An industrial boiler using coal as fuel source emits 5000 kg/year of NOx, which consists of 85 wt% NO and balance NO2. The company decided to install a selective non-catalytic reduction (SNCR) system to remove NOx in compliance of NOX regulation. The SNCR process is described as follows: (i) (ii) 4 NH3 +4 NO +0₂ → 4 N₂ + 6H₂O 4 NH3 + 2 NO₂ + O2 →3 N₂ + 6H₂O Assume the daily ammonia (NH3) consumption of 4 kg/day is completely used to react with NO and NO2, compute the percentage NOx removal efficiency of this SNCR system. 6 NO₂ + NO You have just joined the company and recommend to retrofit this SNCR to selective catalytic reduction (SCR) system. Discuss the reason to justify your recommendation.

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Pls solve both parts (i)-(ii) of the question asap STRICTLY TO BE HANDWRITTEN

) An industrial boiler using coal as fuel source emits 5000 kg/year of NOx, which
consists of 85 wt% NO and balance NO2. The company decided to install a
selective non-catalytic reduction (SNCR) system to remove NOx in compliance of
NOX regulation. The SNCR process is described as follows:
(i)
(ii)
4 NH3 + 4 NO + O₂ → 4 N₂ + 6H₂O
->>
4 NH3 + 2 NO2 + O₂ →3 N₂ + 6H₂O
Assume the daily ammonia (NH3) consumption of 4 kg/day is completely
used to react with NO and NO2, compute the percentage NOx removal
efficiency of this SNCR system.
f
NO₂ + NO
You have just joined the company and recommend to retrofit this SNCR to
selective catalytic reduction (SCR) system. Discuss the reason to justify your
recommendation.
numel
Transcribed Image Text:) An industrial boiler using coal as fuel source emits 5000 kg/year of NOx, which consists of 85 wt% NO and balance NO2. The company decided to install a selective non-catalytic reduction (SNCR) system to remove NOx in compliance of NOX regulation. The SNCR process is described as follows: (i) (ii) 4 NH3 + 4 NO + O₂ → 4 N₂ + 6H₂O ->> 4 NH3 + 2 NO2 + O₂ →3 N₂ + 6H₂O Assume the daily ammonia (NH3) consumption of 4 kg/day is completely used to react with NO and NO2, compute the percentage NOx removal efficiency of this SNCR system. f NO₂ + NO You have just joined the company and recommend to retrofit this SNCR to selective catalytic reduction (SCR) system. Discuss the reason to justify your recommendation. numel
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