摘要
研究了苯酚在泉州湾滩涂沉积物上的吸附行为,尤其是pH值和温度对吸附作用的影响,探讨了其吸附机理,同时绘制了吸附等温线。实验结果表明,常温下苯酚在泉州湾滩涂沉积物上的吸附平衡时间约需6h;吸附作用随pH值和温度的升高而减弱;苯酚在泉州湾滩涂沉积物上的吸附行为可以较好地用Henry、Langmuir和Freundlich型吸附等温式来描述,相比而言,Freundlich型拟合效果最好,这说明其吸附机理实际上非常复杂。
The adsorption characteristics of phenol on the tidal flat sediments in Quanzhou Bay, Fujian province were studied. The results show that the adsorption equilibration time of phenol on the tidal flat sediments of Quanzhou Bay is about 6 hours,and the sorption capacity decreased with pH and temperature. The sorption behavior of phenol on the tidal flat sediments of Quanzhou Bay can be well described by Henry, Langumuir and Freundlich adsorption isotherm equations, though the Freundlich model is the best comparatively. This result indicates that the adsorption mechanisms of phenol on the tidal flat sediments of Quanzhou Bay are very complex actually.
出处
《生态环境》
CSCD
2004年第4期535-537,共3页
Ecology and Environmnet
基金
福建省自然科学基金项目(D0310017)
华侨大学科研基金项目(02HZR01)
关键词
苯酚
泉州湾滩涂沉积物
吸附
酸碱度
温度
等温线
phenol
tidal flat sediments of quanzhou bay
sorption
pH
temperature
isotherm
