Methodology of gas adsorption process design. Separation of propane/propylene and n/iso-paraffins mixtures

• Type: Article in International Scientific Journal
• Date: 1999

Authors

Suva, JAC (Author) Other; Avelino Da Suva, F (Author) Other; Alírio Rodrigues (Author) FEUP

Journal

Title: Studies in Surface Science and Catalysis

Vol. 120 A

Pages: 371-392

ISSN: 0167-2991

Publisher: Elsevier

Indexing

Scopus - 1 Citation

Other information

Authenticus ID: P-00F-HFS

Abstract (EN): The general guidelines for developing a gas separation process based on adsorption are reviewed. Two important industrial cases based on adsorption processes are selected: the separation of propane/propylene mixtures and n/isoparaffms mixtures. The 13X zeolite and Ag+-Amberlyst were used as adsorbent for propane/propylene mixture taking into account information from the open literature. The 5A zeolite was selected for n/iso-paraffins system; the adsorption equilibrium and diffusivity data were obtained from gravimetric and ZLC techniques respectively. A mathematical model for the bulk separation in fixed bed upon non-isothermal non-adiabatic conditions is formulated and solved numerically. The simulated results are compared with the available experimental breakthrough curves. Finally, a cyclic process based in the PSAVSA and TSA concepts is proposed for these systems.

Language: English

Type (Professor's evaluation): Scientific