Better Recipe

The Haines City (Fla.) Wastewater Treatment Plant has found a way to recycle its biosolids more easily, make a product for beneficial reuse on agricultural fields, and meet new regulations while cutting operating costs and reducing odors.

The 3 mgd (design) activated sludge plant has an average flow of about 1.5 mgd; effluent is sent to the city’s reclaimed water system. The plant needed an upgrade to meet new biosolids regulations from the Florida Department of Environmental Protection that take effect in January 2013. The new provisions substantially limit land application of Class B biosolids and make some land application of Class A biosolids less attractive.

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