*2.1. Sample Preparation*

In this study, the raw material was obtained after the annual pruning of an olive tree plantation in the province of Córdoba (Spain), following olive harvest. The olive tree prunings were air-dried at room temperature until their moisture content was below 8% and stored until use. Before the raw material was subjected to the pulping process, it was chipped in an automatic grinder to obtain chips of 4–5 cm length to facilitate the fractioning of the lignocellulosic components.
