Controlled oxidation state of Ti in MgO-TiO2 composite for CO2 capture
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- 作者：Vishwanath Hiremath ; Raghavendra Shavi ; Jeong Gil Seo ; jgseo@mju.ac.kr" class="auth_mail" title="E-mail the corresponding author
- 关键词：Mesoporous MgO-TiO2 ; Oxidation state of titanium ; CO2 capture ; Phase transformation
- 刊名：Chemical Engineering Journal
- 出版年：2017
- 出版时间：15 January 2017
- 年：2017
- 卷：308
- 期：Complete
- 页码：177-183
- 全文大小：2571 K
文摘
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Ordered mesoporous xMgO-TiO2 composites with defined phase structure were synthesized.
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The oxidation state of Ti is key factor in determining CO2 adsorptive performance.
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Presence of MgTi2O4 phase was confirmed with the assistance of XRD and EPR analysis.
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MgTi2O4 (Ti3+-O-Mg2+) could create highly basic sites compared to MgTiO3 and Mg2TiO4.
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