in a processing unit biomass is mixed with enzymes and chemicals in the initial stages of

processing unit biomass mixed enzymes chemicals initial stages conversion mixing bioconversion fermentation biorefinery pretreatment hydrolysis saccharification lignocellulosic feedstock biocatalysts bioprocessing enzymatic cellulose hemicellulose lignin biofuel production sustainable energy renewable resources biotechnology biochemical engineering industrial processes utilization enzyme activity chemical reactions efficiency biodegradation pathways specificity methods aigenerated concept addition