真实纺织废水的无试剂光电- fenton系统:集成氢回收,解毒和污泥基催化剂再利用

IF 8.3 2区 工程技术 Q1 CHEMISTRY, PHYSICAL
Sinan Ateş, Ayşe Elif Ateş
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引用次数: 0

摘要

本研究提出了一种可持续的光电fenton (PEF)系统,该系统使用牺牲铁阳极和石墨阴极来处理酸性条件下(pH 3)的实际纺织废水,无需外部铁盐。RSM优化了工艺(温度、电流、时间、紫外线强度),达到90%的TOC和73%的颜色去除率,比能耗为43.2 kW h/kg TOC。产氢量达到41 mL,固定化水蚤降至15%。值得注意的是,酸化的富铁污泥被用作催化剂,在光- fenton条件下可提供高达75%的TOC和62%的去除率。作为混凝剂,它的去除率增加了50 - 70%。这种集成的无试剂系统提供了一种结合污染物降解、氢回收、毒性降低和污泥增值的环保方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Reagent-free photoelectro-Fenton system for real textile wastewater: Integrated hydrogen recovery, detoxification, and sludge-based catalyst reuse

Reagent-free photoelectro-Fenton system for real textile wastewater: Integrated hydrogen recovery, detoxification, and sludge-based catalyst reuse
This study presents a sustainable Photoelectro-Fenton (PEF) system using a sacrificial iron anode and graphite cathode for treating real textile wastewater under acidic conditions (pH 3), without external iron salts. RSM optimized the process (temperature, current, time, UV intensity), achieving 90 % TOC and 73 % color removal with a specific energy consumption of 43.2 kW h/kg TOC. Hydrogen generation reached 41 mL, and Daphnia magna immobilization dropped to 15 %. Notably, acidified iron-rich sludge was reused as a catalyst, providing up to 75 % TOC and 62 % color removal under photo-Fenton conditions. As a coagulant, it contributed an additional 50–70 % removal. This integrated reagent-free system offers an environmentally sound approach combining pollutant degradation, hydrogen recovery, toxicity reduction, and sludge valorization.
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来源期刊
International Journal of Hydrogen Energy
International Journal of Hydrogen Energy 工程技术-环境科学
CiteScore
13.50
自引率
25.00%
发文量
3502
审稿时长
60 days
期刊介绍: The objective of the International Journal of Hydrogen Energy is to facilitate the exchange of new ideas, technological advancements, and research findings in the field of Hydrogen Energy among scientists and engineers worldwide. This journal showcases original research, both analytical and experimental, covering various aspects of Hydrogen Energy. These include production, storage, transmission, utilization, enabling technologies, environmental impact, economic considerations, and global perspectives on hydrogen and its carriers such as NH3, CH4, alcohols, etc. The utilization aspect encompasses various methods such as thermochemical (combustion), photochemical, electrochemical (fuel cells), and nuclear conversion of hydrogen, hydrogen isotopes, and hydrogen carriers into thermal, mechanical, and electrical energies. The applications of these energies can be found in transportation (including aerospace), industrial, commercial, and residential sectors.
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