Title: Dimethyl Ether Synthesis from Methanol and Syngas over Different Sized HY Zeolite and Cu-Mn-Zn/HY Bifunctional Catalyst
Abstract: A series of HY zeolites with different particle sizes were prepared using a hydrothermal route by varying the aging time of directing agent.The HY samples were used for methanol dehydration to dimethyl ether(DME) and also used as a dehydration component in a hybrid Cu-Mn-Zn/HY catalyst for CO direct hydrogenation to DME.The 820 nm sized HY zeolite exhibited the highest methanol dehydration activity.In the direct DME synthesis from syngas,the hybrid Cu-Zn-Mn/HY(820 nm) catalyst also had higher activity and stability at 4 800 h-1,2.1 MPa,and 253 oC.
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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