Technical and Economic Assessment of Implementing UV Treatment in Potable Reuse Process Trains

Driven by climate change induced water scarcity, further enhanced by rapid urbanization and population growth, potable water reuse initiatives are gaining interest. Potable reuse involves the indirect or direct use of highly treated municipal wastewater as a municipal drinking water source. Historically, the most commonly installed potable reuse train consisted of microfiltration, reverse osmosis (RO), and ultraviolet (UV) as treatment stages. Today, in many non-coastal geographies, non-RO based alternative advanced water treatment trains such as ozone-biological activated carbon (BAC) are being evaluated. UV plays a significant role in potable reuse trains because of its capability to inactivate pathogens up to 6-log. Thus, given the multiple reuse treatment trains where UV plays an essential role, there is a need to minimize the UV energy consumption and maximize the performance depending on the various upstream treatment trains. TO BE CONT’D

Faculty Supervisor:

Ajay Ray




Trojan Technologies


Engineering - chemical / biological


Natural resources




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