全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

AS技术修复MTBE污染地下水的传质研究

Keywords: 地下水曝气,MTBE,地下水,修复

Full-Text   Cite this paper   Add to My Lib

Abstract:

建立一维土柱模拟装置,研究AS技术去除甲基叔丁基醚(MTBE)的传质。考虑了介质渗透率及曝气机制的影响,结果显示:不同粒径的土壤导致多孔介质的渗透率不同,多孔介质的渗透率越大,形成的空气孔道越密,MTBE的去除效率越高,在渗透率低的土壤中有严重的拖尾现象。对于粗砂而言,脉冲曝气和连续曝气相比,其曝气效果并没有明显改善,二者的去除效果基本一致,但是在细砂中,脉冲曝气比连续曝气效果要好,通过改变曝气机制可以改善拖尾现象。

References

[1]  张英.[D].天津:天津大学,2004.
[2]  Semer R, Reddy K R. Mechanisms controlling toluene removal from saturated soils during in situ air sparging[J]. Journal of Hazardous Materials, 1998, 57:209 - 230.
[3]  Cristin L. Bruce. Pergormance expectations for in situ air spargingsystems [submitted for degree of doctor] Arizona state university, 2001.
[4]  US Environmental Protection Agency (EPA) (1997). Drinking water advisory: consumer acceptability advice and health effects analysis on Methyl Tertiary - Butyl Ether (MTBE). December, EPA - 822 - F -97 - 009, ODW 4304, Health and Ecological Criteria Division, Office of Science and Technology Office of Water US EPA. Available at:http://www.epa.gov/oust/mtbe/index.htm.
[5]  Marcia Morales, Elia Velazquez, Janet Jan, Sergio Revah, Uriel Gonzalez, Elias Razo - Flores. Methyl tert - butyl ether biodegradation by microbial consortia obtained from soil samples of gasoline - polluted sites in Mexico[J]. Biotechnology Letters, 2004 26:269 - 275.
[6]  Squillace P J, Pankow J F, Korte N E and Zogorski J S. Environmental behavior and fate of methyl teriary - butyl ether[J]. Water Online Newsletter by Ian Lisk, 1998, 2 ( 11 ): 2, Thursday.
[7]  郑艳梅 王战强.地下水曝气法处理饱和土壤和地下水中的甲基叔丁基醚(MTBE)[J].农业环境科学学报,2004,23(6):1200-1202.
[8]  Reddy K R, Adams J A. Effect of soil heterogeneity on airflow patterns and hydrocarbon removal during in situ air sparging[J]. Journal of Geotechnical and Geoenvironmental Engineering, 2001, March: 234 - 247.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133