Adsorption of methylene blue from aqueous solution using honeycomb-cinder

被引：0

作者：

Cui, Songbo ^{[1
]}

Zhang, Huayong ^{[1
]}

Zhang, Luyi ^{[1
]}

机构：

[1] North China Elect Power Univ, Res Ctr Ecol Engn & Nonlinear Sci, Beijing 102206, Peoples R China

来源：

ADVANCES IN CHEMICAL ENGINEERING II, PTS 1-4 | 2012年 / 550-553卷

关键词：

Adsorption; Acidification; Honeycomb-cinder; Methylene blue; DYE; REMOVAL; WATER;

D O I：

10.4028/www.scientific.net/AMR.550-553.2259

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The adsorption behavior of methylene blue (MB) dye from aqueous solutions onto honeycomb-cinder (HC) and its acid-activated product was investigated in a batch system. The results showed the adsorption capacity was decreased for raw HC samples with the increase of pH value, while it was increased for activated samples. The adsorption data were fit with Langmuir isotherm model for MB adsorption by all samples. The MB adsorption capacity on samples was increased from 2.62 mg/g to 7.81 mg/g and 7.00 mg/g after acid-activated by HCl and H2SO4, respectively. The adsorption processes of MB followed pseudo-second-order kinetics with a coefficient of correlation >= 0.99. This study demonstrated that acid-activated HC has superior adsorbing ability for MB than raw HC and can be used as alternative adsorbents in dye wastewater treatment.

引用

页码：2259 / 2262

页数：4

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