Modeling Physicochemical Processes Of Microbial Transport In Porous Media

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Modeling Physicochemical Processes of Microbial Transport in Porous Media

Author : Li Cheng
Publisher :
ISBN 13 :
Total Pages : 504 pages
Book Rating : 4.:/5 (659 download)

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Book Synopsis Modeling Physicochemical Processes of Microbial Transport in Porous Media by : Li Cheng

Download or read book Modeling Physicochemical Processes of Microbial Transport in Porous Media written by Li Cheng and published by . This book was released on 2006 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: The traditional colloid filtration model has been recognized to not fully describe transport of microorganisms in porous media under many conditions. Potential reasons for the discrepancies between colloid filtration theories and observed data are summarized into three aspects in the dissertation, including physicochemical heterogeneity, a blocking effect in the attachment process, and irreversible straining. A new transport model is developed to incorporate these non-ideal phenomena. First, both the collision-efficiency coefficient and the detachment-rate coefficient are formulated as probability density functions with log-normal distributions to represent physicochemical heterogeneity of both microbial and porous-medium grain surfaces. Second, the blocking effect is represented by appending a modified random sequential adsorption (RSA) function to the kinetic rate equation. Third, a semi-empirical equation is developed to describe the straining effect. The new model is then evaluated with a series of sensitivity analyses and illustrative applications to measured data. Sensitivity analysis on the role of probability density function (PDF) in collision efficiency and detachment rate coefficient shows that heterogeneity causes longer tailing in breakthrough curves, This effect is controlled by the implementation of the PDF in the detachment rate coefficient because the lower values among a series of detachment rate coefficients delay detachment. Straining phenonmena have received more and more attentions for protozoa transport. The new semi-empirical straining equation derived in the dissertation provides reasonable matches to the colloid data and cryptosporidium data. The Blocking effect is another process of concern for microbial transport, as shown in the analysis of microsporidium column experiments herein. The new model also proved to be successful for simulating MS-2 virus transport. The work presented will help enhance our understanding of biocolloid transport in porous media.

Modeling Transport Phenomena in Porous Media with Applications

Author : Malay K. Das
Publisher : Springer
ISBN 13 : 3319698664
Total Pages : 250 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis Modeling Transport Phenomena in Porous Media with Applications by : Malay K. Das

Download or read book Modeling Transport Phenomena in Porous Media with Applications written by Malay K. Das and published by Springer. This book was released on 2017-11-21 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an ensemble of six major chapters, an introduction, and a closure on modeling transport phenomena in porous media with applications. Two of the six chapters explain the underlying theories, whereas the rest focus on new applications. Porous media transport is essentially a multi-scale process. Accordingly, the related theory described in the second and third chapters covers both continuum‐ and meso‐scale phenomena. Examining the continuum formulation imparts rigor to the empirical porous media models, while the mesoscopic model focuses on the physical processes within the pores. Porous media models are discussed in the context of a few important engineering applications. These include biomedical problems, gas hydrate reservoirs, regenerators, and fuel cells. The discussion reveals the strengths and weaknesses of existing models as well as future research directions.

Transport Processes in Porous Media

Author : Jacob Bear
Publisher : Springer Science & Business Media
ISBN 13 : 9401136289
Total Pages : 807 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Transport Processes in Porous Media by : Jacob Bear

Download or read book Transport Processes in Porous Media written by Jacob Bear and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 807 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the invited lectures presented during the NATO/ASI conducted in Pullman, Washington, July 9-18, 1989. This is the third in a series of NATO/ASIs on transport phenomena in porous media. The first two, which took place at Newark, Delaware in 1982 and 1985, are devoted to various topics related to the Fundamentals of Transport Processes in Porous Media. The contents of the books resulting from previous NATO/ASIs are given at the end of this book. Transport of extensive quantities such as mass of a fluid phase, mass of chemical species carried by a fluid phase, energy and electric charge in porous media, as encountered in a large variety of engineering disciplines, is an emerging interdisciplinary field. The groundwater flow, the simultaneous flow of gas, oil and water in petroleum reservoirs, the movement and accumulation of pollutants in the saturated and unsaturated subsurface zones, thermal energy storage in reservoirs, land subsidence in response to charges in overburden loads, or to pumping of fluids from underground formations, wave propagation in seismic investigations or as produced by earthquakes, chemical reactors, water flow through sand filters and the movement of fluids through kidneys, may serve as examples of fields in which the theory of transport in porous media is employed.

