question archive Propane is to be burned with 22% excess air
Subject:ChemistryPrice:2.88 Bought9
Propane is to be burned with 22% excess air. Before entering the furnace, the air is preheated from 32oF to 575oF. At what rate (Btu/h) must heat be transferred to the air if the feed rate of propane is 135,000 SCFH?