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Development of Continuous Flow Type Hydrothermal Reactor for Hemicellulose Fraction Recovery from Corncob by Satoshi Makishima; Masahiro Mizuno; Nobuaki Sato; Kazunori Shinji; Masayuki Suzuki; Kouichi Nozaki; Fumihiro Takahashi; Takahisa Kanda; Yoshihiko Amano is a Engineering article available to read on EtoBox.

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The semi-pilot scale of continuous flow type hydrothermal reactor has been investigated to separate hemicellulose fraction from corncob. We obtained the effective recovery of hemicellulose using tubular type reactor at 200 °C for 10 min. From constituent sugar analysis of corncob, 82.2% of xylan fraction was recovered as mixture of xylose, xylooligosaccharides and higher-xylooligosaccharide which has more than DP 10. During purification of solubilized fraction by hydrothermal reaction such as ultrafiltration and ion exchange resin, higher-xylooligosaccharide was recovered as the precipitate. This precipitate was identified as non-blanched xylan fraction which has from DP 11 to DP 21 mainly. In this system, only a small amount of furfural has been generated. This tubular reactor has a characteristic controllability of thermal history, and seems to be effective for sugar recovery from soft biomass like corncob.

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Author

Satoshi Makishima; Masahiro Mizuno; Nobuaki Sato; Kazunori Shinji; Masayuki Suzuki; Kouichi Nozaki; Fumihiro Takahashi; Takahisa Kanda; Yoshihiko Amano

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0960-8524)

Published

2009

Language

EN

Field

Engineering (Physical Sciences)