A bituminous coal has the following analysis: 74.4% C, 5.1% H, 1.4% N, 6.7% O, 0.7% S and 11.7% ash. It is burned with excess air to generate electricity power in a power station at the feed rate of 50 kg/s. The temperature of the flue gas is 1100 K. Assuming that the molar ratio of NO to NO₂ in the flue gas is 1:1, and they are the only forms of NOx present in the flue gas. If NH3 is to be injected to the flue gas to control NOx, how much NH3 would be required per day (assuming no excess NH3 is required). At 1100 K: 2NO2 + 4NH3 + O₂ → 3N2 + 6H₂O 4NO + 4NH3 + O₂ → 4N2 + 6H₂O. Select one: a. 100.16 ton/day Ob. 990.16 ton/day C. 120.16 ton/day d. 110.16 ton/day

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Chapter1: Chemical Foundations
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Treatment Q1.3
A bituminous coal has the following analysis: 74.4% C, 5.1% H, 1.4% N, 6.7% O, 0.7% S and 11.7% ash. It is burned with
excess air to generate electricity power in a power station at the feed rate of 50 kg/s. The temperature of the flue gas is
1100 K. Assuming that the molar ratio of NO to NO₂ in the flue gas is 1:1, and they are the only forms of NOx present in
the flue gas. If NH3 is to be injected to the flue gas to control NOx, how much NH3 would be required per day (assuming
no excess NH3 is required).
At 1100 K:
2NO2 + 4NH3 + O₂ → 3N₂ + 6H₂O
4NO + 4NH3 + O₂ → 4N2 + 6H₂O.
Select one:
a. 100.16 ton/day
b. 990.16 ton/day
c. 120.16 ton/day
d. 110.16 ton/day
Clear my choice
Transcribed Image Text:Treatment Q1.3 A bituminous coal has the following analysis: 74.4% C, 5.1% H, 1.4% N, 6.7% O, 0.7% S and 11.7% ash. It is burned with excess air to generate electricity power in a power station at the feed rate of 50 kg/s. The temperature of the flue gas is 1100 K. Assuming that the molar ratio of NO to NO₂ in the flue gas is 1:1, and they are the only forms of NOx present in the flue gas. If NH3 is to be injected to the flue gas to control NOx, how much NH3 would be required per day (assuming no excess NH3 is required). At 1100 K: 2NO2 + 4NH3 + O₂ → 3N₂ + 6H₂O 4NO + 4NH3 + O₂ → 4N2 + 6H₂O. Select one: a. 100.16 ton/day b. 990.16 ton/day c. 120.16 ton/day d. 110.16 ton/day Clear my choice
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