WRRC 2024 Fall Seminar

September 20, 2:00pm - 3:00pm
Mānoa Campus, Zoom Meeting

Salinity and Irrigation Water Reuse in Coastal Communities: Source Mitigation Strategies and Treatment Processes

by Dr. Tao Yan

High salinity in reclaimed water is a common phenomenon in coastal communities and is inhibitive to certain water reuse applications, in particular agricultural and landscape irrigation. The salt introduction can happen at multiple points of the wastewater lifecycle, including source water, drinking water treatment, wastewater generation (domestic and industrial), and wastewater collection. Once in the wastewater, treatment options for salt removal are very limited and costly, which hinders the economic feasibility of irrigation reuse. This talk will discuss the different wastewater salt sources for coastal areas, salt source mitigation strategies, treatment processes for salt removal, and research needs in these respective areas.

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