Waste Heat Recovery

Industrial waste heat refers to energy that is generated in industrial processes without being put to practical use. Sources of waste heat include hot combustion gases discharged to the atmosphere, heated products exiting industrial processes, and heat transfer from hot equipment surfaces. Waste heat losses arise both from equipment inefficiencies and from thermodynamic limitations on equipment and processes. The Energetics study conducted in 2004 evaluates energy losses at multiple stages of manufacturing. It does not quantify waste heat losses, but acknowledges that these losses may total 20% to 50% of energy delivered to plants.

Waste heat recovery entails capturing and reusing the waste heat in industrial processes for heating or for generating mechanical or electrical work. Heat recovery technologies frequently reduce the operating costs for facilities by increasing their energy productivity. Dickinson Energy is therefore focused in technology development, engineering consultation, engineering design, general contracting and engineering services to provide manufacturers with their own personalized solution for Waste Heat Recovery with a major emphasis on generating electricity, the electricity could then be used to power parts of the factory. It remains however difficult to access and recover heat from unconventional sources such as hot solid product streams (e.g., ingots) and hot equipment surfaces (e.g., sidewalls of primary aluminum cells).

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