Odor control using biofilters

Article Abstract:

Biofilters have been used for over 20 years in the treatment of highly odorous compounds and possible air pollutants in gas streams from wastewater facilities, solid waste processing plants, chemical manufacturing plants and composting operations. The employment of biofilters has been recommended owing to their efficiency and simple and economical operation. Biofilters include the use of a variety of mediums such as soils, compost, sand, bark, heather, volcanic ash or a blend of these and other materials. Odorous gases passing through the medium go through the processes of absorption/adsorption and biooxidation.

Research, Usage, Filters (Separation)

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Odor modeling at a biosolids composting facility

Article Abstract:

Odor modeling can be used to evaluate alternative operating methods by calculating the impact of odor generation on surrounding communities in existing and proposed composting facilities in America. The odor modeling tools at a Colorado site are analyzed to reveal that a well-designed and enclosed biosolids dewatering and composting facility using biofilteration as the odor control technology would reduce odors to acceptable levels at a specific site.

United States, Management dynamics, Methods, Company business management, Odour control

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Biofilters and facility operations

Article Abstract:

The success of utilizing biofilters in composting facilities depends on several design and operational factors. These factors include moisture control, loading rates, oxygen content, temperature, pH adjustment, pressure drop, medium depth and maintenance considerations. Biofilters have proven to be highly efficient in odor control when correctly designed and operated. Such system can treat all types of odorous compounds with the exception of ammonia.

Buildings and facilities

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