Producing power from exhaust heat more efficiently with innovative Organic Rankine Cycle solutions

In both industrial and power generation process, the efficiency range of energy conversion is usually between 20% and 50% with a great amount of heat at a variety of temperatures, lost through exhaust gases or cooling stream. In parallel, the increasing electricity price combined with the introduction of environmental regulation leads to a higher cost for electricity production and purchase. Under this scenario of increasing electricity price and the tightening of environmental regulations the demand for waste heat recovery is continuously growing in popularity.This paper focuses on a method to recover part of the waste heat from industrial processes and engines and to produce electricity using low-medium enthalpy sources through an Organic Rankine Cycle with the innovative Radial Outflow Turbine (ROT) developed by Exergy. Thanks to the ROT turbine EXERGY’s ORC solutions allow power plants to reach higher efficiency and flexibility when compared to systems using axial turbines. thus leading to increased profitability and reduced carbon emissions.  

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