Influence of some organic ligands on the adsorption of lead by agricultural soil

被引：32

作者：

Ahmed, I. M. ^{[1
]}

Helal, Aly A. ^{[1
]}

El Aziz, Naema A. ^{[2
]}

Gamal, R. ^{[1
]}

Shaker, Nehal O. ^{[2
]}

Helal, A. A. ^{[1
]}

机构：

[1] Atom Energy Author, Hot Lab Ctr, Cairo 13759, Egypt

[2] Al Azhar Univ, Girls Branch, Fac Sci, Cairo, Egypt

来源：

ARABIAN JOURNAL OF CHEMISTRY | 2019年 / 12卷 / 08期

关键词：

Adsorption; Lead; Humic acid; Gallic acid; Phenol; Soil; HUMIC-ACID; SORPTION; REMOVAL; METALS; WATER;

D O I：

10.1016/j.arabjc.2015.03.012

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The adsorption of lead onto agricultural soil in the presence of organic compounds such as, humic acid, gallic acid or phenol was studied. The study included the factors affecting the adsorption process such as contact time, pH, adsorbent dose, metal concentration and organic ligands concentration. The experimental isotherm data were found to fit both Langmuir and Freundlich isotherms. The results show that the pseudo second-order equation provides the best correlation for the adsorption process. The results indicate that both humic acid and phenol increase the adsorption of lead while gallic acid slightly decreases the adsorption. (C) 2015 The Authors. Published by Elsevier B.V. on behalf of King Saud University.

引用

页码：2540 / 2547

页数：8

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