Effects of ethyl-tert-butyl ether (ETBE) addition on the physicochemical properties of diesel oil and particulate matter and smoke emissions from diesel engines

Effects of ethyl-tert-butyl ether (ETBE) addition on the physicochemical properties of diesel oil and particulate matter and smoke emissions from diesel engines
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DOI：
10.1016/j.fuel.2012.09.004
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发表时间：
2013
期刊：
Fuel
影响因子：
7.4
通讯作者：
K. Górski;A. Sen;W. Lotko;M. Swat
K. Górski;A. Sen;W. Lotko;M. Swat
中科院分区：
工程技术1区
文献类型：
--
作者：
K. Górski;A. Sen;W. Lotko;M. Swat

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柴油中可以添加氧气，以帮助减少柴油发动机的废气排放。本研究评估了在柴油中添加乙基叔丁基醚 (ETBE) 对混合物物理化学性质的影响。添加体积比例为 5%、10%、20%、30% 和 40% 的 ETBE，研究其对密度、粘度、润滑性、表面张力、混溶性和十六烷值的影响。虽然之前已经研究过添加 ETBE 对密度、粘度和十六烷值的影响，但这是第一项研究添加 ETBE 对表面张力、润滑性和混溶性的影响的研究。还研究了添加 ETBE 对颗粒物 (PM) 和烟雾排放的影响。结果表明，添加 ETBE 可以显着减少 PM 排放。特别是，研究发现仅10%的ETBE就可以减少PM排放36%。还发现添加 ETBE 可以降低烟雾不透明度，在发动机转速为 1400rpm、负载为 80Nm 时，40% ETBE 含量可降低 70%。这是第一项报告添加 ETBE 对柴油-ETBE 混合物燃料发动机 PM 排放影响的研究。
Oxygenates may be added to diesel oil to help reduce exhaust emissions from diesel engines. This study evaluates the effect of adding ethyl-tert-butyl ether (ETBE) to diesel oil on the physicochemical properties of the mixture. ETBE is added in volumetric proportions of 5%, 10%, 20%, 30%, and 40%, and its effects on density, viscosity, lubricity, surface tension, miscibility, and cetane number are investigated. While the effects of ETBE addition on density, viscosity, and cetane number have been examined earlier, this is the first study to investigate the effects of ETBE addition on surface tension, lubricity, and miscibility. The impact of ETBE addition on particulate matter (PM) and smoke emissions is also investigated. The results reveal that ETBE addition can significantly reduce PM emission. In particular, it was found that only 10% ETBE can decrease PM emission by 36%. ETBE addition was also found to reduce the smoke opacity, resulting in 70% reduction with 40% ETBE fraction at the engine speed of 1400rpm and a load of 80Nm. This is the first study that reports the effect of ETBE addition on PM emission from an engine fueled by diesel–ETBE blends.