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Influence of various catalyst poisons and other impurities on fatty acid hydrogenation
Ist Teil von
Journal of the American Oil Chemists' Society, 1984-02, Vol.61 (2), p.200-204
Ort / Verlag
Berlin/Heidelberg: Springer-Verlag
Erscheinungsjahr
1984
Link zum Volltext
Quelle
SpringerLink (Online service)
Beschreibungen/Notizen
A study quantitatively assessed the influence of catalyst poisons and other impurities in fatty acids during catalytic hydrogenation. Supported nickel catalysts were used to identify ways for reducing excess catalyst usage. The study involved the additions of 5-sulfosalicylic acid, aldrin, lecithin and l-leucine or choline to samples of "poison-free" fatty acid and fatty acids containing traces of impurities such as sulfur, phosphorus, chloride and nitrogen. The effect of fatty acid contaminants on catalyst consumption also was tested. Trace element impurity levels correlated with catalyst loading required forhydrogenation while fatty acid contaminants also diminished catalyst activity. Considerable savings can be obtained by purification of the fatty acid prior to hydrogenation. (wz)