Sustaining high energy efficiency in existing processes with advanced process integration technology

CATEGORY: CDU – CRUDE DISTILLATION UNIT
Applied Energy, Available online 29 March 2012, In Press, Corrected Proof
Sustaining high energy efficiency in existing processes with advanced process integration technology
Nan Zhang a, b, Robin Smith a, b, Igor Bulatov a, Jiří Jaromír Klemeš c
a Centre for Process Integration, School of Chemical Engineering and Analytical Science, The University of Manchester, Manchester M13 9PL, UK
b Process Integration Limited, One Central Park, Northampton Road, Monsall, Manchester M40 5BP, UK
c Centre for Process Integration and Intensification – CPI2, Research Institute of Chemical and Process Engineering, Faculty of Information Technology, University of Pannonia, Egyetem u. 10, Veszprém 8200, Hungary
Abstract
Step changes in emission reduction have been emphasized, by developing new process technology and making renewable energy more affordable. However, the energy saving potential of existing systems should not be ignored.
There have been significant advances in process integration technology with better modeling techniques and more advanced solution methods. The methods have been applied to the new design and retrofit studies in the process industry. The authors apply these technologies to improve the environmental performance of existing facilities with operational changes. An industrial project was carried out to demonstrate the importance and effectiveness of exploiting the operational flexibility for energy conservation.
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