摘要 |
The invention relates to a catalyst for the hydrogenation of C4 dicarboxylic acids and/or derivatives thereof, preferably maleic anhydride, in the gas phase, characterised in that said catalyst comprises 5 to 100 wt %, preferably 40 to 90 wt % copper oxide and 0 to 95 wt %, preferably 10 to 60 wt % of one or more metals, or compounds thereof, from the group comprising Al, Si, Zn, Pd, La, Ce, elements of groups III A to VIII A and of groups I A and II A as active mass and said mass is deposited on an inert support in the form of a thin layer.
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申请人 |
BASF AG |
发明人 |
BORCHERT, HOLGER;SCHLITTER, STEPHAN;FISCHER, ROLF-HARTMUTH;ROESCH, MARKUS;STEIN, FRANK;RAHN, RALF-THOMAS;WECK, ALEXANDER |