| 磺化碳固体酸催化剂的制备及其催化性能的研究 |
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| 引用本文： | 杨晓敏,万金泉.磺化碳固体酸催化剂的制备及其催化性能的研究[J].现代化工,2011,31(10):34-37. |
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| 作者姓名： | 杨晓敏 万金泉 |
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| 作者单位： | 华南理工大学环境科学与工程学院,广东,广州,510640 |
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| 基金项目： | 广东省科技计划资助项目资助(2010B010900026) |
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| 摘 要： | 以微晶纤维素(MCC)为原料制备了碳基磺酸化固体酸催化剂,用该磺化碳固体酸MCC进行糖化水解,考察其催化水解微晶纤维素的最优条件及碳化温度对催化剂催化活性的影响,并对其重复使用性及再生进行了研究。结果表明,反应温度180℃、反应时间6 h、催化剂用量0.15 g为最佳反应条件,最高糖产率为68.71%;400℃为最佳碳化温度。催化剂重复使用后,由于表面磺酸基团的脱落其活性有所下降,可以通过再磺化得到恢复。
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| 关 键 词： | 磺化碳固体酸 还原糖 微晶纤维素 水解 |
Preparation of carbon-based solid acid catalyst and its catalytic performance |
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| YANG Xiao-min,WAN Jin-quan.Preparation of carbon-based solid acid catalyst and its catalytic performance[J].Modern Chemical Industry,2011,31(10):34-37. |
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| Authors: | YANG Xiao-min WAN Jin-quan |
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| Affiliation: | YANG Xiao-min,WAN Jin-quan(School of Environmental Science and Engineering,South China University of Technology,Guangzhou 510640,China) |
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| Abstract: | A carbon-based solid acid catalyst is synthesized using microcrystalline cellulose(MCC) as the raw material,which is applied to the hydrolysis saccharification of microcrystalline cellulose(MCC).The optimum reaction conditions of the hydrolysis saccharification of MCC are studied.The effect of carbonation temperature on the catalytic activity of carbon-based solid acid catalyst is investigated.The reusability and catalyst regeneration property of carbon-based solid acid catalyst are carried out as well.The ... |
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| Keywords: | carbon-based solid acid reducing sugar microcrystalline cellulose(MCC) hydrolysis |
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