Environmental Engineering Reference
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Problem 5.11
A 1000-MWel pulverized coal steam plant operating at 35% thermal efficiency rejects one-third of
the coal heating value (30 MJ/kg) to the once-through seawater cooling system. At the discharge
point the seawater can only be 5 C warmer than at the intake point. How much seawater needs to
be pumped through the cooling system (m 3 /s)?
El-Wakil, M. M., 1984. Powerplant Technology . New York: McGraw-Hill.
Decher, R., 1994. Energy Conversion . New York: Oxford University Press.
Weston, K. C., 1992. Energy Conversion . St. Paul: West Publishing Co.
Cooper, C. D., and F. C. Alley, 1986. Air Pollution Control . Prospects Heights: Waveland Press.
Takeshita, M., 1995. Air Pollution Control Costs for Coal-Fired Power Stations . Coal Research Publication
IEAPER/17. London: International Energy Association.
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