Air handling and scrubber retrofits optimize odor control

Article Abstract:

The in-vessel biosolids composting facility in Schenectady, NY, was brought back into operation on Jun 1992 after undergoing comprehensive changes in its operations and installing the American Bio Tech system which eliminates the emission of offensive odors. The plant was ordered to shut down on Jan 1991 due to the offensive odors it emitted. The plant improvements were done as part of the five-year contract between the City of Schenectady and the Professional Services Group (PSG) of Houston to operate the wastewater treatment plant and the composting facility odorlessly. The plant was outfitted with new odor control systems and its existing mechanisms improved.

Waste management, Schenectady, New York

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Odor control progress for sludge composting

Article Abstract:

The 1992 sludge composting facility survey revealed that many composting plants are now able to better manage odor control. The numerous composting plants resorted to different methods in odor control such as the use of process control and biofilter in the aerated static pile method by Coeur D'Alene, ID, composting facility and the use of the enclosed Beltsville aerated static pile method by the Sussex County, NJ, Municipal Utility Authority. Other ways of odor control are the wood ash additions technique which is used by several New England facilities and the use of chemical scrubbing which is being employed by the Cape May County, NJ, composting facility.

Sewage sludge, Sewage treatment

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Reducing odor impacts at land application sites

Article Abstract:

Methods of odor control for biosolids application are described. These include enhanced digestion of biosolids, including temperature-phased anaerobic digestion, and improved soil incorporation techniques such as subsurface injection.

Environmental aspects, Soil amendments, Sewage sludge digestion, Chemical properties, Odour control

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