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Elucidation Of The Effect Of Ionic Liquid Pretreatment On Rice Husk Via Structural Analyses, Teck Nam Ang Dr., Gek Cheng Ngoh Dr, Adeline Seak May Chua Dr, Min Gyu Lee Prof
Elucidation Of The Effect Of Ionic Liquid Pretreatment On Rice Husk Via Structural Analyses, Teck Nam Ang Dr., Gek Cheng Ngoh Dr, Adeline Seak May Chua Dr, Min Gyu Lee Prof
Teck Nam Ang Dr.
Background: In the present study, three ionic liquids, namely 1-butyl-3-methylimidazolium chloride ([BMIM]Cl), 1-ethyl-3-methylimidazolium acetate ([EMIM]OAc), and 1-ethyl-3-methylimidazolium diethyl phosphate ([EMIM]DEP), were used to partially dissolve rice husk, after which the cellulose were regenerated by the addition of water. The aim of the investigation is to examine the implications of the ionic liquid pretreatments on rice husk composition and structure. Results: From the attenuated total reflectance Fourier transform-infrared (ATR FT-IR) spectroscopy, X-ray diffraction (XRD) and scanning electron microscopy (SEM) results, the regenerated cellulose were more amorphous, less crystalline, and possessed higher structural disruption compared with untreated rice husk. The major component …