利用秋葵茎秆绿色合成氧化锌和掺镍氧化锌,用于光催化降解 Procion Red MX-5B。

IF 3.4 4区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES
Sabit Horoz, Ceren Orak, Emre Biçer
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引用次数: 0

摘要

本研究通过一种绿色合成方法,利用从秋葵茎秆中提取的氧化锌和掺杂镍的氧化锌催化剂,研究了 Procion Red MX-5B (PRM) 的光催化降解。系统研究了各种参数,包括过氧化氢浓度(HPC)、催化剂用量、掺镍量、PRM 初始浓度和 pH 值,以评估它们对 PRM 降解效率的影响。结果表明,氧化锌和掺镍氧化锌催化剂都表现出良好的光催化活性,在以下反应条件下,PRM 降解效率最高:6 mM HPC、40 mg Ni(7%):ZnO 催化剂、10 ppm 初始 PRM 浓度和 pH = 6。在这些条件下,掺镍氧化锌催化剂的降解效率为 98.08%,而氧化锌催化剂的降解效率为 82.99%。该研究强调了这些催化剂在高效去除有机污染物方面的潜力,并就影响其光催化性能的因素提供了宝贵的见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Green synthesis of ZnO and Ni-doped ZnO from okra stalks for the photocatalytic degradation of Procion Red MX-5B.

This study investigates the photocatalytic degradation of Procion Red MX-5B (PRM) using ZnO and Ni-doped ZnO catalysts derived from okra stalks through a green synthesis method. Various parameters, including hydrogen peroxide concentration (HPC), catalyst amount, nickel (Ni) doping amount, initial PRM concentration, and pH, are systematically studied to assess their impact on PRM degradation efficiency. The results reveal that both ZnO and Ni-doped ZnO catalysts exhibit promising photocatalytic activity, with the highest PRM degradation efficiency achieved at the following reaction conditions: 6 mM of HPC, 40 mg of Ni(7%):ZnO catalyst, 10 ppm initial PRM concentration, and pH = 6. Under these conditions, the Ni-doped ZnO catalyst demonstrated a degradation efficiency of 98.08% compared to 82.99% for the ZnO catalyst. The study highlights the potential of these catalysts for efficient organic pollutant removal and provides valuable insights into the factors influencing their photocatalytic performance.

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来源期刊
International Journal of Phytoremediation
International Journal of Phytoremediation 环境科学-环境科学
CiteScore
7.60
自引率
5.40%
发文量
145
审稿时长
3.4 months
期刊介绍: The International Journal of Phytoremediation (IJP) is the first journal devoted to the publication of laboratory and field research describing the use of plant systems to solve environmental problems by enabling the remediation of soil, water, and air quality and by restoring ecosystem services in managed landscapes. Traditional phytoremediation has largely focused on soil and groundwater clean-up of hazardous contaminants. Phytotechnology expands this umbrella to include many of the natural resource management challenges we face in cities, on farms, and other landscapes more integrated with daily public activities. Wetlands that treat wastewater, rain gardens that treat stormwater, poplar tree plantings that contain pollutants, urban tree canopies that treat air pollution, and specialized plants that treat decommissioned mine sites are just a few examples of phytotechnologies.
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