Journal articles Open Access Adsorption of Heavy Metals Contaminants in Used Lubricating Oil Using Palm Kernel and Coconut Shells Activated Carbons Kwasi Opoku Boadu · David Kofi Essumang · Benson Osa Evbuomwan · Ogbonna Friday Joel This research work investigated the adsorption of some heavy metals contaminants in used lubricating oil using chemically activated carbon adsorbents produced from palm kernel and coconut shells. The adsorption mechanism was able to remove… RUF-38245 2020 CC BY 4.0 25 Apr 2020
Journal articles Open Access Physico-chemical and Concentration of Heavy Metals Analyses in Virgin and Used Lubricating Oils: A Spectroscopy Study Kwasi Opoku Boadu · David Kofi Essumang · Benson Osa Evbuomwan · Ogbonna Friday Joel As a result of the changes that occur during their use, lubricating oils from automobiles tend to differ in terms of their physical and chemical composition from virgin and used lubricating oils. The analyses of the heavy metals distributi… RUF-38227 2019 CC BY 4.0 16 Apr 2020
