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The paper presents results from innovative odor control technology research that is relevant to the Water Environmental Federation and its members. This unique process development and pilot testing work is the result of a collaborative effort between Pacific Rim Design & Development Inc. and the City of San Diego. The process is valuable because it appears to have better removal efficiency and lower operating cost than conventional mist and packed bed odor control equipment. The initial study was so promising that a second and more comprehensive research project began in October 2001. This additional two year long full-scale study will include the original partners and two others: the San Diego Air Pollution Control District and the California Energy Commission – Energy Innovation Small Grant Program (CEC Grant). The initial research partners and the CEC Grant will provide funding for the second phase.

The overall study's multifaceted two-phase objective:

Obtain preliminary pilot-scale and then full-scale data on the effectiveness of an ozone /hydroxyl radical oxidant system for odor control of wastewater treatment process foul air. In the pilot stage this study would focus on the removal of hydrogen sulfide from a foul air stream. In the full-scale study this scope would include the removal efficiency sulfur containing compounds including hydrogen sulfide and specific toxic organic compounds.

The same full-scale test noted above will compare odor control removal efficiency and equipment / operating cost of the ozone / hydroxyl radical oxidant system to the conventional sodium hypochlorite / sodium hydroxide oxidant system.

Why is this testing important:

Why search for a better and stronger oxidant?

Conventional mist and packed bed scrubber technology is also expensive to build and operate. There is also a need to provide the best available odor control technology and to save equipment and operating costs. The technology described in this paper can safely meet both of these needs. We may have an opportunity to define a new “best available technology”.

Document Type: Research Article


Publication date: January 1, 2002

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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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