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Hydrolytic effects of acid and enzymatic pre-treatment on the anaerobic biodegradability of Ascophyllum nodosum and Laminaria digitata species of brown seaweed

Lookup NU author(s): Dr Oluwatosin Obata

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Abstract

Abundant marine biomass in coastal regions has continued to attract increasing attention in recent times as a possible source of renewable energy. This study aimed to evaluate the effects of hydrolytic pre-treatment for the purpose of enhancing biogas yield of Laminaria digitata and Ascophyllum nodosum species found on the west coast of Scotland. Results show that L. digitata, in its natural and untreated form, appears to be more readily hydrolysable than A. nodosum. Two treatments were assessed: acid only and acid followed by enzyme. Both treatments enhanced the hydrolysis of both seaweed species, with acid-enzyme treatment providing a better performance.

Publication metadata

Author(s): Obata O, Akunna J, Walker G

Publication type: Article

Publication status: Published

Journal: Biomass and Bioenergy

Year: 2015

Volume: 80

Pages: 140-146

Print publication date: 01/09/2015

Online publication date: 22/05/2015

Acceptance date: 01/05/2015

ISSN (print): 0961-9534

ISSN (electronic): 1873-2909

Publisher: Elsevier

URL: https://doi.org/10.1016/j.biombioe.2015.05.001

DOI: 10.1016/j.biombioe.2015.05.001

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