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Author : SRI International
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (811 download)
Download or read book Research and Development to Overcome Fouling of Membranes written by SRI International and published by . This book was released on 1992 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 57 pages
Book Rating : 4.:/5 (684 download)
Download or read book Research and Development to Overcome Fouling of Membranes. Final Report written by and published by . This book was released on 1998 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt: To overcome fouling of membranes, SRI International is developing a unique piezoelectric backing for ultrafiltration membranes. This backing is capable of producing local turbulence next to the membrane to minimize concentration polarization and the rate of buildup of solutes and particulate matter on the membrane surface. We have studied piezoelectrically assisted ultrafiltration in more detail, with the objective to apply this process to industrial ultrafiltrations. We conducted several ultrafiltration experiments on flat sheet membranes with model dextran solutions and with electrocoat paint to study flux enhancement as a function of parameters such as feed flow rate, feed pressure, as well as the piezodriver-membrane system.
Author :
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (727 download)
Download or read book Research and Development to Overcome Fouling of Membranes. First Annual Report, October 1, 1989--October 31, 1990 written by and published by . This book was released on 1992 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: During this first year of the program, we have successfully accomplished the main objective of demonstrating the feasibility of using piezoelectrically assisted ultrafiltration to reduce membrane fouling and enhance the flux through ultrafiltration membranes. A preliminary economic evaluation, accounting for the power consumption of the piezoelectric driver and the extent of permeate flow rate enhancement, has also shown that piezoelectrically assisted ultrafiltration is cost effective and economically competitive with traditional separation processes. Piezoelectric transducers, such as a piezoelectric lead zirconate titanate (PZT) disc or a piezoelectric horn, driven by moderate power, significantly enhance the permeate flux on fouled membranes, presumably because they promote local turbulence. Several experiments were conducted on polysulfone and regenerated cellulose UF membranes fouled during filtration of model feed solutions. Solutions of poly(ethylene glycol) and of high-molecular weight dextran were used as models. We found that we could significantly increase the permeate flux by periodically driving the piezoelectric transducer, horn, or PZT disc, by application of moderate power over short periods of time, from 20 to 90 seconds. Enhancements as high as a factor of 8 were recorded with a few seconds, and enhanced permeate fluxes were maintained over a prolonged period (up to 3 hours). The prolonged flux enhancement makes it feasible to drive the piezoelectric transducer intermittently, thereby reducing the power consumption of the piezoelectric driver.
Author :
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (727 download)
Download or read book Research and Development to Overcome Fouling of Membranes written by and published by . This book was released on 1992 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: During this first year of the program, we have successfully accomplished the main objective of demonstrating the feasibility of using piezoelectrically assisted ultrafiltration to reduce membrane fouling and enhance the flux through ultrafiltration membranes. A preliminary economic evaluation, accounting for the power consumption of the piezoelectric driver and the extent of permeate flow rate enhancement, has also shown that piezoelectrically assisted ultrafiltration is cost effective and economically competitive with traditional separation processes. Piezoelectric transducers, such as a piezoelectric lead zirconate titanate (PZT) disc or a piezoelectric horn, driven by moderate power, significantly enhance the permeate flux on fouled membranes, presumably because they promote local turbulence. Several experiments were conducted on polysulfone and regenerated cellulose UF membranes fouled during filtration of model feed solutions. Solutions of poly(ethylene glycol) and of high-molecular weight dextran were used as models. We found that we could significantly increase the permeate flux by periodically driving the piezoelectric transducer, horn, or PZT disc, by application of moderate power over short periods of time, from 20 to 90 seconds. Enhancements as high as a factor of 8 were recorded with a few seconds, and enhanced permeate fluxes were maintained over a prolonged period (up to 3 hours). The prolonged flux enhancement makes it feasible to drive the piezoelectric transducer intermittently, thereby reducing the power consumption of the piezoelectric driver.
