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Influence of acid sites on the hydrodeoxygenation of anisole with metal supported on SBA-15 and SAPO-11

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  • Hewer, Thiago L.R.
  • Souza, Adriana G.F.
  • Roseno, Karina T.C.
  • Moreira, Paulo F.
  • Bonfim, Rodrigo
  • Alves, Rita M.B.
  • Schmal, Martin

Abstract

Nickel and molybdenum nanoparticles were prepared on silicon aluminum phosphate (SAPO-11) and mesoporous silica (SBA-15), respectively, and compared with γ-Al2O3 support. Results showed that the nickel and molybdenum nanoparticles were located inside the pores of the SBA-15 structure with particles sizes around 7 nm. However, for the SAPO-11 support the nanoparticles are dispersed outside the support surface. These catalysts were tested for hydrodeoxygenation (HDO) and exhibited excellent catalytic activity. The catalytic reaction had been carried out in a fixed bed flow reactor at 200–300 °C. It is noteworthy that the Turnover Frequencies (TOF) obtained for of NiMoSAPO was 2 times greater than NiMoSBA-15 catalyst. The products formed on NiMoSAPO and NiMoSBA were completely different from the NiMoAl2O3 catalyst used as reference. IR of Pyridine suggested that the hydrodeoxygenation and hydrodearomatization reaction is strongly affected by the support nature, specifically, due to the relation between Brönsted and Lewis acid sites present at the surface of these materials. The low surface area, dispersion of the metallic sites and the proportion of Lewis/Brönsted acid sites have had strong influence on the selectivity of the hydrodeoxygenation reaction.

Suggested Citation

  • Hewer, Thiago L.R. & Souza, Adriana G.F. & Roseno, Karina T.C. & Moreira, Paulo F. & Bonfim, Rodrigo & Alves, Rita M.B. & Schmal, Martin, 2018. "Influence of acid sites on the hydrodeoxygenation of anisole with metal supported on SBA-15 and SAPO-11," Renewable Energy, Elsevier, vol. 119(C), pages 615-624.
    • Handle: RePEc:eee:renene:v:119:y:2018:i:c:p:615-624
    DOI: 10.1016/j.renene.2017.12.044
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    Cited by:

    1. Ramesh, Arumugam & Tamizhdurai, Perumal & Shanthi, Kannan, 2019. "Catalytic hydrodeoxygenation of jojoba oil to the green-fuel application on Ni-MoS/Mesoporous zirconia-silica catalysts," Renewable Energy, Elsevier, vol. 138(C), pages 161-173.
    2. Das, Bikashbindu & Mohanty, Kaustubha, 2019. "A review on advances in sustainable energy production through various catalytic processes by using catalysts derived from waste red mud," Renewable Energy, Elsevier, vol. 143(C), pages 1791-1811.
    3. Bakhtyari, Ali & Rahimpour, Mohammad Reza & Raeissi, Sona, 2020. "Cobalt-molybdenum catalysts for the hydrodeoxygenation of cyclohexanone," Renewable Energy, Elsevier, vol. 150(C), pages 443-455.
    4. Gollakota, Anjani R.K. & Shu, Chi-Min & Sarangi, Prakash Kumar & Shadangi, Krushna Prasad & Rakshit, Sudip & Kennedy, John F. & Gupta, Vijai Kumar & Sharma, Minaxi, 2023. "Catalytic hydrodeoxygenation of bio-oil and model compounds - Choice of catalysts, and mechanisms," Renewable and Sustainable Energy Reviews, Elsevier, vol. 187(C).
    5. Oh, Shinyoung & Lee, Jae Hoon & Choi, Joon Weon, 2020. "Hydrodeoxygenation of crude bio-oil with various metal catalysts in a continuous-flow reactor and evaluation of emulsion properties of upgraded bio-oil with petroleum fuel," Renewable Energy, Elsevier, vol. 160(C), pages 1160-1167.
    6. Li, Xiangping & Chen, Lei & Chen, Guanyi & Zhang, Jianguang & Liu, Juping, 2020. "The relationship between acidity, dispersion of nickel, and performance of Ni/Al-SBA-15 catalyst on eugenol hydrodeoxygenation," Renewable Energy, Elsevier, vol. 149(C), pages 609-616.

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