紫花蒿介导的氧化锌纳米颗粒用于纺织染料处理:一种绿色和可持续的方法

IF 1.6 Q3 WATER RESOURCES
Juhi Puthukulangara Jaison, Joseph Kadanthottu Sebastian
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引用次数: 1

摘要

纺织废水是水体污染的主要原因之一,引起了水体及其周围居民的严重关注。缺乏更安全的生物处理方法是这些废水处理的一个主要问题。本文研究了利用星形蒿叶提取物辅助氧化锌纳米颗粒(ZnO-NPs)降解纺织染料的方法。利用光谱学、x射线衍射和显微分析对合成的纳米氧化锌(ZnO-NPs)进行了确证。本研究利用了目前广泛使用的主要纺织染料,活性黄-145 (RY-145)、活性红-120 (RR-120)、活性蓝-220 (RB-220)和活性蓝- 222a (RB-222A),这些染料是偶然或由于缺乏经济、可靠和环保的降解方法而释放的,因此在处理前防止排放是非常必要的。生物合成的ZnO-NPs是还原这些染料的最佳催化剂,其吸光度最大值逐渐降低。紫外线照射320 min后,ZnO-NPs对RY-145、RR-120、RB-220和RB-222A染料的降解率分别为99%、95%、94%和45%。在两个营养水平上进行的植物毒性研究表明,黄芪介导的ZnO-NPs具有降解纺织染料的巨大潜力,可以大规模处理。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Artemisia stelleriana-mediated ZnO nanoparticles for textile dye treatment: a green and sustainable approach
Textile effluents being one of the major reasons for water pollution raises major concern for water bodies and the habitation surrounding them. The lack of biologically safer treatment solutions creates a major concern for the disposal of these effluents. The present study focuses on the degradation of textile dyes using leaf extract of Artemisia stelleriana-assisted nanoparticles of zinc oxide (ZnO-NPs). Nanoparticles of zinc oxide (ZnO-NPs) synthesized were confirmed using spectroscopic, X-ray diffraction and microscopic analysis. The current research utilizes widely used major textile dyes, Reactive Yellow-145 (RY-145), Reactive Red-120 (RR-120), Reactive Blue-220 (RB-220) and Reactive Blue-222A (RB-222A), which are released accidentally or due to the non-availability of cost-efficient, dependable and environment-friendly degradation methods, making this work a much-needed one for preventing the discharge before treatment. The biosynthesized ZnO-NPs were top-notch catalysts for the reduction of these dyes, which is witnessed by a gradual decrease in absorbance maximum values. After 320 min, ZnO-NPs under UV light exposure showed 99, 95, 94 and 45% degradations of RY-145, RR-120, RB-220 and RB-222A dyes, respectively. The phytotoxicity study conducted at two trophic levels revealed that the A. stellariana-mediated ZnO-NPs have great potential for the degradation of textile dyes, allowing them to be scaled up to large-scale treatments.
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来源期刊
CiteScore
2.30
自引率
6.20%
发文量
136
审稿时长
14 weeks
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