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Micellar Enhanced Ultrafiltration: Fundamentals & Applications: Iit Kharagpur Research Monograph

Autor Sirshendu De, Sourav Mondal
en Limba Engleză Hardback – iun 2012
A response to increasingly stringent regulation of pollution and toxicity levels in industrial waste discharge, Micellar Enhanced Ultrafiltration: Fundamentals & Applications offers the most complete book available on the benefits and use of micellar-enhanced ultrafiltration (MEUF) to achieve continuous removal of organic and inorganic pollutants. An Unparalleled Book That Addresses Both Academic and Industrial Points of View Several membrane-based techniques, such as microfiltration, ultrafiltration, nanofiltration, and reverse osmosis, are currently used in a wide range of applications throughout the textile, pulp and paper, sugar, chemical, pharmaceutical, biomedical, biotechnological, and food industries. However, although reverse osmosis is an effective means of removing contaminants, this book explains why MEUF is a better substitute, as it less expensive, less energy-intensive, and more efficient and practical for a wider range of applications.Topics covered include: Effects of pollution in water and its consequences Various treatment processes and membrane technologies Fundamentals of ultrafiltration Outline of various membrane modules and modeling approaches Principles of colloid chemistry Theories of micelle formation Stability and dynamics of micelles Phenomena of counterion binding Solubilization of organic pollutants Selection criteria for surfactants Various flux enhancement techniques Recovery of precious metals This book conveys how, with proper selection of surfactant and membrane, MEUF can be used to efficiently remove almost all metal ions (heavy metals, lanthanides, radioactive materials, etc.) with reasonably high efficiency and throughput. It also details the MEUF process for removal of inorganic (cations, anions, and their mixture) and organic pollutants. The authors explain how the economy of the overall process makes recovery and reuse of surfactants essential, and they address various influencing factors on the increase in throughput and the resulting operating problems.Elaborating on technologies involving precipitation and other methods, they also illustrate additional potential applications for MEUF technology.
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Specificații

ISBN-13: 9781439895689
ISBN-10: 1439895686
Pagini: 224
Ilustrații: 80 b/w images
Dimensiuni: 156 x 235 x 18 mm
Greutate: 0 kg
Ediția:New.
Editura: CRC Press
Seria Iit Kharagpur Research Monograph


Cuprins

Pollution and Importance of Micellar-Enhanced Ultrafiltration Sources of Water Pollution Types of Pollutants and Sources Conventional Treatment Processes Membrane-Based Separation Process Micellar-Enhanced Ultrafiltration Fundamentals of Membrane Separation and Ultrafiltration Fundamentals Membrane Modules Operational Problems Modeling of Concentration Polarization Applications of Ultrafiltration Surfactants Types of Surfactants Structure Properties Formation of Micelle Thermodynamics of Micelle Stability Micelle Characteristics Counterion Binding to Micelles Effects on Micelle Formation Selection of Surfactant Ionic Surfactant Nonionic Surfactant Removal of Inorganic Pollutants Single Component System Multicomponent System Removal of Organic Pollutants Removal of Single Component System Removal of Multicomponent System (Exclusively Organic) Organic-Inorganic Mixture Permeate Flux: Influencing Factors Application of External Electric Field Surface Modification Hydrodynamic Modifications Recovery of Surfactants Recovery of Anionic Surfactant Recovery of Cationic Surfactant Other Applications of Micellar-Enhanced Ultrafiltration Recovery of Precious Metal Ions Recovery of Bioactive Compounds Enantioselective Micelles for Separation of Racemic Mixture Preconcentration Applications Appendix: CMC Values of Some Surfactants