Index Catalog // ScholarsArchive@OSU

Aromatic hydrocarbon contaminants : investigations of detection methods, bioremediation strategies, and toxicity impacts

Creator:: Huizenga, Juliana M.
Abstract:: Aromatic hydrocarbons represent a large class of environmental contaminants that have a broad range of structures, physicochemical properties, and toxicities. Arising from the burning of organic matter, particularly fossil fuels, they are both widespread and abundant in all environmental compartments. Both monoaromatic hydrocarbons (BTEX) and polycyclic aromatic hydrocarbons (PAHs) are...
Resource Type:: Dissertation
Full Text:: Environmental Engineering presented on October 19, 2023. Title: Aromatic Hydrocarbon Contaminants

Aerobic Cometabolism of cis-Dichloroethylene, 1,1,1-Trichloroethane, and 1,4-Dioxane by Polyvinyl Alcohol/Sodium Alginate Hydrogel Beads that Co-Entrapped Rhodococcus rhodochrous Strain ATCC 21198 and Slow-Release Growth Substrates: Column Studies

Creator:: Bailey, Kestrel
Abstract:: CisCis-Dichloroethylene (ciscis-DCE), 1,1,1-Trichloroethane (1,1,1-TCA), and 1,4-Dioxane (1,4-D) are chlorinated solvents used as solvents and degreasers in industrial cleaning agents that have become common groundwater contaminants. To develop an effective treatment method for these compounds, polyvinyl alcohol (PVA) and sodium alginate (SA) hydrogel beads were co-entrappcapsulated with Rhodococcus rhodochrous Strain ATCC...
Resource Type:: Masters Thesis
Full Text:: Bailey for the degree of Master of Science in Environmental Engineering presented on June 8, 2023

Anaerobic co-digestion of acid whey and sewage sludge for enhanced renewable energy production

Creator:: Cole, Emerson
Abstract:: Acid whey is the largest byproduct of the dairy industry but to date has few useful applications and is frequently discarded as a result. However, acid whey has a high carbon content, making it a suitable co-substrate for anaerobic co-digestion with raw sewage sludge. The synergistic effect of co-digestion has...
Resource Type:: Honors College Thesis
Full Text:: Science in Environmental Engineering (Honors Scholar) Presented May 23, 2023 Commencement

Addressing the Risks of Nanoscale Polymers: Exposure, Behavior, and Toxicity

Creator:: Stine, Jared
Abstract:: Nanoscale polymers (including nanoplastics) are widely present through commerce and make their way into the environment. As the improper disposal of plastic waste leads to continued accumulation and degradation of plastic pollution, the presence of plastic particles less than 1 micron (μm) in size (nanoplastics) will increase. Heightened concern over...
Resource Type:: Dissertation
Full Text:: Stine for the degree of Doctor of Philosophy in Environmental Engineering presented on April 26, 2023

Evaluation in a Physical Aquifer Model the Long-Term Performance of a Permeable Reactive Bio-Barrier Packed with Co-encapsulated Gellan Gum Beads for the Bioremediation of Chlorinated Compounds and Co-Contaminants

Creator:: Wortkoetter, Jacob
Abstract:: Chlorinated solvents are a class of widespread groundwater contaminants that are toxic, carcinogenic, and difficult to remediate at low concentrations. 1,4-dioxane, a suspected carcinogen, is often a co-contaminant found in mixtures of chlorinated solvent plumes. In-situ bioremediation methods of degrading these chemicals through aerobic cometabolism have shown promise. Permeable Reactive...
Resource Type:: Masters Thesis
Full Text:: Wortkoetter for the degree of Master of Science in Environmental Engineering presented on August 29, 2022

Aerobic Cometabolism of 1,4-Dioxane and cis-Dichloroethylene by Gellan Gum and Polyvinyl Alcohol/Sodium Alginate Hydrogel Beads Co-Encapsulated with Rhodococcus rhodochrous Strain ATCC 21198 and Slow-Release Growth Substrates: Batch, Column, and Toxicity Studies

Creator:: Conway, Sean P.
Abstract:: 1,4-Dioxane (dioxane) and cis-dichloroethylene (cDCE) are compounds commonly found in industrial cleaning and degreasing agents that are frequently present as groundwater contaminants. In an effort to develop a more effective treatment method for these compounds, hydrogel beads were fabricated with either gellan gum or a combination of polyvinyl alcohol (PVA)...
Resource Type:: Masters Thesis
Full Text:: degree of Master of Science in Environmental Engineering presented on June 7, 2022. Title: Aerobic

