Mine gas refers to various harmful vapours produced during mining operations. Carbon monoxide (white damp) is a particularly toxic gas; as little as 0.1% can cause death within minutes. It is a product of the incomplete combustion of carbon and is formed in coal mines mainly by oxidation of coal, particularly in those mines where spontaneous combustion occurs.
Gas in mines is an ever-present hazard. An underground mine is an inhospitable place in which to work. Gas poisoning and explosion is a major hazard, with many different types of gas commonly present in mines. Black damp, a mixture of carbon dioxide and nitrogen, is formed because of corrosion and enclosed spaces so removing … Read more Flammable gas sensing Technology improves Mine safety