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Articles 1 - 4 of 4
Full-Text Articles in Physical Sciences and Mathematics
Recent Advancements In The Removal Of Cyanotoxins From Water Using Conventional And Modified Adsorbents—A Contemporary Review, Tauqeer Abbas, George William Kajjumba, Meena Ejjada, Sayeda Ummeh Masrura, Erica J. Marti, Eakalak Khan, Tammy L. Jones-Lepp
Recent Advancements In The Removal Of Cyanotoxins From Water Using Conventional And Modified Adsorbents—A Contemporary Review, Tauqeer Abbas, George William Kajjumba, Meena Ejjada, Sayeda Ummeh Masrura, Erica J. Marti, Eakalak Khan, Tammy L. Jones-Lepp
Civil and Environmental Engineering and Construction Faculty Research
The prevalence of cyanobacteria is increasing in freshwaters due to climate change, eutrophication, and their ability to adapt and thrive in changing environmental conditions. In response to various environmental pressures, they produce toxins known as cyanotoxins, which impair water quality significantly. Prolonged human exposure to cyanotoxins, such as microcystins, cylindrospermopsin, saxitoxins, and anatoxin through drinking water can cause severe health effects. Conventional water treatment processes are not effective in removing these cyanotoxins in water and advanced water treatment processes are often used instead. Among the advanced water treatment methods, adsorption is advantageous compared to other methods because of its affordability …
Design Aspects, Energy Consumption Evaluation, And Offset For Drinking Water Treatment Operation, Saria Bukhary, Jacimaria Batista, Sajjad Ahmad
Design Aspects, Energy Consumption Evaluation, And Offset For Drinking Water Treatment Operation, Saria Bukhary, Jacimaria Batista, Sajjad Ahmad
Civil and Environmental Engineering and Construction Faculty Research
Drinking water treatment, wastewater treatment, and water distribution are energy-intensive processes. The goal of this study was to design the unit processes of an existing drinking water treatment plant (DWTP), evaluate the associated energy consumption, and then offset it using solar photovoltaics (PVs) to reduce carbon emissions. The selected DWTP, situated in the southwestern United States, utilizes coagulation, flocculation, sedimentation, filtration, and chlorination to treat 3.94 m3 of local river water per second. Based on the energy consumption determined for each unit process (validated using the plant’s data) and the plant’s available landholding, the DWTP was sized for solar PV …
Techno-Economic Analysis Of Electrocoagulation On Water Reclamation And Bacterial/Viral Indicator Reductions Of A High-Strength Organic Wastewater—Anaerobic Digestion Effluent, Sibel Uludag-Demirer, Nathan Olson, Rebecca Ives, Jean Pierre Nshimyimana, Cory A. Rusinek, Joan B. Rose, Wei Liao
Techno-Economic Analysis Of Electrocoagulation On Water Reclamation And Bacterial/Viral Indicator Reductions Of A High-Strength Organic Wastewater—Anaerobic Digestion Effluent, Sibel Uludag-Demirer, Nathan Olson, Rebecca Ives, Jean Pierre Nshimyimana, Cory A. Rusinek, Joan B. Rose, Wei Liao
Chemistry and Biochemistry Faculty Research
This study investigated the use of iron and aluminum and their combinations as electrodes to determine the technically sound and economically feasible electrochemical approach for the treatment of anaerobic digestion effluent. The results indicated that the use of iron as anode and cathode is the most suitable solution among different electrode combinations. The reduction of turbidity, total chemical oxygen demand, total phosphorus, total coliforms, Escherichia coli, Enterococci, and phages in the reclaimed water were 99%, 91%, 100%, 1.5 log, 1.7 log, 1.0 log, and 2.0 log, respectively. The economic assessment further concluded that the average treatment cost is $3 per …
The Impact Of Advanced Treatment Technologies On The Engery Use In Satellite Water Reuse Plants, Jonathan R. Bailey, Sajjad Ahmad, Jacimaria Batista
The Impact Of Advanced Treatment Technologies On The Engery Use In Satellite Water Reuse Plants, Jonathan R. Bailey, Sajjad Ahmad, Jacimaria Batista
Civil and Environmental Engineering and Construction Faculty Research
With an ever-increasing world population and the resulting increase in industrialization and agricultural practices, depletion of one of the world’s most important natural resources, water, is inevitable. Water reclamation and reuse is the key to protecting this natural resource. Water reclamation using smaller decentralized wastewater treatment plants, known as satellite water reuse plants (WRP), has become popular in the last decade. Reuse plants have stricter standards for effluent quality and require a smaller land footprint (i.e., real estate area). They also require additional treatment processes and advanced treatment technologies. This greatly increases the energy consumption of an already energy intensive …