Stabilized mineral sorbents and process therefor

Claim 1

A PROCESS FOR STABILIZING ALUMINO-SILICATE ZEOLITE PARTICLES HAVING EXCHANGEABLE CATION CONTENT AND SUBSTANTIALLY UNIFORM SIZED PORES OF MOLECULAR DIMENSION, SAID ZEOLITE BEING SELECTIVE FOR SORPTION OF STRAIGHT CHAIN HYDROCARBONS TO THE SUBSTANTIAL EXCLUSION OF NON-STRAIGHT CHAIN HYDROCARBON IN A MIXTURE THEROF, WHICH COMPRISES: MIXING SAID ZEOLLE PARTICLES WITH A PROTECTIVE MEDIUM OBSTRUCTIVE TO BASE EXCHANGE, SAID PROTECTIVE MEDOUM BEING SELECTED FROM THE GROUP CONSISTING OF A HYDROGENATED FAT, A FATTY ACID OF 10-30 CARBON ATOMS, STARCH, WHEAT FLOUR, ALUMINUM STEARATE, CALCIUM STEARATE, AN ALKANOL OF 1-20 CARBON ATOMS, AN ESTER OF AN ALKANOL OF 1-20 CARBON ATOMS WITH A FATTY ACID, A LOWER ALKANE OF 5-10 CARBON ATOMS, AND MIXTURES THEREOF, COATING THE RESULTING IMPREGNATED ZEOLITE PARTICLES WITH A POLYHYDRATED COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM, MAGNESIUM, CALCIUM, ALUMINUM, THORIUM, TITANIUM, AND ZIRCONIUM, AND CALCINING THE COATED PARTICLES.