基于聚苯胺的吸附剂去除水溶液中的六价铬：小型综述。
Polyaniline-based adsorbents for removal of hexavalent chromium from aqueous solution: a mini review.
机构信息
College of Environmental Science and Engineering, Hunan University, Changsha, Hunan, 410082, China.
Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, Hunan, 410082, China.
出版信息
Environ Sci Pollut Res Int. 2018 Mar;25(7):6158-6174. doi: 10.1007/s11356-017-1188-3. Epub 2018 Jan 6.
Hexavalent chromium (Cr(VI)) is a common hazardous contaminant in the environment and carcinogenic or mutagenic to aquatic animals and human beings. Therefore, the removal and detoxification of Cr(VI) have been attracting increasing attention of researchers. Among various conducting polymers, polyaniline (PANI)-based adsorbents have shown an excellent performance on the removal of Cr(VI) because of their redox properties, eased synthesis, and favorable biocompatibility. In this review, the characteristics of various PANI-based adsorbents were described, including PANI-modified nanofiber mats and membranes, PANI/bio-adsorbents, PANI/magnetic adsorbents, PANI/carbon adsorbents, PANI-modified clay composites, and PANI-inorganic hybrid composites. The mechanisms for the detoxification and adsorption of Cr(VI) were also discussed. The results indicated the potential applications of PANI-based adsorbents for the removal of Cr(VI). Graphical abstract ᅟ.
六价铬（Cr(VI)）是环境中常见的有害污染物，对水生动物和人类具有致癌或致突变性。因此，Cr(VI)的去除和解毒引起了研究人员越来越多的关注。在各种导电聚合物中，基于聚苯胺（PANI）的吸附剂因其氧化还原特性、易于合成和良好的生物相容性，在去除 Cr(VI)方面表现出优异的性能。在这篇综述中，描述了各种基于 PANI 的吸附剂的特点，包括 PANI 修饰的纳米纤维垫和膜、PANI/生物吸附剂、PANI/磁性吸附剂、PANI/碳吸附剂、PANI 改性粘土复合材料和 PANI-无机杂化复合材料。还讨论了 Cr(VI)解毒和吸附的机制。结果表明，基于 PANI 的吸附剂在去除 Cr(VI)方面具有潜在的应用。
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