摘要
本文采用XRD、IR和脉冲微反技术对Ni/凹凸棒土催化剂的特性和催化性能进行了研究,结果表明,该土稳定性好,有Lewis酸,无Br(?)nsted酸;该土载镍后,经还原处理后不产生Br(?)nsted酸,仍只有Lewis酸,且金属分散性好,其苯加氢活性高,选择性好,该土是一种良好的催化剂载体。
In this work, the characteristics and performance of Ni/attapulgite catalysts have been studied employing XRD, IR, and pulse-micro reactor techniques. The results show that it has fairly good thermal and acid stability. Only Lewis acid sites are observed for both the raw and nickel loaded clays and no Br(?)nsted acid sites are detected. The nickel loaded catalyst gives better dispersion of the active metallic nickel component and higher activity and selectivity for benzene hydrogenation. The clay may be a fairty good support.
出处
《石油化工》
CAS
CSCD
北大核心
1991年第11期750-754,共5页
Petrochemical Technology
