PERFORMANCE COMPARISON OF TWO BIOFILTERS FOR LIFT STATION ODOR CONTROL, LEE COUNTY, FLORIDA
Abstract:On November 12, 1998, two Biofilters were installed at sanitary Pump Station 256 in Lee County, Florida for the purpose of comparing the operation and performance of organic versus an inorganic media. The known odorous compounds to treat consist of Hydrogen Sulfide, Carbonyl Sulfide, Methyl Mercaptan, Dimethyl Sulfide, Carbon Disulfide, and Dimethyl Disulfide. The different media used for the pilot test were an organic aged and screened coniferous wood chip, a high silica scoria (lava rock), and a stranded cypress bark. The parameters used for comparison were removal efficiency, water use, pressure drop, and pH.
The results of the test were as follows:
Lava rock is a viable media material at remote or local odor producing locations.
Lava rock has similar efficiency characteristics as organic media.
Lower watering rates drives the pH of the system; however, significant degradation of the Lava rock was not noted.
Organo Sulfur compounds can be effectively treated in the upper levels of an up-flow biofilter.
Document Type: Research Article
Publication date: January 1, 2000
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