| 摘要 |
THE PRESENT INVENTION RELATES TO A PROCESS FOR THE SELECTIVE PREPARATION OF ACETIC ACID FROM A GASEOUS FEED COMPRISING ETHANE, ETHYLENE OR MIXTURES THEREOF PLUS OXYGEN AT ELEVATED TEMPERATURE; WHICH COMPRISES BRINGING THE GASEOUS FEED INTO CONTACT WITH A CATALYST COMPRISING THE ELEMENTS MO, PD, X AND Y IN GRAM ATOM RATIOS A:B:C:D IN COMBINATION WITH OXYGEN MOAPDBXCYD (I) WHERE THE SYMBOLS X AND Y HAVE THE FOLLOWING MEANINGS: X IS ONE OR MORE ELEMENTS SELECTED FROM THE GROUP CONSISTING OF: CR, MN, NB, TA, TI, V, TE AND/OR W, IN PARTICULAR NB, V AND W; Y IS ONE OR MORE ELEMENTS SELECTED FROM THE GROUP CONSISTING OF: B, AI, GA, IN, PT, ZN, CD, BI, CE, CO, CU, RH, IR, AU, AG, FE, RU, OS, K, RB, CS, MG, CA, SR, BA, ZR, HF, NI, P, PB, SB, SI, SN, TI AND U, IN PARTICULAR CA, SB, TE AND LI. THE PRESENT INVENTION FURTHER PROVIDES A CATALYST FOR THE SELECTIVE PREPARATION OF ACETIC ACID COMPRISING THE ELEMENTS MO, PD, X AND Y IN THE GRAM ATOM RATIOS A:B:C:D IN COMBINATION WITH OXYGEN. |
