ADSORPTION OF PB(II) BY PEANUT HULL CARBON FROM AQUEOUS-SOLUTION

被引：52
|
作者：
PERIASAMY, K [1 ]
NAMASIVAYAM, C [1 ]
机构：
[1] BHARATHIAR UNIV,DEPT ENVIRONM SCI,DIV ENVIRONM CHEM,COIMBATORE 641046,TAMIL NADU,INDIA
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 1995年 / 30卷 / 10期
关键词：
D O I：
10.1080/01496399508013903
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Carbon prepared from peanut hulls (PHC) has been used for the adsorption of Pb(II) over a range of initial metal ion concentrations (10-20 mg/L), agitation times (5-140 minutes), adsorbent dosages (5-100 mg/100 mt), and pH values (1.5-10.0). Adsorption of Pb(II) obeyed the Langmuir isotherm. The applicability of the Lagergren kinetic model has also been investigated. Quantitative removal of 20 mg/L Pb(II) by 0.3 g carbon per liter aqueous solution was observed in the pH range of 3.0 to 10.0. A comparative study with a coal-based commercial granular activated carbon (CAC) showed that the adsorption capacity of PHC was 18 times larger than that of CAC.
引用
收藏
页码：2223 / 2237
页数：15
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