本文中采用气相色谱质谱仪、电感耦合等离子体发射光谱仪和高频往复试验机，分别测量了由废润滑油制取的再生柴油的烃类组成、微量元素和润滑性能。结果表明：柴油烃类组成主要为链烷烃、芳香烃和环烷烃；而再生柴油烃类组成主要为链烷烃和芳香烃；在再生柴油微量元素中，硫含量最高，其次是钙、钠、硅、铷，浓度均超过8mg/L；再生柴油主要理化性能与0#柴油较为接近，润滑性能优于0#柴油，可以满足柴油机燃用要求。%In this paper, the hydrocarbon compositions, trace elements and lubrication performance of diesel-like fuel produced from waste engine oil are measured by using gas chromatograph-mass spectrometer, induc-tively coupled plasma emission spectrometer and high-frequency reciprocating rig. The results show that the main compositions of ordinary diesel fuel are alkanes, cycloalkanes and aromatic hydrocarbons, while that of diesel-like fuel are alkanes and aromatic hydrocarbons. The main trace elements of diesel-like fuel are sulfur, calcium, natri-um, silicon and rubidium in order of content with all their concentration exceeding 8mg/L. The most physical and chemical properties of diesel-like fuel are close to that of No. 0 diesel with its lubricity better than that of No. 0 diesel, meeting the requirements of diesel engines.
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