What is it about?

I have reviewed all catalysts developed so far for the direct conversion of ethylene to propylene, butene, and higher alkenes (olefins). The catalytic processes have been analyzed and compared systematically in terms of yield, selectivity, productivity, stability, etc.

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Why is it important?

While ethylene is readily obtained from inexpensive gaseous feedstocks such as ethane, conventional resources to propylene and butene are depleting. Then, direct routes from ethylene to propylene and butene can bridge the gap, particularly that they can also make green oils for fuel consumption.


I have attempted to cover all aspects of the field in sufficient details. Writing such an extensive review paper for an author from a developing country with no coauthors is surely a really demanding task. Perhaps, the most important motivation for this endeavor was the practical importance of the topic aside from personal incentives. In fact, the change in the existing paradigm for propylene production seems to entail huge impacts on the petrochemical industry. I hope that the applied chemists and chemical engineers find this review helpful. Above anything else or if nothing else, I hope that the readers find this article thought-provoking.

Mohammad Ghashghaee
Iran Polymer and Petrochemical Institute

Read the Original

This page is a summary of: Heterogeneous catalysts for gas-phase conversion of ethylene to higher olefins, Reviews in Chemical Engineering, August 2018, De Gruyter, DOI: 10.1515/revce-2017-0003.
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