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脱氮沟对农业面源污染中地下水硝酸盐的去除效果

Keywords: 脱氮墙,可利用碳,微生物碳量,硝酸盐

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Abstract:

脱氮沟是去除地下水硝酸盐的一种有效方法。通过对不同外加基质(松木屑与香菇袋料)与土壤混合前后可利用碳和微生物量碳等参数的变化以及水样硝酸盐氮、氨氮、几种多环芳烃(茚、萘、联苯、芴、菲)的分析,对构建在湖北省十堰市张湾区石桥村蔬菜基地上的脱氮沟去除农业面源污染中的地下水硝酸盐效果进行了研究。结果发现,两种填料对微生物生长的影响差别不是很大。数据表明,供试脱氮沟发生了一定程度的短流,在此情况下,对于不同宽度的脱氮墙,松木屑填料比香菇袋料平均处理效果好;松木屑1.5m宽度的处理和香菇袋料1m宽度处理效果较好,地下水中的硝酸盐得到有效去除,出水的氨氮和多环芳烃没有显著增加。

References

[1]  易秀.氮肥的渗漏污染研究[J].农业环境保护,:.
[2]  沈梦蔚.[D].浙江大学,2004,21-22.
[3]  Schipper L A, Vojvodic-Vukovic M. Nitrate removal from groundwater and denitrification rates in a porous treatment wall amended with sawdust[J]. Ecological Engineering, 2000, 14(3) :269 -278.
[4]  Fahmer S. Groundwater Nitrate Removal Using a Bioremediation Trench (D). Honours Thesis, Department of Environmental Engineering, University of Western Australia, 2002.
[5]  戢正华 闫仁凯 李涛 等.南水北调中线十堰水源区农业面源污染现状调查与防治对策[J].华中农业大学学报,2006,25(增刊):109-112.
[6]  张锡辉.水环境修复工程学原理与应用[M].北京:化学工业出版社,2001.
[7]  Schipper L A, Barkle G F, Vojvodic-Vukovic M, et al. Hydraulic constraints on the performance of a groundwater denitrification wall for nitrate removal from shallow groundwater[J]. Journal of Contaminant Hydrology, 2004, 69 : 263-279.
[8]  Soares M I, Braester C, Belkin S, et al. Denitrification in laboratory sand columns:carbon regime, gas accumulation and hydraulic properties[J]. Water Res, 1991, 25 : 325-332.
[9]  王国惠.环境工程微生物学[M].北京:化学出版社,2005.246-248.
[10]  吴耀国.地下水环境中反硝化作用[J].环境污染治理技术与设备,:.
[11]  Schipper L A, Barkle G F, Vojvodic-Vukovic M. Maximum rate of nitrate removal in a denitrification wall[J]. Journal of Environmental Quality, 2005, 34:1270-1276.
[12]  姚兆英 陈忠明 赵广英 等.环境化学教程[M].北京:化学工业出版社,2002.234-235.
[13]  Vande Graaf A A, De Bruijn P, Robertson L A, et al. Metabolic pathway of anaerobic ammonium oxidation on the basis of 15N studies in a fluidized reactor[J]. Microbiol, 1997, 143(7 ) : 2415-2421.
[14]  Schipper L A, Vojvodic-Vukovic M. Five years of nitrate removal, denitrification and carbon dynamics in a denitrification wall[J]. Water Research, 2001, 35 (14) :3473-3477.
[15]  Gregory F Barkle, Louis A Schipper, Craig P, et al. In situ mixing of organic matter decreases hydraulic conductivity of denitrification walls in sand aquifers[J]. Ground Water Monitoring and Remediation, 2008, 28(1):57-64.
[16]  Robertson W D, Ptacek C J, Brown S J. Geochemical and hydrogeological impacts of a wood particle barrier treating nitrate and perchlorate in ground water[J]. Ground Water Monitoring and Remediation, 2007, 27 (2):85-95.

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