This paper evaluates the use of hydrated Portland cement as the raw material in the production of geopolymers. The silicon and aluminium oxides needed for the geopolymerization process were produced by the carbonation of ...

[ES] En esta investigación se analizará el comportamiento de distintos morteros de activación alcalina o geopolímeros frente al ataque ácido proponiendo un nuevo método de evaluación que permita relacionarlo con la durabilidad ...

[EN] Sugar cane production is increasing in Brazil due the demand in manufacturing sugar and alcohol. During production process, several wastes are generated, such as sugar cane straw. After a burning process of this waste ...

Due environmental problems related to Portland cement consumption, many studies have been performed to diminish its use. One solution is the development of alkali-activated binders, which can decrease CO2 emissions and ...

[EN] One of the most critical issues after a volcanic eruption is managing damaged infrastructure and human health. This study aims to promote the valorization of non-weathered volcanic ash (VA) from the Cumbre Vieja volcano ...

[EN] Nowadays , the production of portland cement requires large amount of energy , while generating a high level of CO2 emissions to the atmosphere ( about 1 ton of CO2 per ton of cement ) . In addition , the generation ...