NH4+交换度对 CuY催化剂上甲醇氧化羰基化反应性能的影响.pdf
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Chinese Journal of Catalysis 37 (2016) 1403-1412 催化学报 2016 年 第 37 卷第 8 期 |
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Article
Effect of NH4+ exchange on CuY catalyst for oxidative carbonylation
of methanol
Yuchun Wang a,b, Huayan Zheng a, Zhong L ia,*
a Key Laboratory o f Coal Science and Technology o f M inistry o f Education and Shanxi Province, Taiyuan University o f Technology, Taiyuan 030024,
Shanxi, China
b Department o f Applied Chemistry, Yuncheng University, Yuncheng 044000, Shanxi, China
A R T I C L E I N F O A B S T R A C T
A rticle history: NaY and ion exchanged NaNH4Y zeolite with NH4NO3 were used as the support to prepare CuY cata
Received 4 May 2016 lysts by a high temperature anhydrous interaction between the support and copper (II) acety-
Accepted 15 June 2016 lacetonate Cu(acac)2. The catalysts were used for the oxidative carbonylation of methanol to dime
Published 5 August 2016 thyl carbonate (DMC) at atmospheric pressure. The textural and acidic properties of NaNH4Y zeolite
and the CuY catalysts were investigated by X-ray di raction, scanning electron microscopy, N2 ad
Keywords: sorption-desorption, temperature programmed reduction of H2, X-ray photoelectron spectroscopy
High temperature anhydrous and temperature programmed desorpt
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