Sodium Chlorite Hydrogen Sulfide Control in …

Basic Chemicals Sodium Chlorite Hydrogen Sulfide Control in Wastewater Collection Systems Introduction mechanism for Sulfide formation. In the absence Hydrogen Sulfide (H2S) is a dense, colorless, of dissolved oxygen (DO) and in the presence of strongly odorous toxic gas that corrodes soluble Biological Oxygen Demand (BOD), infrastructures and impairs the performance of Desulfovibrio desulfuricans (SRB) and other wastewater treatment operations. sulfate-reducing bacteria (SRB's) convert the sulfate ion to Sulfide . Hydrogen Sulfide is naturally converted to sulfuric acid which is corrosive towards steel and Anaerobic concrete. Control of H2S will result in increased Microorganisms 2- life and lower maintenance cost for facilities and SO4 + Organic matter (no ) H2S + CO2. piping. In addition, worker safety is of concern as Hydrogen Sulfide is extremely toxic at levels above 500 ppm, which can be reached in Hydrogen Sulfide formation in wastewater confined spaces. systems occurs primarily in the gelatinous slime layer that accumulates on pipe walls and in the A number of Sulfide Control strategies are sludge blankets of clarifiers and other solids available depending on the system design and processing units.

Basic Chemicals 642-402 Sodium Chlorite 12/2014 Occidental Tower 5005 LBJ Freeway, Suite 2200 Dallas, Texas 75244-6119 Important: The information presented herein, while not guaranteed, was prepared by

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  Control, Sodium, Hydrogen, Sulfide, Sodium chlorite hydrogen sulfide control in, Chlorite

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