Modified Polysulfone Nanofiltration Membrane Synthesis for Hydraulic Fracturing Water Recycle PDF Download
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Author: Blake Alexander Johnson
Publisher:
ISBN: 9781339317601
Category : Hydraulic fracturing
Languages : en
Pages : 148
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Book Description
To produce these membranes, polysulfone was reacted with trimethylchlorosilane and trimethylamine to produce a positively charged functional groups that would allow for selective rejection of ions. While the two-step reaction to produce these functional polymers was successful, the polymer created did not have the properties required to produce a membrane. The positively charged polysulfone had functional groups that made it soluble in water, and membranes cast from this polymer readily swelled and deformed when exposed to most fluids, including water and air. While some characteristics of these membranes, such as pore diameter, were comparable to commercial membranes, the solubility characteristics made filtration testing impossible. However, while the final positively charged polymer was unusable, the functional precursor polymer was successfully synthesized and can be used with other methods to produce the positively charged polymers.
Author: Blake Alexander Johnson
Publisher:
ISBN: 9781339317601
Category : Hydraulic fracturing
Languages : en
Pages : 148
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Book Description
To produce these membranes, polysulfone was reacted with trimethylchlorosilane and trimethylamine to produce a positively charged functional groups that would allow for selective rejection of ions. While the two-step reaction to produce these functional polymers was successful, the polymer created did not have the properties required to produce a membrane. The positively charged polysulfone had functional groups that made it soluble in water, and membranes cast from this polymer readily swelled and deformed when exposed to most fluids, including water and air. While some characteristics of these membranes, such as pore diameter, were comparable to commercial membranes, the solubility characteristics made filtration testing impossible. However, while the final positively charged polymer was unusable, the functional precursor polymer was successfully synthesized and can be used with other methods to produce the positively charged polymers.
Author: Akil Ahmad
Publisher: Springer Nature
ISBN: 9811953155
Category : Science
Languages : en
Pages : 273
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Book Description
This book covers the basic and sustainable approach of nanofiltration membrane techniques along with their fabrication, characterization, separation mechanisms, and broad applications in the field of wastewater treatment. It provides a wide knowledge of nanofiltration technique to water purification audience concerning the recent development with various illustrations, methods and results for graduate students, scientists, academicians, researchers, and industrialists. Readers from wastewater and water purification will have a quick reference by exploring the research literature on the subject field with commercial value-added research applications of nanofiltration membrane.
Author: Lau Woei Jye
Publisher: CRC Press
ISBN: 1351722271
Category : Science
Languages : en
Pages : 188
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Book Description
Covering fabrication, characterization, and applications nanofiltration (NF) membranes, this book provides a comprehensive overview of the development of NF membrane technology over the past decade. It uniquely covers a variety of fabrication techniques, comparing the procedures of each technique to produce polymeric membranes of different morphologies. The book also discusses advances in the materials used in thin film composite (TFC) polyamide membrane fabrication and their influences on properties with respect to structural and separation characteristics. A comprehensive review on NF characterization methods and techniques is provided, assessing physical and chemical properties and separation characteristics and stability. Technical challenges in fabricating a new generation of NF membranes are also reviewed and the possible approaches to overcome the challenges are provided. The book concludes with relevant case studies on the use of NF membranes in industrial implementation of both aqueous and nonaqueous media. Details the latest progress on the fabrication techniques of asymmetric and composite NF membranes. Discusses characterization methods used in assessing membrane physical/chemical properties, separation characteristics, and performance stability. Describes the potential of advanced materials in improving properties of polyamide selective layer as well as microporous substrate. Reviews the technical challenges in fabricating a new generation of composite membrane—thin film nanocomposite (TFN) membrane—possible approaches to overcome challenges. Offers case studies on the applications of NF membranes for both aqueous and nonaqueous media.
Author: Chandan Das
Publisher: CRC Press
ISBN: 0429998775
Category : Science
Languages : en
Pages : 404
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Book Description
Membranes and membrane separation techniques have grown from a simple laboratory tool to an industrial process with considerable technical and commercial impact. The book deals with both the fundamental concepts of preparation, characterization and modification, practical applications along with recent advancements of electro-spun and phase inverted polymeric membranes. Divided into two parts, part one of this book covers the fundamental concepts and practical applications of novel electro-spun membranes while the latter covers basic concepts and further advancements of the conventional phase inverted membranes extensively. Key Features Covers fundamental concepts and practical applications of electro-spun and phase inverted polymeric membranes Includes general properties, characterization, preparation and modification of polymeric membranes Discusses advanced modification of polymeric membranes (functionalization, grafting) using phase inversion process, and effects of solubility parameter and additives on the phase inversion process Reviews electro-spun membranes for biomedical applications, industrial effluents treatment and removal of water contaminants Explores a separate economic analysis section for the discussed membranes
Author: Tharaka Hawpe Gamage
Publisher:
ISBN:
Category :
Languages : en
Pages : 138
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Book Description
Membrane distillation is an emerging technology for treating hydraulic fracturing flowback and produced waters. Suppression of membrane fouling by inorganic and polar and non-polar organic compounds is a challenge. Here polyhydroxyethyl methacrylate, polyacrylic acid, polvinylallyl imidazolium bromide and polyvinylhexyl imidazolium bromide chains have been grafted from the membrane surface. Fouling is initially due to adsorption of organic compounds followed by scale formation. When challenged with produced water, membranes modified with polvinylallyl imidazolium bromide chains provided the greatest resistance to fouling. For EC pretreated produced water and synthetic produced water that contained mainly inorganic species, the flux decline was much less.
