Date of Award:

12-2020

Document Type:

Thesis

Degree Name:

Master of Science (MS)

Department:

Civil and Environmental Engineering

Committee Chair(s)

R. Ryan Dupont

Committee

R. Ryan Dupont

Committee

Joan E. McLean

Committee

Randal Martin

Abstract

Twelve commonly used pharmaceuticals and personal care products (PPCPs)(acetaminophen, β-Estradiol, caffeine, carbamazepine, DEET, estrone, gemfibrozil, triclosan, TCEP, sulfamethoxazole, progesterone, fluoxetine) were investigated to determine their fate in biosolids. These compounds were selected due to their wide usage, and varying properties, that makes them representative of many other PPCPs.

Commonly used PPCPs (caffeine commonly found in tea, coffee, chocolate and soda, the pain reliever acetaminophen, and the pesticide DEET) were detected in high amounts in the influent of the Hyrum WWTP and Wellsville sewage lagoons. Although conventional WWTPs are not designed to remove PPCPs from wastewater, some PPCPs, such as acetaminophen, caffeine and DEET, were removed from the wastewater while other PPCPs persisted in the effluent and biosolids.

The application of biosolids to land as fertilizer could introduce PPCPs into the soil, which may be bioavailable to soil flora and fauna. In this study, two solid stabilization processes were investigated to determine their effect on PPCPs removal from biosolids. Composting proved to be an effective option for removing PPCPs from biosolids.

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