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Students will be able to understand the environmental factors that concerns with the mines.
• Students will have an understanding on mine Gasses
• during the mines hazards, airborne respirable dust and illumination survey.
• Evaluation System
• As per the University Norms.
Atmospheric air composition, mine air composition and comparison, Mine gases-origin, occurrence, physiological effects, detection, monitoring and control. Methane layering, degasification of coal seams, production, assessment, physiological effects and control.
Determination of CO, CH4, H2S, SO2, O2, CO2, Nitrous fumes by corresponding detectors. Detection of methane by different types of methano meters & flame safety lamp.
Sources of heat in mines, effects of heat and humidity in mines, testing methods and devices: psychometry, kata thermometer, control methods or improving of cooling power of mine air: Air conditioning basic vapor cycle, representative layout.
Explosions: Types, mechanism, ignition temperature, lag on ignition, Causes and preventive measures of underground explosions (Fire damp and coal dust explosions) causes and preventive measures. Stone dusting, stone dust and water barriers, investigation after explosion.
Spontaneous heating: Mechanism, factors governing spontaneous heating, stages of spontaneous heating, symptoms of spontaneous heating in underground mines, detection and prevention of Spontaneous heating, interpretation of mine air samples, Graham’s index, and problems on Graham’s index. Incubation period
Detection of different gases by Gas – Chromatograph.
Mine Inundation :
Causes of inundation by surface and underground water by opencast and underground mines, Design and construction of Boundary barriers, Panel barriers, and Water dams.
Airborne respirable dust :
Generation, dispersion, measurement, and control; physiological effects of dust, dust-related diseases.
Rescue & Recovery and its Scope. Rescue organization, Rescue stations, Rescue teams Selection Initial & refresher training. Rescue apparatus self-contained portable breathing apparatus, Gasmasks, Smoke helmets, Self Rescuers, Reviving apparatus with actual rescue operations
Study and uses of self rescuer Gas mask, smoke helmet. 8. Study and use of reviving apparatus.
Elements of Mining Technology Vol 2, Deshmukh DJ, Denett& Company. Mine Environmental Engineering, Volume I Mritunjoy Sengupta, CRC Press