Dynamic Changes of Heavy Metals,Nitrogen,Phosphorus and pH in the Sludge Mixed

LI Xiao-long; YANG Hai-long; LI Wen-zhong; HE Cun-li

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Dynamic Changes of Heavy Metals,Nitrogen,Phosphorus and pH in the Sludge Mixed

更新时间：2024-11-07

- Dynamic Changes of Heavy Metals,Nitrogen,Phosphorus and pH in the Sludge Mixed
- Vol. 25, Issue 6, (2011)
- 作者机构：
  
  1. 北京林业大学水土保持学院
  2. 北京市水利科学研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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LI Xiao-long, YANG Hai-long, LI Wen-zhong, et al. Dynamic Changes of Heavy Metals,Nitrogen,Phosphorus and pH in the Sludge Mixed[J]. 2011, 25(6).
DOI：

LI Xiao-long, YANG Hai-long, LI Wen-zhong, et al. Dynamic Changes of Heavy Metals,Nitrogen,Phosphorus and pH in the Sludge Mixed[J]. 2011, 25(6). DOI：

摘要

以北京市大兴区庞各庄镇污水处理厂的堆肥污泥、生污泥和通州区的熟土为对象

探讨污泥混配土淋溶液中相关指标的动态变化。结果表明

生污泥、堆肥污泥和熟土混配后可降低土壤pH值

增加土壤全氮、全磷含量

同时也增加了土壤中重金属As、Cd、Ni、Cu、Pb的含量

生污泥系列淋滤液中Pb对地下水造成污染的可能性最大;堆肥污泥系列淋滤液中给地下水带来污染可能性最大的因子是As。但各处理中重金属的污染程度都很低

基本符合国家第Ⅱ类地下水水质标准

因此淋滤液中的重金属基本不会对地下水造成污染。

Abstract

Taking Panggezhuang town

Daxing district sewage treatment plant's composting sludge

raw sludge

and Tongzhou local mellow soil as an example

This paper explores the dynamic changes of the sludge mixed soil leachate index.The results show that

the pH of mixed soil was reduced

and the soil total nitrogen

total phosphorus content of mixed soil were increased

also increased soil heavy metals As

Pb content

the heavy matal Pb in raw sludge series leachate maybe takes the most important part in polluting t...

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