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.
References in periodicals archive ?
Besides, the pulverized coal feeder speed usually is seldom adjusted, if the load is not changed.
In addition, into the branch pipe, designed for withdrawal of gases that formed in the process of heating and conversion of air and pulverized coal, a discharge pipe was installed for taking samples of gases, analysis of composition of which was made using the <<Gazokhrom 3101>> chromatograph.
According to WRA, however, electricity produced with current IGCC technology is estimated to be only 5 to 10 percent more costly than that from a new pulverized coal plant if no carbon capture is included.
The promise of coal gasification has even won, at the very least, the interest of some environmental groups that have long opposed the continued use of pulverized coal plants, even though upgrades and the adaptation of such practices as Ultra Super-critical Coal technology, which increases efficiency by roughly 10 percent, have made those plants cleaner.
Request for quotations : technological equipment for the supply of pulverized coal for the object construction of a line for the use of solid fuel at the branch number 3 izvestkoviy plant ojsc krasnoselskstroymaterialy
The company continues to expect 2012 full-year met coal production between 11.5 and 13 million mt, with approximately 75% of annual production being high-margin hard coking coal (HCC) and 25% pulverized coal injection (PCI).
The plant will be built using ultra-supercritical pulverized coal combustion technology, the company said in a news release.
"This may be the world's first near zero emissions pulverized coal unit," said John Nilson, Canada's Minister responsible for SaskPower.
The older units at Spurlock burn pulverized coal and have a combined capacity of more than 800 megawatts.
The Ministry of Power had brought out a policy for biomass utilization for power generation through co-firing in pulverized coal fired boilers in November 2017.
Access is being counted on to replace production from depleting mines and will provide access to expansion properties the company expects will produce a pulverized coal injection product.
Valmy consists of two 250-megawatt, pulverized coal generating units located 40 miles east of Winnemucca, Nevada.