Optimization of a network of compressors in parallel: Operational and maintenance planning – The air separation plant case

Georgios M. Kopanos, Dionysios P. Xenos, Matteo Cicciotti, Efstratios N. Pistikopoulos and Nina F. Thornhill

Applied Energy, 2015, vol. 146, issue C, 453-470

Abstract: A general mathematical framework for the optimization of compressors operations in air separation plants that considers operating constraints for compressors, several types of maintenance policies and managerial aspects is presented. The proposed approach can be used in a rolling horizon scheme. The operating status, the power consumption, the startup and the shutdown costs for compressors, the compressor-to-header assignments as well as the outlet mass flow rates for compressed air and distillation products are optimized under full demand satisfaction. The power consumption in the compressors is expressed by regression functions that have been derived using technical and historical data. Several case studies of an industrial air separation plant are solved. The results demonstrate that the simultaneous optimization of maintenance and operational tasks of the compressors favor the generation of better solutions in terms of total costs.

Keywords: Scheduling; Mixed integer programming; Rolling horizon; Compressors; Maintenance; Air separation (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (8)

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DOI: 10.1016/j.apenergy.2015.01.080

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