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Wet Oxidation Pretreatment of Wood Pulp Waste for Enhancing Enzymatic Saccharification

Bioresources, 2015-01, Vol.10 (2), p.2177-2184 [Peer Reviewed Journal]

ISSN: 1930-2126 ;EISSN: 1930-2126 ;DOI: 10.15376/biores.10.2.2177-2184

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  • Title:
    Wet Oxidation Pretreatment of Wood Pulp Waste for Enhancing Enzymatic Saccharification
  • Author: Ji, Xingxiang ; Liu, Shanshan ; Wang, Qiang ; Yang, Guihua ; Chen, Jiachuan ; Fang, Guigan
  • Subjects: Delignification ; Enzymatic saccharification ; Hydrolysis ; Reducing sugar yield ; Wet oxidation ; Wood pulp waste
  • Is Part Of: Bioresources, 2015-01, Vol.10 (2), p.2177-2184
  • Description: Effective pretreatment of wood pulp waste is important for enhancing enzymatic saccharification. For this reason, wet oxidation process conditions were considered with the hypothesis that the alkaline oxygen conditions would favor delignification and hydrolysis of lignocellulose. Enzymatic saccharification was greatly improved to 42.9% in terms of reducing sugar yield under the conditions of pH = 10, oxygen pressure = 1.2 MPa, time = 15 min, and temperature = 195 °C. A total of 39% of lignin and 73% of hemicellulose were removed and dissolved into the hydrolyzate. Furthermore, the chemical structure, crystallinity, and morphology of the treated substrate were characterized by Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), and scanning electron microscopy (SEM).
  • Publisher: North Carolina State University
  • Language: English
  • Identifier: ISSN: 1930-2126
    EISSN: 1930-2126
    DOI: 10.15376/biores.10.2.2177-2184
  • Source: Geneva Foundation Free Medical Journals at publisher websites
    Directory of Open Access Journals
    ROAD: Directory of Open Access Scholarly Resources
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