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Catalytic hydropyrolysis and co-hydropyrolysis of algae and used engine oil for the production of hydrocarbon-rich fuel

Author

Listed:
  • Yan, Wei-Hong
  • Wang, Kai
  • Duan, Pei-Gao
  • Wang, Bing
  • Wang, Feng
  • Shi, Xian-Lei
  • Xu, Yu-Ping

Abstract

The catalytic hydropyrolysis and co-hydropyrolysis of algae (microalgae and macroalgae) and used engine oil (UEO) for the production of potential fuels for automobiles were examined. The co-hydropyrolysis of algae and UEO produced oils that possessed slightly higher H and C content, a higher H/C atomic ratio, and an extensively reduced heteroatom (59.78–75.62% for O, 6.98–81.65 for N, and 43.30–86.41 for S) content and O/C atomic ratio compared to the oils that were obtained via the hydropyrolysis of algae, with the exception of oil produced from UEO and Schizochytrium limacinum (SL). The co-hydropyrolysis of microalgae and UEO was found to decrease the amounts of saturated hydrocarbons and aromatics present in the oils compared with the hydropyrolysis of the microalgae, except for SP. By contrast, the co-hydropyrolysis of macroalgae and UEO resulted in an increased number of saturated hydrocarbons and a decreased aromatic content in the oils compared with the hydropyrolysis of the macroalgae, except for LM. The co-hydropyrolysis of algae and UEO also led to increased energy recovery ranging from 80.19 to 91.26% compared with the hydropyrolysis of algae ranging from 53.25 to 79.58%. All of the pyrolysis oils flowed well and had similar viscosities of approximately 8.0 mPa s.

Suggested Citation

  • Yan, Wei-Hong & Wang, Kai & Duan, Pei-Gao & Wang, Bing & Wang, Feng & Shi, Xian-Lei & Xu, Yu-Ping, 2017. "Catalytic hydropyrolysis and co-hydropyrolysis of algae and used engine oil for the production of hydrocarbon-rich fuel," Energy, Elsevier, vol. 133(C), pages 1153-1162.
    • Handle: RePEc:eee:energy:v:133:y:2017:i:c:p:1153-1162
    DOI: 10.1016/j.energy.2017.03.034
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    Cited by:

    1. Perkins, Greg & Batalha, Nuno & Kumar, Adarsh & Bhaskar, Thallada & Konarova, Muxina, 2019. "Recent advances in liquefaction technologies for production of liquid hydrocarbon fuels from biomass and carbonaceous wastes," Renewable and Sustainable Energy Reviews, Elsevier, vol. 115(C).
    2. Hansen, Samuel & Mirkouei, Amin & Diaz, Luis A., 2020. "A comprehensive state-of-technology review for upgrading bio-oil to renewable or blended hydrocarbon fuels," Renewable and Sustainable Energy Reviews, Elsevier, vol. 118(C).
    3. Azizi, Kolsoom & Keshavarz Moraveji, Mostafa & Abedini Najafabadi, Hamed, 2018. "A review on bio-fuel production from microalgal biomass by using pyrolysis method," Renewable and Sustainable Energy Reviews, Elsevier, vol. 82(P3), pages 3046-3059.
    4. Zharova, P.A. & Chistyakov, A.V. & Shapovalov, S.S. & Pasynskii, A.A. & Tsodikov, M.V., 2019. "Original Pt-Sn/Al2O3 catalyst for selective hydrodeoxygenation of vegetable oils," Energy, Elsevier, vol. 172(C), pages 18-25.

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