Research Article

Influence of Synthesis Conditions on the Physicochemical Properties and Catalytic Activity of Fe/Cr-Pillared Bentonites

Table 2

Chemical properties of raw and pillared bentonites.

Sample codeMetal oxides % m/m
SiO2Al2O3MgOCaOK2OFe2O3Cr2O3

Raw bentonite68.124.34.520.790.332.04 0.00
Fe/Cr0.7563.322.54.000.000.275.23 4.71
Fe/Cr0.75(D)65.221.94.410.000.293.14 5.01
Fe/Cr0.75(SS)61.821.24.410.000.237.48 4.81
Fe/Cr0.25(D)64.420.04.470.000.233.52 7.18