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
Journal articles Open Access Comparative study of two modeling approaches for predicting heavy metals contaminant migration from polyethylene bags N. Banadda · J. Kigozi · F. Lule · C. Sempala Plasto-Foam brand, medium size of 30 mm thickness (black and green) commonly used polyethylene bags for preparing foods were selected from those available in local markets. The polyethylene bag samples were crushed into pieces, ashed and t… RUF-35958 2016 CC BY 4.0 24 Jun 2016
Journal articles Open Access The migration of chemical contaminants from polyethylene bags into food during cooking N. Banadda · J. Kigozi · L. Musoke · C. Sempala Cooking food in polyethylene bags has of late substituted banana leaves in Uganda. However, such a practice is risky as chemical contaminants may migrate from polyethylene bags into food during cooking causing health complications. Therefo… RUF-35575 2015 CC BY 4.0 2 Oct 2015
Working Document Series Open Access Assessment of water quality in Mohale dam and associated rivers in Lesotho M. Johanne · R. Mating · A.O. Olaleye The study assessed Mohale dam and the associated rivers’ water quality over 5 years and comparing it to the water quality standards. It was believed that since this dam and the rivers occurred at elevations of between 2000m and 2900m above… RUF-34619 2010 CC BY 4.0 8 Sep 2015