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Dynamic blending as a source of flexibility and efficiency in managing phosphate supply chain

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ILS2018_Proceedings-Dynamic_Blending.pdf (1.360Mb)
Date
2018
Dewey
Gestion des stocks
Sujet
Blending; Phosphate Supply Chain; Make-To-Order; sequential inputs supply
Conference name
ILS Conference 2018
Conference date
07-2018
Conference city
Lyon
Conference country
France
Book title
7th International Conference on Information Systems, Logistics and Supply Chain (ILS 2018)
Author
Cheutet, Vincent; Tchernev, Nikolay
Publisher
Institut national des sciences appliquées de Lyon
Publisher city
Lyon
Year
2018
URI
https://basepub.dauphine.fr/handle/123456789/18985
Collections
  • LAMSADE : Publications
Metadata
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Author
Azzamouri, Ahlam
115536 autre
Giard, Vincent
989 Laboratoire d'analyse et modélisation de systèmes pour l'aide à la décision [LAMSADE]
Type
Communication / Conférence
Item number of pages
634-645
Abstract (EN)
This paper deals with the blending problem of extracted phosphate ores of different characteristics (phosphate, silica…), to produce required grades that respect range constraints for these haracteristics. The data used in this paper is the actual data from an OCP site1; OCP is world leader of phosphate extraction and transformation (acids, fertilizers) industry. We have extended the traditional LP formulation of the blending problem in a dynamic version where the optimal blends of required grades vary in time and depend on initial stocks and possible feedings of extracted ores and on the set of grades to be produced. The performance of our dynamic blending model has led the OCP site concerned to develop and use an extended version of this model

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