20140017753 | BIOGAS PRODUCTION - A process for the production of biogas from biodegradable material is disclosed, the process comprising the steps of: (a) adding the biodegradable material to the reactor; (b) inoculating a microorganisms; (c) adding a colloidal solution of surface-modified iron oxide nanoparticles to the reactor; (d) providing anaerobic conditions; (e) carrying out an anaerobic digestion; and (f) collecting the biogas; wherein the steps (a), (b) and (c) can be carried out in any order. | 01-16-2014 |