Catalysis Letters

, Volume 148, Issue 12, pp 3787–3796 | Cite as

Catalytic cracking of rubber seed oil using basic mesoporous molecular sieves K2O/MeO-SBA-15 (Me = Ca, Mg or Ba) as heterogeneous catalysts for the production of liquid hydrocarbon fuels

  • Shitao Yu
  • Xincheng Cao
  • Lu Li
  • Shiwei LiuEmail author
  • Qiong Wu


Liquid hydrocarbon fuels obtained from the catalytic cracking animal fats and plant oils have become one kinds of the attractive fuels because of their possible environment benefits and the current concern over the depletion of fossil fuel sources. In this work, using the combined methods of one-pot synthesis and wetness-impregnation, some basic mesoporous molecular sieves K2O/MeO-SBA-15 (Me = Ca, Mg or Ba) were prepared, characterized and used in the catalytic cracking of rubber seed oil (RSO). The results indicated that the catalysts K2O/MeO-SBA-15 had better catalytic performances than MeO-SBA-15, assigning to their stronger basicity. The catalyst K2O/MgO-SBA-15 obtained with 15 wt% KNO3 impregnation concentration showed the excellent catalytic performance with about 93.2% conversion and 78.3% yield of liquid hydrocarbon biofuel. The obtained liquid biofuel had similar chemical composition to diesel-based fuels and showed good cold flow property, high calorific and low acid value. Importantly, the catalyst K2O/MgO-SBA-15 was of excellent reusability, and it was reused with negligible loss in its catalytic performance for five times, attributing to the MgO layer between silicon skeleton and potassium species which prevents the reaction between silicon in the framework and potassium species.

Graphical Abstract


Rubber seed oil Liquid hydrocarbon fuels Catalytic pyrolysis Basic mesoporous molecular sieves 



This work was financially supported by the Natural Science Foundation of China (31370570, 21805158 and 31100430), the Taishan Scholars Projects of Shandong (ts201511033), the Key R&D Project of Shandong (2017GGX40106), and the People’s Livelihood Science and Technology Project of Qingdao (173383NSH). The authors are also grateful for the experimental conditions which the Polyphase Fluid Reaction and Separation Engineering Key Laboratory of the Shandong give.

Compliance with Ethical Standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Shitao Yu
    • 1
  • Xincheng Cao
    • 1
  • Lu Li
    • 1
  • Shiwei Liu
    • 1
    Email author
  • Qiong Wu
    • 1
    • 2
  1. 1.College of Chemical EngineeringQingdao University of Science and TechnologyQingdaoChina
  2. 2.Department of Chemical & Biomolecular EngineeringUniversity of Tennessee KnoxvilleKnoxvilleUSA

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