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乙醇汽油的优缺点有哪些?
作者:admin 来源:本站 发布时间:2019-7-18 17:24:44 浏览次数:88

  由于缺乏严格执行国内成分指数,大量使用化学添加剂也造成了许多不良后果。许多化学添加剂的主要成分是燃料油中的限制性成分,如铅、锰、铁、硅、苯、烯烃、硫、磷等。这些物质的过量添加,却破坏了原油的质量,许多化学添加剂的毒性远远高于对照油。有些燃料添加剂含有苯等有害物质。

  Due to the lack of strict implementation of the domestic composition index, the extensive use of chemical additives has also caused many adverse consequences. The main components of many chemical additives are the restrictive components in fuel oil, such as lead, manganese, iron, silicon, benzene, olefins, sulfur, phosphorus and so on. The excessive addition of these substances destroys the quality of crude oil, and the toxicity of many chemical additives is much higher than that of control oil. Some fuel additives contain harmful substances such as benzene.

  化学添加剂与燃料化学反应后,某些方面的性能有所提高,但苯的加入也可能产生苯并芘等多种化学物质的尾气排放,苯并芘是一种高度致癌物质,其毒性很大;例如汽油添加剂之一的四乙基铅,是一种剧毒物质,使用后产生二次污染,目前正退出燃料添加剂领域。近年来,甲基叔丁基醚(MTBE)作为一种提高辛烷值的添加剂,对地下水造成了不可逆转的污染。铁含量的增加影响了汽车电磁阀的功能,降低了汽车的性能。

  After chemical reactions between chemical additives and fuels, some properties have been improved, but the addition of benzene may also produce tail gas emissions of benzopyrene and other chemical substances. Benzopyrene is a highly carcinogenic substance with high toxicity; for example, tetraethyl lead, one of the gasoline additives, is a highly toxic substance, which produces dibenzopyrene after use. Secondary pollution is now withdrawing from the field of fuel additives. In recent years, methyl tert-butyl ether (MTBE), as an additive to increase octane number, has caused irreversible pollution to groundwater. The increase of iron content affects the function of automobile solenoid valve and reduces the performance of automobile.

  缺点:由于E10汽油的热值比普通汽油低4%,所以E10汽油的燃油经济性比普通汽油低3%左右。

  Disadvantage: Because the calorific value of E10 gasoline is 4% lower than that of ordinary gasoline, the fuel economy of E10 gasoline is about 3% lower than that of ordinary gasoline.

  然而,E10乙醇汽油除了具有低热值的缺点外,还有如下表所示的优点:

  However, in addition to the disadvantages of low calorific value, E10 ethanol gasoline has the following advantages:

  主要优点:较高的辛烷值和减少排放

  Main advantages: higher octane number and lower emissions

  主要缺点:低功率,低热值,较高的燃烧,增加发动机沉积物

  Main disadvantages: low power, low calorific value, high combustion, increased engine sediment

  如何应对乙醇汽油的发展趋势?

  How to deal with the development trend of ethanol gasoline?

  在全国推广乙醇汽油是一项国家战略,所以所有的石油公司和添加剂制造商都应该大力支持。为了确保乙醇被更广泛地接受,路博润建议添加高质量的汽油清洁剂和摩擦改进剂,以提高汽油的清洁度、燃油经济性和车辆性能。

  Promoting ethanol gasoline throughout the country is a national strategy, so all oil companies and additive manufacturers should strongly support it. To ensure wider acceptance of ethanol, Lubrizol recommends adding high-quality gasoline cleaners and friction improvers to improve gasoline cleanliness, fuel economy and vehicle performance.

  汽油清洁器控制燃油系统中碳的积累:喷嘴,入口阀和燃烧室,而汽油摩擦改进剂减少活塞环和气缸壁之间的摩擦。在这一关键区域改善润滑将有助于减少燃料消耗和提高驾驶性能。

  Gasoline cleaners control carbon accumulation in fuel systems: nozzles, inlet valves and combustion chambers, while gasoline friction modifiers reduce friction between piston rings and cylinder walls. Improving lubrication in this critical area will help reduce fuel consumption and improve driving performance.


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