Mixed Hydrophilic Hydrophobic Fiber Media For Liquid Liquid Coalescence

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Mixed Hydrophilic/hydrophobic Fiber Media for Liquid-liquid Coalescence

Author : Prashant Shashank Kulkarni
Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.:/5 (896 download)

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Book Synopsis Mixed Hydrophilic/hydrophobic Fiber Media for Liquid-liquid Coalescence by : Prashant Shashank Kulkarni

Download or read book Mixed Hydrophilic/hydrophobic Fiber Media for Liquid-liquid Coalescence written by Prashant Shashank Kulkarni and published by . This book was released on 2011 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Separation of liquid-liquid dispersions is important industrially and environmentally. Fibrous coalescing filters are used to separate liquid-liquid dispersions. Wettability of the fibers significantly influences the filter performance. The wettability of the filter media depends on surface properties of fiber materials and porosity of the filter medium. The wettability of filter media and interfacial tension of the liquid are the important factors in designing a coalescing filter media. It is generally accepted that the intermediate wettability gives best filter performance. However, the effect of wettability on filter performance is not well understood, especially at low interfacial tension liquids. In addition, wettability characterization techniques are not widely applied for fibrous filter media. The goal of this work is to study the effect of wettability on filter performance and by evaluating filter media of varying wetting properties. In this work, filter media were prepared by mixing hydrophilic and hydrophobic fibers to control the wettability and to improve the performance of the filter media. The mixing of fibers was achieved by designing filter media in different geometries. The different geometries developed and evaluated are mixed, layered and radially layered hydrophilic/hydrophobic fiber media. The wettability of the filter media was characterized using modified Washburn's equation and expressed as the Lipophilic to Hydrophilic (L/H) ratio. Water and Viscor-1487 oil were used as test liquids for the wettability characterization. The developed geometries resulted in variation in wettability. The filter media were tested in liquid-liquid coalescence experiments in which fine emulsion was generated by dispersing water droplets in the Viscor-1487 oil. The experimental results show that wettability of filter media can be controlled by constructing a media with different geometries and choosing a right composition of hydrophilic/hydrophobic fibers. The pressure drop of filter media was reduced with increase in L/H. The performance of filter hydrophilic/hydrophobic filter media was improved as compare to only glass fiber (hydrophilic) media. However, improvement in quality factor is mainly due to reduction in pressure drop. The best filter performance was achieved with layered and radially layered structures made of glass and polypropylene fibers having L/H between 2 to 10. The media developed with glass and electrospun polypropylene fibers shows significant improvement in separation efficiency but also increase in pressure drop. The results and approach of this work will be useful in designing and developing filter media for many industrial filtration applications.

Advances in Petroleum Technology

Author : Subrata Borgohain Gogoi
Publisher : CRC Press
ISBN 13 : 1000075036
Total Pages : 429 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Advances in Petroleum Technology by : Subrata Borgohain Gogoi

Download or read book Advances in Petroleum Technology written by Subrata Borgohain Gogoi and published by CRC Press. This book was released on 2020-11-25 with total page 429 pages. Available in PDF, EPUB and Kindle. Book excerpt: An impending energy crisis is looming globally, which has led to the use of effluents from paper mills for enhanced oil recovery (EOR), CO2 flooding and wastewater treatment by biosurfactants, and the current market demand for cost-competitive and environment-friendly alternatives to synthetic chemicals. This up-to-date book on petroleum technology provides a comprehensive review of the background and recent advances in the field of petroleum technology and highlights various facets of the fascinating world of upstream, midstream and downstream petroleum technologies. It comprises 25 chapters, each representing the progress, prospects and challenges in petroleum research, and focuses on the tremendous progress made by the scientific community in this research field. The book covers in detail EOR processes, reservoir engineering, production operation and optimisation, pipeline transportation and storage, CO2 capture and sequestration, wastewater management and innovative treatment, refining technologies, environmental chemistry, and biochemistry and biotechnology for the petroleum industry.

Handbook of Natural Gas Transmission and Processing

Author : Saeid Mokhatab
Publisher : Gulf Professional Publishing
ISBN 13 : 0128016647
Total Pages : 629 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Handbook of Natural Gas Transmission and Processing by : Saeid Mokhatab

Download or read book Handbook of Natural Gas Transmission and Processing written by Saeid Mokhatab and published by Gulf Professional Publishing. This book was released on 2015-02-14 with total page 629 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by an internationally-recognized author team of natural gas industry experts, the third edition of Handbook of Natural Gas Transmission and Processing is a unique, well-documented, and comprehensive work on the major aspects of natural gas transmission and processing. Two new chapters have been added to the new edition: a chapter on nitrogen rejection to address today's high nitrogen gases and a chapter on gas processing plant operations to assist plant operators with optimizing their plant operations. In addition, overall updates to Handbook of Natural Gas Transmission and Processing provide a fresh look at new technologies and opportunities for solving current gas processing problems on plant design and operation and on greenhouse gases emissions. It also does an excellent job of highlighting the key considerations that must be taken into account for any natural gas project in development. - Covers all technical and operational aspects of natural gas transmission and processing in detail. - Provides pivotal updates on the latest technologies, applications and solutions. - Offers practical advice on design and operation based on engineering principles and operating experiences.

