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FULL SCALE PILOT STUDY USING THE VTX PROCESS FOR THE REMOVAL OF SULFIDE AT THE VIRGINIA INITIATIVE PLANT

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High sulfide levels are causing odor problems in the vicinity of the Virginia Initiative Plant (VIP) in Norfolk, Virginia which is problematic for new developments in the area. The influent wastewater total sulfide levels for the plant can generally be described to average in the range of 14 to 16 mg/L during warmer months which results in significant hydrogen sulfide generation.

The VTX Catalyzed Oxidation Process is promoted as an effective and rapid treatment method for treating sulfide. The technique was demonstrated to treat essentially all of the sulfide entering the Hampton Roads Sanitary District at York River in 3 to 5 minutes of contact time resulting in scrubber inlet hydrogen sulfide readings dropping from 200 ppm to less than 5 ppm. A similar treatment strategy was used at VIP with the VTX Process. Scrubber hydrogen sulfide was reduced from an average of 39 ppm entering the scrubber to 1.8 ppm over several days of treatment. This allowed VIP to turn off the chemical feed system to the existing scrubber system for a period of time.

Overall, tests confirmed that the VTX Process is an effective process for the treatment of sulfide entering the headworks of a waste treatment plant.
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Document Type: Research Article

Publication date: 2007-01-01

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