Author :
Publisher :
ISBN 13 :
Total Pages : 508 pages
Book Rating : 4.0/5 ( download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1992-10 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas Stephenson
Publisher : IWA Publishing
ISBN 13 : 1900222078
Total Pages : 194 pages
Book Rating : 4.9/5 (2 download)
Download or read book Membrane Bioreactors for Wastewater Treatment written by Thomas Stephenson and published by IWA Publishing. This book was released on 2000-05-31 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book covers the subject of membrane bioreactors (MBR) for wastewater treatment, dealing with municipal as well as industrial wastewaters. The book details the 3 types of MBR available and discusses the science behind the technology, their design features, operation, applications, advantages, limitations, performance, current research activities and cost. As the demand for wastewater treatment, recycling and re-use technologies increases, it is envisaged that the membrane separation bioreactor will corner the market. Contents Membrane Fundamentals Biological Fundamentals Biomass Separation Membrane Bioreactors Membrane Aeration and Extractive Bioreactors Commercial Membrane Bioreactor Systems Membrane Bioreactor Applications Case Studies
Author : Maulin P Shah
Publisher : Elsevier
ISBN 13 : 032399279X
Total Pages : 464 pages
Book Rating : 4.3/5 (239 download)
Download or read book Development in Wastewater Treatment Research and Processes written by Maulin P Shah and published by Elsevier. This book was released on 2024-01-13 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: Development in Wastewater Treatment Research and Processes: Innovative Trends in Removal of Refractory Pollutants from Pharmaceutical Waste Water sorts out emerging and burning issues faced by the pharmaceutical industry, along with common effluent treatment plans. The book provides a comprehensive view of recent advents of various novel, advanced and hybrid treatment technologies in pharmaceutical wastewater treatment to treat emerging pollutants released by the pharmaceutical industry in their untreated wastewater. In addition, the book gives insights into recent developments with a physico-chemical and microbiological focus on the treatment of emerging contaminants (pollutants) present in pharmaceutical wastewater. Discusses fundamentals of physico-chemical and microbiological wastewater treatment systems, advantages, limitations and promising solutions of different types of emerging contaminants present in pharmaceutical wastewater Presents recent trends and developments in the removal of refractory organics (pollutants/contaminants) from pharmaceutical wastewater for achieving sustainable wastewater treatment Covers applications of various advanced and hybrid treatment technologies for the removal of emerging contaminants from pharmaceutical wastewater treatment plants Includes hybrid treatment technologies, their design and application in the removal of pharmaceutical wastewater contaminants Addresses challenges for the full-scale implementation of bioreactors for pharmaceutical wastewater treatment
Author : Anil K. Pabby
Publisher : CRC Press
ISBN 13 : 1003811574
Total Pages : 601 pages
Book Rating : 4.0/5 (38 download)
Download or read book Handbook of Membrane Separations written by Anil K. Pabby and published by CRC Press. This book was released on 2023-12-22 with total page 601 pages. Available in PDF, EPUB and Kindle. Book excerpt: The third edition of the Handbook of Membrane Separations: Chemical, Pharmaceutical, Food, and Biotechnological Applications provides a comprehensive discussion of membrane applications. Fully updated to include the latest advancements in membrane science and technology, it is a one-of-its-kind overview of the existing literature. This fully illustrated handbook is written by experts and professionals in membrane applications from around the world. Key Features: Includes entirely new chapters on organic solvent-resistant nanofiltration, membrane condensers, membrane-reactors in hydrogen production, membrane materials for haemodialysis, and integrated membrane distillation Covers the full spectrum of membrane technology and its advancements Explores membrane applications in a range of fields, from biotechnological and food processing to industrial waste management and environmental engineering This book will appeal to both newcomers to membrane science as well as engineers and scientists looking to expand their knowledge on upcoming advancements in the field.
Author : Anil Kumar Pabby
Publisher : CRC Press
ISBN 13 : 1466555580
Total Pages : 868 pages
Book Rating : 4.4/5 (665 download)
Download or read book Handbook of Membrane Separations written by Anil Kumar Pabby and published by CRC Press. This book was released on 2015-04-09 with total page 868 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Handbook of Membrane Separations: Chemical, Pharmaceutical, Food, and Biotechnological Applications, Second Edition provides detailed information on membrane separation technologies from an international team of experts. The handbook fills an important gap in the current literature by providing a comprehensive discussion of membrane application
Author : Roya Sheikholeslami
Publisher : Springer
ISBN 13 : 9781402040900
Total Pages : 0 pages
Book Rating : 4.0/5 (49 download)
Download or read book Fouling of Membranes and Thermal Units written by Roya Sheikholeslami and published by Springer. This book was released on 2007-06-15 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This scholarly monograph authored by a leading fouling researcher reflects the immense advances in the basic and applied aspects of fouling that have taken place over the last 40 years. Traditionally, engineers and scientists have been encouraged to develop their expertise in a specific area; hence very limited number may have the experience of dealing with the same principles in completely different systems. As such, indeed a very limited number of people happen to have experience in fouling of differing process equipment such as membranes and heat exchangers. This fact often leads to exhaustive and unnecessary efforts as they attempt to reinvent the wheel. It is therefore more constructive for design, mitigation and control to assess fouling in terms of its own principles and irrespective of the process unit in which it occurs. This book aims to combine and consolidate the principles upon which the fouling phenomenon is based instead of the processes in which it occurs and to highlight the similarities and differences that may exist in fouling of different types of process equipment including both membrane and thermal units and from both the fundamental and practical aspects. This monumental effort has been admirably tackled by the author. This book will no doubt help individuals to better understand, address, and mitigate the fouling problem and to accelerate future progress in fouling research and development efforts.
Author : Francis De Körösy
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.:/5 (636 download)
Download or read book Membrane Fouling and Studies on New Electrodialysis Membranes written by Francis De Körösy and published by . This book was released on 1970 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Klaus-Viktor Peinemann
Publisher : John Wiley & Sons
ISBN 13 : 9783527631414
Total Pages : 251 pages
Book Rating : 4.6/5 (314 download)
Download or read book Membranes for Water Treatment written by Klaus-Viktor Peinemann and published by John Wiley & Sons. This book was released on 2010-11-29 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: This ready reference on Membrane Technologies for Water Treatment, is an invaluable source detailing sustainable, emerging processes, to provide clean, energy saving and cost effective alternatives to conventional processes. The editors are internationally renowned leaders in the field, who have put together a first-class team of authors from academia and industry to present a highly approach to the subject. The book is an instrumental tool for Process Engineers, Chemical Engineers, Process Control Technicians, Water Chemists, Environmental Chemists, Materials Scientists and Patent Lawyers.
