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Full-Text Articles in Engineering

Assessment And Modeling Of Three Decentralized Resource Recovery Systems In The Cayes Of The Belize Barrier Reef, Mark D. Kalivoda Jun 2017

Assessment And Modeling Of Three Decentralized Resource Recovery Systems In The Cayes Of The Belize Barrier Reef, Mark D. Kalivoda

USF Tampa Graduate Theses and Dissertations

Three wastewater treatment systems (WWTS) situated on Cayes in the Belize Barrier Reef System were assessed in terms of the unique public health and environmental circumstances of being a tourist destination surrounded by fragile coral reef. Laughing Bird Caye, Silk Caye, and Little Water Caye are three small cayes that are the staging points for local diving, fishing, and other recreational tourism. All three systems are based upon pour-flush toilets, semi-anaerobic biodigesters and drainage fields. Limitations in cost, available resources, useable area, high infiltration rates of the sand, and salinity of the water have played a major factor in the …


Carbon And Nutrient Balances In Microalgal Bioenergy System, Eunyoung Lee Jun 2017

Carbon And Nutrient Balances In Microalgal Bioenergy System, Eunyoung Lee

USF Tampa Graduate Theses and Dissertations

This research investigated life cycle environmental impacts and benefits of an integrated microalgae system with wastewater treatment system using an integrated process modeling approach combined with experimentation. The overall goal of this research is to understand energy, carbon and nutrient balances in the integrated system and to evaluate the environmental impacts and benefits of the integrated system from a carbon, nutrient, and energy perspective. In this study, four major research tasks were designed to contribute to a comprehensive understanding of the environmental and economic sustainability of the integrated system, which included development of an integrated co-limitation kinetic model for microalgae …