Fig. 2From: Flowthrough pretreatment with very dilute acid provides insights into high lignin contribution to biomass recalcitranceMass of lignin, and lignin and xylan removal. Mass of lignin left in solids (a) and lignin (b) and xylan (c) removal from solids for batch and flowthrough (FT) pretreatments with just hot water (LHW) and extremely dilute acid (EDA)Back to article page