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Article

Preparation and Characterization of Lignocellulosic Oil Sorbent by Hydrothermal Treatment of Populus Fiber

by
Yue Zhang
1,
Sheng Yang
1,
Jian-Quan Wu
1,
Tong-Qi Yuan
1,* and
Run-Cang Sun
1,2,*
1
Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, China
2
State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
*
Authors to whom correspondence should be addressed.
Materials 2014, 7(9), 6733-6747; https://doi.org/10.3390/ma7096733
Submission received: 17 July 2014 / Revised: 7 September 2014 / Accepted: 11 September 2014 / Published: 18 September 2014
(This article belongs to the Special Issue Advances in Cellulosic Materials 2014)
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Abstract

This study is aimed at achieving the optimum conditions of hydrothermal treatment and acetylation of Populus fiber to improve its oil sorption capacity (OSC) in an oil-water mixture. The characteristics of the hydrolyzed and acetylated fibers were comparatively investigated by FT-IR, CP-MAS 13C-NMR, SEM and TGA. The optimum conditions of the hydrothermal treatment and acetylation were obtained at170 °C for 1 h and 120 °C for 2 h, respectively. The maximum OSC of the hydrolyzed fiber (16.78 g/g) was slightly lower than that of the acetylated fiber (21.57 g/g), but they were both higher than the maximum OSC of the unmodified fiber (3.94 g/g). In addition, acetylation after hydrothermal treatment for the Populus fiber was unnecessary as the increment of the maximum OSC was only 3.53 g/g. The hydrolyzed and the acetylated Populus fibers both displayed a lumen orifice enabling a high oil entrapment. The thermal stability of the modified fibers was shown to be increased in comparison with that of the raw fiber. The hydrothermal treatment offers a new approach to prepare lignocellulosic oil sorbent.
Keywords: oil sorbent; hydrothermal treatment; Populus fiber; acetylation oil sorbent; hydrothermal treatment; Populus fiber; acetylation

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MDPI and ACS Style

Zhang, Y.; Yang, S.; Wu, J.-Q.; Yuan, T.-Q.; Sun, R.-C. Preparation and Characterization of Lignocellulosic Oil Sorbent by Hydrothermal Treatment of Populus Fiber. Materials 2014, 7, 6733-6747. https://doi.org/10.3390/ma7096733

AMA Style

Zhang Y, Yang S, Wu J-Q, Yuan T-Q, Sun R-C. Preparation and Characterization of Lignocellulosic Oil Sorbent by Hydrothermal Treatment of Populus Fiber. Materials. 2014; 7(9):6733-6747. https://doi.org/10.3390/ma7096733

Chicago/Turabian Style

Zhang, Yue, Sheng Yang, Jian-Quan Wu, Tong-Qi Yuan, and Run-Cang Sun. 2014. "Preparation and Characterization of Lignocellulosic Oil Sorbent by Hydrothermal Treatment of Populus Fiber" Materials 7, no. 9: 6733-6747. https://doi.org/10.3390/ma7096733

APA Style

Zhang, Y., Yang, S., Wu, J.-Q., Yuan, T.-Q., & Sun, R.-C. (2014). Preparation and Characterization of Lignocellulosic Oil Sorbent by Hydrothermal Treatment of Populus Fiber. Materials, 7(9), 6733-6747. https://doi.org/10.3390/ma7096733

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