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of biomass.  References Disadvantages Advantages  changed Composition  [36,37] degradation  sugar Partially Moderate  and Cellulose  inhibitor  of Generation temperature hemicellulose  compounds  Cellulose conversion  consumption  power  High crystallinity  reduction  for Adaptability  process  many  modifications  hazardous  Less  p
         pretreatment




         the                             under  H 3 PO 4
         for        grinding,            process  mixing,
         used  Procedure  Chipping,  milling  Heating  shear  T . 300°C  1% 5%NaOH,  4 30 min  300 600 W  Sonication  10 100 kHz
         processes                                               50°C



         various    corn  straw,  wheat  cane  sweet  sorghum  bagasse  stover,  switchgrass,  soybean  stover,  sugarcane  rape  bagasse,  Miscanthus  corn  bagasse,  switchgrass,  Sorghum,


         of  Feedstock  Rice  stover,  straw,  and  Corn  Switchgrass,  corn  straw,  Sugarcane  stover,  poplar
         Summary    size



         4.2          reduction            extrusion
         Table  Pretreatment  process  Physical  Mechanical  Mechanical  Microwave  Ultrasound
   158   159   160   161   162   163   164   165   166   167   168