膨润土吸附材料在有机污染控制中的应用_朱利中免费下载

收稿：2008年11月 ∗国家自然科学基金项目（No．20737002�20577041）和浙江省科技计划项目（No．2006C13058）资助∗∗通讯联系人 e-mail：zlz＠zju．edu．cn膨润土吸附材料在有机污染控制中的应用∗朱利中∗∗ 陈宝梁（浙江大学环境科学系 杭州310028）摘 要 由于特殊的天然二维纳米结构�膨润土改性吸附材料在有机污染控制与修复中有广阔的应用前景。本文重点评述了膨润土吸附材料对有机污染物的吸附作用机制、构-效关系�简要总结其在有机废水、废气处理、土壤污染控制与修复等方面的应用进展�并展望了今后的重点研究方向。关键词 膨润土 吸附材料 有机污染物 污染控制中图分类号：X131；X506 文献标识码：A 文章编号：1005-281X（2009）02/3-0420-10Use of Bentonite-Based Sorbents in Organic Pollutant AbatementsZhu Lizhong∗∗ Chen Baoliang（Department of Environmental Science�Zhejiang University�Hangzhou310028�China）Abstract Bentonite is a naturally occurring material with planar nanocomposite�which is widely modified throughintercalated processes to form multifunctional sorbents．The bentonite-based sorbents are highly attracted to abate organicpollutants in environments due to environmenta-l friendly�high-efficiency and cost-effective．Recently�the progress insorption mechanisms of modified-bentonite�which are highlighted in this review�has been made to extend theirenvironmental applications．The recent applications in abating of organic pollutants are briefly summarized�includingwasterwater treatment�air pollution control�contaminated soil remediation�and preparation of clay-based environmentalcatalyst．The potential research areas are also prospected．Key words bentonite；sorptive material；organic pollutant；abatementContents1 Introduction2 Novel bentonite-based sorbents3 Sorption mechanisms of modified-bentonite4 Application of modified-betonite in organic pollutantabatements4．1 Wastewater treatment4．2 Air pollution control4．3 Contaminated soil remediation4．4 Pre...