Fast pyrolysis of waste pepper stem over waste FCC catalyst

  • Myung Lang Yoo
  • Young-Kwon Park
  • Yong Ho Park
  • Sung Hoon Park
Article
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Abstract

Fast pyrolysis of waste pepper stem was investigated using waste FCC catalyst and HY zeolite with a SiO2/Al2O3 ratio of 5.1. The pyrolysis oil obtained from the pyrolysis at 500 °C was analyzed using GC/MS. Oxygenates were converted, in particular when the catalyst dose was high, to furans and aromatics. The contents of low-molecular-mass phenolics and aromatics increased with increasing quantity of acid sites deployed. On the other hand, the content of high-molecular-mass phenolics was increased by catalysis with the biomass:catalyst ratio of 1:1, whereas it was decreased by catalysis with the biomass:catalyst ratio of 1:10. This was explained by the pathway of lignin-to-aromatics conversion: lignin → high-molecular-mass phenolics → low-molecular-mass phenolics → aromatics. Activated waste FCC catalyst showed a little weaker catalytic activity for the conversion of low-molecular-mass phenolics to aromatics than HY, leading to a higher phenolics content and a lower aromatics content. The results of this study indicate that the catalytic pyrolysis of lignin-rich biomass over waste FCC catalyst can be a promising way of recycling waste FCC catalyst for the production of high-value-added chemicals, such as furans, phenolics and aromatics.

Keywords

Waste FCC catalyst Fast pyrolysis Waste pepper stem Bio-oil 

Notes

Acknowledgements

This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (grant number 2016R1D1A3A03916423).

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Copyright information

© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  • Myung Lang Yoo
    • 1
    • 2
  • Young-Kwon Park
    • 3
  • Yong Ho Park
    • 1
  • Sung Hoon Park
    • 1
  1. 1.Department of Environmental EngineeringSunchon National UniversitySuncheonKorea
  2. 2.Process Development TeamEGTECH CorporationGwangyangKorea
  3. 3.School of Environmental EngineeringUniversity of SeoulSeoulKorea

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