Effect of preparation method on the surface characteristics and activity of the Pd/OMS-2 catalysts for the oxidation of carbon monoxide, toluene, and ethyl acetate

详细信息    查看全文

• 作者：Lisha Liu^a ; Yong Song^a ; Zhidan Fu^a ; Qing Ye^a ; ^{yeqing@bjut.edu.cn} ; Shuiyuan Cheng^a ; Tianfang Kang^a ; Hongxing Dai^b ; ^{hxdai@bjut.edu.cn}
• 关键词：Cryptomelane-type manganese oxide octahedral molecular sieve ; Supported Pd catalyst ; Oxygen mobility ; Carbon monoxide oxidation ; Volatile organic compound combustion
• 刊名：Applied Surface Science
• 出版年：2017
• 出版时间：28 February 2017
• 年：2017
• 卷：396
• 期：Complete
• 页码：599-608
• 全文大小：3397 K
• 卷排序：396

文摘

The framework-structured of cryptomelane-type manganese oxide octahedral molecular sieve (OMS-2) has a 2 × 2 square tunnel. Preparation route has an important impact on physicochemical property of the product. Pd/OMS-2-DP via the deposition-precipitation route shows excellent catalytic activity. Pd surface loading, surface atomic ratio of Mn ions, lattice oxygen mobility, oxygen vacancy, reducibility and acidity govern activity.