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Original Article | Open Access

Liquefaction of Rice Straw with Ethylene Carbonate

MeiYan Wu1,2Zhu Long1,2( )JinXing Lin1,3Bin Wang2
Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi, Jiangsu Pro-vince, 214122, China
State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guang-zhou, Guangdong Province, 510640, China
Laboratory of Papermaking, School of Textiles & Clothing, Jiangnan University, Wuxi, Jiangsu Province, 214122, China
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Abstract

In this study, rice straw (RS) was liquefied by ethylene carbonate (EC) using H2SO4 as a catalyst. The effects of various process conditions on the liquefaction characteristics were investigated by FT-IR and residue content analysis. The results show that cellulose and lignin are degraded during the liquefaction process and large amounts of groups are generated. In addition, it is difficult to effectively liquefy RS by using EC alone as the liquefying agent without other additives. Compared to water addition on liquefaction, the residue content can be significantly reduced up to 30% by adding H2O2. It has also been proved that the liquor ratio (RS/EC, w/v) of 1∶5 with H2O2 as an additive at 145℃ for liquefaction time of 60 min in the presence of H2SO4 can accelerate the liquefaction process and high liquefaction yield can be obtained.

Paper and Biomaterials
Pages 23-26
Cite this article:
Wu M, Long Z, Lin J, et al. Liquefaction of Rice Straw with Ethylene Carbonate. Paper and Biomaterials, 2016, 1(2): 23-26. https://doi.org/10.26599/PBM.2016.9260012

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Received: 28 March 2016
Accepted: 24 June 2016
Published: 25 October 2016
© 2016 Published by Paper and Biomaterials Editorial Board

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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