For more than a decade, the Rosedale Wastewater Treatment Plant on Auckland’s North Shore has been using Vaughan horizontal end suction chopper pumps to recirculate sludge in the plant’s four anaerobic digesters. With advances in technology over the years, the originally installed Vaughan HP-Series chopper pumps have been upgraded to the new and improved Vaughan … Continue reading Vaughan chopper pumps provide years of reliable digester recirc service for Rosedale WWTP