Treatment and Degradation of Azo Dye Waste Industry by Electro-Fenton Process

被引：6

作者：

Wakrim, A. . ^{[1
]}

Zaroual, Z. ^{[1
]}

El Ghachtouli, S. ^{[1
]}

Eddine, J. Jamal ^{[2
]}

Azzi, M. ^{[1
]}

机构：

[1] Fac Sci Ain Chock, Dept Chem, Lab Interface Mat Environm, BP 5366 Maarif, Casablanca 5366, Morocco

[2] Fac Sci Ain Chock, Dept Chem, Lab Synth Extract & Physicochem Study Organ Mol, BP 5366 Maarif, Casablanca 5366, Morocco

来源：

PHYSICAL CHEMISTRY RESEARCH | 2022年 / 10卷 / 04期

关键词：

Electrode material; Azo dye; Electro-Fenton process; Discoloration; Degradation; SYNTHETIC ORGANIC-DYES; PHOTOCATALYTIC DEGRADATION; AQUEOUS-SOLUTION; DECOLORIZATION; WASTEWATERS; RED; DECONTAMINATION; OXIDATION; KINETICS; REMOVAL;

D O I：

10.22036/PCR.2022.315931.1991

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The Electro-Fenton technique was used to investigate the discoloration of carmoisine red azo dye solution. Carbon graphite (cathode) and platinum (anode) electrodes were used to achieve optimal discoloration efficiency. We examined the effect of Fe2+ concentration and current density. The results showed that with 200 mA cm(-2) of electrolysis current and 0.2 mM of Fe2+ at pH = 3; 93% discoloration efficiency was achieved in 60 min. IR, LC-MS-MS, and Ion Chromatography studies were used to evaluate the degradation process of carmoisine red. Intermediates of aromatic compounds have been identified. A possible carmoisine red degradation pathway was proposed and discussed.

引用

页码：495 / 504

页数：10

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