EFFECTIVENESS OF BIDISPERSE CATALYSTS WITH CONVECTIVE FLOW IN THE MACROPORES

• Type: Article in International Scientific Journal
• Date: 1994

Authors

LEITAO, A (Author) Other; DIAS, M (Author) FEUP; RODRIGUES, A (Author) FEUP

Journal

Title: Chemical Engineering Journal and the Biochemical Engineering Journal

Vol. 55

Pages: 81-86

ISSN: 0923-0467

Publisher: Elsevier B.V.

Indexing

ISI Web of Knowledge - 8 Citations

Scopus - 9 Citations

Scientific classification

FOS: Engineering and technology > Chemical engineering

Other information

Authenticus ID: P-001-JR8

DOI: 10.1016/0923-0467(94)87009-8

Abstract (EN): Effectiveness factors of bidisperse catalysts for first-order irreversible reaction and diffusion in the microspheres and diffusion and convection in the macropores are calculated for slab and sphere pellet geometries. The model parameters are the ratio of diffusion time constants in macropores and microspheres alpha, the intrapellet convection number lambda, the fraction of active sites at the surface of microspheres gamma, and the Thiele modulus for the microspheres phi(mi). The influence on the catalyst performance of convective flow in the macropores is addressed.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 6