Adsorption of dimethyl phthalate on marine sediments

作者：Zhao XK; Yang GP^*; Wang YJ

来源：Water, Air, and Soil Pollution, 2004, 157(1-4): 179-192.

DOI：10.1023/B:WATE.0000038880.57430.c3

• dimethyl phthalate
• marine sediment
• sorption
• partition
• linear isotherm
• Freundlich isotherm

Experiments were performed to investigate the sorption behaviors of dimethyl phthalate on marine sediments. The sorption of dimethyl phthalate on marine sediments reached equilibrium within 10 h. The sorption behavior of dimethyl phthalate on HCl-treated and untreated sediments accorded well with the linear sorption isotherm. The sorption occurred primarily via partition function of organic carbon of marine sediments. The sorption behavior of dimethyl phthalate on H2O2-treated sediment was nonlinear and conformed to Freundlich isotherm. Sorption of dimethyl phthalate on H2O2-treated sediment was chiefly through surface function of clay in marine sediments. Salinity of seawater had an important effect on the sorption of dimethyl phthalate. As the salinity of seawater increased, both the partitioning coefficients K-d and empirical constant K would increase.

• 出版日期2004-9
• 单位中国海洋大学