Download or read book Employing Nanofiltration and Ultra Low pressure Reverse Osmosis for Drinking Water Augmentation Efficiency of Operation and Removal of Emerging Organic Contaminants written by Christopher Lawrence Bellona and published by . This book was released on 2007 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Comparing Nanofiltration and Reverse Osmosis for Treating Recycled Water written by Jorg E. Drewes and published by International Water Assn. This book was released on 2008 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to explore whether n
Download or read book Rejection of Emerging Organic Contaminants by Nanofiltration and Reverse Osmosis Membranes written by Victor Augusto Yangali Quintanilla and published by CRC Press. This book was released on 2010-05-11 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pollution of water sources with emerging contaminants (micropollutants) is a fact known worldwide. Although the risks of micropollutants in sources of water are partly recognized, interpretation of consequences are controversial; thus, the future effects of altered water with micropollutants remains uncertain and may constitute a point of conc
Download or read book Nanofiltration written by Muhammad Akhyar Farrukh and published by BoD – Books on Demand. This book was released on 2018-07-11 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: The nanofiltration technique lies between ultrafiltration and reverse osmosis techniques, and it is considered a low-cost process and is capable of removing pesticides, organic matter, desalination of sea water, oil process and pollutants from industrial wastewater. However, the main challenge in implementation of nanofiltration membrane is its ability towards fouling and low performance at high temperature. The use of nanoparticles in the manufacturing of membranes allows for a high degree of control over membrane fouling. Nanoparticle-based membranes can be developed by assembling engineered nanoparticles into porous membranes or blending them with polymeric or inorganic membranes. This book covers topics from multiple ranges from manufacturing of nanofiltration membranes and their applications in wastewater treatment, drinking water treatment, and removal of pollutants, to addressing the fouling issues.
Download or read book Reverse Osmosis and Nanofiltration M46 written by AWWA Staff and published by American Water Works Association. This book was released on 2011-01-12 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Removal of Inorganic Contaminants Using Nanofiltration and Reverse Osmosis written by Laura Ann Richards and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Improved methods of providing safe drinking water are essential in an era in which demand for water is increasing but surface water supplies remain scarce. Desalination of brackish groundwater via membrane filtration with nanofiltration and reverse osmosis (NF/RO) offers a solution to this problem. As such, the overall motivation of this study was to improve mechanistic understanding of NF/RO. The first main aim was to evaluate the performance of a renewable energy membrane system previously tested with real groundwater and varying energy conditions. Given sufficient solar availability, the system reliably removed salts and inorganic contaminants, although solute retention varied with energy (and consequently pressure and flow) and pH, depending on dominant retention mechanisms. The second main aim was to assess the specific impact of pH on inorganic contaminant removal in a bench-scale filtration system. The speciation of boron, fluoride and nitrate was linked with ion retention as a function of pH, with results suggesting that there may be important mechanisms such as ion dehydration controlling transport in NF/RO, which would explain the high retention of fluoride when compared to nitrate. The third main aim was to determine the importance of ion hydration in determining transport using molecular dynamics simulations of monovalent anions transporting through an idealized pore. Simulations demonstrated that energy barriers of transport were strongly dependent on ion properties and pore size and were directly attributable to dehydration. The final aim was to experimentally verify molecular dynamics simulations by quantifying energy barriers for ion transport in NF membranes. Experimentally-determined energy barriers were also solute and membrane-specific, with fluoride having a higher barrier than other solutes. Comparison of results with expected dehydration trends and molecular dynamics corroborated that energy barriers in nanofiltration may be due to dehydration. The results obtained in this thesis provide new insight into NF/RO transport mechanisms, which may contribute to improvements in current technologies and predictive models.
Download or read book Reverse Osmosis and Nanofiltration written by Robert Bergman and published by AWWA Manuals. This book was released on 2007 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Updated coverage is given of selection, installation, operation, and maintenance of reverse osmosis (RO) and nanofiltration systems (NF) in water treatment. Chapter topics encompass theory and applications, design, equipment, installation, operations, and maintenance. Includes tables, figures, appendixes, references, and glossary, with full-color throughout.
