Effect of ionic liquid weight ratio on pretreatment of bamboo powder prior to enzymatic saccharification

► Biomass was pretreated with different ionic liquid (IL)/biomass ratios (0–10g/g). ► Cholinium IL (less expensive and less toxic than conventional IL) was used. ► An IL/biomass ratio of 3g/g was critical for sufficient biomass pretreatment. ► At an IL/biomass ratio of 3g/g, biomass was not liquid b...

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Veröffentlicht in:Bioresource technology 2013-01, Vol.128, p.188-192
Hauptverfasser: Ninomiya, Kazuaki, Soda, Hiroshi, Ogino, Chiaki, Takahashi, Kenji, Shimizu, Nobuaki
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container_end_page 192
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container_start_page 188
container_title Bioresource technology
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creator Ninomiya, Kazuaki
Soda, Hiroshi
Ogino, Chiaki
Takahashi, Kenji
Shimizu, Nobuaki
description ► Biomass was pretreated with different ionic liquid (IL)/biomass ratios (0–10g/g). ► Cholinium IL (less expensive and less toxic than conventional IL) was used. ► An IL/biomass ratio of 3g/g was critical for sufficient biomass pretreatment. ► At an IL/biomass ratio of 3g/g, biomass was not liquid but solid. ► The solid-state biomass pretreatment using IL can reduce cost and waste water. The pretreatment efficiency of weight ratios ranging from 0 to 10 of the ionic liquid, cholinum IL, to bamboo powder was investigated. An IL/biomass ratio of 3g/g was critical to obtain a cellulose saccharification ratio of 80%. At this ratio, the treated bamboo powder remained as a solid. The solid-state pretreatment required a minimum amount of cholinium IL, which could reduce the cost of IL-assisted pretreatment and reduce the amount of wastewater generated in the process.
doi_str_mv 10.1016/j.biortech.2012.10.097
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subjects Bamboo
bamboos
Biological and medical sciences
Biomass
Biotechnology
Carbohydrates - chemical synthesis
Cellulase - chemistry
Cellulose
Cellulose - chemistry
Choline - chemistry
Cholinium
Cost engineering
Enzymatic hydrolysis
Fundamental and applied biological sciences. Psychology
Ionic liquid/biomass ratio
Ionic liquids
Ionic Liquids - chemistry
Lignocellulose
Powders
Pretreatment
Saccharification
Sasa - chemistry
Waste water
wastewater
title Effect of ionic liquid weight ratio on pretreatment of bamboo powder prior to enzymatic saccharification
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