Torrefaction and low temperature carbonization of oil palm fiber and eucalyptus in nitrogen and air atmospheres

Ke Miao Lu, Wen Jhy Lee, Wei Hsin Chen, Shih Hsien Liu, Ta Chang Lin

Research output: Contribution to journalArticle

102 Citations (Scopus)

Abstract

Torrefaction is a pretreatment method for upgrading biomass as solid fuels. To provide flexible operations for effectively upgrading biomass at lower costs, the aim of this study was to investigate the properties of oil palm fiber and eucalyptus pretreated in nitrogen and air atmospheres at temperatures of 250-350 °C for 1 h. Based on energy and solid yield and introducing an energy-mass co-benefit index (EMCI), oil palm fiber pretreatment under nitrogen at 300 °C provided the solid fuel with higher energy density and less volume compared to other temperatures. Pretreatment of oil palm fiber in air resulted in the fuel with low solid and energy yields and is therefore not recommended. For eucalyptus, nitrogen and air can be employed to upgrade the biomass, and the suggested temperatures are 325 and 275 °C, respectively.

Original languageEnglish
Pages (from-to)98-105
Number of pages8
JournalBioresource technology
Volume123
DOIs
Publication statusPublished - 2012 Nov 1

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

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