助溶剂精制法回收车用废润滑油
Journal of Liaoning Shihua University(2011)
Abstract
研究了以糠醛作为主溶剂、添加十二烷基苯磺酸钠作为助溶剂时,剂油体积比、温度、助溶剂质量分数等因素对精制油收率、粘度指数、折光率等性质的影响。结果表明:在温度为80℃、剂油体积比为1.5、w(助溶剂)为0.025%时,所得回收精制油的粘度指数为116.83,25℃折光率为1.441,色度为2.0,凝点为-19℃,w(残炭)为0.496%,回收精制油收率为91.26%。车用废润滑油回收精制后再配以适当的添加剂,可作为符合标准的润滑油使用。
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Key words
Sodium dodecyl benzene sulfonate,Solvent refined,Waste oil,Furfural
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