Abstract
Respirable dust is everywhere (in the surface and underground mine) operations and its environs. Ririwai Tin mine is laden with dust of metallic particles of Arsenic (As), Chromium (Cr), Lead (Pb) and Zinc (Zn). These particles are also found in the soil. Continuous inhalation of dust could lead to irreversible diseases. This paper addresses the control of dust, using previous review of prevailing metallic concentrates. This research answers questions like which are the dust control strategies to be adopted by Ririwai tin mine to obtain best practice? What challenges will Ririwai tin mine face when applying dust control methods in their operation? What is the impact of dust laden with metallic particles on soil, water, vegetation and man in Ririwai tin mine?
Highlights
Dust generation and its dispersion has been the major concern in open cast mines
Major mining activities in deep open pit mines range from exploration to the processing of end product that primarily contribute particulate matter (PM), dominantly PM10 leading to the problem of air pollution and related health hazards
Heavy metals trapped in dusts can cause health problems at higher exposures and destroy aquatic organism when settled and leached into the soil, and into water bodies
Summary
Dust generation and its dispersion has been the major concern in open cast mines. Major mining activities in deep open pit mines range from exploration to the processing of end product that primarily contribute particulate matter (PM), dominantly PM10 leading to the problem of air pollution and related health hazards (like pneumoconiosis-black lungs, silicosis and asbestosis). Heavy metals trapped in dusts can cause health problems at higher exposures and destroy aquatic organism when settled and leached into the soil, and into water bodies. Its residues in contaminated habitats may accumulate in microorganisms, aquatic flora and fauna, which in turn enters the human food chain and result in health problems, like the lead poisoning problems in Zamfara State that kills more than 400 children(Galadima and Garba, 2012)
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