Catalysis Letters

, Volume 130, Issue 1–2, pp 86–92 | Cite as

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

  • R. Le Van Mao
  • A. Muntasar
  • H. T. Yan
  • Q. Zhao


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.


TCC-type hybrid catalysts Cracking of heavy olefins Effect of hydrogen spillover on product yields and coke deposition 



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


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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • R. Le Van Mao
    • 1
  • A. Muntasar
    • 1
  • H. T. Yan
    • 1
  • Q. Zhao
    • 1
  1. 1.Industrial Catalysis Laboratory, Department of Chemistry and BiochemistryConcordia UniversityMontrealCanada

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