Alkaline Hydrogen Peroxide Delignification of Three Lignocellulosic Biomass under Atmospheric Pressure

The study’s goal was to investigate the delignification characteristics using alkaline hydrogen peroxide (AHP) under atmospheric pressure, intending it as a pre-treatment method for transforming low-value lignocellulosic biomass into high-performance structural materials. The lignocellulosic biomass used in this study were Japanese cedar (Cryptomeria japonica), Hyun aspen (Populus alba x glandulosa), and bamboo (Phyllostachys pubescens), which are underutilized and low-value lignocellulosic biomass in Korea. The delignification conditions used were pH 11, liquor ratio 12.5, H2O2 (3 to 10%), temperature (25 to 100 °C), and time (1 to 24 h). Japanese cedar exhibited