利用亚大气等离子体-水相互作用绿色合成高通量过氧化氢。

IF 2 4区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES
Vikas Rathore, Mudtorlep Nisoa, Tanachat Eknapakul, Subash C B Gopinath, Arunsinh B Zala, Vivek Pachchigar, Sabina Yasmin, Worawan Panpipat, Sureeporn Sarapirom, Boonyawan Dheerawan, Sudhir Kumar Nema
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引用次数: 0

摘要

等离子体活化水(PAW)富含活性物质,如过氧化氢(H2O2),为废水处理、消毒、农业和生物医学应用提供了可持续和通用的解决方案。本研究探讨了等离子体处理时间、输入功率、水纯度和腔室压力等关键参数对H2O2生成的影响。采用响应面法(RSM)、回归分析、方差分析、效应估计和边际均值相结合的统计框架对这些影响进行建模和分析。其中,处理时间的影响最显著,其次是水的纯度和输入功率。由于离子缓冲能力降低,去离子水产生较高的H2O2浓度。在优化条件下(3分钟,300瓦,100毫米汞柱),最大H2O2浓度达到35 mg·L -1,能量效率为42.9 g kWh-1。NO3-、NO2-和溶解O3的能量效率分别为73.5、14.7和6 g kWh-1。这些发现为定制特定氧化应用的PAW生产提供了有价值的见解。
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 high throughput hydrogen peroxide via sub-atmospheric plasma-water interaction.

Plasma-activated water (PAW), enriched with reactive species such as hydrogen peroxide (H2O2), presents a sustainable and versatile solution for wastewater treatment, disinfection, agriculture, and biomedical applications. This study investigates the effects of key plasma parameters - treatment time, input power, water purity, and chamber pressure - on H2O2 production. A statistical framework combining response surface methodology (RSM), regression analysis, ANOVA, effect estimation, and marginal means was employed to model and analyze these influences. Among the variables, treatment time had the most significant impact, followed by water purity and input power. Deionised water produced higher H2O2 concentrations due to reduced ion buffering capacity. Under optimised conditions (3 min, 300 W, 100 mmHg), a maximum H2O2 concentration of 35 mg·L⁻¹ was achieved, with an energy efficiency of 42.9 g kWh-1. Additionally, the energy efficiencies for NO3-, NO2-, and dissolved O3 were 73.5, 14.7, and 6 g kWh-1, respectively. These findings provide valuable insights for tailoring PAW production toward specific oxidative applications.

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来源期刊
Environmental Technology
Environmental Technology 环境科学-环境科学
CiteScore
6.50
自引率
3.60%
发文量
0
审稿时长
4 months
期刊介绍: Environmental Technology is a leading journal for the rapid publication of science and technology papers on a wide range of topics in applied environmental studies, from environmental engineering to environmental biotechnology, the circular economy, municipal and industrial wastewater management, drinking-water treatment, air- and water-pollution control, solid-waste management, industrial hygiene and associated technologies. Environmental Technology is intended to provide rapid publication of new developments in environmental technology. The journal has an international readership with a broad scientific base. Contributions will be accepted from scientists and engineers in industry, government and universities. Accepted manuscripts are generally published within four months. Please note that Environmental Technology does not publish any review papers unless for a specified special issue which is decided by the Editor. Please do submit your review papers to our sister journal Environmental Technology Reviews at http://www.tandfonline.com/toc/tetr20/current
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