Intensification of Liquid–Liquid Processes

Author : Laurence R. Weatherley
Publisher : Cambridge University Press
ISBN 13 : 1108421016
Total Pages : 379 pages
Book Rating : 4.1/5 (84 download)

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Book Synopsis Intensification of Liquid–Liquid Processes by : Laurence R. Weatherley

Download or read book Intensification of Liquid–Liquid Processes written by Laurence R. Weatherley and published by Cambridge University Press. This book was released on 2020-04-16 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explore and review novel techniques for intensifying transport and reaction in liquid-liquid and related systems with this essential toolkit. Topics include discussion of the principles of process intensification, the nexus between process intensification and sustainable engineering, and the fundamentals of liquid-liquid contacting, from an expert with over forty-five years' experience in the field. Providing promising directions for investment and for new research in process intensification, in addition to a unique review of the fundamentals of the topic, this book is the perfect guide for senior undergraduate students, graduate students, developers, and research staff in chemical engineering and biochemical engineering.

Physicochemical Groundwater Remediation

Author : James A. Smith
Publisher : Springer Science & Business Media
ISBN 13 : 0306465698
Total Pages : 368 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis Physicochemical Groundwater Remediation by : James A. Smith

Download or read book Physicochemical Groundwater Remediation written by James A. Smith and published by Springer Science & Business Media. This book was released on 2001-07-31 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: You will learn how palladium catalyzes the dehalogenation of chlorinated solvents.

Petroleum Abstracts. Literature and Patents

Author :
Publisher :
ISBN 13 :
Total Pages : 1528 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Petroleum Abstracts. Literature and Patents by :

Download or read book Petroleum Abstracts. Literature and Patents written by and published by . This book was released on 1989 with total page 1528 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Surface Modification of Polymeric Biomaterials

Author : Buddy D. Ratner
Publisher : Springer Science & Business Media
ISBN 13 : 1489919538
Total Pages : 200 pages
Book Rating : 4.4/5 (899 download)

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Book Synopsis Surface Modification of Polymeric Biomaterials by : Buddy D. Ratner

Download or read book Surface Modification of Polymeric Biomaterials written by Buddy D. Ratner and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Applications of synthetic materials in medicine date back over 4000 year2. The Egyptians used linen as sutures. In the Roman Empire, gold was used in dentistry. Perhaps even earlier, ivory and bone may have been used in the body by practitioners of the healing arts. The historical origins of modem biomaterials science are also hard to precisely trace, but many of the ideas that define biomaterials as we know them today evolved in the late 1950s and early 1960s. Surface modification technology has played a prominent role in biomaterials science, and has paralleled the evolution of the modem field. In a symposium organized by the Artifical Heart Program of the NIH National Heart Institute and the Artificial Kidney program of the NIH National Institute of Arthritis and Metabolic Diseases, held in Atlantic City, New Jersey, in 1968, there were already a number of presentations on surface modification. Surface characterization at that time included scanning electron microscopy, ellipsometry, contact angle methods, and infrared internal reflection methods.

Composite Nonwoven Materials

Author : Dipayan Das
Publisher : Elsevier
ISBN 13 : 085709775X
Total Pages : 253 pages
Book Rating : 4.8/5 (57 download)

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Book Synopsis Composite Nonwoven Materials by : Dipayan Das

Download or read book Composite Nonwoven Materials written by Dipayan Das and published by Elsevier. This book was released on 2014-03-14 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: Composite nonwoven materials are versatile materials with a variety of applications, including hygiene, medicine and filtration. This important book provides a technical resource for professionals and academics in the field. It explores these materials in terms of fiber types used, manufacturing processes, structure, and physical properties. The first part of the book focuses on the use of natural and synthetic fibers in composite nonwovens, discusses their structure in terms of fiber packing and alignment, and their physical properties. Further chapters deal with the practical applications of composite nonwoven materials. Hygiene applications, such as diapers, female sanitary products, incontinence pads, and wipes are covered, as well as composite nonwoven-based medical products and filters. Composite Nonwoven Materials is an ideal reference for R&D managers in the textile industry and academic researchers in textile science. - Systematic and comprehensive information on composite nonwovens - Critical review of progress in research and development on composite nonwovens - Comment on future research direction and ideas for product development

