Abstract
Low temperature water–gas shift (WGS) reaction has been carried out at the gas hourly space velocity of 72,152 h−1 over Cu–CeO2 catalyst prepared by a co-precipitation method. Cu loading was optimized to obtain highly active co-precipitated Cu–CeO2 catalysts for low temperature WGS. 80 wt% Cu–CeO2 exhibited the highest CO conversion as well as the most stable activity (XCO > 46% at 240 °C for 100 h). The excellent catalytic performance is mainly due to a strong metal to support interaction, resulting in the prevention of Cu sintering.
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