Reliable and Efficient Targeting for Optimal Design of SWRO Desalination Processes

Sabla Y. Alnouri, Patrick Linke

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This work introduces a systematic seawater reverse osmosis (SWRO) membrane network synthesis approach, based on the coordinated use of process superstructure representations and global optimization. Thermodynamic insights are employed in the development of lean network representations that lead to significantly improved overall search speed as compared to previously proposed superstructure representations. Besides the extraction of the globally optimal reverse osmosis process network solution for given feed water conditions and product specifications as a design performance target, the approach further enables the systematic development of structurally distinct design alternatives. These solutions provide the design engineer with a better understanding of the design space and trade-offs between complexity and efficiency. This is achieved through the introduction of distinct membrane network design classes, which are established by partitioning the search space based on network size and connectivity. Corresponding lean superstructures are then systematically generated for each class, which capture all structural and operational variants within the corresponding design class. This enables multiple distinct optimal designs to be extracted through global optimization. The approach is illustrated with a numerical example, so as to enable comparison with previous work in the field of SWRO network synthesis.

Original languageEnglish
Pages (from-to)91-95
Number of pages5
JournalComputer Aided Chemical Engineering
Volume30
DOIs
Publication statusPublished - 2012

Fingerprint

Reverse osmosis
Desalination
Seawater
Global optimization
Osmosis membranes
Optimal design
Thermodynamics
Membranes
Specifications
Engineers
Water

Keywords

  • Desalination
  • Optimization
  • Process design
  • Reverse osmosis
  • Superstructure

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Computer Science Applications

Cite this

Reliable and Efficient Targeting for Optimal Design of SWRO Desalination Processes. / Alnouri, Sabla Y.; Linke, Patrick.

In: Computer Aided Chemical Engineering, Vol. 30, 2012, p. 91-95.

Research output: Contribution to journalArticle

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