A Sustainable Way to Reduce the Lifecycle Cost of Odor Treatment

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The need to achieve high levels of odor removal, optimize lifecycle costs, and the trend towards sustainability has promoted the use of biological solutions for wastewater treatment applications. To achieve effective removal across the broad range of odor compounds, not just H2S, technologies have often been arranged in series, for example a carbon system following a biotrickling filter, imposing higher capital and operating costs.

To achieve the removal of complex odor and volatile organic compounds (VOC's) economically and sustainably extensive research has been undertaken to select the optimum media and to improve the efficiency of biological systems. Seashells were identified as a potential media because of their size and shape which provide high porosity, promote excellent mass transfer, support biological activity, and provide a built-in pH buffering required for the effective removal of reduced sulfur compounds. Further development has shown that optimizing the irrigation rates and flow path of the air can increase efficiencies.

Extensive performance testing of the shell media has confirmed that high levels of odor removal can be achieved in a single stage biological system across a wide range of H2S loadings and applications, while providing lifecycle cost benefits through the use of a cost effective media, in a way that is recognized as being more sustainable than the use of chemicals or carbon.

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864712811700705

Publication date: January 1, 2012

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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 These proceedings are not peer reviewed.

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