Journal articles Open Access A Review of Methods for Removal of Contaminants in Used Lubricating Oil Kwasi Opoku Boadu · David Kofi Essumang · Benson Osa Evbuomwan · Ogbonna Friday Joel Management and disposing of used lubricating oil (ULO) poses deleterious effects to air, land and water pollution. These contaminants not only causes environmental problems, they also have bioaccumulation effects on living organisms, reduc… RUF-38226 2019 CC BY 4.0 16 Apr 2020
