化工新型材料

化工新型材料 ›› 2020, Vol. 48 ›› Issue (2) : 276-279.

开发与应用

钛酸盐纳米线降低卷烟烟气中的重金属研究

作者信息 +

Research on reduction of heavy metal in cigarette smoke by using titanate nanowire

Liu Wen, Liu Xiucai, Lin Yan, Huang Huafa, Chen Xin, Chen Hexiang, Yu Yumei, Xu Jianrong, Zhang Guoqiang, Huang Chaozhang, Deng Qixin

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文章历史 +

Received		Published
2018-09-28		2020-02-20
Issue Date	Revised Date
2020-03-02	2018-09-28

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摘要

通过简单的水热反应法,制备了一种可同时降低主流烟气中重金属的钛酸盐纳米线。采用X射线粉末衍射分析 (XRD)、扫描电子显微镜 (SEM)、透射电子显微镜 (TEM)和物理吸附仪等手段对合成纳米线的结构进行表征。结果表明:钛酸盐纳米线对有害成分的吸附降解机理表现为物理吸附和化学吸附的共同作用;在卷烟滤嘴中添加钛酸盐纳米线后,主流烟气中铬 (Cr)、镍 (Ni)、砷 (As)、镉 (Cd)和铅 (Pb)的释放量分别降低了30.8%、29.3%、60.4%、53.0%和37.4%。

Abstract

Titanate nanowires were successfully synthesized by a simple hydrothermal process and then used as addtivies for removing heavy metal in mainstream cigarette smoke.The synthesized titanate nanowires were characterized by XRD,SEM,TEM and BET measurements.Based on the experimental results,the chemical absorption played a key role for removing heavy metal that would be captured owing to the network structure of nanowires.After titanate nanowires were introduced into cigarette filter,the reduction ratio of Cr,Ni,As,Cd,Pb were 30.8%,29.3%,60.4%,53.0% and 37.4%,respectively.

关键词

卷烟烟气 / 重金属 / 纳米线 / 钛酸盐

Key words

cigarette smoke / heavy metal / nanowire / titanate

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钛酸盐纳米线降低卷烟烟气中的重金属研究[J]. 化工新型材料, 2020, 48(2): 276-279 DOI:

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