Page 78 - Lignocellulosic Biomass to Liquid Biofuels
P. 78

Disadvantages
               Advantages
                       high-  sugars  of decomposition Significant cellulose improve  to Efficient  is pressure  High inhibitors.  form  to  low relatively  with digestibility  usually  is explosion  Steam  needed. consumption,  energy  low  cost, duration  and  biomass  grass  for effective  size  particle  big  for  suitable  being  to sati
               to      with   is  explosive  cell  and  chips  a  with  part  with  to  wall  accessibility  respectively
               mechanisms  digestibility  heated  or  steam  short  a  for  pressure  causing  deconstruct  significant  structure  lignin  wood  reduction  considerable  removed  Lignin  modified  Cell  deconstructed  cellulose  alkaline  and  remove  lignin




               and     are  saturated  CO 2 the  then  to  with  hemicelluloses  of  soften  size  A  is  delignification.  greatly  hydrophilic.  greatly  in  acid  of  to  and  process
               action  cellulose  substrates  and  reduced  decompression  structure  of  explosion)  to  sulfite  by  milling.  hemicelluloses  is  is  increase  hemicelluloses  multistage

               of         pressure  supercritical  time  swiftly  removal  modification  stem  followed  partial  structure  more  structure  with  Combination  pretreatment  a
               Mode  improve  Biomass  of  wall  Using  disk  it        in

           (Continued)  pretreatment  CO 2  etc.)                acid




           2.2  Pretreatment  Physicochemical  pretreatment  (steam  explosion,  explosion,  Subsequent  alkaline  pretreatment
           Table  methods  Combined          SPROL                 and
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