High-Pressure Methane Adsorption on NaX and NaY Zeolites with Different Si/Al Ratios-Reference-Cited by-同舟云学术

High-Pressure Methane Adsorption on NaX and NaY Zeolites with Different Si/Al Ratios

Published:1994-12 Issue:4 Volume:11 Page:209-216
ISSN:0263-6174
Container-title:Adsorption Science & Technology
language:en
Short-container-title:Adsorption Science & Technology

Author:

Mentasty L.¹,Woestyn A.M.¹,Basaldella E.²,Kikot A.,Zgrablich G.³⁴

Affiliation:

1. Departamento de Química, Universidad Nacional de San Luis, Chacabuco y Pedernera, 5700 San Luis Argentina

2. Centro de Investigación y Desarrollo de Procesos Catalíticos, UNLP-CONICET, Calle 47 No. 257, 1900 La Plata, Argentina

3. Centro Regional de Estudios Avanzados, Gobierno de la Provincia de San Luis, Av. del Fundador s/n, 5700 San Luis, Argentina

4. Departamento de Física, Universidad Nacional de San Luis, Chacabuco y Pedernera, 5700 San Luis, Argentina

Abstract

One method of increasing the storage capacity of compressed natural gas, an alternative for vehicular fuel, is by adsorbing it on to microporous solids such as zeolites or activated carbons. NaX and NaY zeolites with different Si/Al ratios have been synthesized and characterized. Experimental adsorption isotherms for CH4 on these zeolites have been obtained at different temperatures over a pressure range of 0–5 MPa using a high-pressure volumetric apparatus. Isosteric heats of adsorption have been estimated and the isotherms analyzed applying a statistical thermodynamic model. The efficiency of this solid as a methane storage system has been evaluated and compared with other sorbents. Encouraging results have been obtained.

Publisher

Hindawi Limited

Subject

Surfaces and Interfaces,General Chemical Engineering,General Chemistry

Link

http://journals.sagepub.com/doi/pdf/10.1177/026361749401100403

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