Our contribution in book recently published by Elsevier, entitled: “Synthetic Polymeric Membranes for Advanced Water Treatment, Gas Separation, and Energy Sustainability”. We cooperated in Chapter 11 Entitled: “Synthetic polymeric membranes for gas and vapor separations”. Hereby, we appreciate our dear colleagues: Seyed Abdollatif Hashemifard , Arash Khosravi, Farideh Abdollahi, Zahra Alihemati, Mohsen Rezaee. Also foremost, we appreciate our kind and prominent professor Datuk Dr Ahmad Fauzi Ismail (UTM, AMTEC, Malaysia); the main author of the book, for preparing this opportunity.