Simultaneous removal of pharmaceuticals and personal care products and nutrient using a two-stage denitrifying bioreactor - biochar adsorption system
Zhou, Hongxu
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Zhou_Hongxu_ECEC24.pdf
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https://hdl.handle.net/2142/122958
Description
Title
Simultaneous removal of pharmaceuticals and personal care products and nutrient using a two-stage denitrifying bioreactor - biochar adsorption system
Author(s)
Zhou, Hongxu
Issue Date
2024-04-25
Keyword(s)
PPCPs
pharmaceuticals and personal care products
nutrients
Date of Ingest
2024-05-02T15:58:33-05:00
Abstract
The presence of nutrients and pharmaceuticals and personal care products (PPCPs) in the environment contributes to the degradation of water resources. This study explored the feasibility of a low-cost treatment system for simultaneous removal of nutrients and PPCPs from stormwater. We designed a series of denitrifying (woodchip) bioreactors equipped with secondary biochar adsorption systems and investigated the synergistic benefits of these treatment systems to remove excess nutrients and PPCP contaminants. We examine the effects of hydraulic retention times (HRTs: 1h, 12h, and 24h), biochar sizes (<1cm vs 2~3 cm), and continuous challenging operation (45 days) to get a better understanding of the performance of the systems. We also investigated the potential effects of PPCPs on nutrient removal efficiency in these systems. Finally, life cycle assessment (LCA) and techno-economic analysis (TEA) were conducted to understand the environmental impact and economic feasibility of our proposed work.
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Zhou_Hongxu_ECEC24.pdf