ADSORPTION OF DINITROPHENOLS ONTO POLYMERIC ADSORBENTS AND ITS MECHANISM

被引：5

作者：

SHI Zuoqing

机构：

来源：

ChineseJournalofReactivePolymers | 2000年 / 01期

基金：

中国国家自然科学基金;

关键词：

Dinitrophenols; Adsorption; Polymeric adsorbent; Mechanism;

D O I：

暂无

中图分类号：

O647 [表面现象的物理化学];

学科分类号：

070304 ; 081704 ;

摘要：

The adsorption of 2,4-dinitrophenol and 2.6-dinitrophenol on non-polar and polar adsorbents was studied. The results showed that the equilibrium adsorption did not comply with the Langmuir equation and was not mono-layer absorption. It is of interest to notice that the effect of pH on the adsorption of 2.4-or 2,6-dinitrophenol onto ADS-7 and ADS-21 was very small. The result is explained by hydrogen bonding interaction between 2, 4- or 2. 6-dinitrophenol and the adsorbent ADS21. The large adsorption capacity of dinitrophenol onto ADS-21, which was about 500 mg/g at an equilibrium concentration of 400 mg/L. and the small dinitrophenol leakage in the effluent from ADS- 21 column presented a good prospect for treatment of wastewater containing dinitrophenol with absorbent ADS-21.

引用

页码：34 / 41

页数：8