March 2020

Special Focus: Petrochemical Technology

Advances in the OCC process for propylene production

Driven by rising demand for polypropylene, cumene, acrylonitrile and other derivatives, increasing global demand is seen for propylene.

Teng, J., Shi, J., Xie, Z., Sinopec Shanghai Research Institute of Petrochemical Technology

Driven by rising demand for polypropylene, cumene, acrylonitrile and other derivatives, increasing global demand is seen for propylene. Over the next 5 yr, propylene demand is expected to grow at a pace of about 4%/yr,1 and 30% of the world’s propylene production is expected to come from specialized propylene technologies. Worldwide, propylene is derived largely from naphtha steam cracking, fluid catalytic cracking (FCC), propane dehydrogenization (PDH) or olefins conversion technology (OCT). Another route for producing propylene includes methanol-to-propylene (MTP), which uses methanol as feedstock for the production of propylene. In MTP, the typical yield of propylene (based on hydrocarbo

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