Case Study | November 22, 2009

Case Study: TETRA® Denite® Denitrification Filters Meet Strict, Varying Nitrogen Limits

Source: Severn Trent Services

The cities of Littleton and Englewood, Colo., just south of Denver, share a wastewater plant – the Littleton/Englewood advanced wastewater treatment (AWT) plant located in Englewood. The 7886 m3/hr (50-mgd) Littleton/Englewood AWT plant serves more than 300,000 residents in the Denver metropolitan area. The facility also receives sewage from 21 districts within a 75 square mile service area. Plant effluent is discharged to the Denver metro area's major watershed, the South Platte River.

In 2001, the cities of Littleton and Englewood began planning to expand the then 5678 m3/hr (36-mgd) wastewater treatment plant to its current 7886 m3/hr (50-mgd) capacity to accommodate the area's fast growing population. At the onset of planning and design, the plant's inflow had reached 80 percent of its design capacity.

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