Abstract

The present-day requirements for biodegradable and eco-friendly lubricants imply that lubricants have properties that can minimize, if not eliminate, negative environmental impact, such as contamination of soil and water, caused by lost lubrication, leakage and accidents. The dominant, factors that have a direct impact on the environment and which characterize the lubricant and its chemical composition, are toxicity, bio-accumulation and biodegradability. Bio-degradability is perhaps the most important factor which determines the fate of lubricant in the environment. Life cycle analysis (LCA) also helps in assessing the total environmental impact of lubricants. This chapter reviews the essential requirements of environmentally adapted lubricants, with regards to chemical composition, eco-toxicity, biodegradability, bio-accumulation, and eco-labeling schemes, and life cycle analysis.

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