Presentations
Hydrological, chemical, and organic controls for metal mobilization in mine drainage waters
Presented updated research on influence of seasonal and temporal variability and potential drivers for metal mobility in mine drainage waters over an 18-month continuous sampling period 2nd D-A-CH Geobiology Symposium - Jena, Germany- Oct. 2023 DOM characterization and metal analysis for water passage through a historic mine drainage Discussed hydrological conditions that lead to the mobilzation of polluted water, the dynamics in DOC exchange, as well as the influence of DOM characteristics and other environmental factors on metal mobilization. TUBAF BHT PhD Conference - Freiberg, Germany - Jun. 2023 Dissolved organic carbon effects on the mobilization of metals in a historic mine drainage - highlighting iron mobility Discussed DOC quantity and quality changes across a depth gradient beyond the critical zone and presented the co-occurrence patterns of chemical constituents in mine drainage waters, more specifically on iron mobility relation to pH and DOC dynamics D-A-CH Geobiology Symposium - Zürich, Switzerland - Oct. 2022 Dissolved organic carbon effects on the mobilization of metals in a historic mine drainage Analyzed DOC quantity and quality dynamics in relation to metal mobility in the surface-to-adit passage, as well as introduced a promising framework for utilizing DOM as a tracer for indicating hot spots of trace metal mobilization in mining waters International Society of Limnology (SIL) - Berlin, Germany - Aug. 2022 Characterization of arsenic interactions with the thiol-functionalized resin Ambersep GT74 as a model for arsenite interactions within natural organic matter Investigated reversible sorption of As(III) onto Ambersep GT 74 to determine the isotherm parameters for binding, assess the effects of pH and ionic strength, and to evaluate whether irreversible or reversible sorption best characterize As(III) sorption Cornell University Masters Defense - Ithaca, NY - Nov. 2021 Sorption of Methylated Arsenic (As) onto Mackinawite (FeS) Demonstrated my first-year graduate research on the use of adsorption isotherm models, kinetic studies, and x-ray absorption spectroscopy to demonstrate the sorption affinity of methylated As species onto FeS minerals Cornell University Environmental Processes Seminar - Ithaca, NY - Oct. 2020 A Dairy Farm Wastewater Treatment System for Reducing Methane Emissions Created a preliminary wastewater treatment design system and feasibility analysis for treating high and low solids from manure wastewater using aerobic and anaerobic processes SDSU Water Days Symposium - San Diego, CA - Apr. 2019 Fluorescent Compounds Retained By Ultrafiltration Membranes for Water Reuse Analyzed how fluorescence spectroscopy could be used as a tracer for quantifying bulk proteins with and without the presence of a biofilm SDSU Student Research Symposium - San Diego, CA - Mar. 2019 Application of Zeolites with Anammox for Nitrogen Removal Examined the capability for the addition of zeolite particles within anammox reactors to enhance the biomass retention for improved nitrogen removal Annual Biomedical Research Conference For Minority Students (ABRCMS) - Indianapolis, IN- Nov. 2018 ReNUWIt REU Meeting - Berkeley, CA - Aug 2018 Analysis of Organic Compound Permeability in Relation to Ultrafiltration Membrane Fouling Analyzed the significance of biofilm formation by comparing the results of a sterilized and unsterilized synthetic wastewater solution American Chemical Society National Meeting (ACS) - New Orleans, LA - Mar. 2018 Effect of Biofilm Formation on Biodegradable Organic Matter During Ultrafiltration Analyzed the influence that the presence of a biofilm had on DOM removal in relation to the retention of fluorescent compounds SDSU Student Research Symposium - San Diego, CA - Mar. 2018 Analysis of Organic Compound Permeability Resulting From Ultrafiltration Membrane Fouling Tracked the changes in dissolved organic matter (DOM) in permeate of and effects of possible biofilm formation during irreversible fouling Annual Biomedical Research Conference For Minority Students (ABRCMS) - Phoenix, Az - Nov. 2017 Examination of Fluorescence Components in an Ultrafiltration Membrane Compared the passing of amino acid-like components in a sterilized and unsterilized solution SDSU Summer Research Symposium - San Diego, CA - July 2017 Analysis of Organic Matter Components Responsible for Ultrafiltration Membrane Fouling Studied the effectiveness of contaminant removal for synthetic wastewater performed by pilot-scale UF membrane SDSU Student Research Symposium - San Diego, CA - Mar. 2017 |