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This is a Experimental Study study (also classified as: Quantitative Study).

October 2, 2025Applied SciencesOpen Access

Preparation of Ecological Refractory Bricks from Phosphate Washing By-Products

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Research shows phosphate sludge can replace clay in refractory bricks, suggesting new geopolymeric materials.

Mechanical performance of bricks varied between 7 MPa to 26 MPa, indicating material strength.
XRD analysis confirmed formation of an amorphous aluminosilicate matrix, essential for geopolymerization.
Thermal conductivity varied with diatomite and clay proportions, emphasizing their insulating potential.
Environmental assessments revealed most samples were inert, aligning with circular economy principles.

Hassen et al. (2025) studied this question.

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