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Catalytic Cracking of Heavy Olefins into Propylene, Ethylene and Other Light Olefins

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Abstract

Hybrid catalysts developed for the thermo-catalytic cracking of liquid hydrocarbons were found to be capable of cracking C4 + olefins into light olefins with very high combined yields of product ethylene and propylene (more than 60 wt%) and C2–C4 olefins (more than 80 wt%) at 610–640 °C, and also with a propylene/ethylene weight ratio being much higher than 2.4. The olefins tested were heavier than butenes such as 1-hexene, C10 + linear alpha-olefins (LAO) or a mixture of LAO. The hydrogen spillover effect promoted by the Ni bearing co-catalyst, contributed to significantly enhancing the product yield of light olefins and the on-stream stability of the hybrid catalyst.

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Acknowledgments

The authors thank the Natural Sciences and Engineering Research Council of Canada (NSERC) and Valeo Management for their financial support.

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Correspondence to R. Le Van Mao.

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Le Van Mao, R., Muntasar, A., Yan, H.T. et al. Catalytic Cracking of Heavy Olefins into Propylene, Ethylene and Other Light Olefins. Catal Lett 130, 86–92 (2009). https://doi.org/10.1007/s10562-009-9911-4

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  • DOI: https://doi.org/10.1007/s10562-009-9911-4

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