caa a22 4500 477091822 CHVBK 20180405111517.0 cr unu---uuuuu 170330e19960301xx s 000 0 eng 10.1007/BF01135358 doi (NATIONALLICENCE)springer-10.1007/BF01135358 Texture of coke depositing on -γ-Al2O3 biporous granules under kinetic and diffusion regimes [Elektronische Daten] [V. Fenelonov, N. Prokudina, L. Okkel] Morphology and local distribution of coke is studied in γ-Al2O3 biporous granules coked with mixture of propane and butane under kinetic and diffusion regimes. Under kinetic regime atT < 923 K, coke is shown to distribute as a viscous-plastic phase that wets the catalyst surface. At low coke content, coke is localized at the sites of contact between the catalyst initial particles. At high coke content the coke deposits over the free areas with the surface negative curvature. The degree of surface coverage with coke increases as the coke content grows from a "mosaic” (consisting of the patches covered and noncovered with coke) to full coverage. Under diffusion regime atT > 923 K, coke precipitates mainly on the surface of aggregates of the catalyst initial particles. The models and analytical relations are suggested for the analysis of coke distribution. Kluwer Academic Publishers, 1996 porous materials nationallicence supported catalyst nationallicence coked catalyst nationallicence distribution of modifier nationallicence Fenelonov V. Siberian Division of RAS, Boreskov Institute of Catalysis, Pr.akad.Lavrentieva 5, 630090, Novosibirsk, Russia aut Prokudina N. Boreskov Institute of Catalysis, Prakad. Lavrentieva 5, 630090, Novosibirsk, Russia aut Okkel L. Boreskov Institute of Catalysis, Prakad. Lavrentieva 5, 630090, Novosibirsk, Russia aut Journal of Porous Materials Kluwer Academic Publishers 3/1(1996-03-01), 23-32 1380-2224 3:1<23 1996 3 10934 https://doi.org/10.1007/BF01135358 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF01135358 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Fenelonov V. Siberian Division of RAS, Boreskov Institute of Catalysis, Pr.akad.Lavrentieva 5, 630090, Novosibirsk, Russia aut NATIONALLICENCE 700 1- Prokudina N. Boreskov Institute of Catalysis, Prakad. Lavrentieva 5, 630090, Novosibirsk, Russia aut NATIONALLICENCE 700 1- Okkel L. Boreskov Institute of Catalysis, Prakad. Lavrentieva 5, 630090, Novosibirsk, Russia aut NATIONALLICENCE 773 0- Journal of Porous Materials Kluwer Academic Publishers 3/1(1996-03-01), 23-32 1380-2224 3:1<23 1996 3 10934 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer