This Oil Skimmers, Inc. customer has been a producer of highly refined mineral oils for more than a century. The company’s white oil products, which are used in the formulation of lotions, creams, ointments and hand cleansers, require large amounts of water to make. The oily water from the refining process, along with tank washdowns and runoff, adds up to a substantial wastewater challenge. In an effort to improve its wastewater treatment process and increase overall plant efficiency, the company compared different oil skimmers.