A 1000 MW coal-burning power plant is burning West Virginia bituminous coal with 8% ash content. The power plant is 33% efficient, with 35% of the ash settling out in the firing chamber as bottom ash. A simplified schematic diagram is shown below. Assume 3.5 kWh per pound of coal. (a) Draw an energy diagram for the facility and calculate the rate of heat emitted to the environment in kJ/s; (b) Determine the rate of coal input to the furnace in kg/day; and (c) Assuming that the electrostatic precipitator (ESP) is 99% efficient, calculate the rate of fly ash emitted to the atmosphere in kg/day. Coal Furnace Bottom ash Gases and fly ash ESP Fly ash Exit gases and fly ash Stack
A 1000 MW coal-burning power plant is burning West Virginia bituminous coal with 8% ash content. The power plant is 33% efficient, with 35% of the ash settling out in the firing chamber as bottom ash. A simplified schematic diagram is shown below. Assume 3.5 kWh per pound of coal. (a) Draw an energy diagram for the facility and calculate the rate of heat emitted to the environment in kJ/s; (b) Determine the rate of coal input to the furnace in kg/day; and (c) Assuming that the electrostatic precipitator (ESP) is 99% efficient, calculate the rate of fly ash emitted to the atmosphere in kg/day. Coal Furnace Bottom ash Gases and fly ash ESP Fly ash Exit gases and fly ash Stack
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter9: Energy And Chemistry
Section: Chapter Questions
Problem 9.94PAE
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