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首页> 外文期刊>The Journal of the Textile Institute >Oil sorption behavior of acetylated nettle fiber
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Oil sorption behavior of acetylated nettle fiber

机译：乙酰化荨麻纤维的吸油性能

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摘要

In this work, acetylation of raw nettle fibers was performed to improve the oil sorption capacity. Raw nettle fibers were acetylated with acetic anhydride using N-Bromosuccinimide (NBS) as a catalyst. Box-Behnken experimental design was used to study the effect of some selected parameters such as reaction time, reaction temperature and catalyst concentration (%) on weight percent gain (WPG) and oil sorption behavior. Highest WPG and oil sorption were achieved at 90 min reaction time, 120 degrees C and 2% catalyst. The oil sorption of acetylated nettle was 23.21 g/g and 18.75 g/g against diesel engine oil and crude oil, respectively. Nettle fibers were also characterized by Fourier transform infrared spectroscopy, thermal gravimetric analysis and Scanning electron microscopy. Oil sorption capacity of acetylated nettle were higher than that of commercial polypropylene sorbent. Hence, these acetylated nettle fibers can be used in the place of synthetic sorbents for oil spill cleanup applications.
机译：在这项工作中，对荨麻原纤维进行了乙酰化处理，以提高其吸油能力。使用N-溴代琥珀酰亚胺（NBS）作为催化剂，用乙酸酐将未加工的荨麻纤维乙酰化。使用Box-Behnken实验设计来研究某些选定参数的影响，例如反应时间，反应温度和催化剂浓度（％）对增重百分比（WPG）和油吸附行为的影响。在90分钟的反应时间，120摄氏度和2％的催化剂下，WPG和吸油率最高。乙酰化荨麻对柴油机油和原油的吸油量分别为23.21 g / g和18.75 g / g。荨麻纤维还通过傅里叶变换红外光谱，热重分析和扫描电子显微镜进行了表征。乙酰化荨麻的吸油量高于商业聚丙烯吸附剂。因此，这些乙酰化荨麻纤维可以代替合成吸附剂用于溢油清理应用。

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