Biocrude yield and productivity from the hydrothermal liquefaction of marine and freshwater green macroalgae

N Neveux; A K L Yuen; C Jazrawi; M Magnusson; B S Haynes; A F Masters; A Montoya; Nicholas A Paul; T Maschmeyer; R de Nys

doi:10.1016/j.biortech.2013.12.083

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Biocrude yield and productivity from the hydrothermal liquefaction of marine and freshwater green macroalgae

Journal article

Peer reviewed

Biocrude yield and productivity from the hydrothermal liquefaction of marine and freshwater green macroalgae

N Neveux, A K L Yuen, C Jazrawi, M Magnusson, B S Haynes, A F Masters, A Montoya, Nicholas A Paul, T Maschmeyer and R de Nys

Bioresource Technology, Vol.155, pp.334-341

2014

DOI: https://doi.org/10.1016/j.biortech.2013.12.083

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Abstract

algae

seaweed

hydrothermal liquefaction

bioenergy

cultivation

Six species of marine and freshwater green macroalgae were cultivated in outdoor tanks and subsequently converted to biocrude through hydrothermal liquefaction (HTL) in a batch reactor. The influence of the biochemical composition of biomass on biocrude yield and composition was assessed. The freshwater macroalgae Oedogonium afforded the highest biocrude yield of all six species at 26.2%, dry weight (dw). Derbesia (19.7%dw) produced the highest biocrude yield for the marine species followed by Ulva (18.7%dw). In contrast to significantly different yields across species, the biocrudes elemental profiles were remarkably similar with higher heating values of 33-34MJkg-1. Biocrude productivity was highest for marine Derbesia (2.4gm-2d-1) and Ulva (2.1gm-2d-1), and for freshwater Oedogonium (1.3gm-2d-1). These species were therefore identified as suitable feedstocks for scale-up and further HTL studies based on biocrude productivity, as a function of biomass productivity and the yield of biomass conversion to biocrude. © 2014 Elsevier Ltd.

Details

Title: Biocrude yield and productivity from the hydrothermal liquefaction of marine and freshwater green macroalgae
Authors: N Neveux (Author) - James Cook University
A K L Yuen (Author) - University of Sydney
C Jazrawi (Author) - University of Sydney
M Magnusson (Author) - James Cook University
B S Haynes (Author) - University of Sydney
A F Masters (Author) - James Cook University
A Montoya (Author) - University of Sydney
Nicholas A Paul (Author) - James Cook University
T Maschmeyer (Author) - University of Sydney
R de Nys (Author) - James Cook University
Publication details: Bioresource Technology, Vol.155, pp.334-341
Publisher: Elsevier BV
Date published: 2014
DOI: 10.1016/j.biortech.2013.12.083
ISSN: 0960-8524
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
Language: English
Record Identifier: 99450935402621
Output Type: Journal article

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