Waste paper and macroalgae co-digestion effect on methane production

Rodriguez, Cristina and Alaswad, A. and Hassan, ZakiEl and Olabi, A.G. (2018) Waste paper and macroalgae co-digestion effect on methane production. Energy, 154. pp. 119-125. ISSN 0360-5442

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Abstract

The present study investigates the effect on methane production from waste paper when co-digested with macroalgal biomass. Both feedstocks were previously mechanically pretreated to reduce their particle size. The study was planned according two factors: the feedstock to inoculum (F/I) ratio and the waste paper to macroalgae (WP/MA) ratio. The F/I ratios checked were 0.2, 0.3 and 0.4 and the WP/MA ratios were 0:100, 25:75, 50:50, 75:25 and 100:0. The highest methane yield (386 L kg−1 VSadded) was achieved at an F/I ratio of 0.2 and a WP/MA ratio of 50:50. A biodegradability index of 0.87 obtained in this study indicates complete conversion of feedstock at an optimum C/N ratio of 26. Synergistic effect was found for WP/MA 25:75, 50:50 and 75:25 mixing ratios compared with the substrates mono-digestion.

Item Type: Article
Subjects: H100 General Engineering
H800 Chemical, Process and Energy Engineering
Divisions: Faculty of Computing, Engineering and the Built Environment > School of Engineering and the Built Environment
Faculty of Computing, Engineering and the Built Environment > School of Engineering and the Built Environment > Resilient Environments
UoA Collections > REF2021 UoA13: Architecture, Built Environment and Planning
Depositing User: Abed Alaswad
Date Deposited: 06 Jun 2018 12:22
Last Modified: 06 Jun 2018 12:22
URI: http://www.open-access.bcu.ac.uk/id/eprint/5972

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