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Digitale Medien

Diffusion and catalytic activity studies on resid-deactivated HDS catalysts (1986)

Johnson, B. G. ; Massoth, F. E. ; Bartholdy, J.

Hoboken, NJ : Wiley-Blackwell

AIChE Journal 32 (1986), S. 1980-1987

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Details

ISSN: 0001-1541

Schlagwort(e): Chemistry ; Chemical Engineering

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: Three different pore size CoMo/Al2O3 catalysts, which had been deactivated to the same extent during bench-scale tests with an atmospheric resid, were examined for coke and metal deposits, diffusivity, and intrinsic activity for hydrodesulfurization, hydrogenation, and hydrodenitrogenation using model compounds. The aged catalysts had very low effective diffusivities and lower intrinsic activities than the fresh catalysts. Both metals and coke deposits were responsible for lowering diffusivity, but activity reduction appears to be predominantly due to metal deposits.

Zusätzliches Material: 7 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/aic.690321207

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