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Kinetics of aldehyde hydrogenation: Vapor‐phase flow system and supported nickel catalyst
Author(s) -
Oldenburg C. C.,
Rase Howard F.
Publication year - 1957
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690030408
Subject(s) - propionaldehyde , butyraldehyde , chemistry , acetaldehyde , catalysis , aldehyde , nickel , kinetics , isothermal process , vapor phase , autocatalysis , thermodynamics , inorganic chemistry , organic chemistry , physics , quantum mechanics , ethanol
A kinetic study of the catalytic vapor‐phase hydrogenation of three aldehydes (acetaldehyde, propionaldehyde, and n ‐butyraldehyde) was made at low conversions with a commercial supported nickel catalyst. A simple initial rate equation was determined and found to agree with a mechanism suggested by the ideal kinetics of Hougen and known experimental evidence. By means of this equation the relative reactivities of the aldehydes were compared and found to agree with the predictions of organic theory. An improved reactor designed to ensure isothermal operation is described.