Activated Sludge Off-Gas Carbon Adsorption Treatment
The Newtown Creek Wastewater Treatment Plant is New York City's largest plant. It is being upgraded to provide a dry weather treatment capacity of 1.17 cubic meters per day (m3/d) [310 million gallons per day (mgd)]. The plant is located within a densely populated area and odor control will be provided on all its unit processes. The design parameters and performance data are presented for one of its five odor control systems. It employs dual bed activated carbon adsorbers, has a capacity to treat 105 cubic meters per second (m3/s) [220,000 cubic feet per minute (cfm)] and was started up in December 2006. The system treats the emissions from grit tanks, activated sludge tanks, final settling tanks and other emission sources. Approximately 80% of the air being treated is from the activated sludge tanks. The carbon of four of its thirteen vessels, which received a higher hydrogen sulfide loading, was replaced after approximately four years. The remaining vessels are operating with their original carbon exceeding the expected carbon service life.
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Document Type: Research Article
Publication date: 2012-01-01
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