Production of flammable gases from cattle manure via pyrolysis using CO₂ as an oxidant

Jong-Min JUNG, Dongho CHOI, Sungyup JUNG, Kun-Yi Andrew LIN, Yiu Fai TSANG, Eilhann E. KWON

Research output: Contribution to journalArticlespeer-review

Abstract

To valorize disposed animal manure into flammable gases, pyrolysis of cattle manure (CM) was investigated in this study. To make this process more efficient and environmentally benign, CO₂, a greenhouse gas, was harnessed as a reactive gas. In CO₂-assisted pyrolysis of CM, enhanced CO production was observed, compared to pyrolysis from inert condition (N₂). The gas-phase reactions between CO₂ and gaseous biocrude produced from CM thermolysis led to improved CO formation. In reference to the case of lignocellulosic biomass (rice straw), 5 times more CO production was observed from CM pyrolysis under CO₂. For an in-depth study of CO₂ functionality as an oxidant, the effects of operational parameters on syngas formation were considered. The key parameter to activate the functionality of CO₂ was temperature. These results offer that CO₂ and CM could be considered promising reactants to produce value-added syngas in line with mitigation of pollutant emissions through a pyrolysis platform. Copyright © 2021 John Wiley & Sons Ltd.
Original languageEnglish
JournalInternational Journal of Energy Research
Early online date27 Dec 2021
DOIs
Publication statusE-pub ahead of print - 27 Dec 2021

Citation

Jung, J.-M., Choi, D., Jung, S., Lin, K.-Y. A., Tsang, Y. F., & Kwon, E. E. (2021). Production of flammable gases from cattle manure via pyrolysis using CO₂ as an oxidant. International Journal of Energy Research. Advance online publication. doi: 10.1002/er.7622

Keywords

  • Carbon dioxide
  • Lignocellulosic biomass
  • Pyrolysis
  • Syngas
  • Waste-to-energy

Fingerprint

Dive into the research topics of 'Production of flammable gases from cattle manure via pyrolysis using CO₂ as an oxidant'. Together they form a unique fingerprint.