Ricinus Communis Pericarp Activated Carbon Used as an Adsorbent for the Removal of Ni(II) From Aqueous Solution

被引：22

作者：

Madhavakrishnan, S. ^{[1
]}

Manickavasagam, K. ^{[1
]}

Rasappan, K. ^{[2
]}

Shabudeen, P. S. Syed ^{[3
]}

Venkatesh, R. ^{[3
]}

Pattabhi, S. ^{[1
]}

机构：

[1] PSG Coll Arts & Sci, Dept Environm Sci, Coimbatore 641014, Tamil Nadu, India

[2] Coimbatore Inst Technol, Dept Civil Engn, Coimbatore, Tamil Nadu, India

[3] Kumaraguru Coll Technol, Dept Chem, Coimbatore, Tamil Nadu, India

来源：

E-JOURNAL OF CHEMISTRY | 2008年 / 5卷 / 04期

关键词：

Activated carbon; Metal ion; Adsorption; Kinetics; Isotherms;

D O I：

10.1155/2008/272370

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Activated carbon prepared from Ricinus communis Pericarp was used to remove Ni(II) from aqueous solution by adsorption. Batch mode adsorption experiments are carried out by varying contact time, metal-ion concentration, carbon concentration and pH to assess kinetic and equilibrium parameters. The adsorption data were modeled by using both Langmuir and Freundlich classical adsorption isotherms. The adsorption capacity (Q(o)) calculated from the Langmuir isotherm was 31.15 mg/g of activated carbon at initial pH of 5.0 +/- 0.2 for the particle size 125-250 mu m.

引用

页码：761 / 769

页数：9

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