Thekdi and Nimbalkar [18] concluded that the cost of Electricity (from fossil fuels) can be the most important parameter in reporting the financial justification for WHR systems and systems. Using a theory similar to economizers, waste heat boilers recover heat generated in furnaces or exothermic chemical reactions at industrial plants. https://emilioyqeti.buyoutblog.com/31033927/hydrocarbon-heat-pumps-fundamentals-explained