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
收藏
页码：255 / 262
页数：8
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