Modification of cao by organic alumina precursor for enhancing cyclic capture of co2 greenhouse gas

Yi Tsen Chen, Mani Karthik, Hsun-Ling Bai*

*此作品的通信作者

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8 引文 斯高帕斯(Scopus)

摘要

The modification of CaO sorbent with organic alumina precursor to enhance the sorption capacity during cyclic capture is demonstrated in this study. The results indicate that during the 10 min sorption time for each cycle, the C O2 sorption capacity of original CaO sorbent is significantly decreased from 0.27 to 0.19 and 0.12 g C O2 /g sorbent after 5 and 60 cycles, respectively. On the other hand, the organic alumina modified CaO has a fresh capacity of 0.22 g C O2 /g sorbent, it increases to 0.24 g C O2 /g sorbent after 5 cycles, and then decreases to around 0.15 g C O2 /g sorbent after 60 cycles. When increasing the sorption time to 60 min at the 66th cycle, the sorption capacity of original CaO is 0.2, whereas it is 0.26 g C O2 /g sorbent for organic alumina modified CaO. The results demonstrate that by adding only 5% by weight of Ca12 Al 14 O33 species into the CaO sorbent, the C O2 sorption capacity can be enhanced up to ∼27% by weight.

原文English
頁(從 - 到)459-464
頁數6
期刊Journal of Environmental Engineering
135
發行號6
DOIs
出版狀態Published - 28 8月 2009

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