Transcription of Environmentally Acceptable Lubricants
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Environmentally Acceptable Lubricants
United States Environmental Protection Agency Office of Wastewater Management Washington, DC 20460 Environmentally Acceptable Lubricants EPA 800 R 11 002 November 2011 Exhaust Gas Scrubber Washwater Effluent Contents CONTENTS Page 1 INTRODUCTION .. 1 Marketing and 3 2 TYPES OF Environmentally Acceptable 4 Vegetable Oils .. 4 Synthetic 4 Polyalkylene Glycols .. 5 5 3 CONSIDERATIONS FOR EALS IN THE AQUATIC ENVIRONMENT .. 6 Thickening 6 Advantages and Disadvantages of Vegetable-based EALs .. 6 Advantages and Disadvantages of Synthetic Ester-based EALs .. 7 Advantages and Disadvantages of Polyalkylene Glycol-Based 8 Availability and Cost of 8 4 DEFINING Environmentally Acceptable .. 10 10 Aquatic Toxicity .. 11 Bioaccumulation.
Oil leakage from stern tubes, once considered a part of normal “operational consumption” of oil, has become an issue of concern and is now considered as oil pollution. Stern tube leakage is a significant source of lubricant oil inputs to the aquatic environment.
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