\"border: 0px; height: 0px; margin: 0px; padding: 0px; width: 707px\"> Two tons

ID: 1827877 • Letter: #

Question

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Two tons per hour

of coal containing 54.6 wt-% Carbon, 6.4 wt-% Hydrogen, 33.8 wt-%

Oxygen, 0.4 wt-% Sulfur, 1.0 wt-% Nitrogen, and 3.8 wt-% Ash is to

be burned with 10% excess air. Air enters the furnace at 15 C, 1.1

atmospheres pressure, and 60 % relative humidity, and the off gases

leave the furnace at 300 C and 24.6 inches of mercury pressure.

Calculate the actual volumetric flow of air to the furnace, the

composition of the off gas, and the relative humidity and dew point

of the off gas. Assume complete combustion.

the answer is

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