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MacRae's research focuses on pollution prevention and control, with a focus on biological treatment and transformation of pollutants. MacRae is interested in making our material and food systems more sustainable by recovering usable materials from "waste" and making the best use of resources we extract from the environment. MacRae is part of the Materials Management and PFAS teams in the Mitchell Center for Sustainability Solutions.
Summarizes and critically reviews the literature on the adsorption of organic compounds (OCs), which are already in our aquatic systems, onto microplastic surfaces. Reviews a database of 91 articles, 68 of which are used in an adsorption analysis for 178 OCs via 770 isotherms.
Explains composition and contamination of Source Separated Food Waste from Different Sources and Regulatory Environments. Discovers that requiring source separation of food did NOT result in more significant contamination. Metal concentrations in food waste were low, but PFAS were detectable in 60% of samples and antibiotic resistance genes were detectable in almost all of them. Created By
Describes some of the complexities of solid waste management in rural areas - and the bind managers get into when materials they are trying to recover are contaminated.