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Multiple Particle Retention Mechanisms during Filtration in Porous Media

机译:多孔介质过滤过程中的多种颗粒保留机制

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摘要

A statistical model for filtration in porous media is proposed and analytical solutions for particle concentrations are derived. The proposed model takes multiple particle capture mechanisms into account and allows a fundamental physical interpretation of the filtration coefficients. Considering two distinct particle capture mechanisms, the inverse problem solution was discussed and applied to determine the filtration coefficients by fitting experimental data from the literature. Finally, a comparison between the classic and proposed model predictions led to the conclusion that the proposed model showed better agreement with experimental data.
机译:提出了在多孔介质中过滤的统计模型,并得出了颗粒浓度的分析解决方案。提出的模型考虑了多种粒子捕获机制,并允许对过滤系数进行基本的物理解释。考虑到两种截然不同的粒子捕获机制,讨论了逆问题解决方案,并将其应用于通过拟合来自文献的实验数据来确定过滤系数。最后,通过对经典模型和拟议模型的预测结果进行比较,得出结论:拟议模型显示出与实验数据更好的一致性。

著录项

  • 来源
    《Environmental Science & Technology》 |2010年第7期|p.2515-2521|共7页
  • 作者

    A. SANTOS; P. H. L. BARROS;

  • 作者单位

    Departamento de Engenharia Quimica, Universidade Federal do Rio Grande do Norte, Av. Salgado Filho 3000, 59078-970 Natal/RN, Brazil;

    Pos Graduacao em Engenharia de Petroleo, Universidade Federal do Rio Grande do Norte, Av. Salgado Filho 3000, 59078-970 Natal/RN, Brazil;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
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