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title: Hydrolysis of Selected Tropical Plant Wastes Catalyzed by a Magnetic Carbonaceous Acid with Microwave
author: Su, TC (Su, Tong-Chao);  Fang, Z (Fang, Zhen);  Zhang, F (Zhang, Fan);  Luo, J (Luo, Jia);  Li, XK (Li, Xing-Kang)
Issued Date: 2015
Abstract: In this study, magnetic carbonaceous acids were synthesized by pyrolysis of the homogeneous mixtures of glucose and magnetic Fe3O4 nanoparticles, and subsequent sulfonation. The synthesis conditions were optimized to obtain a catalyst with both high acid density (0.75 mmol g(-1)) and strong magnetism [magnetic saturation, Ms = 19.5 Am-2 kg(-1)]. The screened catalyst (C-SO3H/Fe3O4) was used to hydrolyze ball-milled cellulose in a microwave reactor with total reducing sugar (TRS) yield of 25.3% under the best conditions at 190 degrees C for 3.5 h. It was cycled for at least seven times with high catalyst recovery rate (92.8%), acid density (0.63 mmol g(-1)) and magnetism (Ms = 12.9 Am-2 kg(-1)), as well as high TRS yield (20.1%) from the hydrolysis of ball-milled cellulose. The catalyst was further successfully tested for the hydrolysis of tropical biomass with high TRS and glucose yields of 79.8% and 58.3% for bagasse, 47.2% and 35.6% for Jatropha hulls, as well as 54.4% and 35.8% for Plukenetia hulls.
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Recommended Citation:
Su, TC ,Fang, Z ,Zhang, F ,et al. Hydrolysis Of Selected Tropical Plant Wastes Catalyzed By A Magnetic Carbonaceous Acid With Microwave[J]. Scientific Reports,2015,5(17538).

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