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

页码：2223 / 2237

页数：15

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