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Symbiotic Design of Regional Odor and Corrosion Control Facilities

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The King County Wastewater Treatment Division in Seattle, Washington, is expanding its wastewater system to include a new regional wastewater treatment facility (Brightwater) in adjacent Snohomish County. The expansion includes significant conveyance improvements close to residential and commercial neighbors. King County's “no detectable odors” standard required a high level of odor treatment for these improvements. A chemical injection facility was designed for the Hollywood Pump Station to address corrosion in the existing conveyance system, while a two-stage bioscrubber and existing carbon scrubber system at the North Creek Facility were designed to address possible odor releases at hydraulic structures. A symbiotic approach was required from the initial planning study through design, construction and operation of the two facilities to minimize odors and corrosion while minimizing operating costs.

Keywords: Odor sampling and monitoring; bioscrubber; chemical injection; corrosion; hydrogen sulfide (H2S)

Document Type: Research Article


Publication date: January 1, 2009

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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