Fast pyrolysis

Optimization of pyrolysis conditions for production of rice husk-based bio-oil as an energy carrier

Bio-oil is an eco-friendly energy source with potential to substitute fossil-derived fuels. This study optimized pyrolysis conditions for production of bio-oil from rice husks. Response surface methodology based on central composite design was employed to maximize bio-oil yield and high heating value (HHV) while minimizing water and ash contents. The pyrolysis process conditions were; temperature (400–650 °C), heating rate (6000–9750 °Ch-1), and holding time (600–1800 s). Analysis of variance revealed...

Optimization of heavy metal removal by activated carbon obtained as a co-product from fast pyrolysis of rice husks

The realization of a circular economy calls for maximum utilization of existing resources with no recoverable waste after the process cycle. During fast pyrolysis of biomass to produce bio-oil for energy purposes, solid residues in form of bio-char are generated. In this study, residual char after pyrolytic-oil extraction from rice husks was activated using steam at 800 °C to produce activated carbon (AC). The formed AC was characterized and evaluated...