Gas Hydrates 1


Book Description

Gas hydrates, or clathrate hydrates, are crystalline solids resembling ice, in which small (guest) molecules, typically gases, are trapped inside cavities formed by hydrogen-bonded water (host) molecules. They form and remain stable under low temperatures – often well below ambient conditions – and high pressures ranging from a few bar to hundreds of bar, depending on the guest molecule. Their presence is ubiquitous on Earth, in deep-marine sediments and in permafrost regions, as well as in outer space, on planets or comets. In addition to water, they can be synthesized with organic species as host molecules, resulting in milder stability conditions: these are referred to as semi-clathrate hydrates. Clathrate and semi-clathrate hydrates are being considered for applications as diverse as gas storage and separation, cold storage and transport and water treatment. This book is the first of two edited volumes, with chapters on the experimental and modeling tools used for characterizing and predicting the unique molecular, thermodynamic and kinetic properties of gas hydrates (Volume 1) and on gas hydrates in their natural environment and for potential industrial applications (Volume 2).




Chemical Abstracts


Book Description




Boron Hydrides, High Potential Hydrogen Storage Materials


Book Description

Boron hydrides are hydrogen storage materials which are the object of intensive investigation because they pose tangible solution to the hydrogen storage issue. This book reviews research on boron hydrides and gives a general view of the perspectives of application.




Metal-Organic Frameworks


Book Description

Focusing on applications in separation, adsorption and catalysis, this handbook underlines the importance of this hot and exciting topic. It provides an excellent insight into the synthesis and modification of MOFs, their synthesis on an industrial scale, their use as CO2 and chemical warfare adsorbers, and the role of defects in catalysis. In addition, the authors treat such new aspects as biocatalysis and applications in photocatalysis and optoelectronic devices.




Metal-Organic Frameworks


Book Description

Metal-organic frameworks represent a new class of materials that may solve the hydrogen storage problem associated with hydrogen-fueled vehicles. In this first definitive guide to metal-organic framework chemistry, author L. MacGillivray addresses state-of-art developments in this promising technology for alternative fuels. Providing professors, graduate and undergraduate students, structural chemists, physical chemists, and chemical engineers with a historical perspective, as well as the most up-to-date developments by leading experts, Metal-Organic Frameworks examines structure, symmetry, supramolecular chemistry, surface engineering, metal-organometallic frameworks, properties, and reactions.




Porous Carbons


Book Description

Carbon materials form pores ranging in size and morphology, from micropores of less than 1nm, to macropores of more than 50nm, and from channel-like spaces with homogenous diameters in carbon nanotubes, to round spaces in various fullerene cages, including irregularly-shaped pores in polycrystalline carbon materials. The large quantity and rapid rate of absorption of various molecules made possible by these attributes of carbon materials are now used in the storage of foreign atoms and ions for energy storage, conversion and adsorption, and for environmental remediation. Porous Carbons: Syntheses and Applications focuses on the fabrication and application of porous carbons. It considers fabrication at three scales: micropores, mesopores, and macropores. Carbon foams, sponges, and 3D-structured carbons are detailed. The title presents applications in four key areas: energy storage, energy conversion, energy adsorption, including batteries, supercapacitors, and fuel cells and environmental remediation, emphasizing the importance of pore structures at the three scales, and the diffusion and storage of various ions and molecules. The book presents a short history of each technique and material, and assesses advantages and disadvantages. This focused book provides researchers with a comprehensive understanding of both pioneering and current synthesis techniques for porous carbons, and their modern applications. - Presents modern porous carbon synthesis techniques and modern applications of porous carbons - Presents current research on porous carbons in energy storage, conversion and adsorption, and in environmental remediation - Provides a history and assessment of both pioneering and current cutting-edge synthesis techniques and materials - Covers a significant range of precursor materials, preparation techniques, and characteristics - Considers the future development of porous carbons and their various potential applications




Physics and Chemistry of Ice


Book Description

Physics and Chemistry of Ice is an authoritative summary of state-of the-art research contributions from the world's leading scientists. A key selection of submissions from to the 11th International Conference on the Physics and Chemistry of Ice, 2006 are presented here with a foreword by Werner F. Kuhs. An invaluable resource, this book provides researchers and professionals with up-to-date coverage on a wide range of areas in ice science including: " Spectroscopic and diffraction studies " Molecular dynamics simulations " Studies of ice mechanics " Quantum mechanical ab initio calculations " Ice and hydrate crystal growth and inhibition studies " Bulk and surface properties of ice and gas hydrates " Snow physics and chemistry This insight into topical aspects of ice research is a key point of reference for physicists, chemists, galciologists, cryo-biologists and professionals working in the fields of ice and hydrogen bonding. The Editor Werner F. Kuhs is a Professor of Crystallography at the University of G÷ttingen, Germany and has a career spanning 25 years of research in the field of water ices and gas hydrates using diffraction methods, neutron and Raman spectroscopy, scanning electron microscopy, atomic force and molecular dynamics simulations. He was the Chair of the 11th International Conference on the Physics and Chemistry of Ice.




Crystal Structure Analysis


Book Description

By choosing an approach that avoids undue emphasis on the mathematics involved, this book gives practical advice on topics such as growing crystals, solving and refining structures, and understanding and using the results.




Monitored Natural Attenuation of Inorganic Contaminants in Ground Water


Book Description

V.3 ... consists of individual chapters that describe 1) the conceptual background for radionuclides, including tritium, radon, strontium, technetium, uranium, iodine, radium, thorium, cesium, plutonium-americium and 2) data requirements to be met during site characterization.