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化工学报  2013 

Mo/C催化剂常压催化生物柴油脱羧制备烃类燃料

DOI: 10.3969/j.issn.0438-1157.2013.z1.012, PP. 80-87

Keywords: 管式反应器,生物柴油,脱羧,常压,Mo催化剂

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Abstract:

研究在内径为16mm、长度为600mm的管式反应器中,利用负载型Mo/C催化剂,常压下催化生物柴油脱羧的效果。主要考察了温度、进料速率、催化剂用量、金属负载率等因素对生物柴油脱羧的影响。得到生物柴油脱羧去氧的适宜条件:反应温度为340℃,Mo在活性炭上的负载率为40%,催化剂用量为40g,进料速率为0.3258g·min-1,在此条件下,酯转化率接近100%,液态烃产率为62.35%,液态产物中C15烷烃、C17烷烃和芳香烃为主要组分。固态、液态、气态产物分布分别为8.73%、63.04%和28.23%。实验研究了在较适宜的条件下Mo/C催化剂的寿命,并且分析了其失活的原因。

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