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.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
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.
1 gram of accurately weighed powdered coal was heated with concentrated sulfuric acid along with potassium sulfate K2SO4 (catalyst) in a long necked flask (kjeldihas flask).
For integrated steel producers this can mean retrofitting blast furnaces for granulated or powdered coal injection, eliminating coke altogether.
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 PCI process will blow powdered coal into the heart of the blast furnace, speeding up production from 8,500 tonnes to 10,000 - or nearly enough to build half a Transporter Bridge - a day.