Removal of direct red and acid brilliant blue by adsorption on to banana pith

被引：317

作者：

Namasivayam, C ^{[1
]}

Prabha, D ^{[1
]}

Kumutha, M ^{[1
]}

机构：

[1] Bharathiar Univ, Dept Environm Sci, Div Environm Chem, Coimbatore 641046, Tamil Nadu, India

来源：

BIORESOURCE TECHNOLOGY | 1998年 / 64卷 / 01期

关键词：

acid brilliant blue; adsorption isotherm; desorption; direct red; kinetics; pH; waste banana pith;

D O I：

10.1016/S0960-8524(97)86722-3

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The adsorption of direct red and acid brilliant blue by waste banana pith was investigated by varying the agitation time, dye concentration, adsorbent dose and pH. The adsorption followed both Langmuir and Freundlich isotherms. The adsorption capacity was 5.92 and 4.42 mg dye per gram of the adsorbent for direct red and acid brilliant blue, respectively. Adsorption of dye followed first-order kinetics. An acidic pH was favourable for the adsorption of both dyes. An alkaline pH was favourable for desorption of the dyes. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：77 / 79

页数：3

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