Energy efficient water utilization systems in process plants

Miguel Bagajewicz, Hernán Rodera, Mariano Savelski

    Research output: Contribution to journalArticlepeer-review

    160 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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