Impact of calcium on the synergistic effect for the reactivity of coal char gasification in H2O/CO2 mixtures
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- 作者：Meiqi Gao ; Zhirong Yang ; Yulong Wang ; Yonghui Bai ; Fan Li ; lifan66@hotmail.com" class="auth_mail" title="E-mail the corresponding author ; Kechang Xie
- 关键词：Coal ; Catalytic gasification ; Calcium ; H2O/CO2 mixture ; Mechanism
- 刊名：Fuel
- 出版年：2017
- 出版时间：1 February 2017
- 年：2017
- 卷：189
- 期：Complete
- 页码：312-321
- 全文大小：3564 K
文摘
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Mechanism of synergistic effect during co-gasification was revealed.
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Catalytic effect of CaO facilitates the synergistic effect.
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H2O can make CaO smaller in size and higher in dispersity.
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Interaction of H2O and CO2 with Ca participation promotes the pore development.
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Sintering of CaO at higher temperature causes the weak synergistic effect.