coal dust

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coal dust

Occupational medicine Finely particulate carbonaceous dust, often mixed with silicates; CD is a known lung irritant intimately linked to coal workers' pneumoconiosis–black lung disease. See Coal dust macule, Coal workers' pneumoconiosis.

coal dust

causes black discoloration in lungs and bronchial lymph nodes in animals living in urban areas where coal is used for energy. Called anthracosis.
References in periodicals archive ?
In Phase 1 of this research, Harmonite replaced and/or reduced the consumption of powdered coal, and hard or soft clays.
The PCI facility - the largest of its kind in the world - blows finely powdered coal into the centre of the furnace, speeding up the steelmaking process.
It is capable of running on virtually any fuel including today's most promising new biodiesels, propane and LNG, and even clean powdered coal.
Finely powdered coal is now being blown into the blast furnace - a process that will cut costs and accelerate output.
This is what happens to the powdered coal in seacoal in your mold.
The patent-pending Praxair technology uses "hot" oxygen injected into the blast furnace blowpipe to improve the combustion rate of injected powdered coal by up to 50 percent compared to other oxygen injection methods.