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Full-Text Articles in Mechanical Engineering
Phosphorus Adsorption Through Engineered Biochars Produced From Local Waste Products, Peter Ogonek
Phosphorus Adsorption Through Engineered Biochars Produced From Local Waste Products, Peter Ogonek
Honors Theses
Phosphorus contained in agricultural runoff is a major anthropogenic contributor to harmful algal blooms (HABs). Biochars are carbon-based materials produced from the pyrolysis of waste biomass that have the potential to amend soils and remediate inorganic and organic contaminants from water. Engineered biochars tailored to adsorb phosphorus from water could reduce the availability of the nutrient in agricultural runoff, reducing the size and frequency of HABs. This study observed the phosphorus adsorption properties of engineered biochars produced from two source materials, oak sawdust and cornstalk residue, and being unmodified, acid-rinsed, or loaded with magnesium prior to pyrolysis, creating acid-rinsed, unmodified, …
Evaluation Of The Use Of High Frequency Acoustic Cavitation To Improve Water Quality In Commercial Catfish Operations, Bennett Elizabeth Barr
Evaluation Of The Use Of High Frequency Acoustic Cavitation To Improve Water Quality In Commercial Catfish Operations, Bennett Elizabeth Barr
Honors Theses
Catfish processing plants must chill the water used for their fillet wash and flush and refill their piping systems frequently, requiring a pause in operations until the piping flush is complete. There is a need for a (preferably non-chemical) solution that enables the plants to chill the water less and flush their systems less often to mitigate high energy and water consumption. High amplitude acoustic waves (sonication) were introduced into water samples from catfish ponds to determine if they could be used as a replacement for chemical treatments to improve the water quality in the plant piping systems. Preliminary tests …