Download or read book Trace Organic Removal by Nanofiltration and Reverse Osmosis Processes written by Long Nghiem and published by LAP Lambert Academic Publishing. This book was released on 2010-06 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph delineates the retention mechanisms of emerging trace organic contaminants by several nanofiltration (NF) and reverse osmosis membranes. Retention of neutral trace organics by a tight NF or RO membrane is dominated by steric (size) exclusion, whereas both electrostatic repulsion and steric exclusion govern the retention of negatively charged trace organics by a loose NF membrane. Speciation of trace organics may lead to a dramatic change in retention as a function of pH, with much greater retention observed for ionized, negatively charged trace organics. Retention of the negatively charged trace organics decreases as the solution's ionic strength increases due to charge shielding and double layer compression. For uncharged trace organic species, intrinsic physicochemical properties of the trace organic molecules can substantially affect their retention. This monograph also critically demonstrates the possible complexity of a real membrane filtration system where trace organic contaminants are of concern. Factors such as operating conditions and feed solution composition can influence the filtration of trace organics.
Download or read book Removal of Emerging Trace Organic Contaminants by Nanofiltration and Reverse Osmosis written by Long Duc Nghiem and published by . This book was released on 2005 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nanofiltration for Sustainability written by Abdul Mohammad and published by CRC Press. This book was released on 2023-09-30 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a novel exploration of the application of nanofiltration membrane technology for sustainability in various industries, situated in view of recent breakthroughs and the use of reuse, recycle and resource recovery approaches. Moving from a comprehensive discussion of nanofiltration membrane processes to case studies and real-world applications of nanofiltration technology across society, both successes and potential limitations are considered. Features: Detailed discussion of the fundamentals of nanofiltration technology The concepts of reuse, recycle and resource recovery using nanofiltration technology are explored in combination with other technologies to advance circular economy Considered across a range of industries, such as textiles, oil, gas, agriculture and pharmaceutics Written in a thoroughly detailed manner, this book is an essential guide for industry professionals interested in sustainability and working toward a circular economy. Comprehensive discussions of the fundamental processes underpinning nanofiltration technology also make this book particularly appealing to students of industrial chemistry.
Download or read book Nanofiltration 2 Volume Set written by Andrea Iris Schäfer and published by John Wiley & Sons. This book was released on 2021-08-09 with total page 1267 pages. Available in PDF, EPUB and Kindle. Book excerpt: An updated guide to the growing field of nanofiltration including fundamental principles, important industrial applications as well as novel materials With contributions from an international panel of experts, the revised second edition of Nanofiltration contains a comprehensive overview of this growing field. The book covers the basic principles of nanofiltration including the design and characterizations of nanofiltration membranes. The expert contributors highlight the broad ranges of industrial applications including water treatment, food, pulp and paper, and textiles. The book explores photocatalytic nanofiltration reactors, organic solvent nanofiltration, as well as nanofiltration in metal and acid recovery. In addition, information on the most recent developments in the field are examined including nanofiltration retentate treatment and renewable energy-powered nanofiltration. The authors also consider the future of nanofiltration materials such as carbon- as well as polymer-based materials. This important book: Explores the fast growing field of the membrane process of nanofiltration Examines the rapidly expanding industrial sector's use of membranes for water purification Covers the most important industrial applications with a strong focus on water treatment Contains a section on new membrane materials, including carbon-based and polymer-based materials, as well as information on artificial ion and water channels as biomimetic membranes Written for scientists and engineers in the fields of chemistry, environment, food and materials, the second edition of Nanofiltration provides a comprehensive overview of the field, outlines the principles of the technology, explores the industrial applications, and discusses new materials.
