ACHIEVING EFFECTIVE HYDROGEN SULFIDE ODOR CONTROL AT MINIMAL COST –PILOT TESTING CONVENTIONAL AND EMERGENT TECHNOLOGIES AT A CENTRAL FLORIDA WATER TREATMENT FACILITY
Abstract:The City of Oviedo (City) provides potable water to roughly 23,000 residents in central Florida. The City required an effective treatment method for removing sulfides at their new 10 million gallon per day water treatment facility. Forced-draft aeration (FDA) was identified as an effective and economic way to remove sulfides from the City's groundwater. However, it was recognized that the resulting hydrogen sulfide (H2S) laden FDA off-gas would need to be treated prior to atmospheric release because of concerns regarding operator safety, corrosion of exposed metal surfaces and odor complaints from the surrounding community.
The authors performed engineering evaluations to develop an environmentally friendly water treatment facility that produced high quality water without releasing offensive odors to the neighboring community. While packed tower scrubbers (PTSs) are widely used to treat these off-gases, they require rigorous operation and maintenance, not to mention chemical handling and waste stream disposal requirements (Boyle 1995). Faced with a number of emergent alternative odor reduction technologies, a pilot test program was implemented to evaluate cost and performance data for both conventional PTS and non-conventional technologies.
Document Type: Research Article
Publication date: 2003-01-01
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