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Explanation of the explosion advanced by members of mine rescue crews is that a pocket of carbon monoxide gas became ignited by spontaneous combustion The disaster was the first major accident the mine had suffered Many of the dead in last night s disaster were married men with large families

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HOLMES MILL Ky Three of the five miners killed in an explosion in an eastern Kentucky coal mine likely survived the initial blast but died of carbon monoxide poisoning a coroner said Sunday

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Mine Gases Questions and Answers Conversion Tip Percent and PPM Name the common gases found in coal mines following a mine fire or explosion A Carbon monoxide Carbon Dioxide Methane Oxygen Nitrogen Hydrogen and other hydrocarbons Q Name the non explosive gases found in coal mines A Carbon Dioxide CO 2 and Nitrogen N 2 Q

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COAL HANDLING SAFETY Land Instruments International Carbon monoxide monitoring provides a rapid and reliable method for the detection of potentially dangerous coal oxidation within a mill so that action can be taken to reduce the risk of a fire or explosion

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Molecules in coal break apart initiating chemical reactions that produce a mixture of CARBON MONOXIDE CO HYDROGEN H2 and other gaseous compounds SYNGAS 3 Major Drawbacks of Using Coal Difficult to transport and mine a dirty fuel releases Mercury SOx and NOx acid rain contributes to global warming

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The worst of these disasters was an explosion that killed 362 people in a coal mine in Monongah W Va in 1907 An explosion similar to this week s occurred at Sago Mine in Buckhannon W Va in 2006

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Pressure Piling Primary secondary Explosions and Hybrid Mixtures Dust D 10 V1 3 i e Considerably larger than for a gas explosion Pittsburgh Coal Neighborhood and elementary school near plant evacuated Interstate 75 closed

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Laboratory experiments were conducted to investigate carbon monoxide CO and carbon dioxide CO 2 emissions from spontaneous heating of three U S coal samples in an isothermal oven at temperatures between 50 and 110 °C The oxygen O 2 concentration of an oxygen nitrogen N 2 mixture flowing through the coal sample was 3 5 10 15 and 21 respectively

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Carbon Monoxide Poisoning Carbon monoxide poisoning symptoms can be similar to those of a gas leak If you re exposed to carbon monoxide it can be fatal If you think you or your loved one are experiencing carbon monoxide poisoning seek emergency medical treatment immediately Symptoms can include Red lips Pink skin Nausea Lack of muscle

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A dust explosion is the rapid combustion of fine particles suspended in the air within an enclosed location Dust explosions can occur where any dispersed powdered combustible material is present in high enough concentrations in the atmosphere or other oxidizing gaseous medium such as pure oxygen In cases when fuel plays the role of a combustible material the explosion is known as a fuel

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A gigantic explosion of flour dust destroyed a mill in Minnesota on May 2 1878 Where the dust is carbon based such as in a coal mine incomplete combustion may cause large amounts of carbon monoxide the miners after damp to be created This can cause more deaths than the original explosion as well as hindering rescue attempts

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carbon gives a rough estimate of heating value of coal Volatile Matter Volatile matters are the methane hydrocarbons hydrogen and carbon monoxide and incombustible gases like carbon dioxide and nitrogen found in coal Thus the volatile matter is an index of the gaseous fuels present Typical range of volatile matter is 20 to 35

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Most explosions in coal mill plants have their initial ignition location within the panels and you have no containment in which to allow the inert gas to fill the

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Stone Crushing Machine Bag filters used for the coal mill rank as one of the highest fire and explosion hazards in cement plants due to the small particle size of the crushed coal 3 Electrostatic Precipitators Buildup of explosive mixtures like finely dispersed coal dust in air or carbon monoxide in air can result in an explosion hazard in Electrostatic Read More

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Coal Combustion

Coal Coal Sources Coal Applications Main Processes in Coal Combustion The physical processes influencing pulverized coal combustion From Fumifugium by John Evelyn 1661 on London s air pollution Coal Combustion Air Pollutants Carbon Dioxide CO2 Carbon monoxide CO Particulate Matter PM controls AP 42 EPA Trace metals Organic

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Chapter 73 Iron and Steel

Therefore the countries possessing iron ore deposits near coal fields are no longer Rolling mills are discussed elsewhere in this chapter foundries forging and Water entrapped by molten metal or slag may generate explosive forces that They contain large amounts of carbon monoxide blast furnace gas 22 to 30

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Industrial Hygiene Slide Presentation

Industrial hygiene is the science of anticipating recognizing evaluating and controlling workplace conditions that may cause workers injury or illness Industrial hygienists use environmental monitoring and analytical methods to detect the extent of worker exposure and employ engineering work practice controls and other methods to control