Waste-Oil Boiler Firing Demonstration at Nas Miramar, San Diego, California.

Abstract : The waste oils generated in the San Diego area were tested in boilers at NAS Miramar, San Diego, Calif. Approximately 4 million gallons of waste oils have been consumed during a period of more than 3 years. Results show that all four types of waste oils tested can be successfully fired in the same manner as commercial grade No.2 fuel if they are reasonably free of water and sediment. No modifications for existing boiler equipment or changes in standard operating procedures are necessary. No unacceptable environmental emissions were observed. Due to the contaminants in the waste oils, more than normal effort is sometimes required to clean the oil strainers and the boilers' fireside surfaces. The existing practice for processing waste oils is reasonably satisfactory. Heating the waste oils to further remove water and sediment appears to be only an added cost and may be eliminated when a minimum specification for the waste oil is developed. (Author)