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Environmental Transport Processes.

By: Logan, Bruce E.
Material type: materialTypeLabelBookPublisher: Hoboken : John Wiley & Sons, 2012Edition: 2nd ed.Description: 1 online resource (493 pages).Content type: text Media type: computer Carrier type: online resourceISBN: 9781118230077; 1118230078; 9781118230107; 1118230108.Subject(s): Environmental chemistry | Transport theory | Environmental engineering | SCIENCE -- Environmental Science | Natural history | Science | TECHNOLOGY & ENGINEERING -- Environmental -- General | Environmental chemistry | Environmental engineering | Transport theoryGenre/Form: Electronic books.Additional physical formats: Print version:: Environmental Transport Processes.DDC classification: 628 Online resources: Wiley Online Library
Contents:
Environmental Transport Processes; Contents; PREFACE; 1. Introduction; 1.1 Background; 1.2 Notation for chemical transport; 1.3 Simplifications for environmental systems; 1.4 Review of mass balances; 2. Equilbrium Calculations; 2.1 Introduction; 2.2 Thermodynamic state functions; 2.3 Chemical potentials; 2.4 Gibbs free energy and equilibrium constants; 2.5 Distribution of chemicals based on fugacities; 3. Diffusive Transport; 3.1 Introduction; 3.2 Diffusion; 3.3 Calculation of molecular diffusion coefficients; 3.4 Effective diffusion coefficients in porous media.
3.5 Experimental determination of diffusivities and molecular size spectra4. The Constitutive Transport Equation; 4.1 Introduction; 4.2 Derivation of the general transport equation; 4.3 Special forms of the general transport equation; 4.4 Similarity of mass, momentum, and heat dispersion laws; 4.5 Transport relative to moving coordinate systems; 4.6 Simplified forms of the constitutive transport equation; 4.7 The constitutive transport equation in cylindrical and spherical coordinates; 5. Concentration Profiles And Chemical Fluxes; 5.1 Introduction; 5.2 The three theories of mass transport.
5.3 Mass transport in radial and cylindrical coordinates using shell balances6. Mass Transport Correlations: From Theory To Empiricism; 6.1 Definition of a mass transport coefficient; 6.2 The three theories; 6.3 Multiple resistances during interphase mass transport; 6.4 Correlations for mass transport coefficients; 6.5 Transport to spheres; 7. Transport In Sheared Reactors; 7.1 Introduction; 7.2 Fluid shear and turbulence; 7.3 Mass transport in steady sheared fluids; 7.4 Mass transport in turbulent sheared fluids; 7.5 Shear rates in mixed reactors; 7.6 Chemical transport in bubbled reactors.
8. Suspended Unattached And Aggregated Microorganisms8.1 Introduction; 8.2 Chemical transport to cells at rest; 8.3 Effect of fluid motion on microorganisms; 8.4 Transport to microbial aggregates; 8.5 Effectiveness factors for mass transport; 8.6 Relative uptake factors for mass transport; 9. Biofilms; 9.1 Introduction; 9.2 Transport in the fluid layer above a biofilm; 9.3 Biofilm kinetics; 9.4 Modeling completely mixed biofilm reactors: rotating biological contactors; 9.5 Modeling plug flow biofilm reactors: packed beds; 9.6 Modeling wetted wall biofilm reactors: trickling filters.
9.7 Electrogenic biofilms10. Disperson; 10.1 Introduction; 10.2 Averaging properties to derive dispersion coefficients in turbulent fluids; 10.3 Dispersion in nonbounded turbulent sheared fluids; 10.4 Longitudinal dispersion coefficients for defined systems; 10.5 Dispersion in porous media; 11. Rivers, Lakes, And Oceans; 11.1 Introduction; 11.2 Chemical transport in rivers; 11.3 Mixing in lakes; 11.4 Mixing in estuaries; 11.5 Mixing in the ocean; 11.6 Transport of chemicals present as pure phases; 12. Chemical Transport In Porous Media; 12.1 Introduction; 12.2 Porous media hydraulics.
Summary: A unique approach to the challenges of complex environmental systems Environmental Transport Processes, Second Edition provides much-needed guidance on mass transfer principles in environmental engineering. It focuses on working with uncontrolled conditions involving biological and physical systems, offering examples from diverse fields, including mass transport, kinetics, wastewater treatment, and unit processes. This new edition is fully revised and updated, incorporating modern approaches and practice problems at the end of chapters, making the Second Edition more concise, accessible, and ea.
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Environmental Transport Processes; Contents; PREFACE; 1. Introduction; 1.1 Background; 1.2 Notation for chemical transport; 1.3 Simplifications for environmental systems; 1.4 Review of mass balances; 2. Equilbrium Calculations; 2.1 Introduction; 2.2 Thermodynamic state functions; 2.3 Chemical potentials; 2.4 Gibbs free energy and equilibrium constants; 2.5 Distribution of chemicals based on fugacities; 3. Diffusive Transport; 3.1 Introduction; 3.2 Diffusion; 3.3 Calculation of molecular diffusion coefficients; 3.4 Effective diffusion coefficients in porous media.

