Torrefied biomasses in a drop tube furnace to evaluate their utility in blast furnaces

Wei-Hsin Chen, Shan Wen Du, Chien Hsiung Tsai, Zhen Yu Wang

研究成果: Article

81 引文 斯高帕斯(Scopus)

摘要

Torrefaction and burning characteristics of bamboo, oil palm, rice husk, bagasse, and Madagascar almond were studied and compared with a high-volatile bituminous coal using a drop tube furnace to evaluate the potential of biomass consumed in blast furnaces. Torrefaction at 250 and 300 °C for 1. h duration was carried out. Analysis using the ash tracer method indicated that the extent of atomic carbon reduction in the biomasses was less than that of atomic hydrogen and oxygen. Torrefaction also lowered the sulfur content in bamboo and oil palm over 33%. An examination of the R-factor and burnout of the samples suggests that more volatiles were released and a higher burnout was achieved with raw and torrefied biomasses at 250 °C than at 300 °C; however, torrefaction at 300 °C is a feasible operating condition to transform biomass into a solid fuel resembling a high-volatile bituminous coal used for blast furnaces.

原文English
頁(從 - 到)433-438
頁數6
期刊Bioresource Technology
111
DOIs
出版狀態Published - 2012 五月 1

All Science Journal Classification (ASJC) codes

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

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