Removal of Pesticides from Water by Adsorption on Activated Carbon Prepared from Invasive Plants

IF 3 4区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Water, Air, & Soil Pollution Pub Date : 2024-10-30 DOI:10.1007/s11270-024-07582-8

Tereza Motúzová, Ivan Koutník, Martina Vráblová

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Abstract

Pesticide pollution of surface water is a serious global problem. This research was focused on the monitoring of pesticides in surface waters and their subsequent removal using adsorption on activated carbon (AC). Based on the monitoring, four pesticides—acetamiprid, diethyltoluamide, thiacloprid and thiamethoxam—occurred in higher concentrations in all sampling points. Invasive plants occurring near monitored water bodies, Reynoutria japonica (RJ) and Impatiens glandulifera (IG) were used for the preparation of activated carbon with an activating agent (H₃PO₄ and NaOH) using microwave pyrolysis. The prepared AC was subsequently used for adsorption of the above-mentioned pesticides. The prepared AC was characterized by Brunauer–Emmett–Teller analysis, elemental analysis, Fourier transform infrared spectroscopy and scanning electron microscopy. Individual AC types showed different effects for different pesticides. The maximum adsorption capacity calculated from the Langmuir model was 18.30 mg g⁻¹ for thiacloprid on H₃PO₄-activated AC from I. glandulifera.

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用入侵植物制备的活性炭吸附去除水中的农药

地表水的农药污染是一个严重的全球性问题。这项研究的重点是监测地表水中的农药，并利用活性炭（AC）的吸附作用去除农药。根据监测结果，四种农药--啶虫脒、乙酰甲胺磷、噻虫啉和噻虫嗪--在所有采样点的浓度都较高。利用监测水体附近的入侵植物 Reynoutria japonica (RJ) 和 Impatiens glandulifera (IG)，采用微波热解法制备活性炭，并加入活化剂（H3PO4 和 NaOH）。制备的活性炭随后用于吸附上述农药。制备的活性炭通过布鲁瑙尔-艾美特-泰勒分析、元素分析、傅立叶变换红外光谱和扫描电子显微镜进行了表征。不同类型的 AC 对不同的农药表现出不同的效果。根据 Langmuir 模型计算，噻虫啉在 H3PO4 活化的 I. glandulifera AC 上的最大吸附容量为 18.30 mg g-1。

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来源期刊

Water, Air, & Soil Pollution 环境科学-环境科学

CiteScore

4.50

自引率

6.90%

发文量

448

审稿时长

2.6 months

期刊介绍： Water, Air, & Soil Pollution is an international, interdisciplinary journal on all aspects of pollution and solutions to pollution in the biosphere. This includes chemical, physical and biological processes affecting flora, fauna, water, air and soil in relation to environmental pollution. Because of its scope, the subject areas are diverse and include all aspects of pollution sources, transport, deposition, accumulation, acid precipitation, atmospheric pollution, metals, aquatic pollution including marine pollution and ground water, waste water, pesticides, soil pollution, sewage, sediment pollution, forestry pollution, effects of pollutants on humans, vegetation, fish, aquatic species, micro-organisms, and animals, environmental and molecular toxicology applied to pollution research, biosensors, global and climate change, ecological implications of pollution and pollution models. Water, Air, & Soil Pollution also publishes manuscripts on novel methods used in the study of environmental pollutants, environmental toxicology, environmental biology, novel environmental engineering related to pollution, biodiversity as influenced by pollution, novel environmental biotechnology as applied to pollution (e.g. bioremediation), environmental modelling and biorestoration of polluted environments. Articles should not be submitted that are of local interest only and do not advance international knowledge in environmental pollution and solutions to pollution. Articles that simply replicate known knowledge or techniques while researching a local pollution problem will normally be rejected without review. Submitted articles must have up-to-date references, employ the correct experimental replication and statistical analysis, where needed and contain a significant contribution to new knowledge. The publishing and editorial team sincerely appreciate your cooperation. Water, Air, & Soil Pollution publishes research papers; review articles; mini-reviews; and book reviews.