Preparation and Characterization of Nanozeolite NaA from Rice Husk at Room Temperature without Organic Additives

Table 1

The XRF analysis results of ash and extracted silica powder.

Composition	Ash (wt %)	Extracted silica powder (wt %)
Fe2O3	0.104	0.047
CaO	0.539	0.085
K2O	0.103	0.121
SiO2	95.913	87.988
Al2O3	0.192	0.477
MgO	0.24	0.077
Na2O	—	0.566
P2O5	0.302	—
SO3	0.044	—
LOI	2.562	10.64