Author : Angelo Basile
Publisher : Elsevier
ISBN 13 : 1782421262
Total Pages : 667 pages
Book Rating : 4.7/5 (824 download)
Download or read book Advances in Membrane Technologies for Water Treatment written by Angelo Basile and published by Elsevier. This book was released on 2015-02-28 with total page 667 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Membrane Technologies for Water Treatment: Materials, Processes and Applications provides a detailed overview of advanced water treatment methods involving membranes, which are increasingly seen as effective replacements for a range of conventional water treatment methods. The text begins with reviews of novel membrane materials and advances in membrane operations, then examines the processes involved with improving membrane performance. Final chapters cover the application of membrane technologies for use in water treatment, with detailed discussions on municipal wastewater and reuse in the textile and paper industries. Provides a detailed overview of advanced water treatment methods involving membranes Coverage includes advancements in membrane materials, improvement in membrane performance, and their applications in water treatment Discusses the use of membrane technologies in the production of drinking water, desalination, wastewater treatment, and recovery
Author : A. K. Haghi
Publisher : CRC Press
ISBN 13 : 1351659839
Total Pages : 289 pages
Book Rating : 4.3/5 (516 download)
Download or read book Methodologies and Applications for Analytical and Physical Chemistry written by A. K. Haghi and published by CRC Press. This book was released on 2018-07-17 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents an up-to-date review of modern materials and concepts, issues, and recent advances in analytical and physical chemistry. Distinguished scientists and engineers from key institutions worldwide have contributed chapters that provide a deep analysis of their particular subjects. The chapters discuss the composition and properties of complex materials as well as mixtures, processes, and the need for new and improved analytical technology.
Author : Parimal Pal Chaudhuri
Publisher : Butterworth-Heinemann
ISBN 13 : 012801377X
Total Pages : 329 pages
Book Rating : 4.1/5 (28 download)
Download or read book Groundwater Arsenic Remediation written by Parimal Pal Chaudhuri and published by Butterworth-Heinemann. This book was released on 2015-05-15 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: Arsenic abatement from groundwater in locations with a central water distribution system is relatively simple. The real challenge is selecting the most effective and affordable treatment and scale up option for locations which lack the appropriate infrastructure. Groundwater Arsenic Remediation: Treatment Technology and Scale UP provides the latest breakthrough groundwater treatment technologies and modeling and simulation methods for project scale up and eventually field deployment in locations which lack the proper central water distribution system to ensure arsenic free groundwater. Covers the different removal methods, such as chemical, adsorption, separation by membranes, and membrane distillation Includes the state-of-the-art modeling & simulation methods for optimization and field deployment Provides economic and comparative analysis of each arsenic treatment technology
Author : Rajindar Singh
Publisher : Elsevier
ISBN 13 : 0444633162
Total Pages : 492 pages
Book Rating : 4.4/5 (446 download)
Download or read book Emerging Membrane Technology for Sustainable Water Treatment written by Rajindar Singh and published by Elsevier. This book was released on 2016-03-10 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emerging Membrane Technology for Sustainable Water Treatment provides the latest information on the impending crisis posed by water stress and poor sanitation, a timely issue that is one of the greatest human challenges of the 21st century. The book also discusses the use of membrane technology, a serious contender that can be used to confront the crisis on a global scale, along with its specific uses as a solution to this escalating problem. Provides a unique source on membrane technology and its application for water treatment Focuses on technologies designed for the treatment of seawater and brackish water Highlights the most economically and environmentally friendly membrane technologies Lists various technologies and emphasizes their link to renewable energy, energy efficiency, nanotechnology, reuse, and recycle
Author : Robert W. Field
Publisher : CRC Press
ISBN 13 : 1420083643
Total Pages : 391 pages
Book Rating : 4.4/5 (2 download)
Download or read book Engineering Aspects of Membrane Separation and Application in Food Processing written by Robert W. Field and published by CRC Press. This book was released on 2017-06-26 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: Engineering Aspects of Membrane Separation and Application in Food Processing presents an overview and introduction to a wide range of membrane processes, their unique characteristics and challenges. In the food industry, as in many industries, membranes have an environmental advantage over conventional processes that they displace, because they are less energy intensive. The processing at near-ambient conditions also retains flavors and nutritional value. These advantages, together with significant reductions in the cost of membrane modules, augers well for their future not only in the dairy industry but in other parts of the food industry, such as alcohol processing, animal product processing, and fruit and vegetable processing. Chapters address a wide range of membranes separations in the food and beverage industries, and applications are provided that will be of value not only to food engineers but also to process engineers working in other areas. The processing of food is now a highly interdisciplinary science, and anyone concerned with food processing will benefit from reading this book and understanding what membrane processes of the twenty-first century have to offer.
