Rejuvenating sapo and/or alpo molecular sieve with anhydrous liquid or vapor

• Main Authors: MARCEL J. G. JANSSEN, KENNETH R. CLEM, CORNELIUS W. M. VAN OORSCHOT
• Format: Patent
• Language: English
• Published: 20.10.2005
• Edition: 7
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

This invention is to a method of rejuvenating a molecular sieve. The method includes contacting a molecular sieve having a methanol uptake index of less than 1, or a catalyst containing molecular sieve having a methanol uptake index of less than 1, with anhydrous liquid or vapor until the methanol u...