Scheduling multi-purpose batch plants with junction constraints

Scheduling multi-purpose batch plants with junction constraints

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Article ID: iaor19961201
Country: United Kingdom
Volume: 34
Issue: 2
Start Page Number: 525
End Page Number: 541
Publication Date: Feb 1996
Journal: International Journal of Production Research
Authors: , , ,
Keywords: engineering, manufacturing industries
Abstract:

There is an increasing trend in the chemical process industry to operate flexible batch plants because of their capability to manufacture multiple products simultaneously by sharing the same process resources. In this paper, the scheduling of multi-purpose batch chemical plants with junction (header) constraints is considered. A mixed-integer non-linear model for the scheduling of multi-purpose batch chemical plants is formulated that considers the connection between equipment sets, transfer times, variable batch sizes, alternative process plans, and batch merging. Because of the computational time complexity of the batch scheduling problem, a heuristic scheduling algorithm that minimizes the total tardiness is developed to solve the model.

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