耐低温菌固定化涂层电极处理印染废水的研究  

Low Temperature Resistant Bacteria Immobilized Coating Electrode for the Treatment of Printing and Dyeing Wastewater

作　　者：郭洪丹 马红艳 GUO Hongdan;MA Hongyan*(Tianjin University of Science and Technology,School of Chemical Engineering and Materials Science,Tianjin 300457,China)

机构地区：[1]天津科技大学化工与材料学院,天津滨海新区300457

出　　处：《水处理技术》2024年第3期103-107,共5页Technology of Water Treatment

基　　金：国家自然科学基金(21961132005);天津市自然科学基金(17JCYBJC22900)。

摘　　要：通过制备固定化涂层电极,将固定化技术和电化学技术结合,双重强化了耐低温菌处理印染废水的能力。对固定化涂层电极的性能进行了研究,对比了不同处理方式处理模拟印染废水的能力。结果表明:固定化涂层材料具有较好的机械强度,压缩应变达95%以上,孔隙率为81.86%,溶胀率为302.76%;固定化涂层电极具有较好的电催化活性和较低的能耗,电极寿命是无涂层电极的2.17倍;固定化涂层电极电化学技术处理印染废水降解能力高于其他处理方式,脱色率为95.76%,化学需氧量(COD)去除率为84.16%,增强了菌株的降解能力,是一种有效的处理模拟印染废水的技术。Immobilized coated electrodes were prepared and utilized in combination with electrochemical technology to enhance the ability of low-temperature resistant bacteria in treating printing and dyeing wastewater.The performance of the immobilized coated electrodes was thoroughly investigated,and their effectiveness in treating simulated printing and dyeing wastewater was compared with other treatment methods.The results indicated that the immobilized coating material exhibited excellent mechanical strength,with a compressive strain exceeding 95%,a porosity of 81.86%,and a swelling rate of 302.76%.Moreover,the immobilized coated electrode displayed remarkable electrocatalytic activity,low energy consumption,and improved durability,demonstrating a lifespan that was 2.17 times longer than its uncoated counterpart.Most notably,the immobilized coating electrode electrochemical technology benchmarked superior performance compared to other treatment methods,showing a decolorization rate of 95.76%and a chemical oxygen demand(COD)removal rate of 84.16%.This technology significantly amplified the degradation ability of the strains and thus represents a highly effective approach for treating simulated printing and dyeing wastewater.

关 键 词：涂层电极 电化学 印染废水 

分 类 号：X791[环境科学与工程—环境工程]