Mesoporous copper based ceria-alumina catalysts prepared by wet impregnation method were used for dehydrogenation of 1,4-butanediol to γ-butyrolactone. The reaction was carried out under vapour phase conditions in the temperature range of 240–300 °C. The better activity results observed using 10 wt% copper supported over ceria-alumina (75:25) catalyst wherein 1,4-butanediol showed a conversion of 100% and selectivity towards γ-butyrolactone was 99% at 240 °C. The activity was due to synergistic effect of alumina and ceria support along with the presence of highly basic sites and other physico-chemical properties. In terms of stability, the catalyst is stable activity upto 24 h.

通过湿式浸渍法制备的介孔铜基二氧化铈-氧化铝催化剂用于将1，4-丁二醇脱氢成γ-丁内酯。该反应在气相条件下于240–300°C的温度范围内进行。使用负载在二氧化铈-氧化铝（75:25）催化剂上的10 wt％的铜观察到的更好的活性结果，其中1,4-丁二醇在240°C下的转化率为100％，对γ-丁内酯的选择性为99％。该活性归因于氧化铝和二氧化铈载体的协同作用以及高度碱性位点的存在和其他物理化学性质。就稳定性而言，该催化剂直至24小时都具有稳定的活性。