Journal Pre-proof Production of biohydrogen by an anaerobic digestion process using the residual glycerol from biodiesel production as additive to cassava wastewater Thompson Ricardo Weiser Meier, Paulo André Cremonez, Thiago Cintra Maniglia, Sílvio César Sampaio, Joel Gustavo Teleken, Edson Antônio da Silva PII: S0959-6526(20)30880-5 DOI: https://doi.org/10.1016/j.jclepro.2020.120833 Reference: JCLP 120833 To appear in: Journal of Cleaner Production Received Date: 29 July 2019 Accepted Date: 29 February 2020 Please cite this article as: Thompson Ricardo Weiser Meier, Paulo André Cremonez, Thiago Cintra Maniglia, Sílvio César Sampaio, Joel Gustavo Teleken, Edson Antônio da Silva, Production of biohydrogen by an anaerobic digestion process using the residual glycerol from biodiesel production as additive to cassava wastewater, (2020), Journal of Cleaner Production https://doi.org /10.1016/j.jclepro.2020.120833 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.