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Efficiency of Ozone-Based Advanced Oxidation Processes in Treating Recirculating Irrigation Water

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dc.contributor.advisor Dixon, Mike Bertrand, Brenden 2020-01-30T18:50:59Z 2020-01-30T18:50:59Z 2020-01-01 2019-12-13 2020-01-30
dc.description.abstract The efficacy of using ozone, ultraviolet, and an ozone/UV-based advanced oxidation process (AOP) for the remediation of recycled greenhouse irrigation water was examined. Begonia x heimalis and Gerbera jamesonii were grown for a full crop cycle – no differences were found between the treatments. Lemna minor was used as a bioassay surrogate for vascular plants and cultured in Hoagland’s solution containing various concentrations of glyphosate and paclobutrazol to determine an EC50. Lemna were then cultured in solution drawn from the treatment system reservoirs spiked with the EC50 dose of glyphosate during an irrigation cycle. Recovery of some metrics was observed in O3 and AOP treatments. A dose of 0.78mL L-1 glyphosate was applied to the irrigation reservoirs at the start of a plant growth cycle of Salvia splendens. The systems were not able to protect from the challenge at the rates of herbicide applied. en_US
dc.description.sponsorship Greenway Water Treatment, Tersano Inc. en_US
dc.language.iso en en_US
dc.rights Attribution 4.0 International *
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dc.subject Advanced Oxidation Process Hydroponics Greenhouse en_US
dc.title Efficiency of Ozone-Based Advanced Oxidation Processes in Treating Recirculating Irrigation Water en_US
dc.type Thesis en_US Environmental Sciences en_US Master of Science en_US School of Environmental Sciences en_US
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Attribution 4.0 International Except where otherwise noted, this item's license is described as Attribution 4.0 International