Combustion products at 600 K are to be mixed with the incoming air to lower the...

 

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Combustion products at 600 K are to be mixed with the incoming air to lower the NO cmissions from the furnace in Problem 3.1. Assuming that the total mass flow rate through the furnace does not change, deternmine what fraction of the flue gases must be recycled to reduce NO, formation by 90%. What is the corresponding change in the amount of heat that can be transferred to a process requiring a temperature of 600 K? Combustion products at 600 K are to be mixed with the incoming air to lower the NO cmissions from the furnace in Problem 3.1. Assuming that the total mass flow rate through the furnace does not change, deternmine what fraction of the flue gases must be recycled to reduce NO, formation by 90%. What is the corresponding change in the amount of heat that can be transferred to a process requiring a temperature of 600 K?