Journal Pre-proof Enhanced Bioenergy Production from Palm Oil Mill Efﬂuent by Co-digestion in Solar Assisted Bioreactor: Effects of Hydrogen Peroxide Pretreatment B.K. Zaied, Mohd Nasrullah, Md. Nurul Islam Siddique, A.W. Zularisam, Lakhveer Singh, Santhana Krishnan PII: S2213-3437(19)30674-8 DOI: https://doi.org/10.1016/j.jece.2019.103551 Reference: JECE 103551 To appear in: Journal of Environmental Chemical Engineering Received Date: 23 August 2019 Revised Date: 27 October 2019 Accepted Date: 16 November 2019 Please cite this article as: Zaied BK, Nasrullah M, Islam Siddique MN, Zularisam AW, Singh L, Krishnan S, Enhanced Bioenergy Production from Palm Oil Mill Efﬂuent by Co-digestion in Solar Assisted Bioreactor: Effects of Hydrogen Peroxide Pretreatment, Journal of Environmental Chemical Engineering (2019), doi: https://doi.org/10.1016/j.jece.2019.103551 This is a PDF ﬁle of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the deﬁnitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its ﬁnal form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2019 Published by Elsevier.