Extrusion Processing

Enhancement of corn stover conversion to carboxylates by extrusion and biotic triggers in solid-state fermentation

“…Compared to other pretreatment methods, which are mainly performed in batch mode, extrusion has the advantage to be a continuous process, with a short residence time and high solid content (50-80%), which makes it easy to be scaledup and with great adaptability to process modification (Muthukumarappan and Karunanithy 2016). Moreover, the total energy requirement of extrusion process has been estimated as 0,22-0,69 kWh/ t TS (Lamsal et al 2010), which is quite low compared to the energy required for other pre-treatments.…”

“…Originally used in the plastic industry and later adapted to the food industry, extrusion process is a new promising physical pretreatment method for biomass conversion to sugars platform for biorefinery purposes (Zheng and Rehmann 2014;Muthukumarappan and Karunanithy 2016). In the context of environmental biorefinery, extrusion pre-treatment has been evaluated to increase the biogas yield in anaerobic digestion (Vrije et al 2002;Panepinto and Genon 2016) and to increase sugar recovery by enzymatic hydrolysis (Karunanithy and Muthukumarappan 2011).…”