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使用电氧化工艺从有的洗衣废水中去除纳米塑料

Marthe Kiendrebeogo¹, Yassine Ouarda¹, M R Karimi Estahbanati¹

¹Institut National de La Recherche Scientifique (INRS) - Centre Eau Terre Environnement (ETE), 490 Rue de La Couronne, Québec, (QC), G1K 9A9, Canada.

|September 2, 2023

概括

洗衣废水纳米塑料 (NP) 可以通过电氧化有效降解. 这个过程在40分钟内完全去除NP,利用现有的离子,不留下有毒的副产品.

科学领域:

环境科学环境科学
水处理工程水处理工程
分析化学分析化学

背景情况:

洗衣废水 (LWW) 是进入废水处理厂的微塑料和纳米塑料 (NP) 的重要来源.
关于LWW中NP降解的研究有限,需要有效的治疗策略.

研究的目的:

通过电氧化工艺研究商业LWW中NP的降解.
分析有机化合物的氧化和优化过程参数,以有效地去除NP.

主要方法:

含有NP的LWW的电氧化处理.
用于有机化合物识别的三维激发发射矩阵光分析.
响应表面方法 (RSM) 用于过程参数优化.
使用Daphnia magna.的毒性评估.

主要成果:

在40分钟内实现了完整的NP去除,由LWW中现有的化物离子加速.
在不同治疗时间观察到的类似酸,类似芳香蛋白和类似酸的化合物的氧化.
最初的TOC度对NP降解产生了负面影响;优化条件将能源消耗降到最低.
经过处理的LWW没有对大夫尼亚大的毒性.

结论:

电氧化是一种高效的方法,可以在洗衣废水中完全降解纳米塑料.
该过程有效地去除NP和相关的有机污染物,而不会产生有毒残留物.
优化的电氧化为在洗衣废水中处理纳米塑料提供了可持续的解决方案.

关键词:

降解降解是一种降解.溶解的有机物质是有机物质.在电氧化过程中.洗衣废水的废水是洗衣的废水.优化优化优化优化纳米塑料的纳米塑料

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