Adsorption of phthalate esters on soil at near saturation conditions

被引:16
|
作者
Hunter, JG [1 ]
Uchrin, CG [1 ]
机构
[1] Environm & Occupat Hlth Sci Inst, Piscataway, NJ 08854 USA
来源
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING | 2000年 / 35卷 / 09期
关键词
adsorption; phthalate esters; groundwater;
D O I
10.1080/10934520009377051
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Batch studies were performed to determine the adsorption behavior of dimethyl phthalate ester and diethyl phthalate ester on two sandy New jersey soils at near saturation conditions. One soil had a very low organic matter content (<0.012%) while the other was quite higher (1.33%). Both esters displayed BET type adsorption to the high organic content soil, while little adsorption was displayed to the low organic matter soil. Linear, Langmuir, Freundlich, BET, and a composite isotherm proposed by Marinas and Li were fitted to the data. The composite isotherm fir best in all cases. The diethyl phthalate evidence a greater tendency to adsorb than the dimethyl phthalate.
引用
收藏
页码:1503 / 1515
页数:13
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