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采用丙烷和甲烷混合物作为共反应物进行无氧芳构化反应 .在 6 0 0℃ ,30 0 0h-1和甲烷 /丙烷摩尔比为 0 6的条件下 ,甲烷可以在 6 %Zn/HZSM 5分子筛催化剂上被有效地活化 ,甲烷的转化率可达 32 4 % ,丙烷的转化率为 89 5 % ,反应的主要产物为芳烃 ,其选择性达到 89 7% .甲烷与丙烷的摩尔比对芳烃产物的选择性有影响 .在没有丙烷参与时该催化剂在 6 0 0℃下对甲烷转化没有活性 .推测是丙烷脱氢或裂解过程的中间产物活化了甲烷 .低碳烷烃对甲烷的活化可能是实现甲烷低温转化的一条有效途径
An aromatics-free aromatization reaction was carried out using a mixture of propane and methane as a co-reactant.Under the conditions of 6000h30Oh-1and methane / propane molar ratio of6, the methane could be oxidized in 6% Zn / HZSM5 Zeolite catalyst was effectively activated, the conversion rate of methane up to 32 4%, the conversion of propane 89 5%, the main product of the reaction of aromatic hydrocarbons, the selectivity of 89.7%. The molar ratio of methane to propane aromatic The selectivity of the product has no effect on the conversion of methane in the absence of propane catalyst at 600 ℃ .It is presumed that the middle of propane dehydrogenation or cracking process activates methane.The activation of methane by lower alkane may be An Effective Way to Achieve Low Temperature Conversion of Methane