Download or read book Water Reuse written by National Research Council and published by National Academies Press. This book was released on 2012-07-17 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expanding water reuse-the use of treated wastewater for beneficial purposes including irrigation, industrial uses, and drinking water augmentation-could significantly increase the nation's total available water resources. Water Reuse presents a portfolio of treatment options available to mitigate water quality issues in reclaimed water along with new analysis suggesting that the risk of exposure to certain microbial and chemical contaminants from drinking reclaimed water does not appear to be any higher than the risk experienced in at least some current drinking water treatment systems, and may be orders of magnitude lower. This report recommends adjustments to the federal regulatory framework that could enhance public health protection for both planned and unplanned (or de facto) reuse and increase public confidence in water reuse.
Download or read book Nanofiltration written by Muhammad Akhyar Farrukh and published by . This book was released on 2018 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: The nanofiltration technique lies between ultrafiltration and reverse osmosis techniques, and it is considered a low-cost process and is capable of removing pesticides, organic matter, desalination of sea water, oil process and pollutants from industrial wastewater. However, the main challenge in implementation of nanofiltration membrane is its ability towards fouling and low performance at high temperature. The use of nanoparticles in the manufacturing of membranes allows for a high degree of control over membrane fouling. Nanoparticle-based membranes can be developed by assembling engineered nanoparticles into porous membranes or blending them with polymeric or inorganic membranes. This book covers topics from multiple ranges from manufacturing of nanofiltration membranes and their applications in wastewater treatment, drinking water treatment, and removal of pollutants, to addressing the fouling issues.
Download or read book Wastewater Treatment by Reverse Osmosis Process written by Mudhar Al-Obaidi and published by CRC Press. This book was released on 2020-02-25 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wastewater Treatment by Reverse Osmosis Process provides a one-stop-shop for reverse osmosis (RO), outlining its scope and limitations for the removal of organic compounds from wastewater. This book covers the state-of-the-art on RO processes and describes ten RO process models of different features and complexities. It also covers the advanced model-based techniques for RO process operations, including various rigorous methods for process modelling, simulation, and optimization at the lowest energy cost, as well as advanced tools such as genetic algorithms for achieving the same. • Highlights different types of physico–chemical and biological wastewater treatment methods including hybrid systems • Provides an overview of membrane processes, focuses on different types of membrane processes for water treatment and explains characteristics of membrane modules • Introduces the importance and challenges of process modelling for simulation, design, and optimization and offers examples across various industries •Describes the concept of different types of genetic algorithms for process optimisation and provides the state-of-the art of the GA method in terms of its application in water desalination and wastewater treatment •Emphasizes economic aspects of RO processes for wastewater treatment With its focus on the challenges posed by an increasing demand for fresh water and the urgent need to recycle wastewater at minimum cost, this work is an invaluable resource for engineers and scientists working within the field of wastewater treatment.
Download or read book Reverse Osmosis Treatment of Drinking Water written by Talbert N. Eisenberg and published by Elsevier. This book was released on 2013-10-22 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reverse Osmosis Treatment of Drinking Water discusses the use of reverse osmosis in the treatment of drinking water, as well as the applications of reverse osmosis on industrial and municipal wastewater. The book covers topics such as the general principles of reverse osmosis; the removal of inorganic wastes, organic wastes, and microorganisms by reverse osmosis; the membranes of the reverse osmosis system, and its cleaning and maintenance. The book also includes topics such as the pretreatment for reverse osmosis installations; the approval criteria of regulatory agencies for reverse osmosis installations; and future possible developments in the use of reverse osmosis treatment. The text is recommended for those in water treatments who would like to know more about the processes involved in reverse osmosis treatment.
Download or read book Reverse Osmosis and Nanofiltration written by American Water Works Association and published by Amer Water Works Assn. This book was released on 1998 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explains the processes of membrane technologies applications, used in the treatment of water sources and by medical professionals for kidney dialysis, and is a helpful research tool for engineers, scientists, administrators, and educators seeking an introduction to these processes. Covers history and theory, design and equipment, regulations, and more.
Download or read book Comparing Nanofiltration and Reverse Osmosis for Treating Recycled Water written by and published by American Water Works Association. This book was released on 2008-01-01 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt:
