Ask Ben Riles why the Moberly (Mo.) Wastewater Treatment Plant won a state award for its biosolids program and he gives part of the credit to city leaders, who decided nearly two decades ago to adopt an emerging technology when it was time to replace an aging facility.Riles, named chief operator in 2007 after eight years as an operator, has been “kind of spoiled” while working at the dual-cell sequential batch reactor (SBR) facility, designed and built by Aqua-Aerobic Systems. “I’ve never worked at an older plant,” he says.Although some people questioned the city’s decision to adopt the SBR technology