Air Filtration

Author : R.C. Brown
Publisher : Pergamon
ISBN 13 :
Total Pages : 300 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Air Filtration by : R.C. Brown

Download or read book Air Filtration written by R.C. Brown and published by Pergamon. This book was released on 1993-11-02 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need for clean air has probably never been greater. Many industrial employees need to avoid exposure to airborne particulates, while certain industrial processes demand clean air of exceptional quality. Medical and biological fields rely on sterile air, while filtration can improve air quality in offices, homes and all types of transport. Filters act in a variety of complex and subtle ways. Each chapter introduces its subject matter simply, before tackling the problem in greater depth. The book therefore provides an excellent basis for detailed study, but is also invaluable to anyone needing an overview of the subject.

Microscale Surface Tension and Its Applications

Author : Pierre Lambert
Publisher : MDPI
ISBN 13 : 3039215647
Total Pages : 240 pages
Book Rating : 4.0/5 (392 download)

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Book Synopsis Microscale Surface Tension and Its Applications by : Pierre Lambert

Download or read book Microscale Surface Tension and Its Applications written by Pierre Lambert and published by MDPI. This book was released on 2019-10-21 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building on advances in miniaturization and soft matter, surface tension effects are a major key to the development of soft/fluidic microrobotics. Benefiting from scaling laws, surface tension and capillary effects can enable sensing, actuation, adhesion, confinement, compliance, and other structural and functional properties necessary in micro- and nanosystems. Various applications are under development: microfluidic and lab-on-chip devices, soft gripping and manipulation of particles, colloidal and interfacial assemblies, fluidic/droplet mechatronics. The capillary action is ubiquitous in drops, bubbles and menisci, opening a broad spectrum of technological solutions and scientific investigations. Identified grand challenges to the establishment of fluidic microrobotics include mastering the dynamics of capillary effects, controlling the hysteresis arising from wetting and evaporation, improving the dispensing and handling of tiny droplets, and developing a mechatronic approach for the control and programming of surface tension effects. In this Special Issue of Micromachines, we invite contributions covering all aspects of microscale engineering relying on surface tension. Particularly, we welcome contributions on fundamentals or applications related to: Drop-botics: fluidic or surface tension-based micro/nanorobotics: capillary manipulation, gripping, and actuation, sensing, folding, propulsion and bio-inspired solutions; Control of surface tension effects: surface tension gradients, active surfactants, thermocapillarity, electrowetting, elastocapillarity; Handling of droplets, bubbles and liquid bridges: dispensing, confinement, displacement, stretching, rupture, evaporation; Capillary forces: modelling, measurement, simulation; Interfacial engineering: smart liquids, surface treatments; Interfacial fluidic and capillary assembly of colloids and devices; Biological applications of surface tension, including lab-on-chip and organ-on-chip systems.

Bijels

Author : Paul S Clegg
Publisher : Royal Society of Chemistry
ISBN 13 : 1788015207
Total Pages : 266 pages
Book Rating : 4.7/5 (88 download)

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Book Synopsis Bijels by : Paul S Clegg

Download or read book Bijels written by Paul S Clegg and published by Royal Society of Chemistry. This book was released on 2020-03-27 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bicontinuous interfacially jammed emulsion gels, now commonly termed 'bijels', are a class of soft materials, in which interpenetrating, continuous domains of two immiscible fluids are maintained in a rigid arrangement by a jammed layer of colloidal particles at their interface. Such gels have unusual material properties that promise exciting applications across diverse fields from energy materials and catalysis, to food science. This is the first book on the subject and provides the reader with a fundamental introduction. Edited by a recognised authority on bijels, the reader will learn about the bijel and its formation. Bringing together current understanding, this book aims to bring the potential application of bijels to diverse materials challenges closer to fruition. This is a must-have resource for anyone working in soft matter and applied fields.

Polymer Capsules

Author : Ye Liu
Publisher : CRC Press
ISBN 13 : 0429767870
Total Pages : 359 pages
Book Rating : 4.4/5 (297 download)

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Book Synopsis Polymer Capsules by : Ye Liu

Download or read book Polymer Capsules written by Ye Liu and published by CRC Press. This book was released on 2019-05-10 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymers are one of the most versatile and important materials used for capsule preparation despite various others available. Suitably formulated capsules can securely protect ingredients, deliver them to targeted sites, and release them expeditiously, improving functions and minimizing adverse effects. New polymers are constantly being explored to develop more efficient capsules as they are routinely used in pharmaceuticals, consumer healthcare products, nutrients, and food. This book focuses on the current state of the art of polymer-based capsules and delivery systems. It describes the formulation processes of capsules developed from redox-responsive polymers and polymer-functionalized carbon nanotubes, in addition to shedding light on coacervation of polymers for encapsulation. It reviews different active ingredients that can be used with polymer capsules in various products, encapsulation of essential oils using such capsules, and development of polymer capsules of cells and bacteriophages.

