Anaerobic Digestion

Research in anaerobic digestion focuses on the biological conversion of organic matter into biogas, primarily methane and carbon dioxide, in the absence of oxygen. This field investigates the microbial communities responsible for this process, the optimization of reactor designs and operating conditions, and the characterization of resulting biogas and digestate. Studies explore various feedstocks, including agricultural residues, municipal solid waste, and wastewater, to maximize biogas yield and energy recovery. Research also examines the valorization of digestate for nutrient recovery and soil amendment applications, alongside the development of advanced monitoring and control systems for anaerobic digestion processes.

This research holds particular relevance for Arkansas, a state with significant agricultural and forestry sectors that generate substantial organic waste streams. Anaerobic digestion offers a pathway to convert these byproducts into renewable energy, supporting the state's bioeconomy and reducing reliance on fossil fuels. Furthermore, by managing organic waste and recovering nutrients, this work contributes to improved environmental quality and sustainable agricultural practices, addressing challenges related to waste disposal and water resource management across the state.

The study of anaerobic digestion draws upon expertise in microbial ecology, biochemical engineering, and environmental science. Connections are made to biofuel production, nutrient recovery from wastewater, waste management, and the application of advanced computational methods for process analysis. This interdisciplinary work involves collaboration across institutions to advance the science and application of this vital bioconversion technology.