AUTHOR=Valentino Francesco , Pavan Paolo , Dosta Joan TITLE=Editorial: Biofuels and Bioproducts From Anaerobic Processes: Anaerobic Membrane Bioreactors (AnMBRs) JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2021.694484 DOI=10.3389/fbioe.2021.694484 ISSN=2296-4185