Figure 3From: A short review on SSF – an interesting process option for ethanol production from lignocellulosic feedstocksThe influence of substrate loading (A), enzyme loading (B), and cell concentration (C) on ethanol yield in SSF of different materials: pretreated barley straw (black circle) [121], pretreated spruce (black diamond) [117, 149], pretreated salix (black square) [120], pretreated willow (black triangle) [122] and pretreated corn stover (×) [150].Back to article page