Research Article

Synthesis and Characterization of Porous Fly Ash-Based Geopolymers Using Si as Foaming Agent

Table 1

Chemical composition of fly ash (% w/w).

SiO2Al2O3Fe2O3CaOMgOK2ONa2OSO3L.O.I.

45.5222.138.9914.752.841.550.721.691.49