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化工新型材料  2018, Vol. 46 Issue (10): 139-142    
  新材料与新技术 本期目录 | 过刊浏览 | 高级检索 |
多壁碳纳米管/纳米四氧化三铁-聚乙烯醇微球的 制备及其吸附性能研究
杨梖,冯彦房,薛利红,何世颖,杨林章*
江苏省农业科学院农业资源与环境研究所, 农业农村部长江下游平原农业环境重点实验室,南京210014
Preparation and adsorption performance of MWCNTs/Fe3O4-PVA microsphere
Yang Bei, Feng Yanfang , Xue Lihong, He Shiying , Yang Linzhang
Institute of Resources and Environment,Key Laboratory of Agro-Environment in Downstream of Yangtze Plain,Ministry of Agriculture and Rural,Jiangsu Academy of Agriculture Sciences, Nanjing 210014
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摘要 为去除水体中不同类型污染物,制备了一种多功能的多壁碳纳米管(MWCNTs)/纳米四氧化三铁(Fe3O4)-聚乙烯醇(PVA)微球(MWCNTs/Fe3O4-PVA)微球,并对MWCNTs/Fe3O4-PVA微球进行了表征,探索MWCNTs/Fe3O4-PVA微球对铜离子(Cu2+)和磺胺嘧啶(SM)的吸附性能。研究结果表明:制得的MWCNTs/Fe3O4-PVA微球饱和磁通量为16.18eum/g;在初始温度为25℃,MWCNTs/Fe3O4-PVA微球用量为1g/L条件下,Cu2+溶液初始pH=10,吸附平衡时间为4h,MWCNTs/Fe3O4-PVA微球对Cu2+的吸附率最高达到96.5%,平衡吸附量达到76mg/g;SM溶液初始pH=4,吸附平衡时间为2h,MWCNTs/Fe3O4-PVA微球对SM的吸附率最高达到65.9%,平衡吸附量达到43mg/g。制得的MWCNTs/Fe3O4-PVA微球对Cu2+和SM具有较好的吸附性能。
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杨梖
冯彦房
薛利红
何世颖
杨林章
关键词:  多壁碳纳米管  聚乙烯醇  磁性  制备  吸附    
Abstract: Multi-walled carbon nanotubes (MWCNTs) and Fe3O4 nanoparticles-polyvinyl alcohol (Fe3O4-PVA) microspheres were composited to adsorb different kinds of water pollutants.MWCNTs/Fe3O4-PVA were developed via three steps:1.Fe3O4-PVA microspheres prepared by the inverse suspension cross-linked reaction were animated;2.MWCNTs were carboxylated;3.through the esterification reaction,MWCNTs and Fe3O4-PVA microspheres were composited.The morphology,composition and magnetism of MWCNTs/Fe3O4-PVA were characterized by FT-IR,XPS and VSM.The application of adsorption properties on copper ions and sulfadiazine in water were investigated.The results showed that MWCNTs/Fe3O4-PVA with saturation magnetization intensity of 16.18emu/g were prepared successfully.The adsorption balance time for copper ions and sulfadiazine was 4h and 2h (T=25℃,the dosage was 1g/L) respectivelly.For copper ions,the maximal adsorption rate was 96.5% (pH=10) and the adsorption capacity was 76mg/g(pH=10).While for sulfadiazine,the maximal adsorption rate was 65.9% (pH=4) and the adsorption capacity was 43mg/g (pH=4).
Key words:  MWCNTs    PVA    magnetism    preparation    adsorption
                    发布日期:  2018-11-06      期的出版日期:  2018-11-06
基金资助: 公益性行业(农业)科研专项(201503106);江苏省农业科技自主创新基金(CX(15)1004)
通讯作者:  杨林章(1957-),男,博士,研究员,主要从事农业面源污染物去除。   
作者简介:  杨梖(1992-),女,硕士,研究实习员,主要研究方向为环境吸附材料。
引用本文:    
杨梖,冯彦房,薛利红,何世颖,杨林章. 多壁碳纳米管/纳米四氧化三铁-聚乙烯醇微球的 制备及其吸附性能研究[J]. 化工新型材料, 2018, 46(10): 139-142.
Yang Bei,Feng Yanfang,Xue Lihong,He Shiying,Yang Linzhang. Preparation and adsorption performance of MWCNTs/Fe3O4-PVA microsphere. New Chemical Materials, 2018, 46(10): 139-142.
链接本文:  
http://www.hgxx.org/CN/  或          http://www.hgxx.org/CN/Y2018/V46/I10/139
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