Add time:08/24/2019         Source:sciencedirect.com

The decomposition of 1-decanol and Decanal (cas 112-31-2) in the presence of hydrogen by using Ni- and H-ZSM-5 embedded within a silica binder was investigated. Temperatures and pressures for the decanol decomposition ranged from 572 to 666 K and 0.57 to 1.45 MPa, whereas for decanal the ranges were 622 to 722 K and 0.58 to 1.22 MPa. Decanol was converted to decene through the intermediate didecyl ether. Decanal was convered to nonane by the elimination of carbon monoxide; to a β-hydroxy carbonyl compound, an aldo, which subsequently dehydrated to yield C20 aldehyde. The aldehyde, subsequently, was converted to hydrocarbons. All of the above are acid-catalyzed reactions. A side reaction catalyzed by the reactor walls which occurred with both compounds was the hydrogenation of decanal or dehydrogenation of decanol.

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