal CO2 adsorption at different temperatures (60-400 degrees C) and adsorption/desorption cycling tests were conducted. Both the CO2 adsorption capacity and the multi-cycle stability of LDH derived adsorbents were improved by the introduction of OCNT. In particular, the absolute CO2 capture capacity of Mg-Al-NO3 LDH was increased by more than twice by adding 9.1 wt% OCNT. (C) 2016 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：255 / 262

页数：8

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