Fig. 3From: Self-generated peroxyacetic acid in phosphoric acid plus hydrogen peroxide pretreatment mediated lignocellulose deconstruction and delignificationDetermination of the main degradation products of PHP pretreatment through HPLC–UV, gas fraction of pretreatment after enrichment in water (a), the liquid fraction of the pretreatment after dilution in water (b)Back to article page