Transport Processes in Porous Media

Author : Frank A. Coutelieris
Publisher : Springer Science & Business Media
ISBN 13 : 3642279090
Total Pages : 243 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Transport Processes in Porous Media by : Frank A. Coutelieris

Download or read book Transport Processes in Porous Media written by Frank A. Coutelieris and published by Springer Science & Business Media. This book was released on 2012-01-25 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subject of this book is to study the porous media and the transport processes occur there. As a first step, the authors discuss several techniques for artificial representation of porous. Afterwards, they describe the single and multi phase flows in simplistic and complex porous structures in terms of macroscopic and microscopic equations as well as of their analytical and numerical solutions. Furthermore, macroscopic quantities such as permeability are introduced and reviewed. The book also discusses with mass transport processes in the porous media which are further strengthen by experimental validation and specific technological applications. This book makes use of state-of-the-art techniques for the modeling of transport processes in porous structures, and considers of realistic sorption mechanisms. It the applies advanced mathematical techniques for upscaling of the major quantities, and presents the experimental investigation and application, namely, experimental methods for the measurement of relevant transport properties. The main benefit of the book is that it discusses all the topics related to transport in porous media (including state-of-the-art applications) and presents some of the most important theoretical, numerical and experimental developments in porous media domain, providing a self-contained major reference that is appealing to both the scientists and the engineers. At the same time, these topics encounter a variety of scientific and engineering disciplines, such as chemical, civil, agricultural, mechanical engineering. The book is divided in several chapters that intend to be a resume of the current state of knowledge for benefit of related professionals and scientists.

Modeling of Microscale Transport in Biological Processes

Author : Sid M. Becker
Publisher : Academic Press
ISBN 13 : 9780128045954
Total Pages : 0 pages
Book Rating : 4.0/5 (459 download)

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Book Synopsis Modeling of Microscale Transport in Biological Processes by : Sid M. Becker

Download or read book Modeling of Microscale Transport in Biological Processes written by Sid M. Becker and published by Academic Press. This book was released on 2017-01-12 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modeling of Microscale Transport in Biological Processes provides a compendium of recent advances in theoretical and computational modeling of biotransport phenomena at the microscale. The simulation strategies presented range from molecular to continuum models and consider both numerical and exact solution method approaches to coupled systems of equations. The biological processes covered in this book include digestion, molecular transport, microbial swimming, cilia mediated flow, microscale heat transfer, micro-vascular flow, vesicle dynamics, transport through bio-films and bio-membranes, and microscale growth dynamics. The book is written for an advanced academic research audience in the fields of engineering (encompassing biomedical, chemical, biological, mechanical, and electrical), biology and mathematics. Although written for, and by, expert researchers, each chapter provides a strong introductory section to ensure accessibility to readers at all levels.

Advances in Porous Media

Author : M.Y. Corapcioglu
Publisher : Elsevier
ISBN 13 : 0080526799
Total Pages : 455 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Advances in Porous Media by : M.Y. Corapcioglu

Download or read book Advances in Porous Media written by M.Y. Corapcioglu and published by Elsevier. This book was released on 1996-12-06 with total page 455 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Porous Media, Volume 3 presents in-depth review papers that give a comprehensive coverage of the field of transport in porous media. This is the third volume in the series which treats transport phenomena in porous media as an interdisciplinary topic. The objective of each chapter is to review the work done on a specific topic including theoretical, numerical as well as experimental studies. All contributors are from a variety of backgrounds, such as civil and environmental engineering, earth and environmental sciences. The articles are aimed at scientists and engineers from various fields who are concerned with the fundamentals and applications of processes in porous media. Advances in Porous Media, Volume 3 is a valuable source of information for both researchers in the field and those working in other related disciplines.

