1. Evaluation of pure-component adsorption properties of silicalite based on the Langmuir and Sips models;Caravella;AIChE J.,2015
2. Chao, C.C., UOP, 1989. Process for Separating Nitrogen from Mixtures Thereof with Less Polar Substances. U.S. Patent 4,859,217.
3. Chao, C.C., Sherman, J.D., Mullhaupt, J.T., Bolinger, C.M., UOP, 1992. Mixed Ion-exchanged Zeolites and Processes for the Use Thereof in Gas Separations. U.S. Patent 5174979.
4. Coe, C.G., Kirner, J.F., Pierantozzi, R., White, T.R., Air Products and Chemicals, Inc., 1992. Nitrogen Adsorption with a Ca and/or Sr Exchanged Lithium X-zeolite. U.S. Patent 5152813.
5. Coe, C.G., Kirner, J.F., Pierantozzi, R., White, T.R., Air Products and Chemicals, Inc., 1995. Zinc Cation Exchanged Lithium X-zeolite for Nitrogen Adsorption. U.S. Patent 5419891.