Low-Grade Waste Heat to Hydrogen
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Industrial waste heat is a source of energy that is currently not fully utilised. On a global scale, the total amount of waste heat accounts for more than 40% of the total energy use, meaning almost half of the energy consumed is wasted as heat . The waste heat potential in the EU has been estimated to be 304 TWh/year . Utilising this waste heat provides economic and environmental benefits. For example, in 2013, it was estimated to cost about 370 million USD for reducing CO2 equivalent (CO2 eq) emissions from waste heat from industries in the United Kingdom . The EU addressed this issue with a policy that recommends a reduction in GHG emissions by 40% and improvements to energy efficiency by 27% in the transportation and industrial sectors by 2030. Also, the use of H2 in the transportation sector was identified to be an alternative solution that caters to both energy efficiency and reduced CO2 emissions.
The authors are grateful to the ENERSENSE programme and NTNU Team Hydrogen at the Norwegian University of Science and Technology (NTNU) for supporting and helping on this book project.
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