Articles
Major Retrofit Corrects Problems Throughout Wastewater Treatment Process For Missouri District
March 2, 2010
•Case Study: Major Retrofit Corrects Problems Throughout Wastewater Treatment Process For Missouri District
By ITT Water & Wastewater - Flygt Products
The US Clean Water Act became the preamble for a volume of more stringent water and wastewater treatment regulations. Scores of engineers and utility plant managers have searched since then for reliable processes, technologies and equipment to help make treatment facilities comply with the evolving guidelines. Many earlier generation plants are undergoing upgrades to meet present and future water quality standards.
The Atherton Wastewater Treatment Plant (WWTP) in Independence, MO, operated by Little Blue Valley Sewer District (LBVSD), undertook a major retrofit to correct operational issues at both the influent and effluent ends of their process chain. The plant supports a large service area that now takes in the high-growth suburbs on the far reaches of Kansas City. When built in the early 1980s, the plant was the first, large-scale application of a proprietary intrachannel clarifier that qualified for the US EPA Innovative & Alternative program. The design reduced the primary process chain to preliminary bar screening and aerated grit removal while relying solely on secondary treatment performed in four, standalone 42 x 400 ft aeration/clarification basins.
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