Author: Feyisayo Victoria Adams
Publisher:
ISBN:
Category : Membranes (Technology)
Languages : en
Pages : 342
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Book Description
Author: Andrew Livingston
Publisher: Newnes
ISBN: 9780444537447
Category : Science
Languages : en
Pages : 0
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Book Description
Separation of molecules present in organic solvents by membrane (nano)filtration has great potential in industries ranging from refining to fine chemical and pharmaceutical synthesis and is currently an area of intensive studies. This will be the first concise reference book offering a critical analysis on this topic. Nanofiltration, is a pressure driven membrane process used to remove solutes with molecular weight in the range of 200-1,000 g mol-1 typically from aqueous streams. A recent innovation is the extension of nanofiltration processes to organic solvents an emerging technology referred to as Organic Solvent Nanofiltration (OSN). Separation of molecules present in organic solvents by nanofiltration has great potential in various processes such as petroleum refining, fine chemical and pharmaceutical synthesis, catalyst recycle, enrichment of aromatics etc. This book summarizes the developments in the field of OSN. It describes materials and methods used for the preparation of organic solvent stable membranes. Various techniques for manufacturing of OSN membranes, their physico-chemical and performance related characterization and membrane transport mechanisms will be discussed and critically evaluated. A summary of the commercially available OSN membranes, their separation properties and manufacturers will also be presented. Finally a detailed overview of the OSN applications in various industrial and laboratory scale processes as well as their future prospective will be presented. Complete coverage of the field of organic Solvent Nanofiltration: theory and industrial applications Provides all you want to know in this fast developing application of membranes in industrial filtration and water purification Applications of membranes - summary of the existing applications and proposed new applications; review and critical analysis of the data on currently available OSN membranes. The benefit of this feature to the users is outlined in the comment of one referee: "I use these types of books as an instant reference, resource and fact checker when I am writing or researching topics in membrane technology. I also read the content carefully to keep myself at the state-of-the-art in the technology. R&D is an expensive and time consuming endeavor so anything learned from the literature is valuable when it helps to guide my efforts". Contains a large number of diagrams /figures (60 approx) which offer graphical explanations of the processes and the mechanisms underlying the processess provides practical and easy to understand examples of practical applications. The user can easily adapt these to his/her specific application Worked examples 15 (approx) Guide the reader through the various parameters, and show the reader the effect of these parameters in the overall design of the process Includes multimedia content, videos and active tables and diagrams Enable the user to add his/her own data and conditions and get results relevant to his/her situation. Tables (25 approx) Provides review and critical analysis of the data on currently available OSN membranes Glossary Summary of the main terms used in OSN
Author: Klaus-Viktor Peinemann
Publisher: John Wiley & Sons
ISBN: 9783527631414
Category : Technology & Engineering
Languages : en
Pages : 251
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Book Description
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: Carlos Alberto Martínez-Huitle
Publisher: Butterworth-Heinemann
ISBN: 0128131616
Category : Technology & Engineering
Languages : en
Pages : 574
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Book Description
Electrochemical Water Treatment Methods provides the fundamentals and applications of electrochemical water treatment methods to treat industrial effluents. Sections provide an overview of the technology, its current state of development, and how it is making its way into industry applications. Other sections deal with historical developments and the fundamentals of 18 methods, including coupled methods, such as Electrocoagulation, Peroxi-Coagulation and Electro-Fenton treatments. In addition, users will find discussions that relate to industries such as Pulp and Paper, Pharmaceuticals, Textiles, and Urban/Domestic wastewater, amongst others. Final sections present advantages, disadvantages and ways to combine renewable energy sources and electrochemical methods to design sustainable facilities. Environmental and Chemical Engineers will benefit from the extensive collection of methods and industry focused application cases, but researchers in environmental chemistry will also find interesting examples on how methods can be transitioned from lab environments to practical applications. - Offers an excellent overview of the research advances and current applications of electrochemical technologies for water treatment - Explains, in a comprehensive way, the fundamentals of different electrochemical uses and applications of different technologies - Provides a large number of examples as evidence of practical applications of electrochemistry to environmental protection - Explores the combination possibilities with other treatment technologies or emerging technologies for destroying water pollutants
Author:
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1856
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Book Description
