Method for the selective hydrogenation of a dinitrile compound
AssigneeDsm N.V.
InventorsFranciscus H.A.M.J. Vandenbooren, Hubertus J.M. Bosman, Jan Van Der Spoel
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Abstract
The invention relates to a method for the selective hydrogenation of a dinitrile compound in the presence of a catalyst which comprises a metal of group 8 of the periodic system of the elements, the catalyst comprising a zeolite having a pore diameter of between 0.3 and 0.7 nm. The zeolite preferably has a structure chosen from the structures: ABW, AEI, AFT, ANA, ATN, ATV, ATT, AWW, BIK, CAS, CHA, DDR, EAB, EDI, ERI, GIS, JBW, KFI, LEV, LTA, MER, NAT, PHI, RHO, THO, YUG.
Claims20
A method for the selective hydrogenation of a dinitrile compound in the presence of a catalyst which comprises a metal of group 8 of the periodic system of the elements, wherein said catalyst comprises a zeolite having a pore diameter of between 0.3 and 0.7 nm.
A method for selectively hydrogenating an .alpha.,.omega.-alkanedinitrile which comprises at least partially hydrogenating the .alpha.,.omega.-alkanedinitrile the presence of a porous zeolite catalyst having a pore diameter of between 0.3 and 0.7 nm and a metal selected from the metals of group 8 of the periodic system of the elements said particles having an inert outer surface, said catalyst having an internal surface area of at least 10 m.sup.2 /gram catalyst to 50 m.sup.2 /gram catalyst.
Dependencies are inferred from the claim text.