This work presents an updated overview of waste lubricant oil (WLO) management practices
in Europe to promote a circular economy. The characteristics of virgin and waste oil, their …

Waste lubricating oil is considered to be a hazardous waste and has tremendous impact on
human health and environment. The present review elaborates on the lubricant demand and …

In this work, the recovery of base oils from waste lubricants was investigated using a novel
combination of solvent extraction and adsorption on solids. The performance of six …

Used lubricating oil is a valuable resource. However, during service, lubricating oil becomes
contaminated by a number of additional components (from engine wear) such as iron and …

Engine oils are made from crude oil and its derivatives by mixing of certain other chemicals
(additives) for improving their certain properties. Lubricating oil is used to lubricate moving …

The European oil rerefining industry is comprised of 28 plants treating waste oil, which
represent one‐third in volume of the total European market for lubricants. The biggest …

Waste engine oils contain impurities which are known as hazardous compounds derived
from combustion, abrasion, and chemical reactions. Removal of the impurities provides a …

Waste lube oils are classified as hazardous waste due to the metal contents derived from the
additives and wear. Most lube oils contain up to 20% of additives including antioxidants, anti …

This work aims to study the removal of contaminants from waste lubricating oil (WLO) with
distinct properties by solvent extraction to recover the base oil. 1-Butanol and methyl ethyl …

The increase in the generation of used automotive lubricating oils is an issue of growing
concern, especially in developing countries. Most used oil contains degraded additives and …