Environmental Quality Monitoring & Analysis, - Vol 4 | 9. Interphase Mass Transfer – Individual and Overall Mass Transfer Coefficients by Abraham | Learn Smarter
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9. Interphase Mass Transfer – Individual and Overall Mass Transfer Coefficients

The chapter discusses interface mass transfer, particularly focusing on air-water interactions and the associated resistances at the mass transfer interfaces. It elaborates on the impact of mixing and boundary layers on concentration gradients, highlighting the difficulty of measuring conditions at molecular levels while emphasizing the assumptions made in mass transfer studies. The steady-state assumption plays a significant role in simplifying the analysis of flux across interfaces.

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Sections

  • 1

    Environmental Quality: Monitoring And Analysis

    This section discusses the concept of interface mass transfer, highlighting the significance of understanding mass transfer resistance at the interface between different phases.

    Learning Practice

  • 2

    Interphase Mass Transfer – Individual And Overall Mass Transfer Coefficients

    This section discusses interphase mass transfer, focusing on the individual and overall mass transfer coefficients between different phases, such as air and water.

    Learning Practice

  • 2.1

    Introduction To Interface Mass Transfer

    This section introduces the concept of interface mass transfer, focusing on the interaction between different phases, particularly air and water.

    Learning Practice

  • 2.2

    Resistance In Mass Transfer

    This section explores the concept of mass transfer resistance at the interface between two phases, emphasizing the complexities of measuring gradients and the significance of steady-state assumptions.

    Learning Practice

  • 2.3

    Diffusion Across The Interface

    This section explores the concept of diffusion across an interface, highlighting the principles of mass transfer between phases like air and water, emphasizing resistance and gradient measurements.

    Learning Practice

  • 2.4

    Assumptions In Mass Transfer

    This section discusses the assumptions involved in mass transfer across an interface, particularly between air and water, highlighting the concept of mass transfer resistance.

    Learning Practice

  • 2.5

    Steady State Assumption

    The steady state assumption is crucial in mass transfer analysis, indicating that the accumulation of mass at the interface is negligible.

    Learning Practice

  • 2.6

    Challenges In Measurement

    This section explores the complexities and challenges of measuring mass transfer rates at the interfaces between phases, particularly in environmental contexts.

    Learning Practice

  • 2.7

    Conclusion And Future Discussion

    This section addresses the concept of interphase mass transfer, focusing on resistance experienced at the air-water interface and implications for environmental systems.

    Learning Practice

References

48.pdf

Class Notes

Memorization

What we have learnt

  • Mass transfer occurs at the...
  • The concentration profiles ...
  • The steady-state assumption...

Final Test

Revision Tests