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Hollow Fiber Membranes

Hollow Fiber Membranes
  • Author : Tai-Shung Chung,Yingnan Feng
  • Publisher :Unknown
  • Release Date :2021-03-19
  • Total pages :546
  • ISBN : 9780128218914
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Summary : Hollow Fiber Membranes: Fabrication and Applications focuses on the fabrication and applications of hollow fiber membranes. The book amply discusses the fundamental theories and practical applications of hollow fiber membranes, covering membrane formation mechanisms, hollow fiber spinning techniques, and spinneret design and module fabrication. In addition, novel membrane processes and applications of hollow fiber membranes are introduced. Elaborates membrane formation mechanisms Illustrates novel hollow fiber fabrication techniques and processes Specifies practical spinneret design and module fabrication Reviews hollow fiber membranes spun from specialty polymers Discusses state-of-the-art hollow fiber membrane applications

Hollow Fiber Membranes

Hollow Fiber Membranes
  • Author : Tai-Shung Chung,Yingnan Feng
  • Publisher :Unknown
  • Release Date :2021-04-02
  • Total pages :546
  • ISBN : 9780128218761
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Summary : Hollow Fiber Membranes: Fabrication and Applications focuses on the fabrication and applications of hollow fiber membranes. It amply discusses the fundamental theories and practical applications of hollow fiber membranes. The book covers topics regarding hollow fiber membranes comprehensively including membrane formation mechanisms, hollow fiber spinning techniques, spinneret design and module fabrication. Novel membrane processes and applications of hollow fiber membranes are also introduced to the audience

Hollow Fiber Membrane Contactors

Hollow Fiber Membrane Contactors
  • Author : Anil K. Pabby,S. Ranil Wickramasinghe,Kamalesh K. Sirkar,Ana-Maria Sastre
  • Publisher :Unknown
  • Release Date :2020-11-23
  • Total pages :306
  • ISBN : 9780429677458
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Summary : This book on hollow fiber contractors presents an up-to-date compilation of the latest developments and milestones in this membrane technology. Hollow Fiber Membrane Contactors: Module Fabrication, Design and Operation, and Potential Applications provides a comprehensive discussion of hollow fiber membrane applications (including a few case studies) in biotechnology, chemical, food, and nuclear engineering. The chapters in this book have been classified using the following, based on different ways of contacting fluids with each other: Gas-liquid contacting; Liquid-liquid contacting; Supported liquid membrane; Supported gas membrane; Fluid-fluid contacting. Other features include: Discusses using non-dispersive solvent extraction, hollow fiber strip dispersion, hollow fiber supported liquid membranes and role of process intensification in integrated use of these processes Provides technical and economic perspectives with several case studies related to specific scenarios Demonstrates module fabrication, design, operation and maintenance of hollow fiber contactors for different applications and performance Presents discussion on newer concepts like membrane emulsification, membrane nanoprecipitation, membrane crystallization and membrane condenser Special focus on emerging areas such as the use of hollow fiber contactor in back end of nuclear fuel cycle, membrane distillation, dehumidification of air and gas absorption and stripping Discusses theoretical analysis including computational modeling of different hollow fiber membrane processes, and presents emphasis on newly developed area of hollow fiber membrane based analytical techniques Presents discussion on upcoming area dealing with hollow fiber contactors-based technology in fermentation and enzymatic transformation and in chiral separations This book is equally suited for newcomers to the field, as well as for engineers and scientists that have basic knowledge in this field but are interested in obtaining more information about specific future applications.

PSF Hollow Fiber Membrane Fabricated from PSF–HBPE–PEG400–DMAc Dope Solutions Via Reverse Thermally Induced Phase Separation (RTIPS) Process

PSF Hollow Fiber Membrane Fabricated from PSF–HBPE–PEG400–DMAc Dope Solutions Via Reverse Thermally Induced Phase Separation (RTIPS) Process
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :2015
  • Total pages :229
  • ISBN : OCLC:1051918853
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Summary : Abstract: Hyperbranched polyesters (HBPEs) based on 2, 2-bis(methylol)propionic acid (bis-MPA) was used as an additive to prepare polysulfone (PSf) hollow fiber membranes while the PSf–HBPE–PEG400–DMAc dope solutions were low critical solution temperature (LCST) membrane-forming systems. When the temperature of the coagulation bath was lower than the cloud point, the membrane formation process was the NIPS process, and the finger-like structure could be found in the membranes. The hydrophilicity, porosity, pure water flux, mean effective pore size and breaking strength of these prepared membranes increased with increasing the HBPE content. On the other hand, when the temperature of the coagulation bath reached the cloud point, the membrane formation process was changed to the reverse thermally induced phase separation (RTIPS) process. In these membranes, the finger-like structure was replaced by the sponge-like structure, and the porosity, pure water flux, mean effective pore size and breaking strength of these prepared membranes increased with increasing the temperature of the coagulation bath. Highlights: The dope solutions with the addition of HBPEs were successfully prepared. The properties of these dope solutions were measured. Porous hollow fiber membranes were successfully prepared via RTIPS. Through the RTIPS process, these membranes exhibited unique properties. With the addition of HBPE, these membranes exhibited unique properties.

