Extension of targeting procedure for "Ultimate Flowrate Targeting with Regeneration Placement" by Ng et al., Chem. Eng. Res. Des., 85 (A9): 1253-1267

Denny Kok Sum Ng, Dominic Chwan Yee Foo, Raymond R. Tan, Yin Ling Tan

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

In our earlier work [Ng, D.K.S., Foo, D.C.Y., Tan, Y.L. and Tan, R.R., 2007, Ultimate flowrate targeting with regeneration placement. Trans IChemE, Part A, Chem Eng Res Des, 85 (A9): 1253-1267], a numerical technique was presented for determining the minimum fresh water and wastewater flowrates as well as the minimum regeneration flowrate in a water network with regeneration units of fixed outlet concentration model. The term ultimate targets were introduced to denote the minimum water flowrates. However, in some special cases, the proposed procedure does not lead to the correct ultimate water targets. In this work, the limitations of the procedure are first discussed, an extension is then proposed that arrives at the correct solution for more general cases.

Original languageEnglish
Pages (from-to)1182-1186
Number of pages5
JournalChemical Engineering Research and Design
Volume86
Issue number10
DOIs
Publication statusPublished - Oct 2008

Keywords

  • Pinch analysis
  • Process integration
  • Targeting
  • Water minimisation
  • Water regeneration

ASJC Scopus subject areas

  • Polymers and Plastics

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