Adsorption Properties of Dye onto Mg/Al-CO3 Layered Double Hydroxide

被引：0
|
作者：
Zhang, Lifang [1 ]
Wei, Dezhou [2 ]
机构：
[1] Shenyang Ligong Univ, Sch Environm & Chem Engn, Shenyang, Peoples R China
[2] Northeastern Univ, Sch Resources & Civil Engn, Shenyang, Peoples R China
来源：
2011 INTERNATIONAL CONFERENCE ON FUZZY SYSTEMS AND NEURAL COMPUTING (FSNC 2011), VOL III | 2011年
关键词：
adsorption; dye; layered double hydroxide; METHYLENE-BLUE BIOSORPTION; REMOVAL; DECOLORIZATION; KINETICS;
D O I：
暂无
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Adsorption of reactive red on Mg/Al-CO3 layered double hydroxide in a batch stirred system was investigated. Experiments were carried out as function of Mg/AI molar ratio, contact time, initial pH, adsorbent amount and temperature. It was found that the maximum dye removal was at Mg/AI molar ratio of 3. Solution pH ranging from 2-8 had little effect on adsorption rate. Dye removal decreased with increased temperature in studied temperature range. The Langmuir and Freundlich isotherm models were used for modeling the adsorption equilibrium. The adsorption equilibrium data could well interpreted by the Langmuir models with maximum adsorption capacity of 131.58 mg/g (R-2=0.9986). The results indicate the possible dye removal from water by using Mg/AI-CO3 layered double hydroxide.
引用
收藏
页码：171 / 174
页数：4
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