Fast Pyrolysis of Oil Palm Kernel Shell in a Fluidized Bed Reactor: The Effect of Pyrolysis Temperature on the Yields of Pyrolysis Products

Abstract

This study investigates the effect of pyrolysis temperature on the yields of char, organic compounds, water and gas. Fast pyrolysis was carried out in a fluidized bed reactor of 108 mm in internal diameter operated at 400, 450, 500 and 550 °C with nitrogen gas with flow rate of 25 L(NTP)/min. In specific the effect of temperature on the yields of known and unknown organics in bio-oil is discussed. For higher total organics, 500 oC was favorable. But higher phenol and acetic acid yields, 450 oC was preferable. The major organics include acetic acid, phenol and furfural. The minor ones include 2-methylphenol, 4-methylphenol, 4-methylnaphthalene, benzene, toluene and THF.

Investigating the Effect of Operational Variables on the Yield, Characterization, and Properties of End-of-Life Olive Stone Biomass Pyrolysis Products

“…In the existing literature, some researchers have utilized an oxygen-free environment through purging, while others have employed a continuous flow of inert gas, primarily nitrogen. Particle size and heating rate have been reported to have a significant effect on product yield, with higher heating rates and smaller particle sizes being more favorable in increasing bio-oil yield [ 27 , 28 ]. Additionally, the mineral composition of the biomass has been found to play a crucial role in secondary pyrolysis reactions and affect the reactivity of obtained pyrolysis char.…”