Patent ID: 8835341
Filing Date: 2014-09-16
Classification: B01J,C01B,C07C,C10G

Abstract:
1. A method for removing tightly bound sodium from a zeolitic support comprising: contacting the support with a sodium specific removal agent to produce a treated support wherein the support comprises L-zeolite, X-zeolite, Y-zeolite, omega zeolite, beta zeolite, ZSM-4, ZSM-5, ZSM-10, ZSM-12, ZSM-20, REY, USY, RE-USY, LZ-210, LZ-210-A, LZ-210-M, LZ-210-T, SSZ-24, ZZA-26, SSZ-31, SSZ-33, SSZ-35, SSZ-37, SSZ-41, SSZ-42, SSZ-44, MCM-58, mordenite, faujasite, or combinations thereof and the sodium specific removal agent comprises an ammonium-containing compound, an alkyl, aryl or arylalkyl ammonium containing compound, or combinations thereof; and washing the support with a wash solution at a temperature in the range of from about 70° F. to about 200° F. after said contacting.