2015
DOI: 10.1016/j.bej.2015.08.002
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Effect of post-pretreatment washing on saccharification and co-fermentation from bagasse pretreated with biocompatible cholinium ionic liquid

Abstract: a b s t r a c tCholine acetate (ChOAc), a cholinium ionic liquid (IL), was used for biomass pretreatment; thereafter, saccharification of the pretreated biomass and glucose/xylose co-fermentation were conducted with different number of post-pretreatment washes (1-5 and 10 washes). Besides saccharification and cofermentation data, the inhibitory effect of ChOAc on the biocatalyst was compared with that of 1-ethyl-3-methylimidazolium acetate (EmimOAc). ChOAc showed less inhibitory effect on cellulase and yeast a… Show more

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Cited by 25 publications
(14 citation statements)
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“…Aside from the enzymes’ compatibility, the high cost of ILs and the concern over the environment on the disposal of ILs are also some of the main obstacles hindering the large-scale application in the pretreatment of lignocellulosic biomass. Advantageously, ILs may have a good recyclability (Ninomiya et al 2015c ) and can be reused to reduce the cost and the impact on the environment. There are several methods to recycle ILs, and distillation of volatile solutes is always the first choice to recover the ILs due to their low vapor pressure.…”
Section: Introductionmentioning
confidence: 99%
“…Aside from the enzymes’ compatibility, the high cost of ILs and the concern over the environment on the disposal of ILs are also some of the main obstacles hindering the large-scale application in the pretreatment of lignocellulosic biomass. Advantageously, ILs may have a good recyclability (Ninomiya et al 2015c ) and can be reused to reduce the cost and the impact on the environment. There are several methods to recycle ILs, and distillation of volatile solutes is always the first choice to recover the ILs due to their low vapor pressure.…”
Section: Introductionmentioning
confidence: 99%
“…The residual ChCl:EG and H 2 SO 4 in the pretreated biomass cannot be ignored because of their toxicity to enzymes and microbes. 95,96 Moreover, Viswanathan et al 55 conducted the TEA of ethanol and diesel coproduction from industrial hemp biomass with hydrothermal pretreatment at 50% solid loading and enzymatic hydrolysis subsequently. They mentioned that glucose and xylose yields were 85 and 80%, respectively.…”
Section: ■ Results and Discussionmentioning
confidence: 99%
“…They could disturb the major linkages between sugars and lignin of biomass, and extract them from the raw materials ( Feng et al, 2019 ; Tan et al, 2020 ). However, issues about DESs recovery and DESs residues in the biomass still exist ( Ninomiya et al, 2015 ). More specifically, a certain amount of solvent often remains in the biomass after the treatment, which may reduce the quality of biomass and cause solvent loss.…”
Section: Introductionmentioning
confidence: 99%
“…More specifically, a certain amount of solvent often remains in the biomass after the treatment, which may reduce the quality of biomass and cause solvent loss. Therefore, a tedious and cost-intensive washing step is required to make the treated biomass free of DES and to obtain a higher recovery yield of the solvent ( Ninomiya et al, 2015 ; Hou et al, 2017a ). Nonetheless, trace of DES may still remain in the recovered- or regenerated- biomass after washings.…”
Section: Introductionmentioning
confidence: 99%