Rice husk ash and spent diatomaceous earth as a source of silica to fabricate a geopolymeric binary binder

The goal of this research is to propose the use of industrial by-products as solid sources of silica in replacement of commercial sodium silicate (SS) for the manufacture of geopolymeric binary binders. The result of this approach is a binder with good mechanical properties and environmental benefits, which can be used in civil engineering applications such as the manufacturing of masonry elements. A Colombian fly ash (FA) and a commercial...