One material, two functions: A dual-mechanistic approach for the removal of persistent and mobile organic micropollutants from drinking water.

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Tác giả: Majid Baghdadi, Ehsan Ranjbar, Aki Sebastian Ruhl

Ngôn ngữ: eng

Ký hiệu phân loại:

Thông tin xuất bản: England : Water research , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 732122

Organic micropollutants (OMP), especially those that are more persistent and mobile due to their physico-chemical properties, are resistant to common water treatment techniques and might reach drinking water. Considering the wide range and different physico-chemical properties of persistent and mobile (PM) substances, the strategic integration of synergistic processes appears as a promising solution for the removal of persistent and mobile substances. In this study, the development of a dual-functional material is explored for synergistic adsorption and catalysis, presenting a dual-mechanistic approach for removing potentially persistent and mobile substances from drinking water. The material was fabricated using waste materials (coffee and aluminum wastes) and tested for removing 23 selected OMP. The results demonstrate that the dual-functional material can both adsorb some target OMP and activate persulfate to oxidize OMP by generating reactive oxygen species (ROS). Recycling of the material in repeated cycles revealed removal of several OMP even in 5th cycle, using 0.5 g/L of the synthesized material, 0.5 mM persulfate and 1 h contact time. Quenching experiments indicated that singlet oxygen (
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