Polymeric Membrane Formation By Phase Inversion
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Polymeric Membrane Formation By Phase Inversion
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Author : Naser Tavajohi
language : en
Publisher: Elsevier
Release Date : 2024-03-19
Polymeric Membrane Formation By Phase Inversion written by Naser Tavajohi and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-03-19 with Science categories.
Polymeric Membrane Formation by Phase Inversion brings together for the first time analysis of all the four main phase inversion techniques. Effective parameters in each technique are covered together with the methodologies needed to prepare advanced membranes for specific separations in both liquid and gas phases. Roll-to-roll casting, spinning hollow fiber, and electrospinning nanofibers are presented, along with an analysis of the impact of solvent toxicity, membrane production, and the source of raw materials on the environment. Describing a road map for designing different morphological characteristics to prepare specific membranes for special applications, the merits and disadvantages of each method are thoroughly explored and outlined along with the sustainability, scalability and economic perspectives of membrane formation. Providing easy reference for academic and industry professionals working in membrane engineering this is an essential resource. Analyzes membrane formation by phase inversion and modeling Includes state-of-the-art membrane formation methods and related characterization techniques Discusses solvent toxicity and sustainability issues of membrane production
Membrane Formation By Phase Inversion In Multicomponent Polymer Systems
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Author : Willem Franciscus Catherina Kools
language : en
Publisher:
Release Date : 1998
Membrane Formation By Phase Inversion In Multicomponent Polymer Systems written by Willem Franciscus Catherina Kools and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Polymeric Membrane Synthesis Modification And Applications
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Author : Chandan Das
language : en
Publisher: CRC Press
Release Date : 2018-10-12
Polymeric Membrane Synthesis Modification And Applications written by Chandan Das and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-12 with Science categories.
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
Phase Field Modeling Of The Polymer Membrane Formation Process For Micro And Ultra Filtration
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Author : Michael Rosario Cervellere
language : en
Publisher:
Release Date : 2021
Phase Field Modeling Of The Polymer Membrane Formation Process For Micro And Ultra Filtration written by Michael Rosario Cervellere and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
Porous polymer membrane filters are widely used in separation and filtration process. Micro- and ultra-filtration membranes are commonly used in biopharmaceutical applications such as filtering viruses and separating proteins from a carrier solution. The formation of these membrane filters via phase inversion is a complex and interconnected process where varying casting conditions can have a wide variety of effects on the final membrane morphol- ogy. Tailoring membrane filters for specific performance characteristics is a tedious and time consuming process. The time and length scales of membrane formation make it extremely difficult to experimentally observe membrane formation. Modeling the membrane formation process allows one to slow down time and closely observe the formation of complex pore net- works. This allows new understanding and visual representations of the effects of different casting conditions and the resulting pore networks that form. This dissertation presents two separate models for two different membrane formation processes - thermally induced phase separation (TIPS) and non-solvent induced phase sepa- ration (NIPS). The Phase-Field method is employed to model the mesoscopic morphological structures that emerge during membrane formation. The Cahn-Hilliard equation is used to capture the diffusive nature of membrane formation and the Flory-Huggins free energy of mixing describes the thermodynamic equilibriums of the polymer solutions. Large-scale two- and three-dimensional simulations are used for capturing the resulting pore morphology under various casting conditions. The model for TIPS evaluated different casting conditions for the membrane forming system PVDF/DPC (polyvinylidene fluoride/diphenyl carbonate). The effects of casting surface temperature, thermal conductivity, quench rate, and polymer concentration were in- vestigated. Isotropic thermal quenches were used to analyzed pore size and interconnectivity while varying the quench rate and polymer concentration. Anisotropic thermal quenches in which a constant temperature cooling surface is imposed at the top surface were used to an-alyze the pore size and formation of a dense pore region near the casting surface. Different polymer concentrations, casting surface temperatures, and polymer thermal conductivities were used to characterize their effects on pore morphology. The formation of a dense pore region occurs near the top surface and the thickness of this dense pore region is dependent on the previous mentioned casting conditions. The model for NIPS evaluated the effects of coagulation bath composition and polymer concentration on final membrane morphology for PES/NMP/Water (polyethersulfone/n- methyl-2-pyrrolidone/water). These simulations were then compared to handcast mem- branes of a similar membrane forming system for comparison the simulated structures. The NIPS model evaluated coagulation bath composition and polymer concentration and the resulting morphologies. Two and three dimensional simulations were used to look at cross section and top surface morphology respectively. The concentration of NMP in the co- agulation bath was varied to verify the predictive capabilities of the model. The resulting simulations of cross sections and top surfaces had good agreement with handcast membranes when NMP is added to the coagulation bath.
