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首页> 外文期刊>RSC Advances >Production of pyrolytic oil from ULDP plastics using silica-alumina catalyst and used as fuel for DI diesel engine
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Production of pyrolytic oil from ULDP plastics using silica-alumina catalyst and used as fuel for DI diesel engine

机译：使用二氧化硅 - 氧化铝催化剂从ULDP塑料中产生热解油，用作DI柴油发动机的燃料

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摘要

A rapid increase in the use of non-biodegradable plastics and their disposal after use has had a detrimental impact on the environment. Used plastics (used low-density polyethylene - ULDP) were selected as feedstock for the extraction of pyrolytic oil. The pyrolysis process was carried out in a semi-batch reactor with a silica alumina catalyst in the existence of fluidizing gas N(2)in a reactor at 500 degrees C for 60 min. The maximum liquid, gas, and char yields were 93.5 wt%, 5.4 wt%, and 1.1 wt%, respectively. Experimental analysis was carried out to obtain their functional and structural groups by FT-IR and the carbon distribution was identified by GC-MS analysis. The blends of 20%, 40%, 60%, 80%, and 100% on a volume basis were chosen for the detailed study. For the pyrolytic blends, the combustion, performance, and emission characteristics were tested at different engine loads. During combustion, the heat release rate was extremely high for neat ULDP oil because of the high energy content and a higher cetane index. The efficiency of ULDP20 was higher than in other blends, whereas NOx and smoke emissions of ULDP20 were lower among the blends but higher than diesel. ULDP20 performed similarly as diesel. Hence, ULDP20 is recommended as a fuel for the diesel engine.
机译：在使用后使用非生物降解塑料的使用快速增加，对环境产生了不利影响。使用使用的塑料（二手低密度聚乙烯 - ULDP）作为用于萃取热解油的原料。在半批量反应器中在具有二氧化硅氧化铝催化剂的半批料反应器中进行热解过程，该催化剂在500℃下在反应器中流化气体N（2）以保持60分钟。最大液体，气体和炭产率分别为93.5wt％，5.4wt％和1.1wt％。进行实验分析以通过FT-IR获得其功能性和结构基团，并通过GC-MS分析鉴定碳分布。选择的实施基础20％，40％，60％，80％和100％的共混物进行详细研究。对于热解混合物，在不同的发动机负载下测试燃烧，性能和排放特性。在燃烧过程中，由于高能量含量和更高的十六烷指数，纯净的ULDP油非常高的热释放速率极高。 ULDP20的效率高于其他混合物，而ULDP20的NOx和烟雾排放在混合物中较低，但高于柴油。 ULDP20与柴油类似地执行。因此，建议ULDP20作为柴油发动机的燃料。

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  • 来源
    《RSC Advances》 |2020年第61期|共14页
  • 作者

    Gopinath Soundararajan; Devan P. K.; Pitchandi K.;

  • 作者单位

    RMK Coll Engn &

    Technol Dept Mech Engn Puduvoyal 601206 Tamil Nadu India;

    RMK Coll Engn &

    Technol Dept Mech Engn Puduvoyal 601206 Tamil Nadu India;

    Sri Venkateswara Coll Engn Dept Mech Engn Sriperumbudur 602117 Tamil Nadu India;

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  • 正文语种 eng
  • 中图分类 化学;
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