Forming Characteristics of Bio-coke with a Mixture of Bamboo and Carbonized Japanese Cedar

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  • TORII Yusuke
    Graduate school of Biology-Oriented Science and Technology, Kinki University
  • MIZUNO Satoru
    School of Science and Engineering, Kinki University
  • NISHI Kenji
    Graduate school of Biology-Oriented Science and Technology, Kinki University
  • ICHINO Yoshimitsu
    Graduate school of Biology-Oriented Science and Technology, Kinki University
  • OHMASA Mitsushi
    School of Biology-Oriented Science and Technology, Kinki University
  • SAWAI Toru
    School of Biology-Oriented Science and Technology, Kinki University
  • IDA Tamio
    School of Science and Engineering, Kinki University
  • FUCHIHATA Manabu
    School of Science and Engineering, Kinki University

Bibliographic Information

Other Title
  • 竹とスギ炭化物の混合試料によるバイオコークスの成形特性
  • タケ ト スギ タンカブツ ノ コンゴウ シリョウ ニ ヨル バイオコークス ノ セイケイ トクセイ

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Abstract

  The utilization of unused biomass such as logging residues and broadleaf trees has come to attract attention to protect forests and satoyamas (a Japanese term for undeveloped woodlands near populated areas) in Japan. In this study, the modification of bio-coke fuels as an alternative to coal coke is investigated by using bamboo and Japanese cedar, which are the typical domestic woody biomass in forests and satoyamas. To improve the compressive strength under high temperature environment and the heating value of bio-coke, carbonized Japanese cedar is mixed with bamboo. The effect of the carbide mixture on the forming characteristics of bio-coke such as density, compressive strength, and heating value are experimentally clarified. The results obtained in the present study are as follows: (1) the density of bio-coke increases with increase in forming temperature and forming pressure, but is reduced by the addition of carbide as the thermoplastic polymer is reduced (2) the increase in carbide reduces the compressive strength under normal temperature environment and improves the compressive strength under high temperature environment. When the carbide content was 30%, the compressive strength under high temperature environment was 3.26MPa. (3) The addition of carbide is an effective way to improve the compressive strength under high temperature environment and to enhance the heating value of bio-coke.

Journal

  • Journal of Smart Processing

    Journal of Smart Processing 1 (2), 63-70, 2012-03-20

    Smart Processing Society for Materials, Environment & Energy (High Temperature Society of Japan)

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