Abstract
Carbon membranes have emerged as powerful and attractive tools for gas separation processes. Significant progresses related to supported carbon membrane fabrication for gas separation have led to new avenues to overcome the brittleness of the membranes. Progresses in the polymer precursor selection and heat treatment conditions have also paved the way for their application for various types of gas mixtures. Various types of polymer precursor for the carbon membrane preparation are available, and each precursor material offers a multitude of fascinating features, even though all are still at different stages of development. This article is oriented to provide a critical review of supported carbon membrane for gas separation so that the appropriate precursor and process conditions can be selected for a particular gas pairs. Different coating methods are also described in this article.
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