Adsorptive removal of aromatic amine from aqueous solutions using carbon black as adsorbent

被引：4

作者：

Rodrigues, Layza ^{[1
]}

Paquini, Lucas Destefani ^{[1
]}

Favero, Ueslei Giori ^{[2
]}

Alves, Ruan de Oliveira ^{[2
]}

Pinheiro, Iara Reboucas ^{[1
,3
]}

Passos, Renato Ribeiro ^{[4
]}

Guimaraes, Luciano de Moura ^{[5
]}

Profeti Luciene, Paula Roberto ^{[1
,2
]}

Profeti, Demetrius ^{[1
,2
]}

机构：

[1] Univ Fed Espirito Santo, Programa Posgrad Engn Quim, Alegre, ES, Brazil

[2] Univ Fed Espirito Santo, Dept Quim & Fis, Alegre, ES, Brazil

[3] Univ Fed Espirito Santo, Dept Engn Rural, Alegre, ES, Brazil

[4] Univ Fed Espirito Santo, Dept Agron, Alegre, ES, Brazil

[5] Univ Fed Vicosa, Dept Fis, Vicosa, MG, Brazil

来源：

CHEMICAL ENGINEERING COMMUNICATIONS | 2023年 / 210卷 / 07期

关键词：

Adsorption; isotherms; kinetic; Vulcan XC 72R; water treatment; ACTIVATED CARBONS; FUNCTIONAL-GROUPS; WASTE-WATER; BENZIDINE; ELECTROCATALYSTS; CONTAMINANTS; GRAPHENE; SUPPORTS;

D O I：

10.1080/00986445.2022.2056453

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This is the first work to report the removal of an aromatic amine (o-tolidine) from aqueous solutions using a carbon black (Vulcan XC 72 R) as adsorbent. The adsorbent material was characterized using Raman spectroscopy, scanning electron microscopy, energy dispersive spectroscopy, thermogravimetric analysis, and pH at the point of zero charge. The effects of contact time, pH, and initial concentration on o-tolidine adsorption were evaluated. Avrami kinetic model best described the adsorption process. Weber-Morris model showed that the aromatic amine adsorption mechanism is controlled by intraparticle and film diffusion on Vulcan XC 72 R. Temkin isotherm model described equilibrium results, with a maximum adsorption capacity of 64.00 mg g(-1) at 25 degrees C. Thus, the results highlight the applicability of Vulcan XC 72 R as an effective and low-cost adsorbent to decontaminate effluents containing o-tolidine.

引用

页码：1108 / 1117

页数：10

共 46 条

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