Introduction to Modeling of Transport Phenomena in Porous Media

Author : Jacob Bear
Publisher : Springer Science & Business Media
ISBN 13 : 0792305574
Total Pages : 583 pages
Book Rating : 4.7/5 (923 download)

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Book Synopsis Introduction to Modeling of Transport Phenomena in Porous Media by : Jacob Bear

Download or read book Introduction to Modeling of Transport Phenomena in Porous Media written by Jacob Bear and published by Springer Science & Business Media. This book was released on 1990-03-31 with total page 583 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main purpose of this book is to provide the theoretical background to engineers and scientists engaged in modeling transport phenomena in porous media, in connection with various engineering projects, and to serve as a text for senior and graduate courses on transport phenomena in porous media. Such courses are taught in various disciplines, e. g. , civil engineering, chemical engineering, reservoir engineering, agricultural engineering and soil science. In these disciplines, problems are encountered in which various extensive quantities, e. g. , mass and heat, are transported through a porous material domain. Often the porous material contains several fluid phases, and the various extensive quantities are transported simultaneously throughout the multiphase system. In all these disciplines, management decisions related to a system's development and its operation have to be made. To do so, the 'manager', or the planner, needs a tool that will enable him to forecast the response of the system to the implementation of proposed management schemes. This forecast takes the form of spatial and temporal distributions of variables that describe the future state of the considered system. Pressure, stress, strain, density, velocity, solute concentration, temperature, etc. , for each phase in the system, and sometime for a component of a phase, may serve as examples of state variables. The tool that enables the required predictions is the model. A model may be defined as a simplified version of the real (porous medium) system that approximately simulates the excitation-response relations of the latter.

A Mathematical Model of Microbial Transport in Porous Media

Author : Ajit Haridas
Publisher :
ISBN 13 :
Total Pages : 358 pages
Book Rating : 4.:/5 (13 download)

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Book Synopsis A Mathematical Model of Microbial Transport in Porous Media by : Ajit Haridas

Download or read book A Mathematical Model of Microbial Transport in Porous Media written by Ajit Haridas and published by . This book was released on 1983 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fundamentals of Transport Phenomena in Porous Media

Author : Jacob Bear
Publisher : Springer Science & Business Media
ISBN 13 : 9400961758
Total Pages : 988 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Fundamentals of Transport Phenomena in Porous Media by : Jacob Bear

Download or read book Fundamentals of Transport Phenomena in Porous Media written by Jacob Bear and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the lectures presented at the NATO Advanced Study Institute that took place at the University of Delaware, Newark, Delaware, July 18-27, 1982. The purpose of this Institute was to provide an international forum for exchange of ideas and dissemination of knowledge on some selected topics in Mechanics of Fluids in Porous Media. Processes of transport of such extensive quantities as mass of a phase, mass of a component of a phase, momentum and/or heat occur in diversified fields, such as petroleum reservoir engineer ing, groundwater hydraulics, soil mechanics, industrial filtration, water purification, wastewater treatment, soil drainage and irri gation, and geothermal energy production. In all these areas, scientists, engineers and planners make use of mathematical models that describe the relevant transport processes that occur within porous medium domains, and enable the forecasting of the future state of the latter in response to planned activities. The mathe matical models, in turn, are based on the understanding of phenomena, often within the void space, and on theories that re late these phenomena to measurable quantities. Because of the pressing needs in areas of practical interest, such as the develop ment of groundwater resources, the control and abatement of groundwater contamination, underground energy storage and geo thermal energy production, a vast amount of research efforts in all these fields has contributed, especially in the last t~o decades, to our understanding and ability to describe transport phenomena.

Water-resources Investigations Report

Author :
Publisher :
ISBN 13 :
Total Pages : 756 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Water-resources Investigations Report by :

Download or read book Water-resources Investigations Report written by and published by . This book was released on 1991 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bio-colloidal Transfer in Saturated and Unsaturated Porous Media

Author : Hongjuan Bai
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (981 download)

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Book Synopsis Bio-colloidal Transfer in Saturated and Unsaturated Porous Media by : Hongjuan Bai

