The Westar Energy constructed-wetland treatment system in northeast Kansas uses a novel, two-tiered approach to remove environmentally sensitive metals and selenium in wastewater effluent from a coal plant before they can harm natural vegetation and wildlife.
A four-year project to upgrade air quality control and improve plant efficiency at Alliant Energy’s Ottumwa Generating Station accomplished all objectives during the same 76-day outage, with results that exceeded expectations.
