Waste heat recovery unit: Difference between revisions

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== Advantages ==
The recovery process will add to the efficiency of the process and thus decrease the costs of fuel and energy consumption needed for that process.<ref>{{Cite web |title=Tapping Industrial Waste Heat Could Reduce Fossil Fuel Demands |url=https://www.sciencedaily.com/releases/2009/04/090401102235.htm Tapping|access-date=2024-03-17 Industrial|website=ScienceDaily Waste Heat Could Reduce Fossil Fuel Demands|language=en}}</ref>
 
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===Indirect benefits===
* Reduced [[pollution]]: [[Thermal pollution Thermal]] and [[air pollution|air]] pollution will dramatically decrease since less [[flue gases]] of high temperature are emitted from the plant since most of the energy is recycled.
* Reduced equipment sizes: As fuel consumption reduces, the control and security equipment for handling the fuel decreases. Also, filtering equipment for the gas is no longer needed in large sizes.
* Reduced auxiliary energy consumption: Reduced equipment sizes means another reduction in the energy fed to those systems like pumps, filters, fans,...etc.<ref>{{Cite web|url=https://www.em-ea.org/|title=Energy Managers & Auditors Alliance}}</ref>
 
== Disadvantages ==
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* Capital cost to implement a waste heat recovery system may outweigh the benefit gained in heat recovered. It is necessary to put a cost to the heat being offset.
* Often waste heat is of low quality (temperature). It can be difficult to efficiently utilize the quantity of low quality heat contained in a waste heat medium.