Abstract
Odorous substances emitted to ambient air from wastewater treatment plants cause a serious nuisance to inhabitants in the direct vicinity of such emitters. The solutions currently used to remove malodorous gases in the Wastewater Treatment Plant in Belchatow do not fulfill their function properly. This article presents the test results of the composition and concentrations of odorous compounds emitted from the above- mentioned plant. In addition, the paper introduces the concept of eliminating substances by the biofiltration process. Due to the applied method, one can expect to reduce the odor by at least 90%.
Highlights
Over the past few decades, enormous quantities of pollutants have been released into the environment, mainly into the air
The most important sources of odor emissions from wastewater treatment plants are among other: grit chambers, pumping stations, precipitators, aeration chambers and sludge drying beds
Based on the performed research and analysis, it was found that biofiltration is the optimum deodorization technology for use in the Wastewater Treatment in Belchatow
Summary
Over the past few decades, enormous quantities of pollutants have been released into the environment, mainly into the air. Due to high emission of a wide variety of pollutants, there has been an increase in the number of environment-related problems. These compounds are usually removed slowly and tend to accumulate in the environment. Promising solutions include biological methods, especially the biofiltration process It is a complex biological process of removing malodorous substances consisting in the biodegradation of pollutants, whose products are non-toxic compounds inert to the environment. Both physical and biological processes occur during biofiltration [15]. Odorous contaminants occurring in the exhaust gases are subjected to the process of adsorption on the surface of the liquid bioactive layer (Figure 1.) that surrounds the grain fill - the filter material [1, 14, 15]
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