Air Oxidation of Activated Carbon to Synthesize a Biomimetic Catalyst for Hydrolysis of Cellulose.
作者： Abhijit Shrotri , Hirokazu Kobayashi , Atsushi Fukuoka
关键词: Organic chemistry 、 Carbon 、 Hydrolysis 、 Cellulose 、 Lignocellulosic biomass 、 Catalysis 、 Xylose 、 Chemistry 、 Activated carbon 、 Carboxylic acid
摘要: Oxygenated carbon catalyzes the hydrolysis of cellulose present in lignocellulosic biomass by utilizing weakly acidic functional groups on its surface. Here we report synthesis a biomimetic catalyst simple and economical air-oxidation commercially available activated carbon. Air- oxidation at 450-500 °C introduced 2000-2400 μmol g(-1) oxygenated material with minor changes textural properties. Selectivity towards formation carboxylic surface increased increase temperature. The degree was found to be proportional activity for cellulose. eucalyptus presence oxidized 475 °C afforded glucose yield 77 % xylose 67 %.
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