With a mix of old and new technology, the Riverside (Calif.) Regional Water Quality Control Plant is like a green orchestra that plays a symphony of music in the form of water and air quality. For this publicly owned 40 mgd tertiary treatment/reclamation plant, the main instruments include a combined heat and power (CHP) facility and a new fuel cell plant, both powered largely by digester gas, which is plentiful thanks to a highly successful fats, oils and grease (FOG) program.As with any symphony, the quality of performance has a lot to do with how the orchestra is conducted. “It’s
