Page 73 - Lignocellulosic Biomass to Liquid Biofuels

biomass relatively is digestibility enough to needs still use. independent with used used. with alkaline or to biomass wall. cell dry for efficiency be should (Continued)

increasing consumption cellulose the high not efficiency for combinedly pretreatment independently combined acid, fresh for plant and biomass

for Disadvantages and generally Pretreatment improved Usually be Usually hydrothermal, pretreatments used breakdown Applicability lignocellulose improved
methods Energy high, is be other Cannot Usually

pretreatment generally is most few or no with few a only with operation inhibitors are inhibitors of

different reduction for step No process. formed wastes or No formed are wastes of continuous of No discharge

of size are of clean. inhibitors discharge formation clean. little with
disadvantages Advantages Mechanical prerequisite a pretreatment inhibitors of discharge and Simple the of little achieve Can little with and Simple formed wastes

and the form
advantages, to reduce to specific disrupt also cause ultrasound, to beam degrade and polymerization by structure action heating high- using to field wall cell the

mechanisms, mechanisms and digestibility force mechanical increasing thus can Milling and structure and cellulose of ray, electron or structure, wall lignin and cellulose biomass and mixing, by wall cell electric external across potential

action, action of cellulose size area. wall depolymerization decrystallization gamma microwave, cell hemicelluloses deconstruct shearing, breakdown

of Mode improve using particle surface cell using disrupt decrease strength electric
modes By By To To

General digestibility. pretreatment

2.2 Pretreatment Mechanical comminution pretreatment pretreatment electric pretreatment
Table enzymatic methods Physical Irradiation Extrusion Pulsed field