coal dust

(redirected from Pulverized coal)
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coal dust

[′kōl ‚dəst]
(mining engineering)
A finely divided coal, sometimes defined as coal that will pass through 100-mesh screens (100 wires to the inch or 40 wires to the centimeter).
References in periodicals archive ?
For pulverized coal fired boiler, the particle size also strongly influence the UCC-FA.
It is necessary to know values of these parameters for ensuring stable burning of arc under conditions of kindling of low-grade pulverized coal fuel in furnaces of power boilers and determining of working range of parameters of the plasma arc heater--electric power source system.
Some environmentalists continue opposing the company's ongoing construction of a 750 megawatt supercritical pulverized coal plant in Pueblo, Colorado, next to two existing facilities it operates there.) Currently two other commercial-scale IGCC plants are operating in the United States, one in Indiana and one in Florida, but neither entails capture and sequestration.
But Childress does not believe that future energy mix will have a role for the kind of coal that has been traditionally produced by the nation's pulverized coal technology, which crushes the coal and burns it.
For one, Cinergy's company reports clearly spell out that it is currently emitting 74 million tons of carbon dioxide from nine pulverized coal plants.
Henry Becker, FCIC, a chemical engineering professor at Queen's University (Kingston, Ont.), simultaneously tumbles and burns pulverized coal and limestone in order to |capture' the sulphur gases from the burning coal before they go up to the smokestack.
GMCP was formed to develop, finance, build, operate and own a two-unit power plant in Mariveles, Bataan, which runs on pulverized coal and have a combined generating capacity of 690 megawatts.
Williams Station produces 640 megawatts of electricity, while Wateree Station, powered by two Riley supercritical pulverized coal boilers, generates 700 MW.
Mississippi County Judge Steve McGuire attributes the rise in revenue to the creation of new jobs and construction of the 665-megawatt pulverized coal plant in Osceola for Plum Point Energy Associates LLC.
It also will produce 20-25 percent less carbon dioxide emissions than our existing pulverized coal plants and consume approximately half the water required by a pulverized coal plant.
These granules are not yet being produced with an eye toward making them available as secondary resins, but rather as a furnace "reducing agent" to take the place or reduce the amount of heavy oil or pulverized coal that might otherwise be used.
But of the 100 or so proposed coal plants, only a couple deviate from the basic type in which pulverized coal is burned while airborne in a furnace--that dominates the industry.