NTA BIODEGRADATION AND REMOVAL IN SUBSURFACE SANDY SOIL

被引：8

作者：

BAEK, NH

CLESCERI, NL

机构：

[1] Department of Chemical Engineering and Environmental Engineering, Rensselaer Polytechnic Institute, Troy, NY 12181, United States

来源：

WATER RESEARCH | 1986年 / 20卷 / 03期

关键词：

ORGANIC COMPOUNDS - Biodegradation - WATER POLLUTION - Detergents Effects;

D O I：

10.1016/0043-1354(86)90082-5

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This lab-scale study examined the biodegradation and removal of nitrilotriacetic acid (NTA) in the subsurface environment, mainly sandy soils. Batch tests indicated that NTA adsorption on the sandy soils played a minor role in its removal in these soils. Removal of NTA was investigated in 50. 5 mm i. d. by 1. 17 m long soil columns under unsaturated conditions at 15 degree C. Septic tank effluent containing 20 mg NTA l** minus **1 was dosed to soil columns four times a day at an overall loading rate of 1 gpd ft** minus **2 for a 43-day period.

引用

页码：345 / 349

页数：5

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