Effect of hydrothermolysis process conditions on pretreated switchgrass composition and ethanol yield by SSF with Kluyveromyces marxianus IMB4
L Suryawati, MR Wilkins, DD Bellmer, RL Huhnke… - Process …, 2009 - Elsevier
Hot compressed liquid water was used to treat switchgrass in a method called
hydrothermolysis to disrupt lignin, dissolve hemicellulose, and increase accessibility of
cellulose to cellulase. Three temperatures (190, 200, and 210° C) and hold times (10, 15,
and 20min) were tested. Switchgrass treated at 190° C for 10min had the greatest xylan
recovery in the prehydrolyzate. Less than 0.65 g/L glucose were released into the
prehydrolyzate for all pretreatment conditions, indicating most glucose was retained as …
hydrothermolysis to disrupt lignin, dissolve hemicellulose, and increase accessibility of
cellulose to cellulase. Three temperatures (190, 200, and 210° C) and hold times (10, 15,
and 20min) were tested. Switchgrass treated at 190° C for 10min had the greatest xylan
recovery in the prehydrolyzate. Less than 0.65 g/L glucose were released into the
prehydrolyzate for all pretreatment conditions, indicating most glucose was retained as …
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