准好氧填埋渗滤液水质变化特性研究

应用生态学报 ›› 2005, Vol. 16 ›› Issue (11): 2168-2172.

准好氧填埋渗滤液水质变化特性研究

杨玉飞^1,2, 黄启飞¹, 王琪¹, 刘玉强¹, 董路¹

1. 中国环境科学研究院, 北京 100012;
2. 西南农业大学资源环境学院, 重庆 400716

收稿日期:2004-10-02 修回日期:2005-04-11 出版日期:2005-11-15 发布日期:2005-11-15
通讯作者: 王琪
基金资助:
国家"863"计划资助项目(2001AA644010).

Variation characteristics of leachate quality in a semi-aerobic municipal solid waste landfill

YANG Yufei^1,2, HUANG Qifei¹, WANG Qi¹, LIU Yuqiang¹, DONG Lu ¹

1. Chinese Research Academy of Environmental Sciences, Beijing 100012, China;
2. Southwest Agricultural University, Chongqing 400716, China

Received:2004-10-02 Revised:2005-04-11 Online:2005-11-15 Published:2005-11-15

摘要/Abstract

摘要： 在大型模拟填埋试验装置(21 m×3.8 m×6.0 m)上,研究了准好氧填埋渗滤液水质的主要指标COD_Cr、BOD、NH₃⁺-N和pH的变化特性.结果表明,准好氧填埋结构下渗滤液COD_Cr、BOD浓度下降很快,没有出现在传统填埋场累积的现象,并且封场后39周分别降为173和30 mg·L^-1;NH₃⁺-N浓度下降更为显著,第39周降为1 mg·L^-1,下降率达到99.6%,为渗滤液后续处理解决了NH₃⁺-N浓度过高的难题;pH值在前2周略低于7,第3周后一直呈弱碱性.根据实验数据,拟合了准好氧填埋结构渗滤液污染物的衰减方程.

关键词: 准好氧, 城市固体废物, 填埋, 渗滤液

Abstract: A large-scale semi-aerobic landfill set(21 m?3.8 m?6.0 m) was constructed to study the variation characteristics of pollutants in the landfill leachate.The results showed that after 39 weeks,the concentrations of COD_Cr,BOD₅ and NH⁺₃-N in the leachate declined rapidly,which reached 173,30 and 15 mg稬^-1 respectively,and the reducing rate of NH⁺₃-N was 99.6%.The pH value was below 7 during the first 2 weeks,but became weak alkaline after three weeks.Based on the experimental data,the attenuation equations of pollutants in the leachate were built.

Key words: Semi-aerobic, Municipal solid waste, Landfill, Leachate

中图分类号:

杨玉飞, 黄启飞, 王琪, 刘玉强, 董路. 准好氧填埋渗滤液水质变化特性研究[J]. 应用生态学报, 2005, 16(11): 2168-2172.

YANG Yufei, HUANG Qifei, WANG Qi, LIU Yuqiang, DONG Lu . Variation characteristics of leachate quality in a semi-aerobic municipal solid waste landfill[J]. Chinese Journal of Applied Ecology, 2005, 16(11): 2168-2172.

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