a non - woody biomass is delignified through extrusion technology , utilizing hydrogen peroxide and an alkali agent , to break down complex biomass materials . the process is useful in forming a highly absorbent fiber material for use as a dietary fiber or an absorbent fiber . alternatively , the process is useful for preparing dietary feeds for ruminant animals , as well as produce a broad range of alcohols or polymers from the non - woody lignocellulosic substrate .