Abstract
Manganese is one of the most abundant metals on Earth's crust. The Environmental Protection Agency (EPA) has categorized manganese as a secondary contaminant. The water filtration plant to be evaluated with this project is the Enrique Ortega Water Filtration Plant located in Toa Alta, Puerto Rico. This filtration plant primarily processes raw water provided by La Plata basin. The filtration plant has the capacity to process 100MGD. In recent years it has been reported that the levels of manganese for this plant have been excessively high. These high levels are of great concern because although it is not life threatening to humans, having it in excess in the water causes the water to have a metallic taste and look unappealing. Therefore, when high levels of manganese are present in the water system it makes the waster less aesthetically pleasing to the consumer. The focus of this project was to investigate various treatment techniques used to oxidize manganese. In-situ oxidation via sodium permanganate was selected and proved to be an effective manganese oxidizer.
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