Tuesday, March 19th, 2019

Targeting for energy efficiency and improved energy collaboration between different companies using total site analysis (TSA)

Publication year: 2011brbSource:/b Energy, In Press, Corrected Proof, Available online 9 April 2011brRoman, Hackl , Eva, Andersson , Simon, HarveybrRising fuel prices, increasing costs associated with emissions of green house gases and the threat of global warming make efficient use of energy more and more important. Industrial clusters have the potential to significantly increase energy efficiency by energy collaboration. In this paper Sweden’s largest chemical cluster is analysed using the total site analysis (TSA) method. TSA delivers targets for the amount of utility consumed and generated through excess energy recovery by the different processes. The method enables investigation of opportunities to deliver waste heat from one process to another using a common utility system.The cluster consists of 5 chemical…br Highlights: ► Total site analysis applied to a chemical cluster with separate utility systems. ► A common integrated utility system could increase energy recovery and avoid all steam produced using purchased fuel. ► Initial external hot utility demand of the cluster of 122MW can be covered by excess process heat after implementation of suggested utility system changes. ► 50% of energy savings are judged to be achievable with moderate changes. ► 92% of energy savings are judged to be achievable by implementing moderate and more complex changes.

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