The Maiganga Coal Mine Drainage and Its Effects on Water Quality, North Eastern Nigeria
Journal Title: International journal of Emerging Trends in Science and Technology - Year 2016, Vol 3, Issue 7
Abstract
A hydrogeological study was carried out in Maiganga and environ, Gombe State. The aim of the research was to determine the major, trace, and rare earth elements content in effluent discharge from the coal mine and its effect on groundwater and surface water bodies used for drinking and other uses. Twenty five water samples from different sources (2-hand dug wells, 1-Formation water, 1-mine pond, 2- boreholes and 20 drainage channel samples) were collected and analyzed. Analyses of the samples were done at ACME Laboratories Vancouver, Canada and Geology and Mining Department, University of Jos. The combined ICPAES/ICPMS were used to analyze the major cations, trace and rare earth elements; Ion Chromatography was used to detect the anions and bicarbonate by titration method. Analysis of coal shows the following results of trace and rare earth elements: Cu – 1.4 mg/l, Zr – 0.54 mg/l, Zn – 0.2 mg/ l, Ni – 0.08 mg/l, V – 0.34 mg/l, Rb – 0.05 mg/l, Fe – 0.054 mg/l, while the results of As, Sn, Th, Te W, and the others trace and rare earth elements are below detectable limits. Low values of these elements in both the groundwater and the stream channel around Maiganga village shows little or no influences of effluent discharge on these water bodies. The pH range of 7.3 – 9.2 in the drainage channel indicates that the water is neutral to alkaline; and this was due to the neutralization effect of calcium carbonate on sulphate from the pyrite mineral in the coal, whose sulfur and iron content are very low. All values for physical and chemical parameters in the other sources of water are within the W.H.O maximum permissible limit for drinking and livestock uses.
Authors and Affiliations
Onsachi, J. M
Keywords
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