Four top burners on a gas range are being operated in a 24-hour commercial kitch

Question

Four top burners on a gas range are being operated in a 24-hour commercial kitchen that is open six days a week (M-Sat). The kitchen has a volume of 1000m^3. Air is pushed through the kitchen via a fan at a 0.15 ach. For this kitchen, the concern is Nitrous (NOx as N) concentrations. The concentration of nitrous in the outdoor air is 100 ppb.
a) Determine the emission rate of nitrous from the range.
b) Find the concentration of nitrous (N2O) in the ambient air in ug/m^3.
c) If you assume nitrous (N2O) is a conservative pollutant, what is the concentration at 3 hours after range is turned on for business if you assume the initial concentration is the same as the ambient air.
d) If you assume the nitrous has a typical decay rate, what would be the concentration at 3 hours?
e) What would be the concentration with decay if the burners were left on indefinitely?
f) Are these levels of nitrous dangerous?

Explanation / Answer

I´ll answer the first question, if you want the others answer, attach them in a new question.

1000*0.15=150m3

0.0001g/150m3=6.6*10-7 g/m3

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