董青青¹,于万金²,程党国¹,林胜达²,刘武灿²,张建君²,陈丰秋¹,詹晓力¹

• 1:浙江大学 化学工程与生物工程学院，浙江 杭州 310027
• 2:浙江省化工研究院含氟温室气体替代及控制处理国家重点实验室国家ODS替代品工程技术研究中心，浙江省化工新材料重点实验室，浙江 杭州 310023

摘要(Abstract)：

采用TPO-MS表征了3-甲基吡啶氯氟化反应积炭失活CrO-Al催化剂，发现催化剂的积炭由碳、氢、氮组成，并且烧炭温度上限为500℃。通过热重分析研究了该催化剂的烧炭动力学行为，发现相同反应条件下，随着反应时间延长，催化剂积炭量增加而且积炭种类从容易烧除的轻积炭向不易烧除的重积炭转化，因此不同反应时间的催化剂积炭有不同的烧炭动力学模型。选取反应5 h和反应10 h的积炭催化剂做烧炭再生动力学实验，分别建立两种积炭催化剂的烧炭再生动力学模型，并且与实际的烧炭数据进行拟合，线性相关系数R²>0.97。

关键词(KeyWords)： 积炭;失活;催化剂;烧炭;动力学

Abstract:

Keywords:

基金项目(Foundation): 浙江省科学技术厅项目（2015F50069）；浙江省博士后科研择优资助项目（BSH1402061）。

作者(Author): 董青青¹,于万金²,程党国¹,林胜达²,刘武灿²,张建君²,陈丰秋¹,詹晓力¹

DOI: 10.3969/j.issn.1003-9015.2017.04.011

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