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Kinetics Of Soil Chemical Processes

Author: Donald L. Sparks
Publisher: Academic Press
ISBN: 1483289192
Size: 12.81 MB
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The kinetics of reactions in soil and aquatic environments is a topic of extreme importance and interest. To properly understand the fate of applied fertilizers, pesticides, and organic pollutants with time, and to thus improve nutrient availability and the quality of our groundwater, one must study kinetics. This is the first compre Demonstrates different kinetic methodologies Shows how reactions on soil and soil constituents can be measured by utilizing different techniques Describes rates and mechanisms of interactions with pesticides and organic pollutants with soil Covers the kinetics of chemical weathering Discusses how to use mathematical modeling and computer simulation to model kinetic reactions

Rates Of Soil Chemical Processes

Author: Donald L. Sparks
Publisher: Soil Science Society of Amer
ISBN:
Size: 41.72 MB
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Kinetics of soil chemical reactions. Methods of obtaining and analyzin kinetic data. Relaxation methods for studying kinetics of soil chemical phenomena. Kinetics of ion sorptionon humic substances. Kinetics of sorption/desorption processes in soils. Modelling nonequilibrium reactions of inorganic solutes in soil columns. Sorption kinetics of organic chemicals: methods, models, and mechanisms.

Chemical Equilibria And Kinetics In Soils

Author: Garrison Sposito
Publisher: Oxford University Press on Demand
ISBN: 0195075641
Size: 29.80 MB
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Chemical equilibrium and kinetics; chemical reactions in soil; the equilibrium constant; reaction rate laws; temperature effects; coupled rate laws; special topic; standard states; for further reading; chemical speciation in aqueous solutions; complexation reactions; oxidation reduction reactions; polymeric species; multispecies equilibria; special topic; electrochemical potentials; dissolution precipitation reactions; activity ratio and predominance diagrams; mixed solid phases; reductive dissolution reactions; dissolution reaction mechanisms; surface reactions; adsorption desorption equilibria; adsorption on heterogeneous surfaces; adsorption relaxation kinetics; surface oxidation reduction reactions; transport controlled adsorption kinetics; lon exchange reactions; ion exchange as an adsorption reaction; binary ion exchange equilibria; multicomponent ion exchange equilibria; ion exchange kinetics; heterogeneous ion exchange; colloidal processes; flocculation pathways; the von Smoluchowski Rate Law; scaling the von Smoluchowski Rate Law; Fuchsiam kinetics; the stability ratio; special topic; Cluster fractals.

Environmental Soil Chemistry

Author: Donald L. Sparks
Publisher: Elsevier
ISBN: 1483289206
Size: 17.54 MB
Format: PDF
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As the author states in his Preface, this book is written at a time when scientific and lay communities recognize that knowledge of environmental chemistry is fundamental in understanding and predicting the fate of pollutants in soils and waters, and in making sound decisions about remediation of contaminated soils. Environmental Soil Chemistry presents the fundamental concepts of soil science and applies them to environmentally significant reactions in soil. Clearly and concisely written for undergraduate and beginning graduate students of soil science, the book is likewise accessible to all students and professionals of environmental engineering and science. Chapters cover background information useful to students new to the discipline, including the chemistry of inorganic and organic soil components, soilacidity and salinity, and ion exchange and redox phenomena. However, discussion also extends to sorption/desorption, oxidation-reduction of metals and organic chemicals, rates of pollutant reactions as well as technologies for remediating contaminated soils. Supplementary reading lists, sample problems, and extensive tables and figures make this textbook accessible to readers. Key Features * Provides students with both sound contemporary training in the basics of soil chemistry and applications to real-world environmental concerns * Timely and comprehensive discussion of important concepts including: * Sorption/desorption * Oxidation-reduction of metals and organics * Effects of acidic deposition and salinity on contaminant reactions * Boxed sections focus on sample problems and explanations of key terms and parameters * Extensive tables on elemental composition of soils, rocks and sediments, pesticide classes, inorganic minerals, and methods of decontaminating soils * Clearly written for all students and professionals in environmental science and environmental engineering as well as soil science

Chemical Processes In Soils

Author: M. A. Tabatabai
Publisher: Soil Science Society of Amer
ISBN:
Size: 65.49 MB
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"Soil - perfect home for the actual and figurative roots of all life, source of life-essential chemical elements, recycler of water and carbon, cleanser of ecosystems...R.J. Bartlett & D.S. Ross, p. 461. A thorough understanding of the chemical and biological processes taking place within the soil is critical for those studying or working in the agricultural, ecological, environmental, earth, and soil sciences. This book will serve them well. "

Transport Fate Of Chemicals In Soils

Author: H. Magdi Selim
Publisher: CRC Press
ISBN: 146655794X
Size: 50.30 MB
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During the last four decades, tremendous advances have been made towards the understanding of transport characteristics of contaminants in soils, solutes, and tracers in geological media. Transport & Fate of Chemicals in Soils: Principles & Applications offers a comprehensive treatment of the subject complete with supporting examples of mathematical models that describe contaminants reactivity and transport in soils and aquifers. This approach makes it a practical guide for designing experiments and collecting data that focus on characterizing retention as well as release kinetic reactions in soils and contaminant transport experiments in the laboratory, greenhouse), and in the field. The book provides the basic framework of the principals governing the sorption and transport of chemicalsin soils. It focuses on physical processes such as fractured media, multiregion, multiple porosities, and heterogeneity and effect of scale as well as chemical processes such as nonlinear kinetics, release and desorption hysteresis, multisite and multireaction reactions, and competitive-type reactions. The coverage also includes details of sorption behavior of chemicals with soil matrix surfaces as well the integration of sorption characteristics with mechanisms that govern solute transport in soils. The discussions of applications of the principles of sorption and transport are not restricted to contaminants, but also include nitrogen, phosphorus, and trace elements including essential micronutrients, heavy metals, military explosives, pesticides, and radionuclides. Written in a very clear and easy-to-follow language by a pioneer in soil science, this book details the basic framework of the physical and chemical processes governing the transport of contaminants, trace elements, and heavy metals in soils. Highly practical, it includes laboratory methods, examples, and empirical formulations. The approach taken by the author gives you not only the fundamentals of understanding of reactive chemicals retention and their transport in soils and aquifers, but practical guidance you can put to immediate use in designing experiments and collecting data.

