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 .
EAL must be biodegradable. The three most common categories of biodegradable base oils are: 1) vegetable oils, 2) synthetic esters, and 3) polyalkylene glycols. Due to the low toxicities of these three types of base oils, aquatic toxicity exhibited by lubricants formulated from them is
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