Brockton's Experience Operating an AquaDiamondTM Effluent Filter
Abstract:The Brockton Advanced Wastewater Treatment Facility (WWTF) recently completed an 80 million, three-phase capital improvement program increasing capacity to 78 megaliters per day (ML/D) [20.5 million gallons per day (mgd)], while enabling the plant to meet is current and anticipated future permit limits. As a result of the upgrade program, virtually all of the plant's unit processes were improved or expanded. A major component of the facility improvements was selection and implementation of the AquaDiamond™ cloth filtration system for effluent filtration, as a key improvement to enable the WWTF to meet an effluent total phosphorus permit limit of 0.2 milligrams per liter (mg/L) up to a peak flow of 227 ML/D (60 mgd). The AquaDiamond™ filter also provides an avenue to further upgrade the plant to meet lower total phosphorus limits expected in the future. The AquaDiamond™ filter became operational in February 2008 and after more than 1 year of operation, the filter system has proven its ability to provide consistent effluent process performance. Over the year-plus of operation, the plant staff have also identified and resolved a number of operations and maintenance requirements that should result in improved installations of this system in the future.
Document Type: Research Article
Publication date: 2009-01-01
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