title: Synergistic effects of surfactant-assisted ionic liquid pretreatment rice straw.
abstract: The aim of this work was to study an environmentally friendly method for pretreating rice straw by using 1-butyl-3-methylimidazolium chloride ([BMIM]Cl) as an ionic liquid (IL) assisted by surfactants. Different temperatures, reaction times, and surfactant concentrations were studied. Compared with [BMIM]Cl only pretreatment, the addition of 1% sodium dodecyl sulfate (SDS) and 1% cetyl trimethyl ammonium bromide (CTAB) increased lignin removal to 49.48% and 34.76%, respectively. Untreated and pretreated rice straw was thoroughly characterized through FTIR, XRD, and FE-SEM. Cellulose crystallinity and surface morphology of the rice straw were substantially altered after surfactant-assisted IL pretreatment. In conclusion, surfactant-assisted IL pretreatment is an effective method for producing fermentable sugars from lignocellulosic substrates.
authors.affiliation: School of Environmental Science and Engineering and Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, China; Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, China.
authors.forename: Ken-Lin
authors.initials: KL
authors.lastname: Chang
authors.affiliation: School of Environmental Science and Engineering and Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, China.
authors.forename: Xi-Mei
authors.initials: XM
authors.lastname: Chen
authors.affiliation: School of Environmental Science and Engineering and Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, China.
authors.forename: Ye-Ju
authors.initials: YJ
authors.lastname: Han
authors.affiliation: School of Environmental Science and Engineering and Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, China.
authors.forename: Xiao-Qin
authors.initials: XQ
authors.lastname: Wang
authors.affiliation: School of Environmental Science and Engineering and Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, China.
authors.forename: Laddawan
authors.initials: L
authors.lastname: Potprommanee
authors.affiliation: School of Environmental Science and Engineering and Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, China.
authors.forename: Xun-An
authors.initials: XA
authors.lastname: Ning
authors.affiliation: School of Environmental Science and Engineering and Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, China.
authors.forename: Jing-Yong
authors.initials: JY
authors.lastname: Liu
authors.affiliation: School of Environmental Science and Engineering and Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, China.
authors.forename: Jian
authors.initials: J
authors.lastname: Sun
authors.affiliation: Department of Environmental Science and Engineering, Tunghai University, Taichung, Taiwan.
authors.forename: Yen-Ping
authors.initials: YP
authors.lastname: Peng
authors.affiliation: School of Environmental Science and Engineering and Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, China.
authors.forename: Shui-Yu
authors.initials: SY
authors.lastname: Sun
authors.affiliation: Institute of Environmental Engineering, National Sun Yat-Sen University, Kaohsiung, Taiwan. Electronic address: yclin@faculty.nsysu.edu.tw.
authors.forename: Yuan-Chung
authors.initials: YC
authors.lastname: Lin
mesh_terms: D050260:Carbohydrate Metabolism / Q000187:drug effects; D002480:Cellulase / Q000737:chemistry; D002482:Cellulose / Q000737:chemistry; D003460:Crystallization; D006868:Hydrolysis; D007093:Imidazoles / Q000494:pharmacology; D052578:Ionic Liquids / Q000494:pharmacology*; D012275:Oryza / Q000737:chemistry* / Q000187:drug effects / Q000648:ultrastructure; D017550:Spectroscopy, Fourier Transform Infrared; D013501:Surface-Active Agents / Q000494:pharmacology*; D013696:Temperature; D014866:Waste Products; D014961:X-Ray Diffraction
chemical_list: D007093:Imidazoles; D052578:Ionic Liquids; D013501:Surface-Active Agents; D014866:Waste Products; C502841:1-butyl-3-methylimidazolium chloride; D002482:Cellulose; D002480:Cellulase
keywords: Enzymatic hydrolysis; Ionic liquid; Pretreatment; Surfactant