Energy efficient water utilization systems in process plants

Miguel Bagajewicz, Hernán Rodera, Mariano Savelski

Research output: Contribution to journalArticle

154 Scopus citations

Abstract

This paper introduces a new approach for the design of water utilization networks featuring minimum freshwater usage and minimum utility consumption in process plants. The procedure is confined to treat the single pollutant case, and it is based on a linear programming formulation that relies on necessary conditions of optimality and a heat transshipment model. An LP model is first solved to obtain minimum water usage and minimum heating utility target values. Once the energy and water targets have been identified, an MILP model is generated. This model, which accounts for non-isothermal mixing, provides the information needed to construct the water reuse structure as well as the corresponding heat exchanger network.

Original languageEnglish (US)
Pages (from-to)59-79
Number of pages21
JournalComputers and Chemical Engineering
Volume26
Issue number1
DOIs
StatePublished - Jan 15 2002

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Computer Science Applications

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