Morteros a base de vidrio de desecho/escoria de alto horno; activación mecanoquímica del vidrio en soluciones alcalinas. | Zendy

Lester J Espinoza | Zendy; Ivan Escalante García | Zendy

Open Access

Morteros a base de vidrio de desecho/escoria de alto horno; activación mecanoquímica del vidrio en soluciones alcalinas.

Author(s) -

Lester J Espinoza,

Ivan Escalante García

Publication year - 1970

Publication title -

nexo revista científica

Language(s) - English

Resource type - Journals

eISSN - 1995-9516

pISSN - 1818-6742

DOI - 10.5377/nexo.v24i2.657

Subject(s) - humanities , art

Composite cements of Blast Furnace Slag (EAH) and Waste Glass (WG) were investigated. A fraction WG was subjected to mechanochemical activation aiming to solubilize its SiO₄ to obtain solutions of sodium silicate (SS) with silica modulus greater than zero to improve the compressive strength of the cements. With the solutions obtained by AMQ, composites of 0 to 100% WG were prepared, and as referred to cements 100% BFS with standard alkaline activation. The strength of the latter decreased after increasing the Na₂O content and decreased when the curing temperature was increased to 60^oC. In contrast, 100% WG cements required very aggressive chemical activation conditions (12% Na₂O at 60^oC) to obtain good mechanical properties. The composites with 25 and 50% WG required activation conditions similar to those 100% EAH cements, while those cements with 75% WG required activation conditions similar to those of 100% WG.

Keywords: waste glass, blast furnace slag, mechanochemical activation.

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