Adsorption of a Textile Dye on Commercial Activated Carbon: A Simple Experiment To Explore the Role of Surface Chemistry and Ionic Strength

被引：42

作者：

Martins, Angela ^{[1
]}

Nunes, Nelson

机构：

[1] Inst Super Engn Lisboa, Area Dept Engn Quim, P-1959007 Lisbon, Portugal

来源：

JOURNAL OF CHEMICAL EDUCATION | 2015年 / 92卷 / 01期

关键词：

Second-Year Undergraduate; Physical Chemistry; Environmental Chemistry; Hands-On Learning/Manipulatives; Surface Science; UV-vis Spectroscopy; Laboratory Instruction; REMOVAL;

D O I：

10.1021/ed500055v

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this study, an adsorption experiment is proposed using commercial activated carbon as adsorbent and a textile azo dye, Mordant Blue-9, as adsorbate. The surface chemistry of the activated carbon is changed through a simple oxidation treatment and the ionic strength of the dye solution is also modified, simulating distinct conditions of water hardness. The purpose of this experimental work, directed to undergraduate (second-year) students is to allow them to understand the influence of surface chemistry and ionic strength on the interaction between the carbon surface and the dye molecule.

引用

页码：143 / 147

页数：5

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