When “Green” Really Isn't Greenest: A Design Employing Inorganic Biofilter Media Restores Confidence and Advances Biofilter Technology, While Saving Cost and Energy

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Abstract:

Bark media biofilters are commonly used to treat wastewater odors. Using bark appears to be a “green” technology as it is not only an organic media, but also may be recycled for landscape use. Despite these apparent advantages, and its initial low cost, bark-chips present challenges when designing an effective biofilter for long-term use. This manuscript explores the challenges associated with bark-chip media, and the advantages associated with switching to an inorganic media.

This manuscript describes a project in which inorganic media was found to be the most effective way to meet objectives:

Eliminate odor complaints


Secure owner acceptance for innovative approach


Expand capacity


Build sustainably


Minimize cost


The project involved sampling odors, designing an effective odor control system, restoring confidence in biofiltration, demonstrating performance, and responsibly applying newer technology. The project also includes the evaluation and selection of covers for primary clarifiers and a vactor truck dumping station.

Keywords: Biofiltration; Inorganic Biofilters; Odor Control; Odor Covers

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864711802639750

Publication date: January 1, 2011

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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 These proceedings are not peer reviewed.

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