Pretreatment Technologies For Membrane Seawater Desalination
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Pretreatment Technologies For Membrane Seawater Desalination
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Author : Nikolay Voutchkov
language : en
Publisher:
Release Date : 2008
Pretreatment Technologies For Membrane Seawater Desalination written by Nikolay Voutchkov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Membranes (Technology). categories.
This work presents critical overview of key processes, technologies and equipment used for seawater pretreatment, and discusses their areas of application, past track record, advantages and disadvantages. The work describes the typical causes and mechanisms of reverse osmosis membrane fouling and presents most recent developments in pretreatment technology and science.
Pretreatment For Reverse Osmosis Desalination
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Author : Nikolay Voutchkov
language : en
Publisher: Elsevier
Release Date : 2017-05-29
Pretreatment For Reverse Osmosis Desalination written by Nikolay Voutchkov and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-29 with Science categories.
Pretreatment for Reverse Osmosis Desalination is a comprehensive reference on all existing and emerging seawater pretreatment technologies used for desalination. The book focuses on reverse osmosis membrane desalination, which at present is the most widely applied technology for the production of fresh drinking water from highly saline water sources (brackish water and seawater). Each chapter contains examples illustrating various pretreatment technologies and their practical implementation. Provides in-depth overview of the key theoretical concepts associated with desalination pre-treatment Gives insight into the latest trends in membrane separation technology Incorporates analytical methods and guidelines for monitoring pretreatment systems
Ultrafiltration Membrane Cleaning Processes
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Author : Guillem Gilabert-Oriol
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2021-06-08
Ultrafiltration Membrane Cleaning Processes written by Guillem Gilabert-Oriol and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-08 with Science categories.
This book covers the ultrafiltration membranes, specifically focusing on the elements that are produced using PVDF technology and out-side-in configuration. It specifically targets ultrafiltration technology as a pretreatment of seawater reverse osmosis desalination process. However, what is described in the book can be leveraged in other ultrafiltration membrane types. It explains how to significantly improve the efficiency of the process.
Seawater Reverse Osmosis Desalination
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Author : Sergio G. Salinas-Rodriguez
language : en
Publisher: IWA Publishing
Release Date : 2021-05-15
Seawater Reverse Osmosis Desalination written by Sergio G. Salinas-Rodriguez and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-05-15 with Science categories.
Desalination as a method to provide clean drinking water has become vital – particularly in a context where drought, water scarcity and rapid quality decrease of water bodies have become an undeniable reality. After more than half a century of membrane-based desalination, fouling and scaling is still a dominant challenge. In membrane technologies, in particular, fouling and scaling are a major issue with respect to design, operation, reliability of the technologies and cost. This textbook covers theory and practice and is intended for designers, operators, consultants, suppliers and students. Principles of ultra- and nanofiltration and reverse osmosis (RO) are discussed, enabling the reader to understand the link between design, operation and fouling and scaling. Fouling (particulate, organic -including algal bloom events, inorganic, and biofouling) and scaling are treated in detail, including parameters to determine fouling and scaling potential of feed waters. Principles of conventional and advanced pre-treatment processes are highlighted and their effect on preventing fouling and scaling. In addition, the process design of RO systems and the recent advances in seawater RO and emerging membrane-based processes for seawater desalination are presented.
Seawater Pretreatment
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Author : Nikolay Voutchkov
language : en
Publisher:
Release Date : 2010
Seawater Pretreatment written by Nikolay Voutchkov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Membranes (Technology). categories.
Reverse Osmosis Seawater Desalination Volume 2
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Author : Heinz Ludwig
language : en
Publisher: Springer Nature
Release Date : 2022-10-29
Reverse Osmosis Seawater Desalination Volume 2 written by Heinz Ludwig and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-29 with Science categories.
Seawater reverse osmosis (SWRO) is the dominant desalination process worldwide for obtaining fresh water from the sea. The subject matter and scope of this book is the conceptual and advanced planning, design and engineering of plants of this desalination process together with the associated facilities for seawater pretreatment, post-treatment of the product water, wastewater treatment, seawater extraction and plant discharge. The book is intended to be used by technicians, engineers, economists and ecologists in the planning, design and operation of SWRO plants, as an educational and training tool, as well as an aid in environmental licensing of membrane desalination plants, and by interested laypersons for information about this process. The two volumes are also available as a set.
Controlling Biofouling In Seawater Reverse Osmosis Membrane Systems
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Author : Nirajan Dhakal
language : en
Publisher: CRC Press
Release Date : 2017-12-01
Controlling Biofouling In Seawater Reverse Osmosis Membrane Systems written by Nirajan Dhakal and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-01 with Science categories.
