Pretreatment of biomass by torrefaction and carbonization for coal blend used in pulverized coal injection

Shan Wen Du, Wei Hsin Chen, John A. Lucas

研究成果: Article

97 引文 斯高帕斯(Scopus)

摘要

To evaluate the utility potential of pretreated biomass in blast furnaces, the fuel properties, including fuel ratio, ignition temperature, and burnout, of bamboo, oil palm, rice husk, sugarcane bagasse, and Madagascar almond undergoing torrefaction and carbonization in a rotary furnace are analyzed and compared to those of a high-volatile coal and a low-volatile one used in pulverized coal injection (PCI). The energy densities of bamboo and Madagascar almond are improved drastically from carbonization, whereas the increase in the calorific value of rice husk from the pretreatment is not obvious. Intensifying pretreatment extent significantly increases the fuel ratio and ignition temperature of biomass, but decreases burnout. The fuel properties of pretreated biomass materials are superior to those of the low-volatile coal. For biomass torrefied at 300. °C or carbonized at temperatures below 500. °C, the pretreated biomass can be blended with coals for PCI.

原文English
頁(從 - 到)333-339
頁數7
期刊Bioresource technology
161
DOIs
出版狀態Published - 2014 六月

All Science Journal Classification (ASJC) codes

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

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