Environmental Quality Monitoring & Analysis, - Vol 4 | 7. Interphase Mass Transfer – Flux and Mass Transfer Resistance by Abraham | Learn Smarter
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7. Interphase Mass Transfer – Flux and Mass Transfer Resistance

The chapter focuses on interphase mass transfer, particularly emphasizing Fick's law of diffusion and its implications for environmental quality. It outlines how diffusion is influenced by medium properties, molecular weight, and viscosity, and presents models for understanding mass transfer in sediment and water systems. Resistance to mass transfer and its correlation with hydrodynamics are also discussed.

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Sections

  • 1

    Environmental Quality: Monitoring And Analysis

    This section explores the principles of interphase mass transfer, particularly focusing on diffusion, flux, and mass transfer resistance in environmental monitoring.

    Learning Practice

  • 1.1

    Introduction By Prof. Ravi Krishna

    This section discusses interphase mass transfer, focusing on the concepts of flux and mass transfer resistance as defined by Fick's law of diffusion.

    Learning Practice

  • 1.2

    Interphase Mass Transfer – Flux And Mass Transfer Resistance

    This section discusses the principles of interphase mass transfer, focusing on flux as defined by Fick’s law and the concept of mass transfer resistance.

    Learning Practice

  • 2

    Key Concepts

    This section discusses the principles of interphase mass transfer, particularly flux and mass transfer resistance, and their importance in environmental quality monitoring.

    Learning Practice

  • 2.1

    Fick’s Law Of Diffusion

    Fick's Law of diffusion describes the rate of mass transfer of a substance across a gradient of concentration, demonstrating how flux is related to concentration differences and resistance.

    Learning Practice

  • 2.2

    Factors Affecting Diffusion Coefficient

    This section explores the various factors that influence the diffusion coefficient, including medium density, temperature, molecular weight, and viscosity.

    Learning Practice

  • 2.3

    Viscosity And Its Relation To Diffusion

    This section explores the relationship between viscosity and diffusion, detailing how these properties affect mass transfer in various media.

    Learning Practice

  • 3

    Mass Transfer In Contaminated Systems

    This section covers the principles of mass transfer, particularly focusing on the processes that occur in contaminated systems such as water and sediment interactions.

    Learning Practice

  • 3.1

    Box Model For Contaminated Water

    The section discusses the box model approach to analyze the diffusion of contaminants in water and sediment.

    Learning Practice

  • 3.2

    Rate Of Mass Transfer From Sediments

    This section discusses the principles of mass transfer from sediments, focusing on the factors influencing diffusion and how they affect water quality in a contaminated environment.

    Learning Practice

  • 3.3

    Interfacial Mass Transfer

    This section explains interfacial mass transfer, emphasizing Fick's Law of diffusion, the significance of resistance in various mediums, and how concentration gradients influence pollutant behavior in environmental contexts.

    Learning Practice

  • 4

    Convection And Its Impact On Mass Transfer

    This section delves into the principles of convection and how it affects mass transfer in environmental engineering contexts.

    Learning Practice

  • 4.1

    Understanding Flux And Resistance

    This section discusses the concepts of flux and mass transfer resistance in environmental systems, emphasizing Fick's law of diffusion and factors affecting diffusion coefficients.

    Learning Practice

  • 4.2

    Effects Of Fluid Velocity On Mass Transfer

    This section discusses how fluid velocity influences mass transfer rates, examining the roles of diffusion and convection in various systems.

    Learning Practice

  • 4.3

    Laminar Flow And Its Characteristics

    This section discusses laminar flow, characterized by the smooth movement of fluid in layers, and how various factors affect mass transfer and resistance in interphase mass transfer.

    Learning Practice

  • 5

    Conclusion

    This conclusion summarizes the core concepts regarding interphase mass transfer in environmental quality monitoring.

    Learning Practice

  • 5.1

    Summary Of Mass Transfer Principles

    This section discusses mass transfer principles, focusing on Fick's law of diffusion, resistance during transfer, and factors influencing the diffusion coefficient.

    Learning Practice

  • 5.2

    Future Directions In Research

    This section discusses critical advancements in environmental monitoring and interphase mass transfer, particularly focusing on future research directions and methodologies improving mass transfer resistance.

    Learning Practice

References

46.pdf

Class Notes

Memorization

What we have learnt

  • Flux is defined by Fick's l...
  • Diffusion coefficients depe...
  • Mass transfer rates can cha...

Final Test

Revision Tests