以Ce(NO3)3·6H2O为铈源,采用不同沉淀剂制备了CeO2催化剂,运用N2吸附-脱附、X射线衍射、高分辨透射电镜和H2程序升温还原等技术对催化剂进行了表征,并评价了其对1,4-丁二醇选择性脱水合成3-丁烯-1-醇反应的催化性能.结果表明,以不同沉淀剂制得的CeO2样品形貌不同,其中以Na2CO3为沉淀剂制备的CeO2呈边缘清晰的长方体形貌,晶粒尺寸较大,结晶较完整,优先暴露的(111)晶面较多,在1,4-丁二醇选择性脱水反应中表现出较高的催化活性和选择性,3-丁烯-1-醇收率可达59.7%.
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