名称: 程序升温氧化 英文名称 temperature programmed oxidation TPO在通入氧的情况下,按一定升温程序升温,检测催化剂或吸附剂表面吸附物或表面物氧化情况的方法。如考察Pt/Al2O3催化剂表面积炭,用程序升温氧化方法,测定尾气O2和CO2讯号,谱线上有两个CO2峰,而经脱氯的Al2O3的TPO,过程没有CO2讯号,说明催化剂有两个代表沉积在金属中心的积炭。
利用程序升温氧化、差热分析、热重等方法考察了两种长链烷烃脱氢工业铂锡催化剂表面的积炭特征。
Carbon deposits on two Pt-Sn commercial catalysts for the dehydrogenation of paraffins have been studied by temperature programmed oxidation (TPO).
对几种阻化剂进行了程序升温氧化法测定,获得了在氧气量充足情况下原煤样与各阻化煤样的时间- 温度曲线。
Several kinds of coal inhibitors are tested with programmed temperature -rise oxidation method and the time -temperature curves are obtained under enough oxygen condition.
采用热重、红外、13c固体核磁、元素分析、色质联用、程序升温氧化法等手段对催化剂上的焦炭和液相产物中的焦炭前驱体进行了考察。
The coke and its precursors were characterized by TGA, FT-IR, solid-state 13c NMR, elemental analysis, GC-MS, and temperature-programmed oxidation (TPO) analysis.
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