稀土氧化物对钼-铋催化剂性能的影响

1.河北师范大学,化学学院,河北,石家庄,050091

2.河北师范大学,化学学院,河北,石家庄,050091

基金项目: 河北省科技厅科研项目(002130103D) 河北省自然科学基金(200151)

Influence of Rare Earth Additives on the Property of Mo-Bi Catalyst

在异丁烯选择氧化制甲基丙烯醛的钼-铋催化剂中加入La2O3等八种稀土氧化物,并在固定床反应器中考查了反应温度、异丁烯浓度、原料气的流速和稀土氧化物的添加量对异丁烯转化率和生成甲基丙烯醛选择性的影响.实验表明,CeO2、Eu2O3及Tb4O7添加后,可明显提高异丁烯转化率和生成甲基丙烯醛的选择性.

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