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Issue 48, 2016, Issue in Progress
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Effect of process parameters on hydrothermal liquefaction of waste furniture sawdust for bio-oil production

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Abstract

In the present study, hydrothermal liquefaction of waste furniture sawdust was examined. The effects of various reaction conditions such as reaction temperature (180–300 °C), residence time (0–60 min), water to sawdust ratio (2–10) and initial N2 pressure (0–2 MPa) on the product yields were studied using a high pressure batch reactor in order to determine the optimal liquefaction parameters for the production of maximum bio-oil yield. The solid residue was characterized to investigate the mechanism of hydrothermal liquefaction process by FT-IR. The highest sawdust conversion (61.6 wt%) and bio-oil yield (12.7 wt%) were obtained at 280 °C, 15 min and ratio of the water to sawdust of 6 with initial N2 pressure of 1.0 MPa. The higher heating values (HHVs) of the bio-oils were found to be within the range of 17–30 MJ kg−1. The GC-MS analysis revealed that sawdust liquefaction bio-oils comprised a complex mixture of organic compounds, which include alcohols, acids, aldehydes, ketones, esters, phenols and their derivatives.

Graphical abstract: Effect of process parameters on hydrothermal liquefaction of waste furniture sawdust for bio-oil production

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Publication details

The article was received on 31 Jan 2016, accepted on 18 Apr 2016 and first published on 20 Apr 2016


Article type: Paper
DOI: 10.1039/C6RA02868C
Citation: RSC Adv., 2016,6, 41772-41780

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    Effect of process parameters on hydrothermal liquefaction of waste furniture sawdust for bio-oil production

    M. K. Jindal and M. K. Jha, RSC Adv., 2016, 6, 41772
    DOI: 10.1039/C6RA02868C

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