Journal Pre-proofs Review Lignocellulosic biomass: Acid and alkaline pretreatments and their effects on biomass recalcitrance – conventional processing and recent advances Adenise Lorenci Woiciechowski, Carlos José Dalmas Neto, Luciana Porto de Souza Vandenberghe, Dão Pedro de Carvalho Neto, Alessandra Cristine Novak Sydney, Luiz Alberto Junior Letti, Susan Grace Karp, Luis Alberto Zevallos Torres, Carlos Ricardo Soccol PII: S0960-8524(20)30117-6 DOI: https://doi.org/10.1016/j.biortech.2020.122848 Reference: BITE 122848 To appear in: Bioresource Technology Received Date: 31 October 2019 Revised Date: 14 January 2020 Accepted Date: 17 January 2020 Please cite this article as: Lorenci Woiciechowski, A., José Dalmas Neto, C., Porto de Souza Vandenberghe, L., Pedro de Carvalho Neto, D., Cristine Novak Sydney, A., Alberto Junior Letti, L., Grace Karp, S., Alberto Zevallos Torres, L., Ricardo Soccol, C., Lignocellulosic biomass: Acid and alkaline pretreatments and their effects on biomass recalcitrance – conventional processing and recent advances, Bioresource Technology (2020), doi: https://doi.org/ 10.1016/j.biortech.2020.122848 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. © 2020 Elsevier Ltd. All rights reserved.