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Direct conversion of natural gas to higher hydrocarbons: A review
Authors:Sachchit Majhi  Pravakar Mohanty  Hui Wang  KK Pant
Institution:1. Department of Chemical Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India;2. Department of Chemical and Biological Engineering, University of Saskatchewan, Saskatoon, SK S7N 5C5, Canada
Abstract:Direct conversion of methane to higher hydrocarbons is an effective process to solve the problem of natural gas utilization. Although remarkable progress has been achieved on the dehydro-aromatization of methane (DAM), low conversion caused by severe thermodynamic limitations, coke formation, and catalysis deactivation remain important drawbacks to the direct conversion process. Molybdenum catalysts supported on HZSM-5 type zeolite support are among the most promising catalysts. This review focuses on the aspects of direct methane conversion, in terms of catalysts containing metal and support, reaction conditions, and conversion in different types of reactors. The reaction mechanism for this catalytic process is also discussed.
Keywords:methane dehydroaromatization  Mo/HZSM-5  higher hydrocarbon  kinetics  mechanism
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