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EVALUATION OF THE FACTORS THAT IMPACT SUCCESSFULMEMBRANE BIOLOGICAL REACTOR OPERATIONS AT HIGH SOLIDSCONCENTRATION

机译：在高固含量下影响成功的膜生物反应器操作的因素的评估

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The use of Membrane Bioreactors in wastewater systems is rapidly growing, driven largely byrnsignificant advantages such as smaller footprint, lower sludge yield, good effluent quality andrnenhanced Nutrient removal that their deployment brings to wastewater treatment operations.rnAlthough these systems can theoretically be operated at solids concentrations as high as 30-40rng/L MLSS, in practice, they are operated at solids concentrations of about 8-12 g/L due mainly tornthe alpha factor constraint as well as the increased potential for fouling at higher solidsrnconcentrations. In this paper, we systematically evaluate these constraints and demonstrate thatrnthe application of innovative concepts and technologies can provide a means for overcoming thernalpha factor and the fouling challenges that currently limit the optimal operation of MBRrnsystems.

机译：膜生物反应器在废水系统中的使用正在迅速增长，这在很大程度上得益于以下重要优势：较小的占地面积，较低的污泥产率，良好的出水质量以及对废水处理操作进行有效的营养去除。尽管这些系统理论上可以在固体浓度下运行在实践中，它们的浓度高达30-40rng / L MLSS，主要由于α因子的限制以及较高固体浓度下结垢的可能性增加，因此它们在约8-12 g / L的固体浓度下运行。在本文中，我们系统地评估了这些约束条件，并证明了创新概念和技术的应用可以为克服目前限制MBRrnsystems最佳运行的alpha因子和结垢挑战提供一种手段。

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来源
《Membrane technology 2008》|2008年|p.503-512|共10页
会议地点 Atlanta GA(US)
作者
Malcolm. E. Fabiyi; Richard Novak;
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作者单位

Praxair, Inc. 7000 High Grove Boulevard, Burr Ridge, IL 60527;

Praxair, Inc. 7000 High Grove Boulevard, Burr Ridge, IL 60527;

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会议组织
原文格式 PDF
正文语种 eng
中图分类净水工程（给水处理）;水资源调2查与水利规划;
关键词
alpha factor; fouling; viscosity; Bubble diameter; mechanically agitated contact systems; conventional aeration; oxygen transfer;

机译：α因子;结垢;粘度;气泡直径;机械搅拌的接触系统;常规曝气;氧气转移;

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EVALUATION OF THE FACTORS THAT IMPACT SUCCESSFULMEMBRANE BIOLOGICAL REACTOR OPERATIONS AT HIGH SOLIDSCONCENTRATION

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