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Articles 1 - 5 of 5
Full-Text Articles in Physical Sciences and Mathematics
New N-Nitrosodimethylamine (Ndma) Precursors That React With Ozone: Implications For Water Reuse, Erica Marti, Aleks Pisarenko, Eric Dickenson
New N-Nitrosodimethylamine (Ndma) Precursors That React With Ozone: Implications For Water Reuse, Erica Marti, Aleks Pisarenko, Eric Dickenson
College of Engineering: Graduate Celebration Programs
Ozonation is a promising treatment step for water reuse. Compared to the “gold standard” with reverse osmosis and advanced oxidation, ozone requires less energy and does not result in a waste brine. This makes ozone more cost-effective. However, the formation of nitrosamines may be a significant barrier to the use of ozonation in water reuse applications, particularly for potable reuse.
Century Wide Hydrologic Trends And Shifts In Colorado River Basin, Soumya Sagarika, Ajay Kalra, Sajjad Ahmad
Century Wide Hydrologic Trends And Shifts In Colorado River Basin, Soumya Sagarika, Ajay Kalra, Sajjad Ahmad
College of Engineering: Graduate Celebration Programs
To evaluate the long-term trends and step (abrupt change) changes in three hydrologic variables: temperature, precipitation, and streamflow over a century wide time frame in Colorado River Basin.
Owners’ Satisfaction Level With The Use Of Alternative Project Delivery Methods In Water And Wastewater Infrastructures, Pramen Shrestha, Jacimaria R. Batista
Owners’ Satisfaction Level With The Use Of Alternative Project Delivery Methods In Water And Wastewater Infrastructures, Pramen Shrestha, Jacimaria R. Batista
College of Engineering: Graduate Celebration Programs
In 2013, the American Society of Civil Engineers (ASCE) Report Card for America’s Infra-structure stated that the US needs up to $1.3 trillion in capital investments to replace the aging water pipes and repair the wastewater infrastructures. It is further believed by the industry that the streamlined approach of alternative project delivery methods, such as Design-Build (DB), and Construction Manager At-Risk (CMAR) helps ensure the economical and timely design and construction of the water and wastewater infrastructures.
Modeling Passive Solar Distillation In Las Vegas, Nv, Noe I. Santos
Modeling Passive Solar Distillation In Las Vegas, Nv, Noe I. Santos
College of Engineering: Graduate Celebration Programs
Project Background
• Many rural areas on the planet do not have easy access to clean water!
• Water distillation basins are capable of distilling water by using incident solar radiation to evaporate polluted water.
• Current thermodynamic models used to predict behavior require instantaneous data; requires the use of expensive equipment.
• Distillation basins are dependent on multiple meteorological variables: insolation, temperature, wind speed, cloud cover.
• Non‐linear behavior is difficult to predict for long term operations.
Impact Of Sludge Treatment Processes On Estrogen Concentration In Wastewater Sludge, Erica Marti
Impact Of Sludge Treatment Processes On Estrogen Concentration In Wastewater Sludge, Erica Marti
College of Engineering: Graduate Celebration Programs
Endocrine-disrupting compounds (EDCs), such as estrogen, are known to be present in the aquatic environment at concentrations that affect fish and other wildlife. For example, juvenile male fish exposed to estrogen will synthesize vitellogenin, which is a female-specific protein. Estrogen exposure is also linked to sex reversal, intersexuality, and inhibition of gonadal growth (Jobling et al., 1996).
Wastewater treatment plants are major contributors of EDCs into the environment. EDCs end up in wastewater as a result of natural excretion from the body or being washed off the skin. WWTPs are not designed to remove these substances. As a result, EDCs …