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考察了用含烃(C2H6或C3H8)氢气进行重整催化剂还原对重整反应的影响;从双功能平衡的角度阐述了催化剂表面结构改变对反应活性的影响方式;在中型装置上考察了催化剂的稳定性。结果表明,用含烃氢气还原铂铼催化剂可使其金属功能降低,在重整反应中脱氢活性减弱,酸性功能发生变化;催化剂双功能平衡失调不仅造成反应初活性异常,还导致催化剂运转周期缩短,稳定性变差。还原介质中烃含量越多、组分越重,影响越严重。
The effects of reforming catalysts on the reforming reaction with hydrogen containing hydrocarbon (C2H6 or C3H8) were investigated. The influence of catalyst surface structure on the reactivity was discussed from the perspective of bifunctional equilibrium. stability. The results showed that the reduction of platinum metal with hydrogen-containing hydrogen catalyst can reduce the metal function in the reforming reaction weakened the dehydrogenation activity, acidic function changes; catalyst bifunctional imbalance not only caused the initial reaction abnormalities, but also lead to the catalyst cycle Shortened, poor stability. Reducing medium hydrocarbon content, the heavier components, the more serious the impact.