垃圾渗滤液污染场地NO-3、PO3-4和SO2-4对微生物活性的影响

J4 ›› 2009, Vol. 39 ›› Issue (6): 1122-1126.

垃圾渗滤液污染场地NO^-₃、PO^3-₄和SO^2-₄对微生物活性的影响

董军|许超|孙艳|孙玥|孙惠森

吉林大学 |环境与资源学院|长春 130026

收稿日期:2009-03-12 出版日期:2009-11-26 发布日期:2009-11-26
作者简介:董军(1976-)|男|宁夏西吉人|副教授|主要从事水土环境污染控制与治理的研究|E-mail:dongjun@jlu.edu.cn
基金资助:
国家自然科学基金项目(40802055);高等学校博士学科点专项科研基金项目（200801831034）

Influences of NO^-₃|PO^3-₄ and SO^2-₄ on Bacterial Activity at Landfill Leachate Polluted Site

Influences of NO^-₃、PO^3-₄ and SO^2-₄ on Bacterial Activity at Landfill Leachate Polluted Site

College of Environment and Resources, Jilin University, Changchun 130026, China

Received:2009-03-12 Online:2009-11-26 Published:2009-11-26

摘要/Abstract

摘要：

通过实验研究垃圾渗滤液污染场地N、S、P和湿度等因素对微生物活性的影响。结果表明：同时添加N和P后，土壤和细砂中微生物活性分别在第7 天和第14 天达到最大值0.685和0.588，有机质质量分数分别降低了10.97％和22.1%，平均降解速率分别为0.405和0.190 mg/(kg·d)；添加NO^-₃后，土壤和细砂中有机质质量分数分别减少了10.3%和28.9%；添加SO^2-₄后，土壤和细砂中有机质质量分数分别减少了8.87%和28.4%；另外，湿度为50％和60％时，土壤中微生物活性的最大值分别为0.259和0.266，有机质平均分解速率分别为0.195和0.305 mg/(kg·d)。因此，N、S、P和湿度对地下环境中微生物的活性有重要影响。

关键词: 垃圾渗滤液, 微生物活性, 污染场地, 电子受体, 营养

Abstract:

Experiments were conducted to investigate influences of N, S, P and humidity on microbial activity in landfill leachate polluted site. The results indicated that maximum microbial activity in soil and fine sand was up to 0.685 and 0.588 in the 7th day and the 14th day while N and P added, respectively; organic substrate decreased 10.97% and 22.1%, and its average degradation rate was 0.405 and 0.190 mg/(kg·d), respectively. Organic substrate decreased 10.3% and 28.9% for NO^-₃ addition and 8.87% and 28.4% for SO^2-₄ addition in soil and fine sand, respectively. In addition, the maximum microbial activity was 0.259 and 0.266 in soil which humidity was 50% and 60%, respectively, and the average degradation rate of organic substrate was 0.195 and 0.305 mg/(kg·d), respectively. Therefore, N, S, P and humidity had significant effects on subsurface microbial activity.

Key words: landfill leachate, microbial activity, pollution site, electron acceptors, nutrients

中图分类号:

X703

董军, 许超, 孙艳, 孙玥, 孙惠森. 垃圾渗滤液污染场地NO^-₃、PO^3-₄和SO^2-₄对微生物活性的影响[J]. J4, 2009, 39(6): 1122-1126.

DONG Jun, XU Chao, SUN Yan, SUN Yue, SUN Hui-sen. Influences of NO^-₃|PO^3-₄ and SO^2-₄ on Bacterial Activity at Landfill Leachate Polluted Site[J]. J4, 2009, 39(6): 1122-1126.

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垃圾渗滤液污染场地NO^-₃、PO^3-₄和SO^2-₄对微生物活性的影响

Influences of NO^-₃|PO^3-₄ and SO^2-₄ on Bacterial Activity at Landfill Leachate Polluted Site

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