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首页> 外文期刊>International journal of green energy >Catalytic Cracking of Biomass High-Temperature Pyrolysis Tar Using NiO/AC Catalysts
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Catalytic Cracking of Biomass High-Temperature Pyrolysis Tar Using NiO/AC Catalysts

机译：NiO / AC催化剂催化裂解生物质高温热解焦油

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摘要

Nickel oxide supported on activated carbon (NiO/AC) catalysts were prepared and used for catalytic cracking of tars from inert high-temperature pyrolysis of biomass. Rice husk was selected as the feedstock, and pyrolyzed at 800 degrees C using a lab-scale pyrolysis set. The pyrolysis vapors were subjected to either thermal cracking or catalytic cracking under 500-700 degrees C. The results indicated the thermal cracking was not very efficient to convert the tars, while the catalytic cracking reduced both the light and heavy tars significantly. The yield of the light and heavy tars were decreased from 4.4 wt% and 1.9 wt% in the non-catalytic process to 0.2 wt% and 0.1 wt% in the catalytic process by the NiO/AC (4.3 wt%) at 700 degrees C. The catalytic cracking also increased the gas product remarkably, mainly the H-2 and CO2. The catalytic performance of the NiO/AC catalyst could enhance at elevated catalytic temperatures and increased NiO content of the catalyst.
机译：制备了负载在活性炭（NiO / AC）催化剂上的氧化镍，并将其用于从生物质的惰性高温热解中催化裂化焦油。选择稻壳作为原料，并使用实验室规模的热解装置在800摄氏度下热解。热解蒸气在500-700摄氏度下经受热裂或催化裂化。结果表明，热裂化转化焦油的效率不是很高，而催化裂化显着降低了轻焦油和重焦油。 NiO / AC（4.3 wt％）在700摄氏度下，轻质和重质焦油的产率从非催化过程中的4.4 wt％和1.9 wt％降低到催化过程中的0.2 wt％和0.1 wt％催化裂化也显着增加了气体产物，主要是H-2和CO2。 NiO / AC催化剂的催化性能可以在升高的催化温度和增加的催化剂NiO含量下得到增强。

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  • 来源
    《International journal of green energy》 |2015年第12期|773-779|共7页
  • 作者

    Tao Jun; Dong Changqing; Lu Qiang; Liao Hangtao; Du Xiaoze; Yang Yongping; Dahlquist Erik;

  • 作者单位

    North China Elect Power Univ, Natl Engn Lab Biomass Power Generat Equipment, Beijing 102206, Peoples R China|Malardalen Univ, Sch Business Soc & Engn, Vasteras, Sweden;

    North China Elect Power Univ, Natl Engn Lab Biomass Power Generat Equipment, Beijing 102206, Peoples R China;

    North China Elect Power Univ, Natl Engn Lab Biomass Power Generat Equipment, Beijing 102206, Peoples R China;

    North China Elect Power Univ, Natl Engn Lab Biomass Power Generat Equipment, Beijing 102206, Peoples R China;

    North China Elect Power Univ, Natl Engn Lab Biomass Power Generat Equipment, Beijing 102206, Peoples R China;

    North China Elect Power Univ, Natl Engn Lab Biomass Power Generat Equipment, Beijing 102206, Peoples R China;

    Malardalen Univ, Sch Business Soc & Engn, Vasteras, Sweden;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Biomass; pyrolysis; tar; NiO/AC; catalytic cracking;

    机译：生物质;热解;焦油;NiO / AC;催化裂化;

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