Tianjin Biomass Solid Waste Reclamation Technology and Engineering Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
Tianjin Biomass Solid Waste Reclamation Technology and Engineering Center, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
Bioresour Technol. 2014 Dec;173:462-466. doi: 10.1016/j.biortech.2014.09.148. Epub 2014 Oct 7.
A carbonaceous solid acid was prepared by hydrothermal carbonization of corn stalk followed by sulfonation and was characterized by FT-IR, XRD, SEM and elemental analysis techniques. The as-prepared corn stalk-derived carbonaceous solid acid catalyst contained SO3H, COOH, and phenolic OH groups, and was used for the one-step conversion of intact corn stalk to 5-hydroxymethylfurfural (5-HMF) in the ionic liquid 1-butyl-3-methyl imidazolium chloride ([BMIM][Cl]), where a 5-HMF yield of 44.1% was achieved at 150 °C in 30 min reaction time. The catalytic system was applicable to initial corn stalk concentration of up to ca. 10 wt.% for the production of 5-HMF. The synthesized catalyst and the developed process of using corn stalk-derived carbon catalyst for corn stalk conversion provide a green and efficient strategy for crude biomass utilization.
一种炭质固体酸是通过玉米秸秆的水热碳化，然后磺化制备的，并用 FT-IR、XRD、SEM 和元素分析技术进行了表征。所制备的玉米秸秆衍生炭质固体酸催化剂含有 SO3H、COOH 和酚 OH 基团，用于在离子液体 1-丁基-3-甲基咪唑氯化物 ([BMIM][Cl]) 中将完整的玉米秸秆一步转化为 5-羟甲基糠醛 (5-HMF)，在 150°C 下 30 分钟的反应时间内，5-HMF 的收率达到 44.1%。该催化体系适用于初始玉米秸秆浓度高达约 10wt.%的 5-HMF 的生产。合成的催化剂和使用玉米秸秆衍生碳催化剂转化玉米秸秆的开发工艺为粗生物质的利用提供了一种绿色高效的策略。
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