Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 8 of 8 for “"microbial contaminants"”.
-
Occurrence and Control of Microbial Contaminants of Emerging Concern through the Urban Water Cycle: Molecular Profiling of Opportunistic Pathogens and Antibiotic Resistance
… climate change, limiting the dissemination of microbial contaminants of emerging concern (MCECs) is of the utmost importance for the protection of public health. In this dissertation, two important subsets of MCECs, opportunistic pathogens (OP) and antibiotic resistant genes (ARG), are studied …
-
Microbial contaminant removal and alternative nitrogen removal pathways in denitrifying bioreactors
… in conjunction with the removal of faecal microbial contaminants. The objectives of this research were: (1) to assess how well denitrifying bioreactors can remove microbial contaminant loads from wastewater and (2) to assess the potential role of alternative N removal pathways, namely …
-
Predicting and Equipping Private Well Owners at Risk of Microbial Contamination After Flooding Events in the Alabama Black Belt
… Although groundwater is generally low in contaminants, septic system failures due to soil conditions combined with flooding from frequent storms have created a groundwater quality epidemic in the Black Belt region of Alabama.Floodwater can infiltrate wells for extended periods, potentially …
-
Effect of pH and Temperature on Halogenated DBPs
… advances in the 20th century which inactivates microbial contaminants in drinking water. Disinfection byproducts (DBPs) are a group of chemical compounds formed from the reaction between natural organic matter and chemical disinfectants. The formation of DBPs in drinking water has caused serious …
-
Groundwater quality assessment in the Ngaka Modiri Molema District using the Water Quality Index
… from Class I to the unacceptable Class V when microbial contaminants were included in the evaluation, placing 51.1% of the boreholes in Class V. For livestock purposes, the majority of the boreholes (90%) had a WQI rating of Class I. The majority of the boreholes (66.7%) were classified as …
-
Modeling fate and transport of Cryptosporidium parvum and rotavirus in overland flow
… outbreaks are resulted due to the presence of microbial pathogens in drinking water. Cryptosporidium parvum (C. parvum) has been recognized as one of the most frequently occurring microbial contaminants that can cause infection and diarrhea in many mammalian hosts, including humans. About …
-
Impact of Silvicultural Activities on Water Quality in the Thathe Vondo Forest Plantation, Limpopo Province, South Africa
… over its persistence, possible runoff, and other contaminants in the soil and water systems have surfaced. This study aimed to evaluate the amounts of glyphosate, aminomethylphosphonic acid (AMPA), heavy metals, microbial contamination, and assess the health risks linked to their concentrations in …
-
The Effectiveness of Point-of-Use Treatment in Improving Home Drinking Water Quality in Rural Households
… be uniquely susceptible to environmental contaminants. The goal of this research was to examine point-of-use (POU) treatment options that can be used by individuals to improve their drinking water quality and reduce exposure to common contaminants prior to consumption. Two drops (~0.10 mL) …