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Coal dust suspended in air is explosive—coal dust has far more surface area per unit weight than lumps of coal, and is more susceptible to spontaneous combustion. As a result, a nearly empty coal store is a greater explosion risk than a full one.

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Explosion protection for lowsulfur coal. By Bill Copelin and Ralph Foiles, Fike Metal Products. The 1990 Clean Air Act Amendments (CAAA) have induced a number of utilities and other power ...

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Coal Dust Explosions in the Cement Industry National Chemical . KEY WORDS: coal dust, fires and explosions, cement plants, coal fired History. In the 1960s a large number of cement and electric utility power plants converted from coal as mill may produce sufficient heat and sparks to initiate a fire or an explosion. . Explosion venting ...

Officials say an Alaska coal plant created to generate cheap energy is expected to be operational next year. ... A second mill puff explosion halted the plant again in November 2016.

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