Iron-based metal organic framework as an effective lead ions remover from aqueous solution: Thermodynamic and kinetic studies

被引：14

作者：

Shooto, Ntaote David ^{[1
]}

Dikio, Ezekiel Dixon ^{[1
]}

Wankasi, Donbebe ^{[1
]}

Sikhwivhilu, Lucky Mashudu ^{[2
]}

机构：

[1] Vaal Univ Technol, Dept Chem, Appl Chem & Nanosci Lab, ZA-1900 Vanderbijlpark, South Africa

[2] Nanotechnol Innovat Ctr, MINTEK, Adv Mat Div, Randburg, South Africa

来源：

HEMIJSKA INDUSTRIJA | 2017年 / 71卷 / 03期

关键词：

lead; kinetics; adsorption; thermodynamics; metal organic frameworks; synthesis; ACTIVATED CARBON; ADSORPTION; SORPTION; WATER; PB2+; PRETREATMENT; BIOSORPTION; DESORPTION; CR(VI); COPPER;

D O I：

10.2298/HEMIND160120032S

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Metal organic frameworks (MOFs) based on iron as a central metal ion and 1,2,4,5-tetra-benzenecarboxylic acid as ligand was successful synthesized, characterized and studied as adsorbent for the removal of lead ions in aqueous solution. Characterization of Fe-MOF was attained by SEM, EDX, TGA and FT-IR techniques. EDX spectrum showed the presence of C, O and Fe, which may facilitate in creating charges and functionalities on the surface of the Fe-MOF for adsorption. The kinetic and thermodynamic parameters were also investigated. The results showed that Fe-MOF has a high Pb2+ adsorption affinity. The removal of Pb2+ from aqueous solutions varied with concentration, contact time and temperature. All adsorption studies were carried out in batch experiments.

引用

页码：221 / 229

页数：9

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