Profile: Mercer International, Inc. provides oil, water and solid separators. Our products are used in petrochemical plants, generating stations, oil terminals, steel mills, refineries, gas stations and chemical industries. Our turnkey oily waste water treatment systems include oil/water separators, equalization tanks, level controls, pumps, automatic oil skimmers, polishing filters, oil-holding tanks, sludge-holding tanks, inlet & outlet pumps, and transfer pumps.