ZLC技术测定沸石晶内扩散系数研究进展  

Research Progress on Intracrystalline Diffusivities in Zeolites by the ZLC Technique

作　　者：周伟赣[1] 张富民[1] 钟依均[1] 朱伟东[1] 

机构地区：[1]浙江师范大学物理化学研究所先进催化材料教育部重点实验室,浙江金华321004

出　　处：《广东化工》2012年第11期188-189,共2页Guangdong Chemical Industry

摘　　要：简介了测定沸石晶内扩散系数的各种方法,重点介绍了零长柱(ZLC)技术基本原理、实验方法和测定探针分子在沸石晶内扩散系数的研究进展,对采用ZLC技术表征探针分子在新型多孔材料中的扩散行为进行了展望。Different methods applied to the measurement of the intracrystalline diffusivities in zeolite crystals were briefly addressed.Special attention was paid on introducing the principle and experimental procedure of the ZLC technique and the research progress on its application to the measurement of diffusivities for probe molecules in zeolite crystals.Finally,the applications of the ZLC technique to the investigation on the diffusion of probe molecules in novel porous materials were anticipated.

关 键 词：沸石分子筛 晶内扩散系数 ZLC技术 

分 类 号：O643[理学—物理化学]