Process optimization for degradation of reactive Brilliant Red X-3B by Fenton's reagent

ZHANG Xianbing; YUAN Jiajia; DONG Wenyi; YANG Wei

doi:10.3969/j.issn.0438-1157.2013.03.037

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Process optimization for degradation of reactive Brilliant Red X-3B by Fenton's reagent

更新时间：2025-12-10

- Process optimization for degradation of reactive Brilliant Red X-3B by Fenton's reagent
- CIESC Journal Issue 3, Pages: 1049-1054(2013)
- 作者机构：
  
  哈尔滨工业大学深圳研究生院,深圳市水资源利用与环境污染控制重点实验室,广东,深圳,518055
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2013.03.037
  CLC： Q028.8
- Online First：05 March 2013，
  
  Published：05 March 2013
- 稿件说明：
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ZHANG Xianbing, YUAN Jiajia, DONG Wenyi, et al. Process optimization for degradation of reactive Brilliant Red X-3B by Fenton's reagent[J]. CIESC Journal, 2013, (3): 1049-1054.
DOI：

ZHANG Xianbing, YUAN Jiajia, DONG Wenyi, et al. Process optimization for degradation of reactive Brilliant Red X-3B by Fenton's reagent[J]. CIESC Journal, 2013, (3): 1049-1054. DOI： 10.3969/j.issn.0438-1157.2013.03.037.

摘要

通过试验方法优化

研究了芬顿体系中pH值、温度、H2O2投加量以及过氧化氢/硫酸亚铁摩尔比C(H2O2)/C(FeSO4)对活性艳红X-3B脱色及总有机碳(total organic carbon

TOC)去除率的影响。结果表明:初始pH值对脱色率和TOC去除率的影响均最大。在正交试验的基础上

通过单因素试验进一步优化了反应条件

得出芬顿法去除活性艳红X-3B的最佳反应条件为pH=3、H2O2投加量为2.5 mmol·L-1、C(H2O2)/C(FeSO4)=10时

模拟废水的脱色率可达98.93%

TOC去除率可达48.81%。此外

芬顿体系的反应速率受温度的影响较大

色度去除符合二级动力学模型

根据Arrhenius公式计算得出活性艳红X-3B在芬顿体系中的反应活化能约为107 kJ·mol-1。

Abstract

Chemical oxidation by Fenton's reagent of a reactive azo dye (Brilliant Red X-3B) had been optimized using experimental design.The variables considered were pH

temperature as well as initial concentrations of hydrogen peroxide and ferrous ion.The results show that initial pH value has the biggest effect on TOC removal and decoloration.Based on orthogonal experiment design

single factor experiment was conducted to optimize reaction conditions.The results reveal that the optimum reaction conditions obtained are pH 3

hydrogen peroxide(30%) 2.5 mmol稬-1

C(H2O2)/C(FeSO4) ratio 10

and the rates of decoloration and TOC removal for simulated wastewater are 98.93% and 48.81%

respectively.Furthermore

the effect of temperature on the TOC removal rate is remarkable

and the decolorization rate follows second-order kinetic model.Using Arrhenius equation

the activation energy calculated for degradation of reactive Brilliant Red X-3B in Fenton reaction system is about 107 kJ穖ol-1.

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