Figure 3From: Effect of mechanical disruption on the effectiveness of three reactors used for dilute acid pretreatment of corn stover Part 1: chemical and physical substrate analysis13C cross polarization/magic-angle spinning (CP/MAS) solid-state nuclear magnetic resonance (NMR) spectra of untreated and pretreated corn stover from three reactors. Spectra were normalized to the cellulose peak at 72 ppm. ZipperClave®; SG, steam gun; HS, horizontal screw.Back to article page