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Physical Sciences and Mathematics Commons

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Full-Text Articles in Physical Sciences and Mathematics

The Effect Of Turning Frequency On In-Vessel Compost Processing And Quality, Paige E. Boyle, Mary C. Savin, Lisa S. Wood Jan 2015

The Effect Of Turning Frequency On In-Vessel Compost Processing And Quality, Paige E. Boyle, Mary C. Savin, Lisa S. Wood

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

Composting can contribute to the zero waste initiative on the University of Arkansas (UA) campus. In-vessel systems like Earth Tubs™ are purported to provide better control of temperature and moisture during the composting process. Turning materials helps facilitate microbial activity and thermophilic composting. The goal of this research was to determine if turning frequency affects processing or final quality of compost made with pre- and post-consumer food waste feedstock and a wood chip bulking agent. Turning frequencies (treatment) of 3 days/week and 7 days/ week were evaluated simultaneously throughout three sequential runs. Temperature, pH, electrical conductivity (EC), and moisture content …


Assessing The Environmental And Monetary Impacts Of Waste Management Practices At The University Of Massachusetts Amherst, Arianna Moscone Jan 2015

Assessing The Environmental And Monetary Impacts Of Waste Management Practices At The University Of Massachusetts Amherst, Arianna Moscone

Student Showcase

The purpose of this research was to create a tool that models the University of Massachusetts Amherst (UMass Amherst) waste system and incorporates environmental factors as well as monetary cost factors into the system. This tool was created in the hopes that it will help decision makers have a more well-rounded view of the system when comparing different waste management options.