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Highly efficient conversion of microcrystalline cellulose to 5-hydroxymethyl furfural in a homogeneous reaction system

机译:微晶纤维素高效转化为均相反应系统中的微晶纤维素至5-羟甲基糠醛

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The development of novel methods to obtain biofuels and chemicals from biomass has been an immediate issue in both academic and industrial communities. The present work introduces a new route to synthesize 5-hydroxymethyl furfural (5-HMF) in a one-vessel system through a tandem pathway involving decrystallization, depolymerization and conversion of microcrystalline cellulose (MCC) in a molten hydrate solution. A 71.62 wt% ZnCl _(2) aqueous solution was employed as the reaction media and methylisobutylketone (MIBK) as the extracting solvent in the reaction system. A yield of 80.6 mol% of 5-HMF was obtained at 150 °C with a HCl concentration of 0.2 mol L ~(?1) in the solution for 40 min. The aqueous phase can be reused without significant loss of catalytic activity.
机译:从生物量获得生物燃料和化学品的新方法的发展是学术和工业社区的直接问题。本作者通过促进熔融水合物溶液中的串联途径,在单血管系统中合成一血管系统中的5-羟甲基糠醛(5-HMF)的新途径。将71.62wt%ZnCl _(2)水溶液用作反应介质和甲基异丁基酮(MIBK)作为反应体系中的提取溶剂。在150℃下在溶液中在150℃下在150℃下获得80.6mol%的5-HMF的产率为40分钟的0.2mol L〜(α1)。水相可以重复用而不明显损失催化活性。

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