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首页> 外文期刊>Environment and Ecology Research >Photocatalytic Efficiency of Mill Scale for the Degradation of Textile Dye by Photo Fenton and Photo-Ferrioxalate System under UV and Sunlight
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Photocatalytic Efficiency of Mill Scale for the Degradation of Textile Dye by Photo Fenton and Photo-Ferrioxalate System under UV and Sunlight

机译：芬顿光和草酸铁盐体系在紫外线和阳光下降解氧化皮对纺织厂鳞片的光催化效率

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The aim of the study was to investigate the photocatalytic efficiency of mill scale (waste iron oxide collected from local steel plants) for the degradation of textile dyes. The photodegradation on methylene blue (MB) in natural environment with co-existence of mill scale and oxalic acid/ H2O2 under UV or sunlight were studied. Some effecting factors such as mill scale content, oxalate ion, H2O2 and MB concentration were also investigated. Dye decomposition rate was found to increase with an increase in the amount of mill, reached a maximum and then decreased with increasing mill scale concentration. The decomposition rate decreased with increasing dye concentration. Faster dye degradation was observed by mill scale/H2O2 than with mill scale/oxalic acid system. Photocatalytic performance of mill scale (a solid waste) was found as an interesting alternative for the degradation of dyes (liquid waste).
机译：该研究的目的是研究工厂规模（从当地钢铁厂收集的废氧化铁）对纺织品染料降解的光催化效率。研究了在自然环境下，在紫外光或阳光下，自然界中亚甲基蓝（MB）与草酸/草酸/ H 2 O 2 共存的光降解作用。考察了水垢含量，草酸根离子，H 2 O 2 和MB浓度等影响因素。发现染料分解速率随粉碎机数量的增加而增加，达到最大，然后随着粉碎机浓度的增加而降低。分解速率随染料浓度的增加而降低。与工厂规模/草酸体系相比，工厂规模/ H 2 O 2 观察到的染料降解速度更快。发现工厂规模的光催化性能（固体废物）是降解染料（液体废物）的有趣替代方法。

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