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Association of inorganic species release with sugar recovery during wood hydrothermal processing

机译:木材热加工过程中无机物释放与糖回收的关系

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摘要

Over 90% of the inherent Mg and Ca in wood can be released during wood hydrothermal processing in a semi-continuous flow reactor at 10 MPa and 150 degrees C. An increase in temperature to 180 degrees C results in rapid release of Mg and Ca, but a further increase in temperature has little effect. The release of Mg and Ca is associated with the conversion of organic matter during hydrothermal processing. In particular, the release of water-insoluble Mg and Ca correlates well with the arabinose recovery, suggesting that these species are bound to carboxylic acid functional group on hemicellulose side chains and their release requires the cleavage of these side chains. (C) 2015 Elsevier Ltd. All rights reserved.
机译:木材中90%以上的固有Mg和Ca可以在10 MPa和150摄氏度的半连续流反应器中进行木材水热处理时释放。温度升高至180摄氏度会导致Mg和Ca的迅速释放,但是温度进一步升高几乎没有影响。镁和钙的释放与水热处理过程中有机物的转化有关。特别地,水不溶性Mg和Ca的释放与阿拉伯糖的回收率很好地相关,这表明这些物质与半纤维素侧链上的羧酸官能团结合,并且它们的释放需要这些侧链的裂解。 (C)2015 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Fuel》 |2016年第15期|581-584|共4页
  • 作者单位

    Curtin Univ, Dept Chem Engn, Perth, WA 6845, Australia;

    Curtin Univ, Dept Chem Engn, Perth, WA 6845, Australia;

    Curtin Univ, Dept Chem Engn, Perth, WA 6845, Australia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Biomass; Biofuel; Inorganic matter; Hydrothermal processing; Release;

    机译:生物质;生物燃料;无机物;水热加工;释放;

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