Title:	Dimethyl Ether Synthesis from CO/CO2/H2 mixtures over CuO-ZnO-Al2O3/γ-Al2O3
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Abstract:	The synthesis of dimethyl ether from CO/CO2/H2 mixtures was carried out in a high pressure fixed bed reactor system over CuO-ZnO-Al2O3.The effect of temperature,pressure,space time and time on stream on CO conversion and dimethyl ether selectivity was studied using CO/CO2/H2 mixtures which was composed of (H2)/(CO)/(CO2)/(CH4)=52/24/23/1(V/V).The catalyst samples before and after reaction were characterized by the means of X-ray diffraction(XRD) and nitrogen adsorption.The experimental results indicated that sintering of Cu particles of the catalyst was the main cause of the catalyst deactivation with time on stream.
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Page number:	1-1
Issue:	0
Subject:	催化化学
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PubYear:	2012
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Unit code:	122214
Publication name:	29th Annual International Pittsburgh Coal Conference Abstracts Booklet
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