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以碳酸镁、活性炭为原料,采用浸渍法制备了一系列MgO/C-CoPcS脱硫醇催化剂。研究了活性组分磺化酞菁钴(CoPcS)负载量和n(Mg)∶n(C)对催化剂活性的影响。通过XRD和BET对催化剂进行表征。实验结果表明,n(Mg)∶n(C)=0.2,CoPcS负载质量分数为1%时,催化剂活性最高。CoPcS的加入对催化剂的晶型没有影响;随着n(Mg)∶n(C)增加,MgO特征峰加强,比表面积降低。制备了n(Mg)∶n(C)=0.2,磺化酞菁钴负载质量分数为1%的MgO/C-CoPcS催化剂,进行了微型固定床反应实验。空速为2 h-1条件下,反应超过750 h,转化率保持在99%以上。
A series of MgO / C-CoPcS sweetening catalysts were prepared by impregnation method using magnesium carbonate and activated carbon as raw materials. The effects of cobalt sulfonated cobalt (CoPcS) loading and n (Mg): n (C) on the catalytic activity were investigated. The catalyst was characterized by XRD and BET. The experimental results show that when n (Mg): n (C) = 0.2 and CoPcS loading mass fraction is 1%, the catalyst activity is the highest. The addition of CoPcS had no effect on the crystal structure of the catalyst. With the increase of n (Mg): n (C), the characteristic peak of MgO was strengthened and the specific surface area decreased. A series of MgO / C-CoPcS catalysts with n (Mg): n (C) = 0.2 and 1% sulfonated cobalt phthalocyanine were prepared. Under the condition of airspeed of 2 h-1, the reaction time is more than 750 h and the conversion rate is maintained above 99%.