ADSORPTION OF DIRECT-RED-12-B BY BIOGAS RESIDUAL SLURRY - EQUILIBRIUM AND RATE-PROCESSES

被引：186

作者：

NAMASIVAYAM, C

YAMUNA, RT

机构：

[1] Environmental Chemistry Division, Department of Environmental Sciences, Bharathiar University, Coimbatore

来源：

ENVIRONMENTAL POLLUTION | 1995年 / 89卷 / 01期

关键词：

D O I：

10.1016/0269-7491(94)00056-J

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The rate of adsorption of Direct red 12 B, a direct dye, on biogas residual slurry (BRS) has been studied. The parameters studied include dye concentration, particle size, temperature and pH. The rate controlling step is mainly intraparticle diffusion, although a small boundary layer resistance is expressed. Almost total removal of dye occurred at pH 23. Adsorption of dye conforms with the Freundlich isotherm.

引用

页码：1 / 7

页数：7

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