Mineralization and Decolorization of CI Reactive Black 5 in Sonochemical Process and Fenton Process

被引：2

作者：

Cho, Eunju ^{[1
]}

Cui, Mingcan ^{[1
]}

Lim, Myunghee ^{[1
]}

Son, Younggyu ^{[1
]}

Kweon, Boyoun ^{[2
]}

Khim, Jeehyeong ^{[1
]}

机构：

[1] Korea Univ, Dept Civil Environm & Architectural Engn, Seoul 136701, South Korea

[2] Gyeonggi Do Inst Hlth & Environm, Suwon 440851, South Korea

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2009年 / 48卷 / 07期

关键词：

AZO DYES; DEGRADATION; DECOLORATION; ULTRASOUND;

D O I：

10.1143/JJAP.48.07GH06

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The objective of this study was to improve the removal efficiency of decolorization and mineralization of reactive black 5 (RB5) by the combination of the sonochemical process and the Fenton process. In the combined process, the RB5 was almost removed and the removal efficiency of chemical oxygen demand (COD) and total organic carbon (TOC) increased. This means that H2O2 and Fe2+/Fe3+ were reactive continuously. The color was almost removed because the azo bonds are broken down prior to the benzene ring bonds for OH radical. The COD/TOC ratio decreased, implying that the average oxidation state of carbon increased, and the form of RB5 was thus changed from aromatic structures to aliphatic structures. (c) 2009 The Japan Society of Applied Physics

引用

页数：3

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