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首页> 外文期刊>Bioprocess and Biosystems Engineering >Effect of viscosity on the mixing efficiency in a self-agitation anaerobic baffled reactor
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Effect of viscosity on the mixing efficiency in a self-agitation anaerobic baffled reactor

机译：粘度对自搅拌厌氧折流板反应器混合效率的影响

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摘要

One special self-agitation reactor, which does not require a mechanical mixer or other equipment for mixing, has been introduced. Self-agitation is affected by variation in viscosity property. To obtain and research the effect of viscosity on mixing behavior in the self-agitation reactor, Fluent(A (R)) was used to create numerical simulations and to visualize the fluid flow status. The results show that when the viscosity of the liquid is 1 mPa s, the entire self-agitation results in an almost completely mixed reactor. The substrate becomes difficult to agitate, and the diffusion of the substrate and the tracer become quite after every self-agitation, as the viscosity increases. Once the viscosity is higher than 25 mPa s, the substrate and tracer could not be mixed in the entire reactor, and the reactor is recognized as the combination of several completely mixed reactors between which little exchange of liquid occurs.
机译：已经引入了一种不需要机械混合器或其他用于混合的特殊自搅拌反应器。自搅动受粘度特性变化的影响。为了获得和研究粘度对自搅拌反应器中混合行为的影响，使用Fluent（A（R））创建数值模拟并可视化流体流动状态。结果表明，当液体的粘度为1 mPa s时，整个自搅动导致反应器几乎完全混合。底物变得难以搅动，并且随着粘度的增加，每次自搅动后底物和示踪剂的扩散就变得非常明显。一旦粘度高于25 mPa s，就无法在整个反应器中混合底物和示踪剂，并且该反应器被认为是几个完全混合的反应器的组合，它们之间几乎没有液体交换。

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  • 来源
    《Bioprocess and Biosystems Engineering》 |2015年第5期|905-910|共6页
  • 作者

    Qi Wei-Kang; Guo Yi-Ling; Xue Mei; Du Jing-Ru; Li Weicheng; Li Yu-You;

  • 作者单位

    Tohoku Univ, Grad Sch Environm Studies, Aoba Ku, Sendai, Miyagi 9808579, Japan;

    Qingdao Technol Univ, Inst Environm & Municipal Engn, Qingdao 266033, Peoples R China;

    Qingdao Technol Univ, Inst Environm & Municipal Engn, Qingdao 266033, Peoples R China;

    Tohoku Univ, Grad Sch Environm Studies, Aoba Ku, Sendai, Miyagi 9808579, Japan;

    Tohoku Univ, Grad Sch Engn, Dept Civil & Environm Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan;

    Xian Univ Architecture & Technol, MOE, Key Lab, Key Lab Northwest Water Resource Environm & Ecol, Xian 710055, Peoples R China|Tohoku Univ, Grad Sch Engn, Dept Civil & Environm Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan;

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

    Anaerobic digestion; Viscosity; Self-agitation; CFD; Flow state;

    机译：厌氧消化粘度自搅拌CFD流动状态;

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