Evaluation of bidisperse transport properties of a reforming catalyst using a diffusion cell II. Experimental study.

Biswasa J., Do D.D., Greenfield P.F. and Smith J.M. (1987) Evaluation of bidisperse transport properties of a reforming catalyst using a diffusion cell II. Experimental study.. Applied Catalysis, 32 C: 235-247. doi:10.1016/S0166-9834(00)80628-4


Author Biswasa J.
Do D.D.
Greenfield P.F.
Smith J.M.
Title Evaluation of bidisperse transport properties of a reforming catalyst using a diffusion cell II. Experimental study.
Journal name Applied Catalysis   Check publisher's open access policy
ISSN 0166-9834
Publication date 1987-01-01
Sub-type Article (original research)
DOI 10.1016/S0166-9834(00)80628-4
Volume 32
Issue C
Start page 235
End page 247
Total pages 13
Subject 2200 Engineering
Abstract The technique developed by Biswas et al [1] to evaluate bidisperse tortuosity factors in a diffusion cell has been applied to a reforming catalyst. The use of transient and steady state responses of a step tracer input gave macropore tortuosity factor in the range 2.7 - 3.3. Similar values were obtained using the moment technique for an impulse response. This technique could not be used to evaluate the micropore tortuosity factor, τi, because the small microsphere diameter (~10 μ m) and large diffusivity (Dpi ~ 1 x 10-3 cm2/s) gave low micropore sensitivity. The cell length could not be reduced less than 1 mm so as to increase the micropore sensitivity. Other experimental problems with this technique are discussed and a new technique using a batch adsorber is suggested.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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