|本期目录/Table of Contents|

[1]刘晓娜,程莉蓉.地下水曝气技术(AS)的国内外研究进展[J].中国安全生产科学技术,2011,7(5):56-62.
 LIU Xiao-na,CHENG Li-rong.Development of air sparging?at home and abroad[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2011,7(5):56-62.
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地下水曝气技术(AS)的国内外研究进展()
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
7
期数:
2011年5期
页码:
56-62
栏目:
学术论著
出版日期:
2011-05-30

文章信息/Info

Title:
Development of air sparging?at home and abroad
文章编号:
1673-193X(2011)-05-0056-07
作者:
刘晓娜程莉蓉
北京师范大学水科学研究院,北京? 100875
Author(s):
LIU Xiao-na CHENG Li-rong
College of Water Science, Beijing Normal University, Beijing 100875, China
关键词:
地下水曝气理论模型流型影响半径应用
Keywords:
air sparging theoretical model flow pattern radius of influence application
分类号:
X52
DOI:
-
文献标志码:
A
摘要:
地下水曝气法(Air Sparging,AS)凭借其高效、原位的优势已经成为治理土壤、地下水有机污染的重要技术,其修复机理是将加压空气注入到饱和含水层以下,有机污染物通过相间传质作用(溶解、挥发、解吸、生物降解等)转化为挥发性污染物,并随气流迁移至包气带,再由其他抽气装置收集到地表气体处理设备。本文总结了AS技术在理论模型、曝气性能影响因素(气体流型、曝气影响半径)等方面的研究现状,归纳了气体流型的发展过程以及测量曝气影响半径的常见方法。地下水曝气法在国外地下水、土壤有机污染修复中的应用越来越广泛,理论研究方面也比较成熟。文章比较了AS技术在国内外的研究和应用情况,认为目前该技术应朝着综合的方向发展,以提高污染物修复效率。
Abstract:
Air sparging(AS) was an innovative groundwater remediation technology which was first used in Germany in the middle 1980s to remove volatile organic compounds(VOC).Because of its properties of in-situ, efficiency, economy, AS has become an important technology to remediate organic pollution. Air is injected into the saturated zone below or near a contaminant plume. As the air rises to the surface, dissolved- and nonaquous-phase organic chemicals volatilize into the air and are removed from the groundwater. Combined with SVE(Soil Vapor Extraction), efficiency of AS will be much better. This passage concluded the development of AS in theoretical model, factors that effects air sparging efficiency, for example, flow pattern, radius of influence. Also, there is a comparison between home and abroad of AS’s study and application. AS has become a mature technology which have developed for many years. It was widely studied not only at theory, but also at application. In China AS technology is just on start-up periods. And there is much large space to explore. There also exist some problems that should be looked into. Volatility and bioremediation control the pollutant remediation, and which functions more important in different phase of air sparging is a tough question.

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备注/Memo

备注/Memo:
收稿日期:2011-01-28
作者简介:刘晓娜,女,硕士研究生。
更新日期/Last Update: