Air Products and Chemicals, Inc.

Other

Yanliang Xiong

Charles G Coe

Johan Adriaan Martens

Hong-Xin Li

Thomas R Gaffney

Pierre A Jacobs

Scott Jeffrey Weigel

James Edward Macdougall

Charles Gardner Coe

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 micropore volume determined in the sodium and/or potassium form of at least 0.20 cm.sup.3 /g 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:

High micropore volume low silica EMT-containing metallosilicates

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:

Li-exchanged low silica EMT-containing metallosilicates

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Celestijnen Laan, Belgium

Yanliang Xiong