The migration behavior of sulfur impurity contained in the dual-phase membrane of Ce0.9Gd0.1O2−ο/sub>-SrCo0.8Fe0.1Nb0.1O3−ο/sub> under CO2 atmosphere
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- 作者：Chengzhang Wua ; b ; wucz@shu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Jianfang Zhoub ; Xia Tangb ; Wei Luob ; Yuwen Zhanga ; b ; Weizhong Dinga ; b ; Chenghua Sunc ; chenghua.sun@monash.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Oxygen permeation ; Sulfur ; Migration mechanism ; Carbon dioxide ; Dual-phase membrane
- 刊名：Journal of Membrane Science
- 出版年：2016
- 出版时间：1 August 2016
- 年：2016
- 卷：511
- 期：Complete
- 页码：162-169
- 全文大小：1263 K
文摘
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The sulfur migration is driven by oxygen chemical potential gradient.
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CO2 sweeping could speed up the sulfur migration rate.
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Sulfur migration mechanism is clarified by theoretical calculations.
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Oxygen and strontium vacancies are very critical to the sulfur migration.
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