Adsorption of Cd(II) Ions onto Activated Carbon Prepared from Hazelnut Husks

被引：28

作者：

Imamoglu, Mustafa ^{[1
]}

机构：

[1] Sakarya Univ, Dept Chem, Sci & Arts Fac, TR-54187 Sakarya, Turkey

来源：

JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 2013年 / 34卷 / 09期

关键词：

Activated carbon; adsorption; agricultural wastes; hazelnut husk; SOLID-PHASE EXTRACTION; MODIFIED SILICA-GEL; AQUEOUS-SOLUTION; WATER SAMPLES; REMOVAL; CADMIUM; PRECONCENTRATION; SORPTION; COPPER; BIOSORPTION;

D O I：

10.1080/01932691.2012.739869

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this study, a batch adsorption of Cd(II) ions onto activated carbon (AC) produced from hazelnut husks were investigated. The factors controlling the adsorption process such as initial pH, agitation time, dosage and initial concentration have been examined. The AC was showed a high affinity to Cd(II) ions at pH values between 5.0 and 7.0. The equilibrium time was found to be 300 minutes. Cd(II) adsorption equilibrium was analyzed with both Langmuir and Freundlich isotherm equations and it was found that Langmuir equations fitted well with the experimental data. Maximum Cd(II) adsorption capacity of AC was calculated to be 20.9mgg(-1). Cd(II) adsorption kinetics described well with the pseudo second order model. The activated carbon prepared from hazelnut husks is efficient sorbent material for the removal of Cd(II) ions from aqueous solutions.

引用

页码：1183 / 1187

页数：5

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