Download or read book Bio-colloidal Transfer in Saturated and Unsaturated Porous Media written by Hongjuan Bai and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The investigation of the transport and retention of bacteria in porous media has a great practical importance in environmental applications, such as protection of the surface and groundwater supplies from contamination, risk assessment from microorganisms in groundwater, and soil bioremediation. The aim of this study is to gain a fundamental understanding of the mechanisms that control bacteria transport and deposition in saturated and unsaturated porous media. Laboratory tracer and bacteria transport experiments at Darcy scale were performed in three porous media with distinct pore size distribution in order to investigate and quantify water and bacteria transport process under steady state flow conditions. A conservative solute was used as water tracer to characterize water flow pathways through porous media. A gram negative, motile Escherichia coli, a gram negative, non-motile Klebsiella sp. and a gram positive, non-motile R. rhodochrous were selected for the transport experiments. Characterization of cell properties (such as cell size and shape, zeta potential, motility and hydrophobicity) was performed for each strain. Numerical simulations with HYDRUS-1D code were performed to characterize water flow and to estimate bacteria transport and deposition parameters. The later were explored to identify bacteria flow patterns and physicochemical or physical mechanisms involved in bacteria deposition. To provide a better understanding of the mechanisms involved on bacteria transport and deposition, pore scale experiments were carried out by using microfluidic devices, designed for this purpose. The information obtained from laboratory experiments and numerical modeling was improved by theoretical calculation of different interactions between bacteria and porous media at air/water/solid interfaces. DLVO and non-DLVO interactions such as hydrophobic, steric, capillary and hydrodynamic forces involved in bacteria deposition were considered to describe bacteria-interface interactions in order to identify their relative impact on physicochemical and physical deposition of bacteria. Results obtained through both laboratory experiments and numerical simulationsoutlined non-uniform flow pathways, which were dependent on both grain/pore size as well as pore size distribution of the porous media. For a given porous medium, water flow patterns became more non-uniform and dispersive with decreasing water saturation due to the presence of air phase, which lead to an increase of the tortuosity of the flow pathways under unsaturated conditions. Bacteria transport pathways were different from the tracer transport, due to size exclusion of bacteria from smaller pore spaces and bacteria motility. Bacteria deposition was greatly influenced by pore network geometry, cell properties and water saturation degree. Both physical straining and physicochemical attachment should be taken into account to well describe bacteria deposition, but their importance on bacteria deposition is closely linked to porous media and cell properties. The results obtained in this work highlighted the simultaneous role of cell properties, pore size distribution and hydrodynamics of the porous media on bacteria transport and deposition mechanisms. The calculation of DLVO and non-DLVO interactions showed that bacteria deposition in saturated and unsaturated porous media was influenced by both kinds of interactions.

Reactive Transport in Porous Media

Author : Peter C. Lichtner
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 1501509799
Total Pages : 452 pages
Book Rating : 4.5/5 (15 download)

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Book Synopsis Reactive Transport in Porous Media by : Peter C. Lichtner

Download or read book Reactive Transport in Porous Media written by Peter C. Lichtner and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-12-17 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 34 of Reviews in Mineralogy focuses on methods to describe the extent and consequences of reactive flow and transport in natural subsurface systems. Since the field of reactive transport within the Earth Sciences is a highly multidisciplinary area of research, including geochemistry, geology, physics, chemistry, hydrology, and engineering, this book is an attempt to some extent bridge the gap between these different disciplines. This volume contains the contributions presented at a short course held in Golden, Colorado, October 25-27, 1996 in conjunction with the Mineralogical Society of America's (MSA) Annual Meeting with the Geological Society of America in Denver, Colorado.

Transport Phenomena in Porous Media

Author : Yasuaki Ichikawa
Publisher : Springer
ISBN 13 : 9783642428975
Total Pages : 0 pages
Book Rating : 4.4/5 (289 download)

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Book Synopsis Transport Phenomena in Porous Media by : Yasuaki Ichikawa

Download or read book Transport Phenomena in Porous Media written by Yasuaki Ichikawa and published by Springer. This book was released on 2014-04-13 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph presents an integrated perspective of the wide range of phenomena and processes applicable to the study of transport of species in porous materials. In order to formulate the entire range of porous media and their uses, this book gives the basics of continuum mechanics, thermodynamics, seepage and consolidation and diffusion, including multiscale homogenization methods. The particular structure of the book has been chosen because it is essential to be aware of the true properties of porous materials particularly in terms of nano, micro and macro mechanisms. This book is of pedagogical and practical importance to the fields covered by civil, environmental, nuclear and petroleum engineering and also in chemical physics and geophysics as it relates to radioactive waste disposal, geotechnical engineering, mining and petroleum engineering and chemical engineering.

