Removal of acid violet from wastewater by adsorption on waste red mud

被引：49
作者：
Namasivayam, C [1 ]
Yamuna, RT [1 ]
Arasi, DJSE [1 ]
机构：
[1] Bharathiar Univ, Dept Environm Sci, Environm Chem Lab, Coimbatore 641046, Tamil Nadu, India
来源：
ENVIRONMENTAL GEOLOGY | 2001年 / 41卷 / 3-4期
关键词：
red mud; adsorption; isotherms; dyes;
D O I：
10.1007/s002540100411
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Waste red mud obtained during the processing of bauxite ore has been used for the adsorption of acid violet at different initial dye concentrations (10-40 mg/L), agitation time, adsorbent dosages (0.05-1.15 g/50 mL) and pH (2-11). Adsorption obeyed both Langmuir and Freundlich isotherms. Quantitative removal of dye was observed at pH 4.1. Desorption studies show that the adsorption is mainly due to ion-exchange.
引用
收藏
页码：269 / 273
页数：5
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