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Conversion of yeast by hydrothermal treatment under reducing conditions

机译:在还原条件下通过水热处理转化酵母

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摘要

In the work reported here, baker's yeast {Saccharomyces cerevisiae) was used as feed for the production of liquid biofuels in a continuous one-step process under hydrothermal conditions in the presence of excess hydrogen and K_2CO_3. The yeast conversion experiments were performed in an up-flow reacted under near-critical water conditions (T 330-450 ℃, p 20-32 MPa). The products consisted of three phases, an oil-like organic phase, a gaseous phase, and an aqueous phase. Higher concentrations of organic carbon in the process resulted in a higher product yield. The heating value of the organic phase was up to 38.6 MJ/kg. Liquefaction of yeast without any addition of K_2CO_3 also resulted in liquid oil. but the quality and the yield of the oi! product were lower. A reaction temperature of 400 ℃ was f ound To be Dptimal for the oil yield and quality.
机译:在这里报道的工作中,在存在过量氢和K_2CO_3的情况下,在水热条件下以连续一步法将面包酵母(Saccharomyces cerevisiae)用作生产液体生物燃料的原料。酵母转化实验是在接近临界水的条件下(T 330-450℃,p 20-32 MPa)在上流反应条件下进行的。产物由三相,油状有机相,气相和水相组成。该过程中较高的有机碳浓度导致较高的产品产率。有机相的热值高达38.6 MJ / kg。不添加K_2CO_3的酵母液化也产生了液态油。但油的质量和产量!产品较低。对于油的收率和质量来说,400℃的反应温度是最佳的。

著录项

  • 来源
    《Fuel》 |2011年第11期|p.3424-3432|共9页
  • 作者单位

    lKFt, Karlsruhe Institute of Technology (KIT), D-76D21 Karlsruhe, Germany,Prozessanalytik und Cetreidetechnologie (PAG), Universitat Hohenheim, D-70599, Germany;

    lKFt, Karlsruhe Institute of Technology (KIT), D-76D21 Karlsruhe, Germany;

    lKFt, Karlsruhe Institute of Technology (KIT), D-76D21 Karlsruhe, Germany;

    lKFt, Karlsruhe Institute of Technology (KIT), D-76D21 Karlsruhe, Germany;

    Prozessanalytik und Cetreidetechnologie (PAG), Universitat Hohenheim, D-70599, Germany;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    wastewater treatment; thermochemical conversion; allothtrmal conversion; biofuel; hydrogen;

    机译:废水处理;热化学转化异体转化;生物燃料氢;

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