Hydrogenation of Citral over Pt and Pt-Sn Catalysts

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Turkish Journal of Chemistry
Volume:32 Issue:6
Hydrogenation of Citral over Pt and Pt-Sn Catalysts

Hydrogenation of Citral over Pt and Pt-Sn Catalysts

Authors : Hilal AYKAÇ, Selahattin YILMAZ

Pages : 653-662

View : 16 | Download : 8

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :Hydrogenation of citral on monometallic insert ignore into journalissuearticles values(Pt); and bimetallic insert ignore into journalissuearticles values(Pt-Sn); catalysts was investigated. It was found that the catalyst activities and product distributions were different over Na-Y and Clino supports. Among monometallic catalysts, Pt/Na-Y was more selective to citronellol insert ignore into journalissuearticles values(3.9%); and unsaturated alcohols, geraniol and nerol, insert ignore into journalissuearticles values(14.1%);. Sn addition increased the catalyst activities. However, its effect on product distribution differed. Yield of geraniol+nerol changed from 5.1% to 19.7% over Clino. However, selectivity to unsaturated alcohols over Na-Y decreased when it was prepared as a bimetallic catalyst support. Unsaturated alcohol formation was favored when there was a metal support interaction over monometallic catalysts, and metal-promoter interaction over bimetallic catalyst.
Keywords : Citral, Pt Sn, hydrogenation, unsaturated alcohols, citronellal, zeolite catalysts

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