Gas separation: processes – Solid sorption – Including reduction of pressure
Patent
1995-10-10
1996-10-08
Spitzer, Robert
Gas separation: processes
Solid sorption
Including reduction of pressure
95103, 95130, 95902, B01D 53047
Patent
active
055627560
ABSTRACT:
The present invention is a composition, a synthesis of the composition and a method of using the composition for selectively adsorptively separating nitrogen from oxygen wherein the composition is a crystalline EMT with a Si/Al ratio less than 2.0 and a lithium cation exchange of at least 80%, preferably including an intergrowth with a crystalline FAU structure, wherein the pure or intergrowth compositions have the chemical formula:
REFERENCES:
patent: 3123441 (1964-03-01), Haden, Jr. et al.
patent: 3411874 (1968-11-01), Ciric
patent: 3415736 (1968-12-01), Ciric
patent: 4557736 (1985-12-01), Sircar et al.
patent: 4859217 (1989-08-01), Chao
patent: 4925460 (1990-05-01), Coe et al.
patent: 4957514 (1990-09-01), Golden et al.
patent: 4971606 (1990-11-01), Sircar et al.
patent: 5013334 (1991-05-01), Maurer
patent: 5098686 (1992-03-01), Delprato et al.
patent: 5116590 (1992-05-01), Vaughan et al.
patent: 5152813 (1992-10-01), Coe et al.
patent: 5174979 (1992-12-01), Chao et al.
patent: 5203887 (1993-04-01), Toussaint
patent: 5258058 (1993-11-01), Coe et al.
patent: 5268023 (1993-12-01), Kirner
patent: 5413625 (1995-05-01), Chao et al.
patent: 5417742 (1995-05-01), Tamhankar et al.
patent: 5417950 (1995-05-01), Sheu et al.
patent: 5464467 (1995-11-01), Fitch et al.
Martens, J. A. et al. "Phase Discrimination with .sup.29 Si MAS NMR in EMT/FAU Zeolite Intergrowths." J. Phys. Chem May 13, 1993: 5132-35.
Davis, Mark E. "Synthesis and Characterization of VPI-6, Another Intergrowth of Hexagonal and Cubic Faujasite." Molecular Sieves 1992: 60-69.
Lievens, J. L. et al. "Cation Site Energies in Dehydrated Hexagonal Faujasite (EMT)." Zeolites Jul./Aug. 1992: 698-705.
Kokotailo, G. T. and Ciric, J. "Synthesis and Structural Features of Zeolite ZSM-3." Molecular Sieve Zeolites-I, American Chemical Society 1971: 109-121.
Vaughan, D. E. W. et al. "Synthesis and Characteristics of Zeolite ZSM-20." Zeolite Synthesis, American Chemical Society 1989: 544-559.
Meier, W. M. and Olson, D. H. "FAU" and EMT. Atlas of Zeolite Structure Types. Butterworth-Heinemann 1992: 88-89 and 96-97.
Coe Charles G.
Gaffney Thomas R.
Jacobs Pierre A.
Li Hong-Xin
Martens Johan A.
Air Products and Chemicals Inc.
Chase Geoffrey L.
Spitzer Robert
LandOfFree
Li-exchanged low silica EMT-containing metallosilicates does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Li-exchanged low silica EMT-containing metallosilicates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Li-exchanged low silica EMT-containing metallosilicates will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-54624