Activity and selectivity of a Pd/γ-Al2O3 catalytic membrane in the partial hydrogenation of acetylene

Autor:	Christine K. Lambert, Matthew J. Vincent, Richard D. Gonzalez, Juan P. Hinestroza, Ning Sun
Rok vydání:	2000
Předmět:	Ethylene Membrane reactor Kinetics Péclet number Photochemistry chemistry.chemical_compound symbols.namesake Adsorption Acetylene chemistry symbols sense organs skin and connective tissue diseases Dispersion (chemistry) Selectivity
DOI:	10.1016/s0167-2991(00)80876-9
Popis:	A flow dispersion model with Dankwert's boundary conditions describing a Pd/γ-Al 2 O 3 membrane reactor has been developed for the successive hydrogenation reactions of acetylene to ethylene to ethane. At 175°C, a change in both trnasport and kinetics is observed. The Peclet number is seen to change dependence in temperature. This change is also seen in the Damkohler number and the ratio of hydrogenation rates of acetylene to ethylene. It is suspected that a change in rate mechanism at low temperature is influenced by the neglect of the adsorption terms for acetylene and ethylene in the kientic rate expressions.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::9e497c957789ece94b7cef51281b840c https://doi.org/10.1016/s0167-2991(00)80876-9 Zobrazit plný text záznamu