Soil Physical Chemistry

Author: Donald L. Sparks
Publisher: CRC Press
ISBN: 1351415786
Size: 19.38 MB
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Soil Physical Chemistry, Second Edition takes up where the last edition left off. With comprehensive and contemporary discussions on equilibrium and kinetic aspects of major soil chemical process and reactions this excellent text/reference presents new chapters on precipitation/dissolution, modeling of adsorption reactions at the mineral/water interface, and the chemistry of humic substances. An emphasis is placed on understanding soil chemical reactions from a microscopic point of view and rigorous theoretical developments such as the use of modern in situ surface chemical probes such as x-ray adsorption fine structure (XAFS), Fournier transform infrared (FTIR) spectroscopies, and scanning probe microscopies (SPM) are discussed.

Aquatic Chemical Kinetics

Author: Werner Stumm
Publisher: Wiley-Interscience
ISBN:
Size: 60.96 MB
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Aquatic Chemistry An Introduction Emphasizing Chemical Equilibria in Natural Waters Second Edition Edited by Werner Stumm and James J. Morgan This second edition of the renowned classic unites concepts, applications, and techniques with the growing amounts of data in the field. Expanded treatment is offered on steady-state and dynamic models employing mass-balance approaches and kinetic information. New chapters address such topics as: environmental aspects of aquatic chemistry; new material on organic compounds in natural water systems; the use of stable and radioactive isotopes in chemical and physical processes; the latest advances in marine chemistry; solid-solution interface; kinetic considerations of equilibria; metal-ligand interactions; and an expanded compilation of thermodynamic data for important reactions in natural water systems. 1981 (0 471-04831-3) Cloth 780 pp. (0 471-09173-1) Paper Chemical Processes in Lakes Edited by Werner Stumm This is a multidisciplinary analysis of recent research on the physical, chemical, and biological processes in aquatic systems. Coverage includes: distribution of elements and compounds in water and sediments; sedimentation and sediment accumulation of nutrients and pollutants; eurtophication and acidification; atmospheric deposition; redox-related geochemistry and sediment-water exchange of nutrients and metals; sediment dating and paleolimnology; and steady-state and dynamic models. Most chapters focus on the role of biological processes and the coupling of elemental cycles by organisms. 1985 (0 471-88261-5) 435 pp. Principles of Aquatic Chemistry Francois M. M. Morel Here is a quantitative treatment of the chemical principles that govern the composition of natural waters. Features include an in-depth examination of the use of conservation principles in chemical systems, a review of thermodynamic and kinetic principles applicable to aquatic systems, and a novel presentation of a systematic methodology for equilibrium calculations. Detailed coverage is provided on the topic of aquatic chemistry, following the traditional divisions of acid-base, precipitation-dissolution, coordination, redox and surface reactions. 1983 (0 471-08683-5) 446 pp.

Soil Physical Chemistry

Author: Donald L. Sparks
Publisher: CRC Press
ISBN: 1351415786
Size: 12.13 MB
Format: PDF
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Soil Physical Chemistry, Second Edition takes up where the last edition left off. With comprehensive and contemporary discussions on equilibrium and kinetic aspects of major soil chemical process and reactions this excellent text/reference presents new chapters on precipitation/dissolution, modeling of adsorption reactions at the mineral/water interface, and the chemistry of humic substances. An emphasis is placed on understanding soil chemical reactions from a microscopic point of view and rigorous theoretical developments such as the use of modern in situ surface chemical probes such as x-ray adsorption fine structure (XAFS), Fournier transform infrared (FTIR) spectroscopies, and scanning probe microscopies (SPM) are discussed.

The Chemistry Of Soils

Author: Garrison Sposito
Publisher: Oxford University Press
ISBN: 0190630884
Size: 33.20 MB
Format: PDF
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The second edition of The Chemistry of Soils, published in 2008, has been used as a main text in soil-science courses across the world, and the book is widely cited as a reference for researchers in geoscience, agriculture, and ecology. The book introduces soil into its context within geoscience and chemistry, addresses the effects of global climate change on soil, and provides insight into the chemical behavior of pollutants in soils. Since 2008, the field of soil science has developed in three key ways that Sposito addresses in this third edition. For one, research related to the Critical Zone (the material extending downward from vegetation canopy to groundwater) has undergone widespread reorganization as it becomes better understood as a key resource to human life. Secondly, scientists have greatly increased their understanding of how organic matter in soil functions in chemical reactions. Finally, the study of microorganisms as they relate to soil science has significantly expanded. The new edition is still be comprised of twelve chapters, introducing students to the principal components of soil, discussing a wide range of chemical reactions, and surveying important human applications. The chapters also contain completely revised annotated reading lists and problem sets.