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I am currently a senior at Ward Melville High School. During sophomore year, I researched the impact of nitrogen and phosphorus in the Long Island Sound on the growth of harmful algal blooms. At the end of my junior year, I joined Dr. Xinwei Mao’s research team at Stony Brook University to explore how different factors affect pathogen removal efficiency in onsite wastewater treatment systems under the supervision of Dr. Xinwei Mao and Dr. Mian Wang.
Conventional onsite wastewater treatment systems (OWTSs) could potentially contribute to the transmission of infectious diseases caused by waterborne pathogenic microorganisms and become an important human health concern, especially in the areas where OWTSs are used as the major wastewater treatment units. Although previous studies suggested the OWTSs could reduce chemical pollutants as well as effectively reducing microbial contaminants from onsite wastewater, the microbiological quality of effluents and the factors potentially affecting the removal are still understudied. Therefore, the design and optimization of pathogen removal performance necessitate a better mechanistic understanding of the hydrological, geochemical, and biological processes controlling the water quality in OWTSs. To fill the knowledge gaps, the sources of pathogens and common pathogenic indicators, along with their major removal mechanisms in OWTSs were discussed. This review evaluated the effectiveness of pathogen removal in state-of-art OWTSs and investigated the contributing factors for efficient pathogen removal (e.g., system configurations, filter materials, environmental and operational conditions), with the aim to guide the future design for optimized treatment performance.
Mian Wang; Julia Zhu; Xinwei Mao. Removal of Pathogens in Onsite Wastewater Treatment Systems: A Review of Design Considerations and Influencing Factors. Water 2021, 13, 1190 .
AMA StyleMian Wang, Julia Zhu, Xinwei Mao. Removal of Pathogens in Onsite Wastewater Treatment Systems: A Review of Design Considerations and Influencing Factors. Water. 2021; 13 (9):1190.
Chicago/Turabian StyleMian Wang; Julia Zhu; Xinwei Mao. 2021. "Removal of Pathogens in Onsite Wastewater Treatment Systems: A Review of Design Considerations and Influencing Factors." Water 13, no. 9: 1190.