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Absorbing Low-Concentration Mercaptan with Active Carbon Doped by Copper
Authors
刘海弟
李伟曼
陈运法
马翔
Publication date
1 January 2016
Publisher
Abstract
采用浸渍法制备了负载铜的木质活性炭样品,研究了负载量、灼烧温度对材料吸附低浓度甲硫醇的性能影响,研究发现负载量和灼烧温度均对材料性能有显著作用,其中最佳的灼烧温度为300 ℃,最佳负载量为0.7 mmol·g~(-1),采用低温氮吸附方法、X射线衍射分析(XRD)、X射线光电子能谱法(XPS)、扫描电子显微镜(SEM)和高分辨透射电镜(HRTEM)等方法对样品进行了表征和分析,从分析结果可知,材料的吸附性能和材料比表面、样品中Cu的价态及分散状况均存在一定关系。经过优化的样品对低浓度甲硫醇表现出了良好的吸附性能,其穿透时间比空白活性炭样品提高6倍以上
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Last time updated on 11/04/2021