Experimental study on infiltration and transportation of ammonia nitrogen through the clayey soil layer

ZHANG Zhi-hong; ZHAO Cheng-gang; LI Tao

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Experimental study on infiltration and transportation of ammonia nitrogen through the clayey soil layer

更新时间：2026-06-25

- Experimental study on infiltration and transportation of ammonia nitrogen through the clayey soil layer
- Vol. 29, Issue 1, (2008)
- 作者机构：
  
  1. 北京工业大学建筑工程学院,北京,100022
  2. 北京交通大学土木建筑工程学院,北京,100044
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU411
- Online First：18 July 2013，
  
  Published：2008
- 稿件说明：
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ZHANG Zhi-hong, ZHAO Cheng-gang, LI Tao. Experimental study on infiltration and transportation of ammonia nitrogen through the clayey soil layer[J]. 2008, 29(1).
DOI：

ZHANG Zhi-hong, ZHAO Cheng-gang, LI Tao. Experimental study on infiltration and transportation of ammonia nitrogen through the clayey soil layer[J]. 2008, 29(1). DOI：

摘要

对太湖疏浚污染底泥中含有的一种主要污染物——氨氮在底泥堆场黏土防渗层中的渗透和运移规律进行了试验研究。在室内通过渗透模拟试验和动态土柱试验，测定了不同固结压力作用下黏土的渗透系数和弥散系数，通过静态吸附试验测定了黏土对氨氮的吸附系数。试验结果表明，底泥堆场下部的黏土防渗层对底泥中的氨氮具有较强的吸附和阻隔能力。

Abstract

The infiltration

transportation and transformation of a main contaminant (ammonia nitrogen) in the Taihu Lake sediment through a clayey soil layer are studied experimentally. The permeability coefficient and diffusion coefficient under different pressures are determined through the laboratory tests of stimulation test of infiltration and dynamic soil column test. The adsorption coefficient of ammonia nitrogen to clay soil is also obtained through the static adsorption test. The test results show that the ammonia nitrogen is mainly adsorbed and obstructed by the clayey soil layer in a facility for the dredged sediments from Taihu Lake.

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