Sorption Studies of Chromium(VI) and Mercury(II) by High Temperature Activated Carbon from Syzygium Jambolanum Nut

被引：4
|
作者：
Beulah, S. Sophie [1 ]
Muthukumaran, K. [1 ]
机构：
[1] Govt Coll Engn, Dept Chem, Tirunelveli 627007, Tamil Nadu, India
来源：
E-JOURNAL OF CHEMISTRY | 2010年 / 7卷 / 01期
关键词：
Syzygium Jambolanum nut carbon; Batch experiments; Freundlich and Langmuir Isotherms; Kinetic studies; Desorption; REMOVAL; ADSORPTION;
D O I：
10.1155/2010/928248
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
High temperature activated Syzygium Jambolanum nut carbon (HSJC) has been effectively used for the removal of Cr(VI) and Hg(II) from aqueous solution by batch experiments. Effect of pH, carbon dose and equilibration time were determined. Adsorption followed Freundlich and Langmuir isotherms. Kinetic studies indicated that the removal process followed reversible first order equation. Desorption of Cr(VI) was done with 1 M NaOH and 10% H(2)O(2) mixture and Hg(II) with 2% Na(2)S in 1% NaOH. The performance of HSJC was compared with a commercial activated carbon (CAC).
引用
收藏
页码：299 / 307
页数：9
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