In 2012, the total global production capacity of propylene was about 104 million tons; the cracking propylene accounted for 57% of the total production capacity; refinery propylene accounted for 33% and the propylene with other processes account for about 10%. Asia, North America and West Europe etc. have been always the world most concentrated production places of propylene. As the domestic ethylene and large refinery projects are controlled by the national macro policy, coupled with the difficult implementation of the crude oil source of small refinery enterprises, the domestic propylene production is highly monopolized. In 2012, China’s total production capacity of propy...
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