Suitability of Cu-BTC extrudates for propane-propylene separation by adsorption processes

• Tipo: Artigo em Revista Científica Internacional
• Data: 2011

Autores

Alexandre F. P. Ferreira (Autor) FEUP; João C. Santos (Autor) Outra; Marta G. Plaza (Autor) Outra; Nabil Lamia (Autor) Outra; José M. Loureiro (Autor) FEUP; Alírio E. Rodrigues (Autor) FEUP

Revista

Título: Chemical Engineering Journal

Vol. 167 Nº 1

Páginas: 1-12

ISSN: 1385-8947

Editora: Elsevier

Indexação

ISI Proceedings

ISI Web of Knowledge - 95 Citações

ISI Web of Science

Scopus - 128 Citações

COMPENDEX

INSPEC

Classificação Científica

FOS: Ciências da engenharia e tecnologias > Engenharia química

Projetos Associados

LA 20 - Projeto Estratégico-LA 20 - 2011-2012

Outras Informações

ID Authenticus: P-002-V4V

DOI: 10.1016/j.cej.2010.07.041

Abstract (EN): In this work, we investigate the potential of a MOF porous material, Cu-BTC in combination with cyclic adsorption processes (vacuum swing adsorption, VSA, and simulated moving bed, SMB) for the separation of propylene/propane mixture. A gravimetric method has been used to measure the adsorption isotherms of propylene, propane and isobutane onto Cu-BTC extrudates over a temperature range from 323 to 373 K and pressures up to 500 kPa. These were complemented by experimental characterization of the Cu-BTC material using XRD and SEM-EDS techniques. Whereas the separation and its kinetics were studied by breakthrough experiments on a column packed with the Cu-BTC material in the extruded form at 373 K. The Cu-BTC extrudates are selective towards propylene, highlighting the potential of this material for the separation of propane and propylene mixtures by PSA process. Furthermore, in a range of temperatures and pressures, the affinity of Cu-BTC for isobutane was observed to be intermediate to that of propane and propylene which suggest that isobutane is a promising desorbent in SMB processes for propane/propylene separations.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 12