碳系材料对水中三氯生和萘普生的吸附性能

发布时间：2018-03-13 20:04

本文选题：三氯生　切入点：萘普生　出处：《中南大学学报(自然科学版)》2016年04期 　论文类型：期刊论文

【摘要】：通过序批试验研究3种碳系材料对三氯生和萘普生的吸附性能,同时考察p H和离子强度对吸附效果的影响。研究结果表明:3种碳系材料的吸附能力从大至小的活性炭纤维、颗粒活性炭、多壁碳纳米管。拟二级动力学模型更适合描述3种碳基材料对三氯生和萘普生的吸附过程。Langmuir模型能够更准确地拟合三氯生和萘普生在3种碳系材料表面的吸附。3种碳系材料的吸附性能随着p H升高而降低。由于静电作用和盐析效应,活性炭纤维和颗粒活性炭的吸附量随着离子强度的增强而增大;而团聚作用则使多壁碳纳米管对三氯生的吸附量降低。
[Abstract]:The adsorption properties of triclosan and naproxen were studied by sequencing batch test, and the effects of pH and ionic strength on adsorption were also investigated. The results showed that the adsorption capacity of the three carbon-series materials ranged from large to small. Granular activated carbon, Multi-walled carbon nanotubes. Pseudo-second-order kinetic model is more suitable to describe the adsorption process of triclosan and naproxen on three carbon-based materials. The Langmuir model can more accurately fit the adsorption of trichlorogenic and naproxen on the surface of three carbon-based materials. The adsorption properties of carbon series materials decrease with the increase of pH. The adsorption capacity of activated carbon fiber and granular activated carbon increased with the increase of ionic strength, while the adsorption capacity of trichlorinated carbon nanotubes decreased by agglomeration.
【作者单位】：浙江工业大学建筑工程学院;浙江大学建筑工程学院;江西理工大学建筑与测绘工程学院;
【基金】：国家科技重大专项(2012ZX07403-001) 国家自然科学基金资助项目(51208468,51508509) 浙江省自然科学基金资助项目(LY15E080019) 中国博士后科学基金资助项目(2015M581936)~~
【分类号】：X703;O647.3

【相似文献】