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Hydrogen Peroxide Pretreatment: It's not Just for Blondes Anymore (The Use of Hydrogen Peroxide to Reduce Hydrogen Sulfide Levels and to Achieve Operational Savings)

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Elevated levels of hydrogen sulfide (H2S) in the Deer Island Treatment Plant (DITP) influent led the Massachusetts Water Resources Authority (MWRA) to commission a pretreatment feasibility study for reducing the H2S levels. The major objectives of the study were to: (1) determine the location and extent of sulfide formation; (2) determine the most effective chemical and/or physical means for reducing and controlling sulfides at Deer Island; and (3) development of recommendations and a schedule for implementing a long term pretreatment program. Aqueous sulfide concentrations at the North Main Pump Station influent and the gaseous sulfide concentration at the inlet of the primary odor control facilities provided a direct indication of the sulfides entering Deer Island from the north system and the degree of odor control required. The findings of the study showed hydrogen peroxide addition to be the most effective and most cost effective chemical for reducing hydrogen sulfide levels.
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Document Type: Research Article

Publication date: 2002-01-01

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