落叶是一种废弃物质,深秋时节不仅会增加环卫工人的工作负担,而且会产生大量垃圾。评述了近年落叶作为吸附材料去除废水中金属元素和有色染料等的研究进展,从落叶吸附剂的应用效果、吸附热力学、吸附动力学、吸附光谱等几个方面进行了评述。落叶可以直接制成粉末,也可以将其进行改性,还可以利用其作为原始材料制备活性炭等吸附材料使用,研究其吸附性能。指出了落叶作为吸附材料应用时存在的问题,对未来的研究方向进行了展望。
Falling leaves will not only increase the working burden of sanitation workers,but also generate a lot of rubbish in the autumn,they are waste material.The application of falling leaves as the adsorption material to remove the heavy metals and coloring dye from the wastewater was reviewed.Adsorption effect,adsorption thermodynamics,adsorption dynamics and adsorption spectrum were studied.The leaves can be used directly and they can also be used after the modification as adsorption material.The leaves can be used as a raw material to prepare the other adsorption material like activated carbon.The current problems were pointed out,and prospected the future research direction.
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基金资助
国家自然科学基金(51508026)
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