| 摘要 |
A PROCESS OF MANUFACTURING ACRYLONITRILE OR METHACLONITRILE BY THE CATALYTIC REACTION IN THE VAPOR PHASE OF A PARAFFIN SELECTED FROM PROPANE AND ISOBUTANE WITH MALECULAR OXYGEN AND AMMONIA BY CATALYTIC CONTACT OF THE REACTANTS IN A REACTION ZONE WITH A CATALYST, THE FEED COMPOSITION HAVING A MOLE RATIO OF THE PARAFFIN TO AMMONIA IN THE RANGE OF FROM ABOUT 2.5 TO 16 AND A MOLE RATIO OF PARAFFIN TO OXYGEN IN THE RANGE OF FROM ABOUT 1.0 TO 10, WHEREIN SAID CATALYST HAS THE ELEMENTS IN THE PROPORTIONS INDICATED BY THE EMPIRICAL FORMULA:VSBMAAMOBDDOX WHEREIN A IS ONE MORE OF TI, SN, FE, CR AND GA;D IS ONE OR MORE OF LI,MG,CA,SR,BA,CO,NI,ZN,GE,NB,ZR,W,CU,TE, TA,SE,BI,CE,IN,AS,B AND MN;M EQUALS 0.8 TO 4;A EQUALS 0.01 TO 2;O<B<0.005;D IS 0 TO 2;X IS DETERMINED BY THE OXIDATION STATE OF THE CATIONS PRESENT, AND THE CATALYST HAS BEEN HEAT TREATED AT A TEMPARATURE OF AT LEAST 780°C. |