Synthetic Polymeric Membranes
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Author : Robert E. Kesting
language : en
Publisher: Wiley-Interscience
Release Date : 1985-10-16
Synthetic Polymeric Membranes written by Robert E. Kesting and has been published by Wiley-Interscience this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985-10-16 with Science categories.
The subject of this book is synthetic polymeric membranes, the thin polymer films in either solid or liquid states which act as semipermeable barriers for gaseous, liquid, or solid permeants.
Membrane Formation And Modification
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Author : Ingo Pinnau (ed.)
language : en
Publisher:
Release Date : 2000
Membrane Formation And Modification written by Ingo Pinnau (ed.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Medical categories.
Written for polymer chemists and chemical engineers, this book focuses on advances in the principal industrial approaches to the preparation of membranes, the formation of thin film composite membranes, and asymmetric membranes.
Mathematical Modeling And Experimental Study Of Thermodynamic And Transport Processes In The Formation Of Structured Polymer Membranes
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Author : Gerard Marcelino Tablada Caneba
language : en
Publisher:
Release Date : 1985
Mathematical Modeling And Experimental Study Of Thermodynamic And Transport Processes In The Formation Of Structured Polymer Membranes written by Gerard Marcelino Tablada Caneba and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.
Boundary Condition Effects On Polymeric Membrane Formation
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Author : Diana Joyce Hellman
language : en
Publisher:
Release Date : 2000
Boundary Condition Effects On Polymeric Membrane Formation written by Diana Joyce Hellman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Membranes (Technology) categories.
Polymer Membranes
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Author : T. deV. Naylor
language : en
Publisher: iSmithers Rapra Publishing
Release Date : 1996
Polymer Membranes written by T. deV. Naylor and has been published by iSmithers Rapra Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Technology & Engineering categories.
This report describes the constitution and application of polymeric membranes in separation processes. The separation processes covered are reverse osmosis and nanofiltration, ultrafiltration, gas separation, pervaporation and ion exchange. An additional indexed section containing several hundred abstracts from the Rapra Polymer Library database provides useful references for further reading.
Polymeric Membranes For Water Purification And Gas Separation
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Author : Rasel Das
language : en
Publisher: Materials Research Forum LLC
Release Date : 2021-11-25
Polymeric Membranes For Water Purification And Gas Separation written by Rasel Das and has been published by Materials Research Forum LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-25 with Technology & Engineering categories.
Various organic and synthetic polymers are important materials for the removal of organic and inorganic pollutants from wastewater and the separation of gases. The book discusses various types of membranes for microfiltration, ultrafiltration, nanofiltration, reverse osmosis, forward osmosis etc. A number of nanomaterials are available for the modification of polymeric membranes. Keywords: Polymeric Membrane, Water Purification, Water Softening, Water Desalination, Gas Separation, Osmosis Membranes, Microfiltration, Ultrafiltration, Nanofiltration, Carbon Nanotube, Nanosheets, MOFs, Porous Organic Cages, Titanium Dioxide, Zinc Oxide, Mesoporous Silica Nanoparticles, O2/N2 Separation, CO2/CH4 Separation, H2/N2 Separation.