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The declared objective of this book is to provide an introductory review of the various theoretical and practical aspects of adsorption by powders and porous solids with particular reference to materials of technological importance. The primary aim is to meet the needs of students and non-specialists who are new to surface science or who wish to use the advanced techniques now available for the determination of surface area, pore size and surface characterization. In addition, a critical account is given of recent work on the adsorptive properties of activated carbons, oxides, clays and zeolit

Adsorption. --- Powders. --- Porous materials. --- Porous media --- Powder --- Sorption --- Materials --- Porosity --- Bulk solids --- Crystals --- Separation (Technology) --- Surface chemistry --- Análisis Térmico y Caracterización de Superficies (71101105) --- Bibliografía recomendada

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This book provides a comprehensive and concise description of most important aspects of experimental and theoretical investigations of porous materials and powders, with the use and application of these materials in different fields of science, technology, national economy and environment. It allows the reader to understand the basic regularities of heat and mass transfer and adsorption occurring in qualitatively different porous materials and products, and allows the reader to optimize the functional properties of porous and powdered products and materials. Written in an straightforward and transparent manner, this book is accessible to both experts and those without specialist knowledge, and it is further elucidated by drawings, schemes and photographs. Porous materials and powders with different pore sizes are used in many areas of industry, geology, agriculture and science. These areas include (i) a variety of devices and supplies; (ii) thermal insulation and building materials; (iii) oil-bearing geological, gas-bearing and water-bearing rocks; and (iv) biological objects. Structural Properties of Porous Materials and Powders Used in Different Fields of Science and Technology is intended for a wide-ranging audience specializing in different fields of science and engineering including engineers, geologists, geophysicists, oil and gas producers, agronomists, physiologists, pharmacists, researchers, teachers and students.

Porous materials. --- Porous materials --- Powders. --- Mechanical properties. --- Powder --- Bulk solids --- Crystals --- Porous media --- Materials --- Porosity --- Manufactures. --- Surfaces (Physics). --- Manufacturing, Machines, Tools, Processes. --- Characterization and Evaluation of Materials. --- Soft and Granular Matter, Complex Fluids and Microfluidics. --- Physics --- Surface chemistry --- Surfaces (Technology) --- Manufactured goods --- Manufactured products --- Products --- Products, Manufactured --- Commercial products --- Manufacturing industries --- Materials science. --- Amorphous substances. --- Complex fluids. --- Complex liquids --- Fluids, Complex --- Amorphous substances --- Liquids --- Soft condensed matter --- Material science --- Physical sciences

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Thermodynamically constrained averaging theory provides a consistent method for upscaling conservation and thermodynamic equations for application in the study of porous medium systems.  The method provides dynamic equations for phases, interfaces, and common curves that are closely based on insights from the entropy inequality. All larger scale variables in the equations are explicitly defined in terms of their microscale precursors, facilitating the determination of important parameters and macroscale state equations based on microscale experimental and computational analysis. The method requires that all assumptions that lead to a particular equation form be explicitly indicated, a restriction which is useful in ascertaining the range of applicability of a model as well as potential sources of error and opportunities to improve the analysis.

Averaging method (Differential equations). --- Differential equations, Linear. --- Porous. --- Porous materials --- Thermodynamics --- Chemical & Materials Engineering --- Engineering & Applied Sciences --- Materials Science --- Mathematical models --- Mathematics --- Porous materials. --- Porous media --- Earth sciences. --- Geology --- Mineralogy. --- Geophysics. --- Thermodynamics. --- Earth Sciences. --- Geophysics/Geodesy. --- Quantitative Geology. --- Statistical methods. --- Materials --- Porosity --- Physical geography. --- GeologyxMathematics. --- Chemistry, Physical and theoretical --- Dynamics --- Mechanics --- Physics --- Heat --- Heat-engines --- Quantum theory --- Physical geology --- Crystallography --- Minerals --- Geography --- Geology—Statistical methods. --- Geological physics --- Terrestrial physics --- Earth sciences

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This monograph presents, for the first time, a unified and comprehensive introduction to some of the basic transport properties of porous media, such as electrical and hydraulic conductivity, air permeability and diffusion. The approach is based on critical path analysis and the scaling of transport properties, which are individually described as functions of saturation. At the same time, the book supplies a tutorial on percolation theory for hydrologists, providing them with the tools for solving actual problems. In turn, a separate chapter serves to introduce physicists to some of the language and complications of groundwater hydrology necessary for successful modeling. The end-of-chapter problems often indicate open questions, which young researchers entering the field can readily start working on. This significantly revised and expanded third edition includes in particular two new chapters: one on advanced fractal-based models, and one devoted to the discussion of various open issues such as the role of diffusion vs. advection, preferential flow vs. critical path, universal vs. non-universal exponents for conduction, and last but not least, the overall influence of the experimental apparatus in data collection and theory validation. "The book is suitable for advanced graduate courses, with selected problems and questions appearing at the end of each chapter. [...] I think the book is an important work that will guide soil scientists, hydrologists, and physicists to gain a better qualitative and quantitative understanding of multitransport properties of soils." (Marcel G. Schaap, Soil Science Society of America Journal, May-June, 2006).

Geography. --- Hydraulic engineering. --- Earth Sciences. --- Hydrogeology. --- Statistical Physics, Dynamical Systems and Complexity. --- Geoengineering, Foundations, Hydraulics. --- Numerical and Computational Physics. --- Porous materials --- Percolation (Statistical physics) --- Critical path analysis --- Geography --- Earth & Environmental Sciences --- Physical Geography --- Transport properties --- CPM (Network analysis) --- Critical path method --- Path analysis, Critical --- Porous media --- Engineering, Hydraulic --- Earth sciences. --- Physics. --- Statistical physics. --- Dynamical systems. --- Engineering geology. --- Engineering --- Foundations. --- Hydraulics. --- Geology. --- Critical path analysis. --- Transport properties. --- Lattice theory --- Statistical physics --- Materials --- Porosity --- Network analysis (Planning) --- Complex Systems. --- Numerical and Computational Physics, Simulation. --- Statistical Physics and Dynamical Systems. --- Physics --- Mathematical statistics --- Fluid mechanics --- Hydraulics --- Shore protection --- Statistical methods --- Engineering—Geology. --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Flow of water --- Water --- Hydraulic engineering --- Jets --- Architecture --- Building --- Structural engineering --- Underground construction --- Caissons --- Earthwork --- Masonry --- Soil consolidation --- Soil mechanics --- Walls --- Civil engineering --- Geology, Economic --- Dynamical systems --- Kinetics --- Mathematics --- Mechanics, Analytic --- Force and energy --- Mechanics --- Statics --- Geohydrology --- Geology --- Hydrology --- Groundwater --- Flow --- Distribution --- Details