By: Abdul Samad --
03 August, 2012
Dust is one of the major challenges faced by the mining industry. The major sources of dust in mines include different phases of mining operations such as Exploration- during drilling & blasting, Material movement ï¾Ãƒâ€šÃ‚Æ’?? transportation & conveying and Material processing ï¾Ãƒâ€šÃ‚Æ’?? i.e., crushing & grinding. Dust is, visibly, one of the most irritating problems in mines. Its visibility often raises concerns on its impact on the environment and health conditions of the workers. It endangers the flora and fauna near the mines; dust settles on the leaves of plants blocking sunlight, thereby preventing photosynthesis, which gradually leads to the death of plants. Apart from hindering visibility of the workers, dust causes many diseases, especially serious respiratory disorders, like asthma, silicosis (caused when the dust contains silica). Most dusts contain metal particles that are hazardous to health. Dust not only poses health and environmental hazards but also affects the performance of equipment by settling on engines, chassis, etc. Dust control is necessary due to both health hazards and industrial problems. Excessive dust emissions can cause eye, nose, throat, skin irritation apart from respiratory diseases. Dust has a potential risk of explosions and fires especially in coal mines. It can cause unpleasant odors and is a potential problem in community relations, which has become a major area of concern for mines. The type and level of dust, generated in any mine, varies depending on the type of mine, topography, weather conditions, working methods, ore characteristics and the type of equipment used.
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