Article (Scientific journals)
Resource deposit, characterization and energy saving potential of olive pomace as a promising aggregate for energy efficient earth bricks in eastern Morocco
El hammouti, Aboubakr; Channouf, Salaheddine; Charai, Mouatassim et al.
2023 • In Construction and Building Materials, 393, p. 131989
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Keywords :
Bio-sourced brick; Decrement factor; Energy saving; Thermal conductivity; Thermal inertia; Time lag; Circular economy; Energy savings; Energy efficient; Energy savings potential; Energy-savings; Olive pomace; Civil and Structural Engineering; Building and Construction; Materials Science (all)
Abstract :
[en] The lack of data regarding olive pomace leads to problems of poor management of it. The objective of this research is to propose an innovative management approach within the framework of the circular economy to valorize the abundance of olive pomace in the eastern region of Morocco, particularly in the field of construction. To achieve our objective, a statistical study on the abundance of olive pomace in the Oriental region of Morocco was conducted, followed by the application of several methods to identify the raw material and characterize the composite materials. Initially, soil and olive pomace were identified through tests of particle size distribution, X-ray diffraction, and microstructural characterization using a scanning electron microscope. After identifying the raw materials, the thermo-mechanical properties of earth-based composites reinforced with different mass proportions of olive pomace (0, 10, 20, 30, and 40wt%) were determined. The experimental results highlighted that the physical properties of the raw material, such as the particle size of olive pomace, have an influence on reducing the thermal conductivity by 55.68% and increasing the compressive strength by 81.7% of the composites. The evaluation of the proposed approach was conducted through numerical fluid dynamics simulations to assess the efficiency of a bio-sourced hybrid wall. An improvement of 4.3 h in the time lag was observed by adding 40wt% olive pomace to a wall. By increasing the thickness of this layer to 9 cm, an additional improvement of 9 h was observed. Earth bricks made from olive residue are an environmentally-friendly thermal insulation material, in line with a circular economy approach.
Disciplines :
Materials science & engineering
Energy
Civil engineering
Physics
Environmental sciences & ecology
Author, co-author :
El hammouti, Aboubakr;  Mechanics and Energy Laboratory, Mohammed First University, Oujda, Morocco ; Univ Paris Est Creteil, CERTES, Creteil, France
Channouf, Salaheddine ;  Mechanics and Energy Laboratory, Mohammed First University, Oujda, Morocco
Charai, Mouatassim;  Mechanics and Energy Laboratory, Mohammed First University, Oujda, Morocco ; Univ Paris Est Creteil, CERTES, Creteil, France ; Green Energy Park (IRESEN, Benguerir, Morocco
Horma, Othmane ;  Mechanics and Energy Laboratory, Mohammed First University, Oujda, Morocco
Miri, Hanane  ;  Université de Liège - ULiège > Geology ; Laboratory of Applied Geosciences, Faculty of Sciences, Mohammed First University, Oujda, Morocco
Mezrhab, Ahmed;  Mechanics and Energy Laboratory, Mohammed First University, Oujda, Morocco
Karkri, Mustapha;  Univ Paris Est Creteil, CERTES, Creteil, France
Tankari, Mahamadou Abdou;  Univ Paris Est Creteil, CERTES, Creteil, France
Language :
English
Title :
Resource deposit, characterization and energy saving potential of olive pomace as a promising aggregate for energy efficient earth bricks in eastern Morocco
Publication date :
22 August 2023
Journal title :
Construction and Building Materials
ISSN :
0950-0618
eISSN :
1879-0526
Publisher :
Elsevier Ltd
Volume :
393
Pages :
131989
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 08 September 2026

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