电化学脱色AB172和BR46纺织染料的比较研究：多元实验设计

IF 2.4 4区生物学 Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Journal of chemical technology and biotechnology Pub Date : 2025-09-03 DOI:10.1002/jctb.70055

Hilal Ilhan, Orhan Taner Can, Senem Yazici Guvenc, Emine Can-Güven, Gamze Varank

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引用次数: 0

摘要

用于为织物染色的纺织染料会对环境造成挑战，因为大约30%的染料可能未经处理就进入废水。这种废水具有强烈的颜色，多变的pH值和含盐量。染料由于其复杂的聚合物结构，生物降解性有限，需要进行高级处理。研究了电絮凝法（EC）和电氧化法（EO）对印染废水的脱色效果。实验设计采用Box-Behnken设计确定最大去除效率。以初始pH、电流密度（CD）和反应时间（RT）为自变量，以酸性黑172 （AB172）和碱性红46 （BR46）染料的去除率为模型响应。结果采用Ti:RuO2:IrO2电极的EO法对BR46染料有较高的去除率，采用Al电极的EC法对AB172染料有较高的去除率。在最佳条件下，EC法对AB172染料（初始pH 5.63, CD 0.07 mA cm−2,RT 13.1 min）的去除率最高，为93.4%；EO法对BR46染料（初始pH 4.61, CD 2.89 mA cm−2,RT 72.6 min）的去除率最高，为94.0%。结论电化学方法在印染废水处理中具有良好的应用前景，可提供水的回收利用和适当的建模。通过Box-Behnken设计优化后，EC和EO工艺都能以低能耗提供高染料去除效率，突出了它们对可持续纺织废水处理的适用性。©2025化学工业学会（SCI）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

A comparative study on decolorization of AB172 and BR46 textile dyes by electrochemical processes: multivariate experimental design

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A comparative study on decolorization of AB172 and BR46 textile dyes by electrochemical processes: multivariate experimental design

BACKGROUND

Textile dyes, used for coloring fabrics, cause environmental challenges because approximately 30% of the applied dye may enter the wastewater without being treated. This wastewater has intense color, variable pH, and salt content. Limited biodegradability of dyes due to their complex polymer structures necessitates advanced treatment. This study investigated the decolorization of dyeing wastewater by electrocoagulation (EC) and electrooxidation (EO) methods, which are common techniques of electrochemical advanced oxidation processes. Box–Behnken design was applied to experimental design in the determination of the maximum removal efficiency. Initial pH, current density (CD), and reaction time (RT) were chosen as independent variables, and the removal efficiency of Acid Black 172 (AB172) and Basic Red 46 (BR46) dyestuffs was selected as model responses.

RESULTS

Higher BR46 dyestuff removal efficiency was obtained by the EO process using a Ti:RuO₂:IrO₂ electrode, and higher AB172 dyestuff removal efficiency was obtained by the EC process using an Al electrode. Under optimum conditions, the highest removal efficiencies based on dyestuff were 93.4% with the EC process for AB172 dyestuff (initial pH 5.63; CD 0.07 mA cm⁻²; RT 13.1 min) and 94.0% for BR46 dyestuff with the EO process (initial pH 4.61; CD 2.89 mA cm⁻²; RT 72.6 min).

CONCLUSION

The study suggests that electrochemical methods hold promise for treating dyeing wastewater, providing water recovery and appropriate modeling. Both EC and EO processes, when optimized via Box–Behnken design, offer high dye removal efficiencies with low energy requirements, highlighting their suitability for sustainable textile wastewater treatment. © 2025 Society of Chemical Industry (SCI).

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来源期刊

Journal of chemical technology and biotechnology 工程技术-工程：化工

CiteScore

7.00

自引率

5.90%

发文量

268

审稿时长

1.7 months

期刊介绍： Journal of Chemical Technology and Biotechnology(JCTB) is an international, inter-disciplinary peer-reviewed journal concerned with the application of scientific discoveries and advancements in chemical and biological technology that aim towards economically and environmentally sustainable industrial processes.