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Original Article | Open Access

Preparation of Highly Crystalline Microcrystalline Cellulose by Hydrolysis of Cellulose with Phosphotungstic Acid

Jing Wang1JinBao Li1( )MeiYun Zhang1,2ShunXi Song1DanDan Qiang1
College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an, Shaanxi Province, 710021, China
State Key Laboratory of Donghua University, Donghua University, Shanghai, 200051, China
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Abstract

Phosphotungstic acid (H3PW12O40, HPW), a kind of solid acid, is widely used for hydrolyzing cellulose to prepare microcrystalline cellulose (MCC). MCC is usually used in food, synthetic leather, chemical and pharmaceutical industries. The use of response surface methodology (RSM)can help avoid the random error caused by single factor experimental design, reduce test times and cost, and improve quality. The RSM was used in this study to determine the following optimal process conditions: H+ molar quantity, 31 mmol/L; reaction temperature, 93 ℃; reaction time, 2 h; and solid to liquid ratio, 1:38. Under these conditions, the crystallinity of MCC was 77.4%. Thus, the use of RSM allows the preparation of MCC with higher performance and increased crystallinity.

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Paper and Biomaterials
Pages 26-34
Cite this article:
Wang J, Li J, Zhang M, et al. Preparation of Highly Crystalline Microcrystalline Cellulose by Hydrolysis of Cellulose with Phosphotungstic Acid. Paper and Biomaterials, 2018, 3(1): 26-34. https://doi.org/10.26599/PBM.2018.9260004

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Received: 05 June 2017
Accepted: 31 July 2017
Published: 01 January 2018
© 2018 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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