Waste Heat Recovery Using Thermochemical Energy Storage

Creator:: Walker, Irene
Abstract:: Industrial waste heat composed of saturated liquid water can be redirected to charge a thermochemical energy storage (TCES) system. This energy can be stored long-term in the inherently energy-dense chemical bonds and used for space heating. Initial reactor scale cycling experiments were conducted in tandem with TCES material improvements. Hydration...
Resource Type:: Honors College Thesis
Full Text:: degree of Honors Baccalaureate of Science in Environmental Engineering (Honors Scholar

Anaerobic Co-Digestion of Municipal Sludge and Fats, Oils, and Greases: Effects on Digester Performance and Microbial Community Dynamics

Creator:: Berninghaus, Ashley E.
Abstract:: The natural production of methane via anaerobic digestion (AD) is facilitated by a complex community of microorganisms, primarily bacteria and archaea, referred to as the AD microbiome. AD is growing in prominence as a solution to the disposal of food waste, sewage sludge, and the organic fraction of municipal solid...
Resource Type:: Dissertation
Full Text:: Elizabeth Berninghaus for the degree of Doctor of Philosophy in Environmental Engineering presented on May

Ultrafiltration Membrane Fouling in Side-stream Aerobic Granular Sludge Membrane Bioreactor

Creator:: Yang, Zhengjian
Abstract:: The integration of low-pressure membrane filtration and aerobic granular sludge (AGS) reactor leads to a novel environmental biotechnological process with strong potential to overcome membrane fouling and demonstrate excellent wastewater treatment performance. However, membrane fouling mechanisms in the AGS based membrane bioreactor (MBR) are lack of systematic elaboration. In the...
Resource Type:: Masters Thesis
Full Text:: for the degree of Master of Science in Environmental Engineering presented on February 16, 2022

Optimization of Geologic Carbon Sequestration: Effect of Flowrate on Nonwetting Phase Connectivity

Creator:: Davis, Brittany R.
Abstract:: Atmospheric carbon reduction is arguably the most crucial facet among efforts to mitigate climate change. The Fifth International Panel of Climate Change report emphasizes a worldwide goal of maintaining global temperature elevation less than 1.5°C above pre-industrial temperatures. This report also acknowledges without the proper utilization of counteractive emission strategies...
Resource Type:: Masters Thesis
Full Text:: the degree of Master of Science in Environmental Engineering presented on June 8, 2021. Title

ScholarsArchive@OSU

Aromatic hydrocarbon contaminants : investigations of detection methods, bioremediation strategies, and toxicity impacts

Aerobic Cometabolism of cis-Dichloroethylene, 1,1,1-Trichloroethane, and 1,4-Dioxane by Polyvinyl Alcohol/Sodium Alginate Hydrogel Beads that Co-Entrapped Rhodococcus rhodochrous Strain ATCC 21198 and Slow-Release Growth Substrates: Column Studies

Anaerobic co-digestion of acid whey and sewage sludge for enhanced renewable energy production

Addressing the Risks of Nanoscale Polymers: Exposure, Behavior, and Toxicity

Evaluation in a Physical Aquifer Model the Long-Term Performance of a Permeable Reactive Bio-Barrier Packed with Co-encapsulated Gellan Gum Beads for the Bioremediation of Chlorinated Compounds and Co-Contaminants

Aerobic Cometabolism of 1,4-Dioxane and cis-Dichloroethylene by Gellan Gum and Polyvinyl Alcohol/Sodium Alginate Hydrogel Beads Co-Encapsulated with Rhodococcus rhodochrous Strain ATCC 21198 and Slow-Release Growth Substrates: Batch, Column, and Toxicity Studies

Waste Heat Recovery Using Thermochemical Energy Storage

Anaerobic Co-Digestion of Municipal Sludge and Fats, Oils, and Greases: Effects on Digester Performance and Microbial Community Dynamics

Ultrafiltration Membrane Fouling in Side-stream Aerobic Granular Sludge Membrane Bioreactor

Optimization of Geologic Carbon Sequestration: Effect of Flowrate on Nonwetting Phase Connectivity

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