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2019-01-01 - Colloque/Article dans les actes avec comité de lecture - Anglais - 7 page(s)

Regad Youssef, Elkihel Bachir, Delaunois Fabienne , "Modeling Approach of the Experiment: Waste Reuse of the Jerada Thermal Power Plant (Morocco)" in ICEERE 2018, 690-696, Saidia, Maroc, 2018

  • Codes CREF : Analyse mathématique (DI1120), Métallurgie et mines (DI2300)
  • Unités de recherche UMONS : Métallurgie (F601)
  • Instituts UMONS : Institut de Recherche en Science et Ingénierie des Matériaux (Matériaux)
  • Centres UMONS : Ingénierie des matériaux (CRIM)
Texte intégral :

Abstract(s) :

(Anglais) The main objective of this work is to find a model mathematical statistics which will justify the valorization principle of the FA (Fly Ash) and BA (Bottom Ash), which represent the most remarkable solid waste of the thermal power plant in the eastern region of Morocco (in the Jerada city). For this, we worked on the use of FA and BA as a raw material for performance bricks. First, compression tests and chemical requirements were used to evaluate the pozzolanic activity index according to ASTM (American society for testing material) which is about 89,75%. Indeed, we have effectuated a statistic modeling by the method of the experiences plans where we have chosen as a response the compressive strength. The results of our new by-product (10% of FA+BA and 90% of cement), gave a good response to our plan, about 24,2 MPa. Secondly, we added this new by-product with the clay to produce the compressed bricks fired according to a new experimental plan, where we found that the most resistance to compression equal to 3,12 MPa, in which a minimum quantity of clay of 50% (by the total mass of 1 kg), were used. In order to control these residues, our results show that our mathematical model can be adapted to new entrepreneurs who want to invest in bricks manufacture using these by-products to contribute to efforts of environmental pollution reduction.

Mots-clés :
  • (Anglais) Coal
  • (Anglais) Fly Ash
  • (Anglais) Bottom Ash
  • (Anglais) Waste
  • (Anglais) CCRs
  • (Anglais) Valorization
  • (Anglais) By-product
  • (Anglais) Pozzolanic
  • (Anglais) Boiler