Title
Efficient multi-product multi-BOM batch scheduling for a petrochemical blending plant with a shared pipeline networkEfficient multi-product multi-BOM batch scheduling for a petrochemical blending plant with a shared pipeline network
Author
Faculty/Department
Faculty of Applied Economics
Research group
Engineering Management
Publication type
article
Publication
Oxford,
Subject
Economics
Computer. Automation
Source (journal)
Computers and chemical engineering. - Oxford
Volume/pages
84(2016), p. 493-506
ISSN
0098-1354
ISI
000365335000040
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We present an effective scheduling heuristic for realistic production planning in a petrochemical blending plant. The considered model takes into account orders spanning a multi-product portfolio with multiple bills of materials per product, that need to be scheduled on shared production facilities including a complex pipeline network. Capacity constraints, intermediate storage restrictions, due dates, and the dedication of resources to specific product families have to be respected. The primary objective of the heuristic is to minimize the total order tardiness. Secondary objectives include the minimization of pipeline cleaning operations, the minimization of lead times, and the balanced utilization of filling units. The developed algorithm is based on a dynamic prioritization-based greedy search that schedules the orders sequentially. The proposed method can schedule short to mid-term operations and evaluate different plant configurations or production policies on a tactical level. We demonstrate its performance on various real-world inspired scenarios for different scheduling strategies. Our heuristic was used during the construction phase of a new blending plant and was instrumental in the optimal design of the plant.
E-info
https://repository.uantwerpen.be/docman/iruaauth/554063/128981.pdf
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