AUTHOR=Artola Adriana , Font Xavier , Moral-Vico Javier , Sánchez Antoni TITLE=The role of solid-state fermentation to transform existing waste treatment plants based on composting and anaerobic digestion into modern organic waste-based biorefineries, in the framework of circular bioeconomy JOURNAL=Frontiers in Chemical Engineering VOLUME=6 YEAR=2024 URL=https://www.frontiersin.org/journals/chemical-engineering/articles/10.3389/fceng.2024.1463785 DOI=10.3389/fceng.2024.1463785 ISSN=2673-2718