Synthesis and CO2 capture properties of nanocrystalline lithium zirconate

被引:111
作者
Ochoa-Fernandez, Esther
Ronning, Magnus
Grande, Tor
Chen, De
机构
[1] Norwegian Univ Sci & Technol, Dept Chem Engn, NO-7491 Trondheim, Norway
[2] Norwegian Univ Sci & Technol, Dept Mat Sci & Engn, NO-7491 Trondheim, Norway
关键词
D O I
10.1021/cm061515d
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Nanocrystalline tetragonal Li2ZrO3 was prepared by a novel soft-chemistry route, resulting in powders with good properties for CO2 capture at high temperatures. The CO2 capture and regeneration properties of the material were investigated by a tapered element oscillating microbalance (TEOM) in a wide range of temperatures and partial pressures of CO2. The nanocrystalline tetragonal Li2ZrO3 has superior CO2 capture and regeneration properties compared to monoclinic Li2ZrO3 prepared by solid-state synthesis. Moreover, the regeneration could be performed at a lower temperature, and a high stability of the CO2 capture/regeneration capacity was observed. The nanocrystalline tetragonal Li2ZrO3 opens new opportunities for the application of solid acceptors in CO2 capture in both post- and precombustion processes in power generation.
引用
收藏
页码:6037 / 6046
页数:10
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