Propylene is one of the most important raw materials for production of polypropylene, acrylonitrile and acrylic acid. Conventionally, propylene is obtained from steam cracking and fluid catalytic cracking (FCC) units using petroleum as feedstock, with its cost governed by oil pricing. Due to the shortage of petroleum resource in the future and the increasing market demand for propylene, developing new technology for producing propylene independent of petroleum route is required. Methanol to propylene propyl...