RSC Advances p. 33901 - 33909 (2016)
Update date:2022-08-11
Topics:
Malihan, Lenny B.
Nisola, Grace M.
Mittal, Neha
Lee, Seong-Poong
Seo, Jeong Gil
Kim, Hern
Chung, Wook-Jin
A supported ionic liquid phase (SILP) catalyst for biomass hydrolysis was prepared via immobilization of an acidic ionic liquid (IL) with a phosphotungstic counter-anion H2PW12O40- (HPW) on ordered mesoporous silica (SBA-15). Characterization results from XRD, N2 physisorption, FT-IR, TGA and SEM/TEM image analyses confirmed the successful preparation of the SILP catalyst (SBA-IL-HPW). Meanwhile, its catalytic performance was evaluated in terms of sugar production from the hydrolysis of different biomasses in water. Under optimal hydrolysis conditions, SBA-IL-HPW yielded 73% d-galactose from agarose and 58% d-glucose from cellobiose. Moreover, SBA-IL-HPW effectively hydrolyzed the red macroalgae G. amansii as it afforded 55% total reducing sugar and 38% d-galactose yields. SBA-IL-HPW was easily separated from the hydrolysates after reaction and was re-used five times without significant loss of activity. Overall findings reveal the potential of SBA-IL-HPW as a durable, environmentally benign catalyst for sugar production from renewable resources.
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ZHEJIANG JIANYE CHEMICAL CO.,LTD.
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Shangyu Sanhechemicals Co.,LTD.
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XI'AN CHUKANG BIOTECHNOLOGY CO.,LTD
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Doi:10.1021/jo962159t
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