Research Article

Enhanced Viscosity of Aqueous Palygorskite Suspensions through Physical and Chemical Processing

Table 1

The chemical compositions, the physical properties, and the theoretical crystal structural formula of the palygorskite sample in present work.

ComponentsSiO2Al2O3TiO2Fe2O3FeOMgOCaONa2OK2OP2O5SO3

Content/wt%64.8912.951.268.190.169.111.480.071.330.430.02

Crystal structural formula: (Mg0.81Al0.73Ca0.09Ti0.06)(Si3.83Al0.17)O10(OH)·4H2O
Cation exchange capacity (CEC): 49.8 meq/100 g
Specific surface area: 462.0 m2/g