Methods for making zeolite y-particles that include rare-earth metal

Abstract

One or more disclosures herein relate to methods whereby rare-earth metal-containing zeolite-Y particles may be made by a process that may include forming a zeolite precursor solution including an alumina source material and a silica source material, and subjecting the zeolite precursor solution to a heating process to form the zeolite-Y particles. The heating process may include a first heating treatment and a second heating treatment. The second heating treatment follows the first heating treatment. The first heating treatment may include exposure to a temperature of from 50° C. to 120° C. and the second heating treatment may include exposure to a temperature of from 80° C. to 120° C. The first heating treatment may be at a lesser temperature than the second heating treatment. The method may further include incorporating one or more rare-earth metals into the zeolite-Y particles to from the rare-earth metal-containing zeolite-Y particles. The incorporating may include contacting the zeolite-Y particles with one or more rare-earth metal-containing compounds.

Dependencies are inferred from the claim text.