title: Cellulosic biomass pretreatment and sugar yields as a function of biomass particle size.
abstract: Three lignocellulosic pretreatment techniques (ammonia fiber expansion, dilute acid and ionic liquid) are compared with respect to saccharification efficiency, particle size and biomass composition. In particular, the effects of switchgrass particle size (32-200) on each pretreatment regime are examined. Physical properties of untreated and pretreated samples are characterized using crystallinity, surface accessibility measurements and scanning electron microscopy (SEM) imaging. At every particle size tested, ionic liquid (IL) pretreatment results in greater cell wall disruption, reduced crystallinity, increased accessible surface area, and higher saccharification efficiencies compared with dilute acid and AFEX pretreatments. The advantages of using IL pretreatment are greatest at larger particle sizes (>75 µm).
authors: The Joint BioEnergy Institute, Emeryville, California, United States of America; Sandia National Laboratories, Livermore, California, United States of America.
authors: Michael J
authors: MJ
authors: Dougherty
authors: The Joint BioEnergy Institute, Emeryville, California, United States of America; Sandia National Laboratories, Livermore, California, United States of America.
authors: Huu M
authors: HM
authors: Tran
authors: Sandia National Laboratories, Livermore, California, United States of America.
authors: Vitalie
authors: V
authors: Stavila
authors: The Joint BioEnergy Institute, Emeryville, California, United States of America; Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, United States of America.
authors: Bernhard
authors: B
authors: Knierim
authors: The Joint BioEnergy Institute, Emeryville, California, United States of America; Sandia National Laboratories, Livermore, California, United States of America.
authors: Anthe
authors: A
authors: George
authors: The Joint BioEnergy Institute, Emeryville, California, United States of America; Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, United States of America.
authors: Manfred
authors: M
authors: Auer
authors: The Joint BioEnergy Institute, Emeryville, California, United States of America; Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, United States of America; Department of Bioengineering, University of California, Berkeley, California, United States of America.
authors: Paul D
authors: PD
authors: Adams
authors: The Joint BioEnergy Institute, Emeryville, California, United States of America; Sandia National Laboratories, Livermore, California, United States of America.
authors: Masood Z
authors: MZ
authors: Hadi
mesh_terms: D000143:Acids / Q000494:pharmacology; D018533:Biomass; D002241:Carbohydrates / Q000096:biosynthesis*; D002473:Cell Wall / Q000187:drug effects* / Q000648:ultrastructure; D003460:Crystallization; D052578:Ionic Liquids / Q000494:pharmacology*; D008855:Microscopy, Electron, Scanning; D009584:Nitrogen / Q000737:chemistry / Q000378:metabolism; D010316:Particle Size; D006109:Poaceae / Q000737:chemistry / Q000378:metabolism
chemical_list: D000143:Acids; D002241:Carbohydrates; D052578:Ionic Liquids; D009584:Nitrogen