High-solids enzymatic hydrolysis of ball-milled corn stover with reduced slurry viscosity and improved sugar yields.

ABSTRACT:

Background

High-solids enzymatic hydrolysis has attracted increasing attentions for the production of bioethanol from lignocellulosic biomass with its advantages of high product concentration, water saving, and low energy and capital costs. However, the increase of solids content would worsen the rheological properties, resulting in heat/mass transfer limitation and higher mixing energy. To address these issues, ball milling was applied to corn stover prior to enzymatic hydrolysis, and the rheological behaviors and digestibility of ball-milled corn stover under high-solids loading were investigated.

Results

Ball milling significantly modified the physicochemical properties of corn stover. The apparent viscosity of slurries at 30% solid loading decreased by a factor of 500 af

SUBMITTER: Lu M 

PROVIDER: S-EPMC7171840 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature