Institute of Chemical Engineering page 1 Achema 2012 Thermal Process Engineering Energy optimization of industrial sites

Institute of Chemical Engineering page 2 Achema 2012 Thermal Process Engineering Energy optimization of industrial sites  Data extraction and analysis  Heat Exchanger Network (HEN) optimization  HEN synthesis software „TVTHENS“ for industrial-scale problems *  New process technologies  Absorption chillers/heat pumps simulation with „TRNSYS“  Renewable energy systems  Geothermal/solar thermal systems simulation with „TRNSYS“ [*] A. Modarresi, A. Miltner, A. Friedl, M. Wiesinger, BESTENS AUSGENUTZT, Chemie Technik, 04 (2011), pp

Institute of Chemical Engineering page 3 Achema 2012 Thermal Process Engineering  Heat exchanger network optimization Pinch analysis Grand and Composite curves Exergy block diagram Maximum heat integration and minimum Utilities demand Targeting Minimization of the Utilities demand Heat load distribution Minimization of the number of heat exchangers HEN Optimization Simultaneous minimization of the Utilities demand and number of heat exchangers as well as minimization of overall heat exchange area Retrofit Energy optimization of industrial sites TVTHENS * More than 6000 lines of code in Mathematica [*] A. Modarresi, P. Kravanja, A. Friedl, Pinch and exergy analysis of lignocellulosic ethanol, biomethane, heat and power production from straw, Applied Thermal Engineering, 2012, [*] A. Modarresi, P. Kravanja, A. Friedl, Pinch and exergy analysis of lignocellulosic ethanol, biomethane, heat and power production from straw, Applied Thermal Engineering, 2012,

Institute of Chemical Engineering page 4 Achema 2012 Thermal Process Engineering Energy optimization of industrial sites Prepared dataExtracted data Pinch analysis Heat exch. network Mixed Integer Linear Program

Institute of Chemical Engineering page 5 Achema 2012 Thermal Process Engineering Energy optimization of industrial sites  New process technologies and renewable energy systems  Simulation of geothermal/solar thermal assisted absorption chillers/heat pumps TRNSYS Simulation

Institute of Chemical Engineering page 6 Achema 2012 Thermal Process Engineering Energy optimization of industrial sites Acknowledgements The project is supported by the “Klima- und Energiefonds“(NEUE ENERGIEN 2020) and the “FFG“ as well as by the „Lenzing Fibers GmbH“. Heat pump Absorption Chiller Heat pump Absorption Chiller Solar thermal energy Geothermal energy Simulation