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The commercial production of hexafluoropropylene oxide, a valuable intermediate that can be converted to various high-performance materials, is often carried out via the liquid-phase oxidation of hexafluoropropylene, under high pressures and in the presence of chemical oxidizers and solvents. Due to concerns regarding process safety, scale-up and environmental impact through the generation of solvent waste, the gas-phase epoxidation of hexafluoropropylene with molecular oxygen was investigated as a possible alternative to the existing industrial methods. In this book, the preparation of hexafluoropropylene oxide via the gas-phase process is described. Optimal operating conditions for the yield and selectivity towards the epoxide are also determined. A kinetic model of the non-catalytic oxidation reaction is formulated and identified using the experimental data obtained.
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David Lokhat is the head of the Reactor Technology Research Group in the School of Engineering at the University of KwaZulu-Natal in Durban, South Africa. His research interests are in catalysis and reactor engineering. He obtained his PhD in chemical engineering from the University of KwaZulu-Natal in 2012.
