OP-II-3

PP-I-38• Catalytic tests showed that yields and selectivity of methanol synthesis dependsstrongly on the kind of support (see table 1).Table 1. Yield of methanol and selectivity in methanol synthesis fromCO - H 2 and CO 2 - H 2 mixture for copper supported catalyst.CatalystYield[g CH 3 OH/kg cat. h –1 ]Hydrogenation of COSelectivity at 260°CCH 4 CH 3 OH C 2 H 5 OH C 3 H 7 OH HCOH Other20%Cu/CrAl 3 O 6 108 6% 90% 1% 1% 2% -20%Cu/ZnAl 2 O 4 50 5% 92% 1% 1% 1% -20%Cu/FeAlO 3 232 24% 29% 11% 13% 18% 5%CatalystYield[g CH 3 OH/kg cat. h –1 ]Hydrogenation of CO 2Selectivity at 260°CCH 4 CH 3 OH C 2 H 5 OH C 3 H 7 OH HCOH Other20%Cu/CrAl 3 O 6 75 - 81% 10% - - 9%20%Cu/ZnAl 2 O 4 252 - 95% 1% - - 4%20%Cu/FeAlO 3 110 25% 33% 12% 9% 21% -References:[1]. Chinchen, G.C., Mansfield, M.S., CHEMTECH Nov, 1990, 692.[2]. Inui T., Hara H., Takeguchi M., and Kim J.B., Catal. Today 1997, 36, 25.The partial financial support of this work by the Polish Scientific Research Councilsupports (Grant No. N N209 011234) is gratefully acknowledged290