Index Catalog // ScholarsArchive@OSU

Correlation of NE 1545 expression and cell size in Nitrosomonas europaea exposed to a suite of aromatic hydrocarbons

Creator:: Gilroy, Caslin Anne
Abstract:: Ammonia oxidizing bacteria, including Nitrosomonas europaea, are inhibited by aromatic hydrocarbons which can be found in wastewater treatment plants. In recent studies, changes have been observed in N. europaea cell size upon exposure to benzene, but not toluene. Additionally, NE 1545, a gene proposed to be involved in fatty acid...
Resource Type:: Honors College Thesis
Full Text:: Ammonia-oxidizing bacteria (AOB) are a group of bacteria that

The effect of coagulation conditions on floc size distribution and morphology : implications for downstream treatment processes

Creator:: Maguire, Ian R.
Abstract:: Coagulation and flocculation are commonly used in drinking water treatment as a means of destabilizing and aggregating particles and promoting adsorption of dissolved organic carbon (DOC). In practice, jar tests are used to determine optimal conditions for the removal of turbidity and DOC. However, beyond the inferences that can be...
Resource Type:: Masters Thesis
Full Text:: : Implications for Downstream Treatment Processes. Abstract approved: Jeffrey A. Nason

Quantitative determination of emerging contaminants, solvent stabilizers and fullerene nanomaterials, in biological and environmental systems

Creator:: Isaacson, Carl W.
Abstract:: To determine the impact of emerging environmental contaminants on human and environmental health, quantitative analytical methods are required. Analysis of emerging contaminants is hampered by their widely varying physical-chemical properties. Therefore quantitative analytical methods must be developed to determine the behavior of emerging contaminants in environmental systems. A quantitative analytical...
Resource Type:: Dissertation
Full Text:: Fullerene Nanomaterials, in Biological and Environmental Systems. APPROVED : Jennifer A. Field To

Co-treatment of Municipal Wastewater and Landfill Leachate in an Activated Sludge Sequencing Batch Reactor

Creator:: Bushee, Gavin A.
Abstract:: A year-long bench-scale treatability study was performed to assess the feasibility of using an activated sludge sequencing batch reactor (SBR) to treat a mixture of domestic wastewater and landfill leachate. A 50/50 (v/v) of domestic wastewater and landfill leachate was treated in a 1 L SBR operated on a 12...
Resource Type:: Masters Thesis
Full Text:: me share what I’ve learned to others. My appreciation also goes to Dr. Mark Dolan who served as a

Synthesis of nano-sized silicon nitride powder in microchannel reactors

Creator:: Hirayama, Michiru
Abstract:: Four types of microchannel reactors were built, using a combination of smallest alumina-tubes commercially available, for testing the feasibility of applying high-temperature microchannel reactors to the ammonolysis of SiO for producing nano-sized silicon nitride powder. The innermost tube used for feeding SiO vapor had an inner diameter (ID) of about...
Resource Type:: Masters Thesis
Full Text:: : Shoichi Kimura Four types of microchannel reactors were built, using a combination of smallest

Life Cycle Assessment of Biomass for Generation of energy : Case Studies of Poplar Management in the Pacific Northwest of the U.S.A.

Creator:: Vasquez Sandoval, Marcia A.
Abstract:: A Life Cycle Assessment (LCA) of the production of poplar biomass grown under four management conditions in the Pacific Northwest (PNW) of the U.S.A. was conducted. While the extraction of fossil fuels and the subsequent generation of energy have environmental impacts, the alternative of extracting poplar biomass also has impacts...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Marcia A. Vasquez Sandoval for the degree of Doctor of

Effect of Landfill Leachate Pretreatment and SBR Operational Parameters on Nitrification Efficiency and Activated Sludge Microbial Populations

Creator:: Miller, Kierstin M.
Abstract:: A year-long, bench-scale treatability study was performed to assess whether an activated sludge sequencing batch reactor could be used to treat an influent stream of 50/50 (v/v) municipal wastewater and landfill leachate to discharge standards established by the Oregon Department of Environmental Quality. One primary obstacle that was exposed during...
Resource Type:: Masters Thesis

The effect of silver ions and nanoparticles on biofilms and planktonic cultures of Nitrosomonas europaea

Creator:: Giska, Jonathan R.
Abstract:: Due to the effective antimicrobial properties of silver nanoparticles they represent a significant proportion of all consumer-‐related nanomaterials. The introduction of silver nanoparticles from these products into domestic and industrial wastewater streams poses potential complications for biological treatment systems. A critical component of biological treatment that is extremely sensitive to...
Resource Type:: Masters Thesis
Full Text:: represent a significant proportion of all consumer-‐related nanomaterials. The

Reverse osmosis membranes fouling by biopolymers in wastewater secondary effluent and membrane cleaning

Creator:: Xu, Zhihua
Abstract:: Reverse osmosis (RO) is being increasingly used in treatment of domestic wastewater secondary effluent for potable and non-potable reuse. Among other foulants, dissolved biopolymers, i.e., proteins and polysaccharides, can lead to severe fouling of RO membranes. In this study, the roles of RO membrane surface properties in membrane fouling by...
Resource Type:: Masters Thesis
Full Text:: investigated. Three commercial RO membranes with different surface properties were tested in a laboratory

Kinetic and molecular effects of sulfate reduction on a dechlorinating culture under chemostat growth conditions

Creator:: Berggren, Dusty Rose V.
Abstract:: Chlorinated ethenes are common groundwater contaminants that may be treated through in-situ bioremediation. Relationships between the reducing environment, available electron donors and acceptors, reaction kinetics, and microbial community composition must be further understood to successfully engineer remediation schemes in the complex subsurface environment. This thesis work investigated the effect of...
Resource Type:: Masters Thesis
Full Text:: . Title: Kinetic and Molecular Effects of Sulfate Reduction on a Dechlorinating Culture under Chemostat

ScholarsArchive@OSU

Correlation of NE 1545 expression and cell size in Nitrosomonas europaea exposed to a suite of aromatic hydrocarbons

The effect of coagulation conditions on floc size distribution and morphology : implications for downstream treatment processes

Quantitative determination of emerging contaminants, solvent stabilizers and fullerene nanomaterials, in biological and environmental systems

Co-treatment of Municipal Wastewater and Landfill Leachate in an Activated Sludge Sequencing Batch Reactor

Synthesis of nano-sized silicon nitride powder in microchannel reactors

Life Cycle Assessment of Biomass for Generation of energy : Case Studies of Poplar Management in the Pacific Northwest of the U.S.A.

Effect of Landfill Leachate Pretreatment and SBR Operational Parameters on Nitrification Efficiency and Activated Sludge Microbial Populations

The effect of silver ions and nanoparticles on biofilms and planktonic cultures of Nitrosomonas europaea

Reverse osmosis membranes fouling by biopolymers in wastewater secondary effluent and membrane cleaning

Kinetic and molecular effects of sulfate reduction on a dechlorinating culture under chemostat growth conditions

Limit your search

Academic Affiliation

Advisor

Commencement Year

Committee Member

Creator

Contributor

Date

Decade

Degree Field

Degree Level

Degree Name

File Format

Language

License

Non-Academic Affiliation

Peer Reviewed

Resource Type

Rights Statement

Subject

Search Constraints

Search Results

Limit your search