Energy, Volume 36, Issue 9, September 2011, Pages 5779-5790
D. Saygin (a), M.K. Patel (a), E. Worrell (b), C. Tamc, D.J. Gielen (d)
a Utrecht University, Group Science, Technology and Society, Copernicus Institute, Faculty of Science, Budapestlaan 6, 3584 CD Utrecht, The Netherlands
b Utrecht University, Department of Innovation and Environmental Sciences, Faculty of Geosciences, Heidelberglaan 2, 3584 CS Utrecht, The Netherlands
c International Energy Agency (IEA), 9, rue de la Fédération, 75739 Paris Cedex 15, France
d International Renewable Energy Agency (IRENA), IITC, Robert-Schuman-Platz 3, 53175 Bonn, Germany
Abstract
Accounting for 30% of the industry’s total final energy use, the chemical and petrochemical sector is the single largest industrial energy user. Unfortunately, because of its complexity its energy efficiency potential is not well understood.
This article analyses the energy efficiency potential on a country level if Best Practice Technologies (BPT) were to be implemented in chemical processes.
Two approaches are applied and an improved dataset referring to Europe has been developed for BPT energy use. The methodology has been applied to 66 products in fifteen countries that represent 70% of chemical and petrochemical sector’s energy use worldwide. Results indicate a global energy efficiency potential of 16% for the sector, excluding savings in electricity use and by higher levels of process integration, combined heat and power (CHP) and post-consumer plastic waste treatment. The results are more accurate than previous estimates. A combination of benchmarking and country level analysis is recommended.
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