The main objective of this work is to evaluate the performance of four different types of biochars in removing heavy metals from synthetic solution. Four types of biochars are investigated in this study, namely; jazaurin, ficus, orange, and mango biochars. A pilot plant is set up...
Open access
Research Article10.9734/jerr/2020/v19i417239
Beans play a significant role in human diet especially in developing nations like Nigeria, the largest producer and consumer of beans in the world. To ensure food safety, heavy metal levels need to be monitored on regular basis to control human exposure through dietary intake. Th...
Open access
Research Article10.9734/jeai/2020/v42i1130618
To assess and compare the levels of arsenic, cadmium, mercury and lead, in common seafoods (mudskippers, periwinkle and Shrimp) consumed in Rivers state obtained from different creeks of Rivers State Nigeria. Study Design: Commonly consumed seafoods in Rivers State: Periopthalmus...
Open access
Research Article10.9734/jamps/2020/v22i1030198
The concentration of heavy metals (Cd, Pb, Ni, As, Cr, Mn, Cu, and Zn) in sweet potato (Ipomoea batatas), yam (Dioscorea ssp), and cassava (Manihot esculenta) in four farm locations in some local government areas of Enugu North District was determined. Samples were prepared follo...
Open access
Research Article10.9734/ajacr/2020/v7i230176
The study assessed the levels of Nitrogen, Phosphorous and some heavy metals in Matara-Uku wetland. Twenty water samples were collected from surface water of Matara-Uku using polyethene plastic container, the physicochemical parameters of the samples were measured and the samples...
Open access
Research Article10.9734/jalsi/2020/v23i1130193
This study was aimed to evaluate the residual heavy metals concentrations, within the soil of a former petroleum spill site. Soil samples were spatially collected from five locations within a former petroleum spill site, located at Ozoro in Isoko North Local Government Area of De...
This study investigated the potential of some agricultural wastes viz; African Star apple seed shell (ASS, plant source), crab shell (CS, animal source) and chicken egg shell (ES, animal source) as eco-friendly and low-cost biological materials for the removal of heavy metals fro...
Open access
Research Article10.9734/ajacr/2020/v7i130173
Melford C. Egbujor, Ogechi J. Ogbodo, Jacob A. David, Eramus O. Anieze, Ifeanyi S. Amasiatu & Pius I. Egwuatu·Asian Journal of Chemical Sciences·2020
The physicochemical properties and the concentrations of heavy metals of water samples collected from four different rivers of Nkanu east and west Local Government Areas of Enugu of state Nigeria were investigated because of the prevalent water borne diseases in these localities...
Open access
Research Article10.9734/ajocs/2020/v8i419050
The Nile tilapia, Oreochromis niloticus, is a tropical fish species of commercial importance in both aquaculture and in the wild. It plays a great role in human nutrition and food security. River Ruiru is one of the rivers faced with pollution from nearby industries. It is inhabi...
Open access
Research Article10.9734/jalsi/2020/v23i930185
This study analysed the levels of some heavy metals like copper (Cu), cadmium (Cd), chromium(Cr), nickel (Ni) and lead (Pb) present in selected food spices widely used in Port Harcourt, Rivers State, Nigeria. The Atomic Absorption Spectroscopy (AAS) and wet digestion was used for...
Open access
Research Article10.9734/cjast/2020/v39i3030971
The quality of water sources should be tested regularly for various parameters of interest to ensure it meet the standard qualities required for intended use(s). Thus, the suitability of Usuma dam water for domestic use in Nigeria’s Federal Capital Territory Abuja was assessed. T...
Open access
Research Article10.9734/ajee/2020/v13i330185
Background: Thermodynamic parameters are important in determining the feasibility and spontaneity of an adsorption process. They are also vital in estimating adsorptive mechanisms (i.e., physiosorption, ion exchange or chemisorption). Accurate calculation of these thermodynamic p...
Chinedu Ifeanyi Atama, Chioma Julieth Onovo, Chioma Janefrances Okeke, Ossai Nelson & Christopher Didigwu Nwani·Annual Research & Review in Biology·2020
The multiple industrial, domestic, agricultural, medical, and technological applications of heavy metals have led to their wide distribution in the environment, raising concerns over their potential effects on human health and the environment. This work focused on the determinati...
Open access
Research Article10.9734/arrb/2020/v35i1030285
The present work aims at assessing the hazard quotient (HQ) in the groundwater samples collected around Uyo main refuse dumpsite. For calculating the HQ, 17 parameters, namely, temperature, pH, TDS, TSS, BOD, COD, nitrate, Cu, Ni, Pb, Cd, Cl, total phosphate, sulfate, EC, DO and...
Open access
Research Article10.9734/ajarr/2020/v14i130321
Aim: The use of copper-based preservatives such as chromated copper arsenate (CCA) and creosote to prolong the life of lumber present environmental concerns because they contain heavy metals and polycyclic aromatic hydrocarbons which are toxic to humans. The aim of this study was...
Open access
Research Article10.9734/ajacr/2020/v6i430168