Heavy Metals Release in Soils

Heavy Metals Release in Soils
Author: H. Magdi Selim
Publisher: CRC Press
Total Pages: 266
Release: 2001-06-15
Genre: Technology & Engineering
ISBN: 9781420032611

Understanding the mechanisms associated with metal complexes and the sequestering metal contaminants in the environment is essential for effective remediation. Heavy Metal Release in Soils describes and quantifies desorption/release kinetics and dissolution reactions in the release of heavy metals from soil. The book focuses on: New techniques - microscopic surface techniques, NMR and electrophoresis, XAFS, SFM, and time-resolved ATR-FTIR Theoretical analysis and kinetic approaches - adsorption/desorption hysteresis, competitive sorption and transport, multi-component models, speciation kinetics, isotherms and soil and metal parameters, and the role of soil properties on transport Applications - arsenic speciation and mobility in contaminated soils, modeling activity of CD, Zn, and Cu in contaminated soils, and in situ chemical immobilization A timely addition to the literature, this book highlights the desorption/release mechanisms for the purpose of resolving remediation dilemmas in contaminated environments. It gives you the added advantage of case studies at both the microscopic and macroscopic scales, and provides both experimental and numerical investigations. With contributions from an international panel of authors, Heavy Metals Release in Soils fills a gap in the current literature concerned with subsurface contaminant fate and transport processes.

Adsorption Technology

Adsorption Technology
Author: Frank L. Slejko
Publisher: CRC Press
Total Pages: 240
Release: 1985-03-01
Genre: Science
ISBN: 9780824772857

For the non-specialist involved with evaluating adsorption technology for specific applications, Adsorption Technology provides a timely, hands-on source of step-by-step fundamentals required to meet the needs of all types of adsorption situations. Presenting theoretical and practical information adaptable to granular activated carbon as well as synthetic adsorbents, this illustrated, easy-to-use guide offers convenient access to: principles of adsorption theory, isotherms, and the physical basis for mathematical models ... understanding of laboratory experiments needed to screen adsorbents for new applications ... procedures for testing and evaluating adsorbents in pilot plant studies ... methods for developing conceptual flowsheets for subsequent engineering cost estimating ... and more. With this important reference, industrial process, chemical, and environmental engineers and chemists now have a dependable single source to turn to for a solid, working understanding of applied adsorption technology. Moreover, this volume is an ideal text for graduate-level courses in chemical and environmental engineering, as well as continuing education courses and professional seminars. Book jacket.

Kinetics of Water-Rock Interaction

Kinetics of Water-Rock Interaction
Author: Susan Brantley
Publisher: Springer Science & Business Media
Total Pages: 843
Release: 2007-12-29
Genre: Science
ISBN: 0387735631

Geochemical kinetics as a topic is now of importance to a wide range of geochemists in academia, industry, and government, and all geochemists need a rudimentary knowledge of the field. This book summarizes the fundamentals of geochemical kinetics with examples drawn especially from mineral dissolution and precipitation. It also encompasses discussion of high temperature processes and global geochemical cycle modeling. Analysis of textures of rocks, sediments, and mineral surfaces are incorporated throughout and provide a sub-theme of the book.

Mineral-water Interfacial Reactions

Mineral-water Interfacial Reactions
Author: Donald L. Sparks
Publisher:
Total Pages: 460
Release: 1998
Genre: Science
ISBN:

Clearly explains how to more effectively decipher and predict contaminant fate in the environment by combining kinetic methods and molecular-scale spectroscopic and microscopic techniques to analyze mineral/water interfacial reactions in situ. The book begins with a broad overview, then continues with three sections written by internationally known expert. The first deals specifically with spectroscopic/microscopic techniques that can be used in combination with macroscopic approaches to glean mechanistic information on mineral/water reactions and processes. The second section emphasizes computer models that are used to elucidate surface mediated reaction mechanisms. The remainder of the volume is organized around reaction type, including sorption/desorption of inorganic species, sorption/desorption of organic species, precipitation/dissolution processes, heterogeneous electron transfer reactions, photochemically driven reactions, and microbially mediated reactions. Mineral-Water Interfacial Reactions will be a valuable resource for environmental scientists, geochemists, soil chemists, microbiologists, and marine engineers who need to be familiar with the most current and effective methods for testing and controlling the mobility, speciation, and bioavailability of contaminants in the environment.

Biophysico-Chemical Processes of Heavy Metals and Metalloids in Soil Environments

Biophysico-Chemical Processes of Heavy Metals and Metalloids in Soil Environments
Author: Antonio Violante
Publisher: John Wiley & Sons
Total Pages: 681
Release: 2007-11-27
Genre: Science
ISBN: 0470175478

Written by a multidisciplinary group of soil and environmental scientists, Biophysico-Chemical Processes of Heavy Metals and Metalloids in Soil Environments provides the scientific community with a critical qualitative and quantitative review of the fundamentals of the processes of pollutants in soil environments. The book covers pollutants' speciation, mobility, bioavailability and toxicity, and impacts on development of innovative restoration strategies. In addition, the development of innovative remediation strategies for polluted soils is covered.

Competitive Sorption and Transport of Heavy Metals in Soils and Geological Media

Competitive Sorption and Transport of Heavy Metals in Soils and Geological Media
Author: H. Magdi Selim
Publisher: CRC Press
Total Pages: 420
Release: 2016-04-19
Genre: Science
ISBN: 1439880158

Most reported incidents of soil contamination include an array of heavy metals species rather than a single ion. The various interactions in these multicomponent or multiple-ion systems significantly impact the fate and transport of heavy metals, and competition for sorption sites on soil matrix surfaces is a common phenomenon. Because of this, con

Trace Elements in Waterlogged Soils and Sediments

Trace Elements in Waterlogged Soils and Sediments
Author: Jörg Rinklebe
Publisher: CRC Press
Total Pages: 419
Release: 2016-08-19
Genre: Science
ISBN: 1482240521

Many wetlands around the world act as sinks for pollutants, in particular for trace elements. In comparison to terrestrial environments, wetlands are still far less studied. A collaborative effort among world experts, this book brings the current knowledge concerning trace elements in temporary waterlogged soils and sediments together. It discusses factors controlling the dynamics and release kinetics of trace elements and their underlying biogeochemical processes. It also discusses current technologies for remediating sites contaminated with trace metals, and the role of bioavailability in risk assessment and regulatory decision making. This book is intended for professionals around the world in disciplines related to contaminant bioavailability in aquatic organisms, contaminant fate and transport, remediation technologies, and risk assessment of aquatic and wetland ecosystems.

Bioavailability of Contaminants in Soils and Sediments

Bioavailability of Contaminants in Soils and Sediments
Author: National Research Council
Publisher: National Academies Press
Total Pages: 433
Release: 2003-05-03
Genre: Technology & Engineering
ISBN: 0309086256

Bioavailability refers to the extent to which humans and ecological receptors are exposed to contaminants in soil or sediment. The concept of bioavailability has recently piqued the interest of the hazardous waste industry as an important consideration in deciding how much waste to clean up. The rationale is that if contaminants in soil and sediment are not bioavailable, then more contaminant mass can be left in place without creating additional risk. A new NRC report notes that the potential for the consideration of bioavailability to influence decision-making is greatest where certain chemical, environmental, and regulatory factors align. The current use of bioavailability in risk assessment and hazardous waste cleanup regulations is demystified, and acceptable tools and models for bioavailability assessment are discussed and ranked according to seven criteria. Finally, the intimate link between bioavailability and bioremediation is explored. The report concludes with suggestions for moving bioavailability forward in the regulatory arena for both soil and sediment cleanup.