Study on the Preparation of γ-Butyrolactone Catalyst by Dehydrogenation of 1,4-Butanediol
WEI Gui-peng~1,YANG Xiao-gang~1,SONG Guo-quan~2,FENG Xian-shu~2,CUI Bing-chun~1,WANG Jian~1 (1.Henan Chemical Industry Research Institute,Zhengzhou 450052,China;2.Puyang Maiqi Fine Chemical Co.Ltd.,Puyang 457000,China)
CuO/ZnO/Al_2O_3 catalyst is prepared by co-precipitation method,with Cu,Zn,Al nitrates as raw materials.The activity of the catalyst on the preparation of γ-butyrolactone by dehydrogenation of 1,4-butanediol in the atmosphere is reviewed.With reaction temperature 250~260 ℃,liquid hourly space velocity 2.0 h~(-1),the mole ratio of hydrogen and alcohol 4.5~5.5,the yield of γ-butyrolactone can be up to 92%.In appropriate circumstances,catalyst has good activity and an operating flexibility.
【CateGory Index】：
TQ426.94;TQ225.24
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