Hydrodynamic Cavitation Reactor for Efficient Pretreatment of Lignocellulosic Biomass

  • Kazunori Nakashima
    Department of Chemical Engineering, and ‡Department of Nanomechanics, Tohoku University, Aoba-ku, Sendai 980-8579, Japan
  • Yuuki Ebi
    Department of Chemical Engineering, and ‡Department of Nanomechanics, Tohoku University, Aoba-ku, Sendai 980-8579, Japan
  • Naomi Shibasaki-Kitakawa
    Department of Chemical Engineering, and ‡Department of Nanomechanics, Tohoku University, Aoba-ku, Sendai 980-8579, Japan
  • Hitoshi Soyama
    Department of Chemical Engineering, and ‡Department of Nanomechanics, Tohoku University, Aoba-ku, Sendai 980-8579, Japan
  • Toshikuni Yonemoto
    Department of Chemical Engineering, and ‡Department of Nanomechanics, Tohoku University, Aoba-ku, Sendai 980-8579, Japan

書誌事項

公開日
2016-02-15
資源種別
journal article
DOI
  • 10.1021/acs.iecr.5b04375
公開者
American Chemical Society (ACS)

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説明

In the present study, hydrodynamic (HD) cavitation was combined with sodium percarbonate (SP) for the pretreatment of lignocellulosic biomass. For HD cavitation, a circular flow system equipped with a venturi tube was employed. The combined system of HD and SP (HD-SP) was compared to a pretreatment system using ultrasonication and SP (US-SP). The efficacy of each pretreatment method was evaluated by measuring lignin removal, and glucose and xylose formation. Fourier transform infrared spectra indicated that both systems resulted in a similar degree of lignin removal; however, the HD-SP system was more efficient than the US-SP system for glucose and xylose production. Neither system generated the inhibitor furfural, while it was detected in dilute acid (DA)-pretreated biomass. Furthermore, changing the venturi tube throat diameter improved the efficacy of the HD-SP system. The HD-SP system is promising for the industrial pretreatment of lignocellulosic biomass.

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