| 分置式膜-生物反应器凝胶层膜污染模型研究 |
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| 中文关键词 分置式-生物反应器 凝胶极化 极化浓度 膜污染 |
| 英文关键词 recirculated membrane bioreactor gel-polarization polarization concentration fouling |
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| 中文摘要 |
| 通过紊流条件下阻力模型和凝胶极化模型对膜生物反应器的阻力进行分析，结果表明：膜面流速在3~10m/s，运行时间在5h之内时，阻力模型可以很好地符合凝胶模型。通过分置式膜-生物反应器对染料废水超滤膜阻力进行了分析，膜的总阻力随着运行时间增加而增加，在所有阻力中，凝胶阻力占比重最大。 |
| 英文摘要 |
| The resistance analyses for recirculated membrane bioreactor by the resistance-in-series model and the modified gel-polarization model respectively have been extended to the turbulent ultrafiltration system in this study. The experiments are carried out by dye wastewater in a tubular membrane module, it is found that the permeate fluxes are predicted very well by these models for turbinate systems. And the resistance caused by the concentration polarization is studied; the gel layer resistance is the most important of all the resistances. |
