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首页> 外文会议>SAE International Powertrains, Fuels and Lubricants Meeting >Diesel Fuel Improvers and Their Effect on Microbial Stability of Diesel/Biodiesel Blends
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Diesel Fuel Improvers and Their Effect on Microbial Stability of Diesel/Biodiesel Blends

机译：柴油燃料改进剂及其对柴油/生物柴油混合物微生物稳定性的影响

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Additives that enhance properties, such as cetane number or cold flow, are introduced in diesel-biodiesel blends in order to upgrade its performance as well as to aid its handling and distribution. Furthermore, in order to protect the engine and fuel operating system equipment, diesel fuel may be treated with corrosion inhibitors and detergents. However, additives could also have an impact on other parameters beyond those that they are intended to boost. In the present study the effect of diesel fuel improvers on fuel’s microbial stability is examined. An additive-free ultra low sulfur diesel (ULSD) was blended with Soybean Fatty Acid Methyl Esters (FAME) and the resulting blend was treated separately with a series of commercially available diesel fuel additives. Specific products belonging to the groups of cold-flow improvers, cetane improvers, metal deactivators and corrosion inhibitors were employed and were added both at the recommended treating rate as well as in a range of concentrations (1000, 250 and 500 ppm). Following to this, the impact of those agents on microbial proliferation in diesel fuel was studied under certain testing protocols for detecting and evaluating substances that could inhibit fuel biodeterioration. Overall, the results demonstrate that certain additives primarily added to diesel fuel in order to improve its performance contain substances that are non-supportive to bacterial proliferation.
机译：在柴油机 - 生物柴油混合物中引入了增强特性，例如十六烷数或冷流的添加剂，以提高其性能，并有助于其处理和分配。此外，为了保护发动机和燃料操作系统设备，可以用腐蚀抑制剂和洗涤剂治疗柴油燃料。然而，添加剂也可能对其他参数产生影响，超出它们旨在提高的其他参数。在本研究中，研究了柴油燃料改善对燃料微生物稳定性的影响。将无添加剂的超低硫柴油（ULSD）与大豆脂肪酸甲酯（FAME）混合，并用一系列市售的柴油添加剂分开处理所得混合物。采用了属于冷流改良剂，十六烷改进剂，金属钝化剂和腐蚀抑制剂组的特定产品，并以推荐的处理率以及浓度（1000,250和500ppm）的含量。在此之后，在某些测试方案下研究了这些药物对柴油燃料微生物增殖的影响，用于检测和评估可能抑制燃料生物或者燃料生物的物质。总的来说，结果表明，某些主要添加到柴油燃料中的添加剂，以改善其性能含有非符合细菌增殖的物质。

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