A general mathematical programming approach for process plant layout

The generation of a good layout is an important stage in the design of a new plant or the retrofit of an existing facility. Layout decisions affect piping, electrics, instrumentation and therefore have a great impact on the total plant cost. Moreover, layout has a large impact on the safety, operabi...

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Bibliographic Details
Published inComputers & chemical engineering Vol. 23; no. 7; pp. 823 - 840
Main Authors Georgiadis, Michael C., Schilling, Gordian, Rotstein, Guillermo E., Macchietto, Sandro
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.07.1999
Elsevier
Subjects
Applications of mathematics to chemical engineering. Modeling. Simulation. Optimization
Applied sciences
Chemical engineering
Design
Exact sciences and technology
Mathematical programming
Optimisation
Plant layout
Design
Plant layout
Optimisation
Mathematical programming
Chemical plant
Equipment
Linear programming
Mixed integer programming
Layout problem
Optimization
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Summary:The generation of a good layout is an important stage in the design of a new plant or the retrofit of an existing facility. Layout decisions affect piping, electrics, instrumentation and therefore have a great impact on the total plant cost. Moreover, layout has a large impact on the safety, operability and maintainability of any chemical plant. This paper presents a general mathematical programming approach for addressing the problem of allocating items of equipment in a given two or three dimensional space. The problem is formulated as a mixed integer linear programming model where equipment of various sizes and geometries are taken into account. The objective function to be minimized accounts for the total transport, connection, land and floor construction cost. This optimization procedure results in the coordinates of each unit (location), the total piping length, and the land occupied. Three case studies are presented to illustrate the applicability of the proposed approach.
ISSN:0098-1354
1873-4375
DOI:10.1016/S0098-1354(99)00005-8