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Open Access Prototype Testing of an Integrated Bio-Scrubber and Carbon System at the Hyperion Treatment Plant

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The City of Los Angeles has been testing various odor control strategies at the Hyperion Treatment Plant to determine the most cost-effective approach to treat odors associated with two of the City's largest interceptor sewer systems. Test results indicated that the odor levels remaining after first stage treatment were too high for direct atmospheric release at the proposed Air Treatment Facility locations and that a polishing stage would also be needed. Air modeling indicated that only the use of activated carbon as the polishing stage would reduce odor levels to targeted goals. Based on this information, a new system employing bio-trickling filter technology followed by carbon absorption contained in a single package configuration was developed by Biofilter vendor. To evaluate this new system, a test unit was subsequently tested at the Hyperion Treatment Plant. The installation of this unit was completed in February of 2005 followed by 8 months of testing.
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Document Type: Research Article

Publication date: 2007-06-01

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