To reduce the stack loss, heat recovery from flue gas can be done by_____________________?
(A) Preheating of cold stock
(B) Preheating of combustion air
(C) Steam generation in waste heat boilers
(D) All
To reduce the stack loss, heat recovery from flue gas can be done by_____________________?
(A) Preheating of cold stock
(B) Preheating of combustion air
(C) Steam generation in waste heat boilers
(D) All
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