膜
表征(材料科学)
渗透
沸石
材料科学
表面改性
化学工程
起泡点
化学气相沉积
热液循环
沉积(地质)
纳米技术
气泡
化学
有机化学
计算机科学
催化作用
并行计算
古生物学
工程类
生物
生物化学
沉积物
标识
DOI:10.1080/15422119.2015.1103270
摘要
Characterization of zeolite membrane defects including SEM, dye permeation, bubble point and permporometry methods are presented. Experimental setup, governing equations and step by step procedure for obtaining pore sizes are discussed for the most useful method, i.e., the permporometry. A complete review on the techniques for elimination of defects including chemical vapor and liquid depositions, coke deposition, surface coatings, and hydrothermal treatments is presented. For each method, experimental setup, various modification conditions as well as performance enhancement of the membranes are comprehensively discussed. Finally, comparison between different methods is performed to find the more efficient techniques.
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