Fig. 6From: Self-generated peroxyacetic acid in phosphoric acid plus hydrogen peroxide pretreatment mediated lignocellulose deconstruction and delignificationHPLC detection of peroxyacetic acid resulted from acetic acid addition in PHP system with an increasing concentration (a). The positive correlation between the concentration of peroxyacetic acid formed in the PHP system and the concentration of acetic acid artificially added, 0.00%, 0.20%, 0.36%, 0.70% and 1.00% (b)Back to article page