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Co-processing of organic fraction from groundnut shell biocrude with VGO in FCC unit to produce petrochemical products

Author

Listed:
  • Kakku, Sivasankar
  • Naidu, Sowkhya
  • Chakinala, Anand G.
  • Joshi, Jyeshtharaj
  • Thota, Chiranjeevi
  • Maity, Pintu
  • Sharma, Abhishek

Abstract

This research work explores the transformative potential of biomass leading to sustainable production of biocrude and its utilization in refinery and petrochemical sector for reducing reliance on fossil fuels. In this study, groundnut shell biomass was thermally converted in a customized continuous semi pilot auger reactor in temperature range of 400–700 °C. The optimum temperature for maximizing biocrude was studied, and detailed chemical analysis revealed that biocrude contains hydrocarbons and alcohols with a calorific value of 29 MJ/kg. Furthermore, this study demonstrates the performance of the FCC (Fluid Catalytic Cracking) catalyst and feedstock (H-T- VGO (Hydrothermal vacuum gasoline oil) & Biocrude) in a laboratory-scale utilizing ACE R + MM (Advanced Cracking Evaluation - Residue and Metals Management) unit under predetermined temperatures (515 °C, 525 °C) and a fixed cat-to-oil weight ratio (CTO = 6 w/w). The organic phase and FCC feedstock in different weight ratios from 5 to 20 wt % were blended. There are marginal changes in the yields of dry gas, LCO (light cycle oil) and HCO (heavy cycle oil), with significant increase in the yields of LPG (liquified petroleum gas) and gasoline. Bottoms have been reduced, and coke formation has been adjusted. However, this process requires prudent blending and temperature choices, with future recommendations including improvement in the quality of biocrude to enhance the yields of both LPG and gasoline along with reduced coke formation.

Suggested Citation

  • Kakku, Sivasankar & Naidu, Sowkhya & Chakinala, Anand G. & Joshi, Jyeshtharaj & Thota, Chiranjeevi & Maity, Pintu & Sharma, Abhishek, 2024. "Co-processing of organic fraction from groundnut shell biocrude with VGO in FCC unit to produce petrochemical products," Renewable Energy, Elsevier, vol. 224(C).
    • Handle: RePEc:eee:renene:v:224:y:2024:i:c:s0960148124002477
    DOI: 10.1016/j.renene.2024.120182
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