Seawater desalination is a rapidly growing coastal industry that is increasingly threatened by algal blooms. Depending on the severity of algal blooms, desalination systems may be forced to shut down because of clogging and/or poor feed water quality. To maintain stable operation and provide good feed water quality to seawater reverse osmosis (SWRO) systems, ultrafiltration (UF) pre-treatment is proposed. This research focused on assessing the ability of UF and other pre-treatment technologies to reduce biofouling in SWRO systems. An improved method to measure bacterial regrowth potential (BRP) was developed and applied at laboratory, pilot and full scale to assess the ability of conventional UF (150 kDa) and tight UF (10 kDa) alone and in combination with a phosphate adsorbent to reduce regrowth potential and delay the onset of biofouling in SWRO. The improved bacterial regrowth potential method employs a natural consortium of marine bacteria as inoculum and flow cytometry. The limit of detection of the BRP method was lowered to 43,000 ± 12,000 cells/mL, which is equivalent to 9.3 ± 2.6 μg-Cglucose/L. The reduction in bacterial regrowth potential after tight UF (10 kDa) was 3 to 4 times higher than with conventional UF (150 kDa). It was further reduced after the application of a phosphate adsorbent, independent of pore size of the UF membrane. Pilot studies demonstrated that the application of tight UF (10 kDa) coupled with a phosphate adsorbent consistently lowered the bacterial regrowth potential and no feed channel pressure drop increase was observed in membrane fouling simulators (MFS) over a period of 21 days. The study also showed that non-backwashable fouling of UF membranes varied strongly with the type of algal species and the algal organic matter (AOM) they release. The presence of polysaccharide (stretching -OH) and sugar ester groups (stretching S=O) was the main cause of non-backwashable fouling. In conclusion, this study showed that an improved BRP method is suitable for the assessment of SWRO pre-treatment systems and it can be a useful tool to develop potential strategies to mitigate biofouling and improve the sustainability of SWRO systems.
Reverse Osmosis Seawater Desalination Volume 1
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Author : Heinz Ludwig
language : en
Publisher: Springer Nature
Release Date : 2022-10-29
Reverse Osmosis Seawater Desalination Volume 1 written by Heinz Ludwig and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-29 with Science categories.
Seawater reverse osmosis (SWRO) is the dominant desalination process worldwide for obtaining fresh water from the sea. The subject matter and scope of this book is the conceptual and advanced planning, design and engineering of plants of this desalination process together with the associated facilities for seawater pretreatment, post-treatment of the product water, wastewater treatment, seawater extraction and plant discharge. The book is intended to be used by technicians, engineers, economists and ecologists in the planning, design and operation of SWRO plants, as an educational and training tool, as well as an aid in environmental licensing of membrane desalination plants, and by interested laypersons for information about this process. The two volumes are also available as a set.
Membranes For Water Treatment
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Author : Klaus-Viktor Peinemann
language : en
Publisher: John Wiley & Sons
Release Date : 2010-11-29
Membranes For Water Treatment written by Klaus-Viktor Peinemann and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-29 with Technology & Engineering categories.
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.
Assessing Bacterial Growth Potential In Seawater Reverse Osmosis Pretreatment
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Author : Almotasembellah Abushaban
language : en
Publisher: CRC Press
Release Date : 2020-01-21
Assessing Bacterial Growth Potential In Seawater Reverse Osmosis Pretreatment written by Almotasembellah Abushaban and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-01-21 with Science categories.
Seawater desalination is increasingly being used as a means to augment freshwater supplies in regions with high water stress, and reverse osmosis is increasingly the technology of choice because of the low energy consumption. However, seawater reverse osmosis (SWRO) systems suffer from various types of fouling, which can increase energy consumption and the use of chemicals during SWRO operation. In practice, pre-treatment systems are put in place to reduce the particulate and biological fouling potential of SWRO feed water. However, simple, reliable and accurate methods to assess the extent to which biological fouling potential is reduced during pre-treatment are not available for seawater. This research developed a new method to measure bacterial growth potential (BGP) using the native bacterial consortium in seawater. New reagents to extract and detect ATP in microbial cells were specifically developed for seawater. The new lysis and detection reagents overcame the salt interference in seawater and allow low detection of total ATP, free ATP and microbial ATP in seawater. Incorporating a filtration step further increased the sensitivity of the method six fold, enabling ATP detection of ultra-low levels of microbial ATP in seawater. The newly developed ATP-based BGP method was applied to monitor and assess the pre-treatment of five full-scale seawater desalination plants around the world. A good correlation was observed between BGP measured in SWRO feed water and the pressure drop increase in the SWRO systems, suggesting the applicability of using the ATP-based BGP method as a biofouling indicator in SWRO. Furthermore, a safe level of BGP ( In the future, on-line monitoring of BGP in SWRO feed water may further reduce the consumption of chemicals and energy and improve the overall sustainability of seawater desalination by reverse osmosis.