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首页> 外文期刊>Journal of Applied Polymer Science >Chemical modifications of lignocellulosic materials and their application for removal of cations and anions from aqueous solutions
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Chemical modifications of lignocellulosic materials and their application for removal of cations and anions from aqueous solutions

机译：木质纤维素材料的化学改性及其在去除水溶液中阳离子和阴离子中的应用

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This review discussed the last 10 years progress in the use of lignocellulosic materials chemically modified as low-cost biosorbents. Thus, the chemical modifications, such as chemical pretreatment, oxidation, as well as the grafting of carboxyl groups, amines, amides, etc., on lignocellulosic fibers, that aim to increase the number of adsorption sites and maximize toxic metal ion adsorption capacity have been addressed. The literature presents results that indicated performances of biosorbents equal to or even higher than conventional methods and adsorbents. Many efforts have been concentrated on the improvements of these biosorbents through chemical modifications. However, some difficulties still exist, including the discharge of colored organic compounds resulting from the pretreatments and the development of fast, clean, and low-cost synthesis of selective and multifunctional adsorbents. Thus, the challenge for future research is to find solutions to these difficulties in order to finally make lignocellulosics biosorbents that can replace conventional adsorbent materials. (c) 2015 Wiley Periodicals, Inc.
机译：这篇综述讨论了最近十年来化学改性木质纤维素材料作为低成本生物吸附剂的使用进展。因此，在木质纤维素纤维上进行化学修饰，例如化学预处理，氧化以及接枝羧基，胺基，酰胺等，目的是增加吸附位点的数量并最大化有毒金属离子的吸附能力。已解决。文献提供的结果表明生物吸附剂的性能等于或什至高于常规方法和吸附剂。许多努力集中在通过化学修饰改进这些生物吸附剂上。然而，仍然存在一些困难，包括由于预处理导致的有色有机物的排放以及选择性，多功能吸附剂的快速，清洁和低成本合成的发展。因此，未来研究的挑战是找到解决这些难题的方法，以便最终制造出可以替代常规吸附材料的木质纤维素生物吸附剂。 （c）2015年威利期刊有限公司

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