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中文摘要：
结合衍生化样品前处理方法和高效液相色谱（HPLC）分析技术，对比研究了燃用含甲醇体积分数为13％的柴油混合燃料和纯柴油在不同工况下的羰基污染物的排放特性．研究结果表明：分析方法可准确对尾气中13种醛酮类非常规排气污染物进行定性定量分析；燃用混合燃料的羰基污染物的总体比排放量是15．2～332．1mg／（kW·h），是柴油的1．49～3．24倍．在各羰基污染物中，甲醛和乙醛的含量最多，其次是丙烯醛、丙酮、丙醛，这5种醛酮化合物比排放量占总羰基污染物比排放量的80％以上．除燃用纯柴油时的己醛、丙醛排放外，燃用混合燃料和纯柴油的羰基污染物的排放趋势基本一致，均随平均有效压力的升高其比排放量逐渐减小．
英文摘要：
Characteristics of carbonyl compounds（CBCs） emissions from neat diesel and methanol-containing diesel, in which methanol accounted for 13 % by volume, were studied under various engine operating conditions, and a method combining derivative sample pretreatment with high-performance liquid chromatography （HPLC） analysis technology was adopted in this study. The analytical result revealed that 13 kinds of CBCs could be determined accurately by this method. The brake specific CBCs emissions （BSCE） of methanol-containing diesel amounted to 15.2-332.1 mg/（kW·h）, which were 1.49-3.24 times as much as those of neat diesel. Formaldehyde and acetaldehyde constituded the highest contents among CBCs emissions, followed by acrolein, acetone and propionaldehyde. These 5 kinds of CBCs accounted for more than 80 % of the BSCE. With the increase of brake mean effective pressure, the BSCE were observed to decrease significantly apart from hexaldehyde and propionaldehyde from neat diesel.
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