Theses and Dissertations

Advisor

Kim, Yunsang

Committee Member

Stokes, C. Elizabeth

Committee Member

Street, Jason Tyler

Date of Degree

5-10-2024

Original embargo terms

Embargo 6 months

Document Type

Graduate Thesis - Open Access

Major

Sustainable Bioproducts

Degree Name

Master of Science (M.S.)

College

College of Forest Resources

Department

Department of Sustainable Bioproducts

Abstract

Waterborne diseases, particularly those caused by microbial contamination such as Esche?richia coli (E. coli), present a global health challenge. This study centers on developing TiO2- decorated biochar nanocomposites, serving as a high-performance photocatalyst to combat E. coli contamination in water sources. TiO2 nanoparticles were synthesized using Flame Spray Pyrolysis (FSP) and deposited onto biochar. Structural and chemical properties were assessed using Scan?ning Electron Microscopy (SEM), X-ray Diffraction (XRD), and Fourier-Transform Infrared (FT?IR) spectroscopy. The nanocomposites were tested for photocatalytic disinfection efficiency under UV–Vis irradiation and petrifilm imaging data indicate significant E. coli inactivation, highlight?ing the potential of these nanocomposites for microbial contamination control. Furthermore, using sustainable materials such as biochar supports the development of eco-friendly water treatment. This research contributes offers an innovative solution for microbial contamination, potentially impacting public health significantly. Ongoing studies seek to enhance synthesis methods and as?sess nanocomposite performance in various environments, advancing real-world applicability.

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