Multiscale and Multiphysics Processes in Geomechanics

Author : Ronaldo I. Borja
Publisher : Springer Science & Business Media
ISBN 13 : 3642196306
Total Pages : 223 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis Multiscale and Multiphysics Processes in Geomechanics by : Ronaldo I. Borja

Download or read book Multiscale and Multiphysics Processes in Geomechanics written by Ronaldo I. Borja and published by Springer Science & Business Media. This book was released on 2011-05-10 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: This state-of-the-art book contains all results and papers of the International Workshop on Multiscale and Multiphysics Processes in Geomechanics at Stanford University Campus, June 23–25, 2010.

Modeling of Microscale Transport in Biological Processes

Author : Sid M. Becker
Publisher : Academic Press
ISBN 13 : 0128046198
Total Pages : 396 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Modeling of Microscale Transport in Biological Processes by : Sid M. Becker

Download or read book Modeling of Microscale Transport in Biological Processes written by Sid M. Becker and published by Academic Press. This book was released on 2016-12-27 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modeling of Microscale Transport in Biological Processes provides a compendium of recent advances in theoretical and computational modeling of biotransport phenomena at the microscale. The simulation strategies presented range from molecular to continuum models and consider both numerical and exact solution method approaches to coupled systems of equations. The biological processes covered in this book include digestion, molecular transport, microbial swimming, cilia mediated flow, microscale heat transfer, micro-vascular flow, vesicle dynamics, transport through bio-films and bio-membranes, and microscale growth dynamics. The book is written for an advanced academic research audience in the fields of engineering (encompassing biomedical, chemical, biological, mechanical, and electrical), biology and mathematics. Although written for, and by, expert researchers, each chapter provides a strong introductory section to ensure accessibility to readers at all levels. Features recent developments in theoretical and computational modeling for clinical researchers and engineers Furthers researcher understanding of fluid flow in biological media and focuses on biofluidics at the microscale Includes chapters expertly authored by internationally recognized authorities in the fundamental and applied fields that are associated with microscale transport in living media

U.S. Geological Survey Toxic Substances Hydrology Program

Author : Gail E. Mallard
Publisher :
ISBN 13 :
Total Pages : 748 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis U.S. Geological Survey Toxic Substances Hydrology Program by : Gail E. Mallard

Download or read book U.S. Geological Survey Toxic Substances Hydrology Program written by Gail E. Mallard and published by . This book was released on 1992 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Unsaturated-zone Modeling

Author : R.A. Feddes
Publisher : Springer Science & Business Media
ISBN 13 : 9781402029189
Total Pages : 392 pages
Book Rating : 4.0/5 (291 download)

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Book Synopsis Unsaturated-zone Modeling by : R.A. Feddes

Download or read book Unsaturated-zone Modeling written by R.A. Feddes and published by Springer Science & Business Media. This book was released on 2004-10-11 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mankind has manipulated the quantity and quality of soil water for millennia. Food production was massively increased through fertilization, irrigation and drainage. But malpractice also caused degradation of immense areas of once fertile land, rendering it totally unproductive for many generations. In populated areas, the pollutant load ever more often exceeds the soil’s capacity for buffering and retention, and large volumes of potable groundwater have been polluted or are threatened to be polluted in the foreseeable future. In the past decades, the role of soil water in climate patterns has been recognized but not yet fully understood. The soil-science community responded to this diversity of issues by developing numerical models to simulate the behavior of water and solutes in soils. These models helped improve our understanding of unsaturated-zone processes and develop sustainable land-management practices. Aimed at professional soil scientists, soil-water modelers, irrigation engineers etc., this book discusses our progress in soil-water modeling. Top scientists present case studies, overviews and analyses of strengths, weaknesses, opportunities and threats related to soil-water modeling. The contributions cover a wide range of spatial scales, and discuss fundamental aspects of unsaturated-zone modeling as well as issues related to the application of models to real-world problems.