Treatment of Spacecraft Wastewater Using a Hollow Fiber Membrane Biofilm Redox Control Reactor

Treatment of Spacecraft Wastewater Using a Hollow Fiber Membrane Biofilm Redox Control Reactor
  • Author : National Aeronautics and Space Administration (NASA)
  • Publisher :Unknown
  • Release Date :2018-06-21
  • Total pages :26
  • ISBN : 1721671242
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Summary : The purpose of this project was to develop and evaluate design concepts for biological treatment reactors for the purification of spacecraft wastewater prior to reverse osmosis treatment. The motivating factor is that wastewater recovery represents the greatest single potential reduction in the resupply requirements for crewed space missions. Spacecraft wastewater composition was estimated from the characteristics of the three major component streams: urine/flush water, hygiene water, and atmospheric condensate. The key characteristics of composite spacecraft wastewater are a theoretical oxygen demand of 4519 mg/L, of which 65% is nitrogenous oxygen demand, in a volume of 11.5 liter/crew-day. The organic carbon to nitrogen ratio of composite wastewater is 0.86. Urine represents 93% of nitrogen and 49% of the organic carbon in the composite wastestream. Various bioreaction scenarios were evaluated to project stoichiometric oxygen demands and the ability of wastewater carbon to support denitrification. Ammonia nitrification to the nitrite oxidation state reduced the oxygen requirement and enabled wastewater carbon to provide nearly complete denitrification. A conceptual bioreactor design was established using hollow fiber membranes for bubbleless oxygen transfer in a gravity-free environment, in close spatial juxtaposition to a second interspaced hollow fiber array for supplying molecular hydrogen. Highly versatile redox control and an enhanced ability to engineer syntrophic associations are stated advantages. A prototype reactor was constructed using a microporous hollow fiber membrane module for aeration. Maintaining inlet gas pressure within 0.25 psi of the external water pressure resulted in bubble free operation with no water ingress into hollow fiber lumens. Recommendations include the design and operational testing of hollow fiber bioreactors using: 1) Partial nitrification/nitrite predenitrification; 2) Limited aeration for simultaneous nitrification/denitrifi

Structured Hollow Fiber Membranes for Enhanced Mass Transfer

Structured Hollow Fiber Membranes for Enhanced Mass Transfer
  • Author : Tobias Lülf
  • Publisher :Unknown
  • Release Date :2019
  • Total pages :229
  • ISBN : 3844067000
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Summary :

Hydrogen Separation Using Asymmetric Cellulose Acetate Hollow Fiber Membranes

Hydrogen Separation Using Asymmetric Cellulose Acetate Hollow Fiber Membranes
  • Author : Rabitah Zakaria
  • Publisher :Unknown
  • Release Date :2006
  • Total pages :238
  • ISBN : OCLC:975172886
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Summary :

Membranes and Membrane Technologies

Membranes and Membrane Technologies
  • Author : Stanislav Kolisnychenko
  • Publisher :Unknown
  • Release Date :2019-04-22
  • Total pages :2002
  • ISBN : 9783035734225
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Summary : The topic collection “Membranes and Membrane Technologies” consists of papers published by Trans Tech Publications Inc. from 2012 up to 2017 and it covers a wide range of engineering solutions in the field of properties research, development, and production of various types of membranes and their use in the technologies for the treatment of the drink water and wastewater, gas separation, bioindustry, etc. We hope this collection will be useful and interesting to a broad audience of researchers and engineers.

Fabrication of Polyvinylidene Fluoride Hollow Fiber Membranes for Membrane Distillation

Fabrication of Polyvinylidene Fluoride Hollow Fiber Membranes for Membrane Distillation
  • Author : Abdullah Al Balushi
  • Publisher :Unknown
  • Release Date :2019
  • Total pages :229
  • ISBN : OCLC:1119665354
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Summary : Desalination technologies can help humanity tap into the most abundant source of water on earth, seawater; however, desalination is an energy-demanding process. Most of the desalination plants worldwide use conventional energy resources; therefore, desalination leaves a large carbon footprint. Solar energy is an available source of energy that can be harvested and integrated into desalination systems. Membrane distillation (MD) is an emerging purification technology that many offers many advantages over traditional desalination systems. For starters, it can utilize low-grade thermal energy to drive the separation, therefore, it can be suitably integrated into the solar-thermal energy scheme. Additionally, MD can be used to desalinate challenging water streams with minimal pretreatment, which makes it a suitable candidate for off-grid desalination in rural regions. Herein, the lack of proper membranes and designed modules, membrane wetting and fouling, and the thermodynamic inefficiency in this system were identified as the bottleneck of the MD process, and novel solutions to tackle challenges were investigated. Polyvinylidene fluoride (PVDF) membranes suitable for MD were fabricated using nonsolvent induced phase separation (NIPS). The membranes were fully characterized to gain insight into the characteristics of MD membranes. By adjusting the parameters controlling NIPS, membrane characteristics such as porosity, thickness, geometry, surface topography, and gas permeability were controlled. The desalination performance of the membranes, as well as their fouling and wetting propensity, were evaluated and studied. Some post-processing methods were employed on the membranes to hinder their fouling and wetting tendencies in MD operation. The membranes that were fabricated in this study displayed robust performance in challenging water streams.

