申请人:E I DU PONT DE NEMOURS AND COMPANY
公开号:US20130289311A1
公开(公告)日:2013-10-31
Disclosed herein are processes for preparing an α,ω-C
n
-diol, wherein n is 5 or greater, from a feedstock comprising a C
n
oxygenate. In one embodiment, the process comprises contacting the feedstock with hydrogen gas in the presence of a catalyst comprising Cu, a Cu oxide, or mixtures thereof; a heteropoly acid component comprising H
3
[P(W
3
O
10
)
4
], H
4
[Si(W
3
O
10
)
4
], H
4
[P(Mo
3
O
10
)
4
], H
4
[Si(Mo
3
O
10
)
4
], Cs
2.5
H
0.5
[P(W
3
O
10
)
4
], Cs
2.5
H
0.5
[Si(W
3
O
10
)
4
], or mixtures thereof; optionally a second metal component comprising Cr, a Cr oxide, Ni, a Ni oxide, Mn, a Mn oxide, Fe, an Fe oxide, Co, a Co oxide, Mo, a Mo oxide, W, a W oxide, Re, a Re oxide, Zn, or a Zn oxide, Ag, a Ag oxide, SiO
2
, or Al
2
O
3
; optionally at least one promoter comprising Na, K, Mg, Rb, Cs, Ca, Sr, Ba, Ce, or mixtures thereof; and optionally a support.