Gottardo M, Cavinato C, Bolzonella D, Pavan P. Dark Fermentation Optimization by Anaerobic Digested Sludge Recirculation: Effects on Hydrogen Production. Chemical Engineering Transactions [Internet]. 20Jun.2013 [cited 17Aug.2024];32:997-002. Available from: https://www.cetjournal.it/index.php/cet/article/view/CET1332167