3.5 Experimental determination of diffusivities and molecular size spectra4. The Constitutive Transport Equation; 4.1 Introduction; 4.2 Derivation of the general transport equation; 4.3 Special forms of the general transport equation; 4.4 Similarity of mass, momentum, and heat dispersion laws; 4.5 Transport relative to moving coordinate systems; 4.6 Simplified forms of the constitutive transport equation; 4.7 The constitutive transport equation in cylindrical and spherical coordinates; 5. Concentration Profiles And Chemical Fluxes; 5.1 Introduction; 5.2 The three theories of mass transport.

5.3 Mass transport in radial and cylindrical coordinates using shell balances6. Mass Transport Correlations: From Theory To Empiricism; 6.1 Definition of a mass transport coefficient; 6.2 The three theories; 6.3 Multiple resistances during interphase mass transport; 6.4 Correlations for mass transport coefficients; 6.5 Transport to spheres; 7. Transport In Sheared Reactors; 7.1 Introduction; 7.2 Fluid shear and turbulence; 7.3 Mass transport in steady sheared fluids; 7.4 Mass transport in turbulent sheared fluids; 7.5 Shear rates in mixed reactors; 7.6 Chemical transport in bubbled reactors.

8. Suspended Unattached And Aggregated Microorganisms8.1 Introduction; 8.2 Chemical transport to cells at rest; 8.3 Effect of fluid motion on microorganisms; 8.4 Transport to microbial aggregates; 8.5 Effectiveness factors for mass transport; 8.6 Relative uptake factors for mass transport; 9. Biofilms; 9.1 Introduction; 9.2 Transport in the fluid layer above a biofilm; 9.3 Biofilm kinetics; 9.4 Modeling completely mixed biofilm reactors: rotating biological contactors; 9.5 Modeling plug flow biofilm reactors: packed beds; 9.6 Modeling wetted wall biofilm reactors: trickling filters.

9.7 Electrogenic biofilms10. Disperson; 10.1 Introduction; 10.2 Averaging properties to derive dispersion coefficients in turbulent fluids; 10.3 Dispersion in nonbounded turbulent sheared fluids; 10.4 Longitudinal dispersion coefficients for defined systems; 10.5 Dispersion in porous media; 11. Rivers, Lakes, And Oceans; 11.1 Introduction; 11.2 Chemical transport in rivers; 11.3 Mixing in lakes; 11.4 Mixing in estuaries; 11.5 Mixing in the ocean; 11.6 Transport of chemicals present as pure phases; 12. Chemical Transport In Porous Media; 12.1 Introduction; 12.2 Porous media hydraulics.

12.3 Contaminant transport of conservative tracers.

A unique approach to the challenges of complex environmental systems Environmental Transport Processes, Second Edition provides much-needed guidance on mass transfer principles in environmental engineering. It focuses on working with uncontrolled conditions involving biological and physical systems, offering examples from diverse fields, including mass transport, kinetics, wastewater treatment, and unit processes. This new edition is fully revised and updated, incorporating modern approaches and practice problems at the end of chapters, making the Second Edition more concise, accessible, and ea.

Print version record.

Includes bibliographical references and index.

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