A systems integration approach to the optimum operation and scheduling of biocide usage and discharge for seawater cooling systems
by Abdullah Bin Mahfouz; Selma Atilhan; Bill Batchelor; Patrick Linke; Ahmed Abdel-Wahab; Mahmoud M. El-Halwagi
International Journal of Process Systems Engineering (IJPSE), Vol. 2, No. 1, 2012

Abstract: The objective of this work is to develop a systematic approach to the optimal design and integration of seawater cooling systems in industrial facilities along with the usage and discharge of biocides. Specifically, the paper will address the following tasks: 1) identification of the reaction pathways for the biocide from the mixing basin to the discharge points; 2) kinetic modelling of the biocide and by-products throughout the process; 3) a process integration framework to provide a holistic approach to optimising the design and operation of the seawater cooling systems, along with the dosage and discharge systems. A hierarchical procedure is developed to first identify design modifications for heat integration and energy efficiency. Then, a multi-period, multi-segment optimisation formulation is developed and solved to identify the optimal operation and scheduling of biocide usage and discharge. A case study is solved to illustrate the applicability of the devised approach.

Online publication date: Sat, 16-Aug-2014

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