Binder-free molecular sieve zeolite granules which contain zeolites of the type lithium zeolite A and lithium zeolite X

US5962358A · kind A · utility

Assignee

• UOP LLC · US

Inventors

• Bruno Hees · Langenfeld, DE
• Lothar Puppe · Burscheid, DE
• Gerhard Reiss · Krefeld, DE

Key dates

• Filing date: Nov 13, 1997
• Grant date: Oct 5, 1999
• Expiry date: Nov 13, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S95/902
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The present invention relates to binder-free molecular sieve zeolite granules of lithium zeolite A and lithium zeolite X, a process for preparing these molecular sieve zeolite granules and their use for preparing nitrogen or oxygen from air by pressure swing adsorption.