Microbial communities in an anaerobic membrane bioreactor (AnMBR) treating domestic wastewater at ambient temperatures in a temperate climate

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dc.contributor.author Penfield, Tyler
dc.date.accessioned 2017-11-13T22:52:17Z
dc.date.available 2017-11-13T22:52:17Z
dc.date.issued 2017-12-01 en_US
dc.identifier.uri http://hdl.handle.net/2097/38197
dc.description.abstract The ever-increasing demand for water, food, and energy and the simultaneous diminishment of our planets’ ecosystems wrought by humans have prompted a more sustainable approach to engineering the built environment. Wastewater treatment systems stand at the interface that connects the built and natural environment where potential solutions for resource and environmental issues exist. Wastewater treatment technologies can address issues involving water, food, energy, and environmental regulation when resources are properly captured from the wastewater while it’s being treated. This way of thought allows wastewater to be perceived as a source of valuable products rather than an obligate waste stream. For this reason, anaerobic wastewater treatment is progressively being considered because of its ability to improve energy and resource recovery, while reducing costs and environmental impacts associated with conventional domestic wastewater treatment. More specifically, anaerobic membrane bioreactors (AnMBRs) hold promise to effectively treat wastewater at low temperatures with low energy and nutrient requirements, low sludge production, while having the benefit of generating methane-rich biogas suitable as an energy source and the potential to capture nutrients used to fertilize cropland. But, at low temperatures the microbial communities that control anaerobic digestion (AD) face biochemical obstacles. Elucidating the microbial community dynamics within AnMBRs with respect to seasonal temperatures will give insight on how to efficiently operate AnMBRs with the goal of energy-neutral wastewater treatment. DNA based tools such as advanced high-throughput sequencing was coupled with AnMBR process data to explicate the mechanism of methane production in the suspended biomass of an AnMBR from a mesophilic startup leading into psychrophilic conditions, and then returning to mesophilic temperatures. en_US
dc.description.sponsorship Environmental Security Technology Certification Program, Kansas State University Civil Engineering Department en_US
dc.language.iso en_US en_US
dc.publisher Kansas State University en
dc.subject Environmental engineering en_US
dc.subject Wastewater treatment en_US
dc.subject AnMBR en_US
dc.subject Ambient temperature en_US
dc.subject Bioreactor en_US
dc.subject Biotechnology en_US
dc.title Microbial communities in an anaerobic membrane bioreactor (AnMBR) treating domestic wastewater at ambient temperatures in a temperate climate en_US
dc.type Thesis en_US
dc.description.degree Master of Science en_US
dc.description.level Masters en_US
dc.description.department Department of Civil Engineering en_US
dc.description.advisor Prathap Parameswaran en_US
dc.date.published 2017 en_US
dc.date.graduationmonth December en_US

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