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Exergy Analysis of the Steam Network in Tehran Oil Refinery and Evaluation with New Scenario
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The importance of energy crisis and global warming necessitates to present strategies in order to decrease the amount of emissions as well as fuel consumption in large and complex industries such as refining and petrochemical. In this paper, the steam network in Tehran oil refinery is selected as a case study, after simulation and optimization of the steam network the best scenario is selected regarding to minimum total annualized cost with considering minimum carbon dioxide reduction. From the exergy analysis it can be notified that the main parts of Exergy losses occurs in the boilers in the exist model. In the best scenario that is selected with considering different functions, the amount of exergy losses decrease significantly because of retrofit in the steam generation sources as well as variation of the types of fuel consumption. The final results are: decrease the amount of exergy destruction in the retrofit scenarios consequently, reduce total annualized cost as well as reduce carbon dioxide emission.
Khodaei, H.; Taheri, R.; Arghandeh, R. (2009). Exergy Analysis of the Steam Network in Tehran Oil Refinery and Evaluation with New Scenario. Energy Systems Laboratory (http://esl.tamu.edu). Available electronically from