Aqueous Pretreatment of Plant Biomass for Biological and Chemical Conversion to Fuels and Chemicals 2013
DOI: 10.1002/9780470975831.ch7
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Fundamentals of Aqueous Pretreatment of Biomass

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Cited by 24 publications
(11 citation statements)
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“…Liquid hot water pretreatment is also termed as hot water pretreatment, hot compressed water pretreatment, and hydrothermal pretreatment. Since the pretreatment does not use any other chemicals, it is an environmentally friendly method with low operation and capital costs compared to chemical pretreatment [ 34 ]. However, hot water pretreatment requires 20–50 °C higher temperatures and 5–15 min longer residence times compared to dilute acid pretreatment to gain the same cellulose conversion yields.…”
Section: One-step Pretreatmentmentioning
confidence: 99%
“…Liquid hot water pretreatment is also termed as hot water pretreatment, hot compressed water pretreatment, and hydrothermal pretreatment. Since the pretreatment does not use any other chemicals, it is an environmentally friendly method with low operation and capital costs compared to chemical pretreatment [ 34 ]. However, hot water pretreatment requires 20–50 °C higher temperatures and 5–15 min longer residence times compared to dilute acid pretreatment to gain the same cellulose conversion yields.…”
Section: One-step Pretreatmentmentioning
confidence: 99%
“…Formic acid and acetic acid are released from dissociation of hemicellulose/cellulose/ lignin inter-polymeric linkages. 58,59 And oligomers can directly degrade into various as yet not fully characterized compounds. 18,60 Lignin is believed to depolymerize and form micelles via both homolytic and acidolytic cleavage into low molecular weight lignin globules.…”
Section: Fundamentals Of Hydrothermal Processing Effects On Biomassmentioning
confidence: 99%
“…As is common with acid-based pretreatments, increased pretreatment severity successively increased the solubilization of hemicellulose from the plant cell wall matrix, thus enriching the pretreated solids in cellulose and lignin for both bagasse and CLM [ 30 , 33 ]. Within the evaluated conditions, the highest combined sugar yield for bagasse was obtained at intermediate severity (Log R 0 = 4.22), amounting to 55.3 kg sugar/100 kg RDM (77% of the theoretical maximum).…”
Section: Resultsmentioning
confidence: 99%
“…During the pretreatment process, there is selective fractionation of hemicellulose, partial cleavage of lignin–carbohydrate complex ester linkages and increased substrate accessibility toward hydrolytic enzymes [ 29 32 ]. Advantages of StEx pretreatment for integration in sugar mill operations include the use of water as a green solvent, relatively low capital investment, moderate energy requirements and the ability to use high-moisture content biomass (such as bagasse) [ 31 , 33 ]. However, due to pretreatment severities required for obtaining high cellulose digestibility, StEx generates hemicellulose and cellulose-derived degradation products that are inhibitory to downstream enzymatic hydrolysis and fermentation [ 34 ].…”
Section: Introductionmentioning
confidence: 99%