Scheduling optimization in a refinery for vegetable oils

Master thesis (2020)

Authors

K. Lekkerkerk Mechanical Engineering

Contributors

F. Schulte Transport Engineering and Logistics - Mechanical, Maritime and Materials Engineering (mentor)

F. Schulte Transport Engineering and Logistics - Mechanical, Maritime and Materials Engineering (graduation committee member)

Jons Vernooy (mentor)

Jons Vernooy (graduation committee member)

D.L. Schott Transport Engineering and Logistics - Mechanical, Maritime and Materials Engineering (graduation committee member)

Harleigh C. Seyffert Ship Hydromechanics and Structures - Mechanical, Maritime and Materials Engineering (graduation committee member)

Faculty

Mechanical Engineering, Mechanical Engineering

Contamination Mixed Integer Programming Discrete time Deterministic Optimization Maximum shelf-life Mandatory storage Batch-size dependent processing time Limited equipment connectivity Production order Maximum storage time Temporary unit unavailability Shared storage Network process topology Unlimited intermediate storage Variable equipment assignment Zero wait storage policy Instantaneous material transfer Variable batch-size Multiple product demand Sequence- and product dependent changeover

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Published Date

26-11-2020

Language

English

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Faculty

Mechanical Engineering

Abstract

A mathematical model has been developed to determine the timing of the tasks that can be performed on a variety of units to produce a variety of end states and to monitor the flow of the material through the network. The mathematical model is based on the work of Kondili et al. (1993) and is extended with the ability to monitor and restrict the shelf-life of a state, the ability to implement a mandatory storage action with shared storage and the ability to implement batch-size dependent processing times for batch-sizes that can only take a certain value.

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- Embargo expired in 26-11-2022