Journal Pre-proof Recovery of humic acids from anaerobic sewage sludge: Extraction, characterization and encapsulation in alginate beads Giulio Cristina, Enrico Camelin, Carminna Ottone, Silvia Fraterrigo Garofalo, Lorena Jorquera, Mónica Castro, Debora Fino, María Cristina Schiappacasse, Tonia Tommasi PII: S0141-8130(20)33852-6 DOI: https://doi.org/10.1016/j.ijbiomac.2020.07.097 Reference: BIOMAC 16145 To appear in: International Journal of Biological Macromolecules Received date: 10 May 2020 Revised date: 24 June 2020 Accepted date: 9 July 2020 Please cite this article as: G. Cristina, E. Camelin, C. Ottone, et al., Recovery of humic acids from anaerobic sewage sludge: Extraction, characterization and encapsulation in alginate beads, International Journal of Biological Macromolecules (2020), https://doi.org/10.1016/j.ijbiomac.2020.07.097 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 Published by Elsevier.