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Classified Separation of Flash Pyrolysis Oil

机译：闪速裂解油的分类分离

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摘要

This paper focuses on the classified separation of flash pyrolysis oil by united extraction and distillation. Flash pyrolysis oil was effectively separated into four types of substances, including water-soluble fraction (low-boiling organic acids, alcohols, ketones, etc.), crude saccharide (mainly levoglucosan), phenolic compounds (guaiacol, 2-methoxy-4-methylphenol, etc.), and residue. The separation process was discussed in detail. The optimal separation condition was temperature 50 °C, 1:1 of water-to-oil ratio, and 20 min of contacting time. At this optimal separation condition, external standard method was employed to quantify levoglucosan, 4.1 wt% of levoglucosan accounted for the bio-oil could be obtained. Moreover, the potential applications of these four types of separated substances were discussed and proposed. Considering it is a kind of simple and effective process for the bio-oil, as well as the promising application prospects of the classified separation substances, this separation method will bring a new and highly efficient application of the bio-oil.
机译：本文着眼于通过联合萃取和蒸馏对闪速热解油进行分类分离。闪蒸热解油被有效地分为四种类型的物质，包括水溶性馏分（低沸点有机酸，醇，酮等），粗制糖（主要为左葡萄糖葡聚糖），酚类化合物（愈创木酚，2-甲氧基-4-甲基苯酚等）和残留物。详细讨论了分离过程。最佳分离条件为温度50°C，水油比1：1，接触时间20分钟。在这种最佳分离条件下，采用外标法对左旋葡聚糖进行定量，可获得占生物油的4.1wt％的左旋葡聚糖。此外，讨论并提出了这四种类型的分离物质的潜在应用。考虑到这是一种生物油的简单有效的方法，以及分类分离物质的广阔应用前景，该分离方法将为生物油的应用带来新的，高效的应用。

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  • 来源
    《Bioenergy research》 |2013年第4期|1165-1172|共8页
  • 作者

    Xianwei Zheng; Yan Fu; Jie Chang; Shengyou Liang;

  • 作者单位

    1.The Key Lab of Enhanced Heat Transfer and Energy Conservation Ministry of Education School of Chemistry and Chemical Engineering South China University of Technology Guangzhou Guangdong 510640 China;

    1.The Key Lab of Enhanced Heat Transfer and Energy Conservation Ministry of Education School of Chemistry and Chemical Engineering South China University of Technology Guangzhou Guangdong 510640 China;

    1.The Key Lab of Enhanced Heat Transfer and Energy Conservation Ministry of Education School of Chemistry and Chemical Engineering South China University of Technology Guangzhou Guangdong 510640 China;

    1.The Key Lab of Enhanced Heat Transfer and Energy Conservation Ministry of Education School of Chemistry and Chemical Engineering South China University of Technology Guangzhou Guangdong 510640 China;

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  • 正文语种 eng
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  • 关键词

    Bio-oil Classify Separation Saccharide Phenolics;

    机译：生物油分类分离糖酚类;

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