“…Currently, many academic and industrial studies are focused on biodegradable materials in order to replace fossil oil based products, decrease plastic pollution and more broadly safeguard the environment and pay close attention to a sustainable development. (Maaloul, Arfi, Rendueles, Ghorbal, & Diaz, 2017;Nechyporchuk, Belgacem, & Bras, 2016;Lins, Bugatti, Livi, & Gorrasi, 2018;Zhang, Xiao, Chen, Wei, Liu, 2020). The use of agricultural by-products coming from nuts and almonds has been deeply studied (Demirba , 2002;Pirayesh & Khazaeian, 2012): besides of the pruning and other residuals coming from the fields, shells and hulls are the main by-products of the processing of almonds.…”