Zeta Potential Characterization of Hollow Fiber Membranes

Zeta Potential Characterization of Hollow Fiber Membranes
  • Author : Vita Petek Regoršek
  • Publisher :Unknown
  • Release Date :2018
  • Total pages :86
  • ISBN : OCLC:1051703392
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Summary :

Membrane Distillation of Saline Water Using Novel Hollow Fiber Membranes

Membrane Distillation of Saline Water Using Novel Hollow Fiber Membranes
  • Author : Bao-An Li
  • Publisher :Unknown
  • Release Date :2003
  • Total pages :229
  • ISBN : OCLC:1139401096
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Summary :

Direct Activated Sludge Dewatering Using Hollow Fiber Membranes

Direct Activated Sludge Dewatering Using Hollow Fiber Membranes
  • Author : Roger Malaver Muñoz
  • Publisher :Unknown
  • Release Date :1992
  • Total pages :154
  • ISBN : OCLC:29455552
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Summary :

Synthesis of Aquaporin InsideTM Coated Biomimetic Hollow Fiber Membranes for Forward Osmosis Applications

Synthesis of Aquaporin InsideTM Coated Biomimetic Hollow Fiber Membranes for Forward Osmosis Applications
  • Author : Mads Friis Andersen,Claus Hélix-Nielsen
  • Publisher :Unknown
  • Release Date :2014
  • Total pages :176
  • ISBN : OCLC:898624937
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Summary :

Gas Transfer and Degassing Using Hollow Fiber Membranes

Gas Transfer and Degassing Using Hollow Fiber Membranes
  • Author : Tor-Ove Leiknes
  • Publisher :Unknown
  • Release Date :2002
  • Total pages :240
  • ISBN : 8247153912
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Summary :

Liquid-liquid extraction using microporous hollow-fiber membranes

Liquid-liquid extraction using microporous hollow-fiber membranes
  • Author : Msafiri Mmasa Mshewa
  • Publisher :Unknown
  • Release Date :1991
  • Total pages :254
  • ISBN : OCLC:26837761
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Summary :

Contaminants Removal from Natural Gas Using Dual Hollow Fiber Membrane Contactors

Contaminants Removal from Natural Gas Using Dual Hollow Fiber Membrane Contactors
  • Author : Jingjing Cai
  • Publisher :Unknown
  • Release Date :2010
  • Total pages :156
  • ISBN : OCLC:654341722
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Summary :

Membrane Contactors: Fundamentals, Applications and Potentialities

Membrane Contactors: Fundamentals, Applications and Potentialities
  • Author : Enrico Drioli,A. Criscuoli,E. Curcio
  • Publisher :Unknown
  • Release Date :2011-08-30
  • Total pages :516
  • ISBN : 0080457010
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Summary : Membrane Contactors: Fundamentals, Applications and Potentialities, Volume 11 covers new operations that could be efficiently used to improve the performance of a variety of industrial production cycles in applications ranging from biotechnology to agrofood. This book focuses on the basic "principles of work": required membrane materials and properties; major operating parameters; the importance of module configuration and design and; the performance of membrane contactors in specific processes. The authors’ dynamic approach to this subject makes Membrane Contactors: Fundamentals, Applications and Potentialities, Volume 11 the most comprehensive book currently available on all aspects related to the 'membrane contactor world. * Describes new unit operations in process engineering * Covers a wide variety of industrial applications, from biotechnology to agrofood * Applicable to process intensification and sustainable growth strategies

Characterization and analysis of asymmetric hollow fiber membranes for natural gas purification in the presence of hydrocarbons

Characterization and analysis of asymmetric hollow fiber membranes for natural gas purification in the presence of hydrocarbons
  • Author : Gunaidi Djoekita
  • Publisher :Unknown
  • Release Date :2000
  • Total pages :166
  • ISBN : OCLC:45233791
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Ultrafiltration Membranes from a Polymer Blend

Ultrafiltration Membranes from a Polymer Blend
  • Author : Ingrid Maria Wienk
  • Publisher :Unknown
  • Release Date :1993
  • Total pages :183
  • ISBN : STANFORD:36105122672160
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Enzyme Immobilization Using Asymmetric Hollow Fiber Membranes

Enzyme Immobilization Using Asymmetric Hollow Fiber Membranes
  • Author : Larry Russell Waterland
  • Publisher :Unknown
  • Release Date :1975
  • Total pages :200
  • ISBN : STANFORD:36105031669398
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Summary :

Diffusive Permeability of Hollow Fiber Membranes

Diffusive Permeability of Hollow Fiber Membranes
  • Author : Steven Minh Dinh
  • Publisher :Unknown
  • Release Date :1978
  • Total pages :364
  • ISBN : CORNELL:31924004762245
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Summary :