The Properties of Water and Their Role in Colloidal and Biological Systems

Author : Carel J. Van Oss
Publisher : Academic Press
ISBN 13 : 0123743036
Total Pages : 239 pages
Book Rating : 4.1/5 (237 download)

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Book Synopsis The Properties of Water and Their Role in Colloidal and Biological Systems by : Carel J. Van Oss

Download or read book The Properties of Water and Their Role in Colloidal and Biological Systems written by Carel J. Van Oss and published by Academic Press. This book was released on 2008-11-19 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book also treats the surface properties of apolar and polar molecules, polymers, particles and cells, as well as their mutual interaction energies, when immersed in water, under the influence of the three prevailing non-covalent forces, i.e., Lewis acid-base (AB), Lifshitz-van der Waals (LW) and electrical double layer (EL) interactions. The polar AB interactions, be they attractive or repulsive, typically represent up to 90% of the total interaction energies occurring in water. Thus the addition of AB energies to the LW + EL energies of the classical DLVO theory of energy vs. distance analysis makes this powerful tool (the Extended DLVO theory) applicable to the quantitative study of the stability of particle suspensions in water.-

Handbook of Nonwovens

Author : S. J. Russell
Publisher : Woodhead Publishing
ISBN 13 : 0128189134
Total Pages : 650 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Handbook of Nonwovens by : S. J. Russell

Download or read book Handbook of Nonwovens written by S. J. Russell and published by Woodhead Publishing. This book was released on 2022-05-31 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Nonwovens, Second Edition updates and expands its popular interdisciplinary treatment of the properties, processing, and applications of nonwovens. Initial chapters review the development of the industry and the different classes of nonwoven material. The book then discusses methods of manufacture such as dry-laid, wet-laid, and polymer-laid web formation. Other techniques analyzed include mechanical, thermal, and chemical bonding, as well as chemical and mechanical finishing systems. The book concludes by assessing the characterization, testing, and modeling of nonwoven materials.Covering an unmatched range of materials with a variety of compositions and manufacturing routes, this remains the indispensable reference to nonwovens for designers, engineers, materials scientists, and researchers, particularly those interested in the manufacturing of automotive, aerospace, and medical products. Nonwovens are a unique class of textile material formed from fibers that are bonded together through various means to form a coherent structure. The range of properties they can embody make them an important part of a range of innovative products and solutions, which continues to attract interest from industry as well as academia. - Describes in detail the manufacturing processes of a range of nonwoven materials - Provides detailed coverage of the mechanical and thermal properties of non-woven fabrics - Includes extensive updates throughout on the characterization and testing of nonwovens - Explains how to model nonwoven structures

Wetting and Wettability

Author : Mahmood Aliofkhazraei
Publisher : BoD – Books on Demand
ISBN 13 : 9535122150
Total Pages : 386 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Wetting and Wettability by : Mahmood Aliofkhazraei

Download or read book Wetting and Wettability written by Mahmood Aliofkhazraei and published by BoD – Books on Demand. This book was released on 2015-12-16 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: On the liquid 's surface, the molecules have fewer neighbors in comparison with the bulk volume. As a result, the energy interaction shows itself in the surface tension. Traditionally, the surface tension can be assumed as a force in the unit of the length which can be counted by the unit of Newton on squared meter, or energy on the units of the surface. The surface tension, implies the interface between liquid and vapor, which is an example of the surface tensions. The equilibrium between these surface tensions, decides that a droplet on a solid surface, would have a droplet form or will change to layer form. This book collects new developments in wetting and wettability science.

Hollow Fiber Membrane Contactors

Author : Anil K. Pabby
Publisher : CRC Press
ISBN 13 : 0429677456
Total Pages : 325 pages
Book Rating : 4.4/5 (296 download)

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Book Synopsis Hollow Fiber Membrane Contactors by : Anil K. Pabby

Download or read book Hollow Fiber Membrane Contactors written by Anil K. Pabby and published by CRC Press. This book was released on 2020-11-23 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Microsupercapacitors

Author : Kazufumi Kobashi
Publisher : Woodhead Publishing
ISBN 13 : 008102889X
Total Pages : 312 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Microsupercapacitors by : Kazufumi Kobashi

Download or read book Microsupercapacitors written by Kazufumi Kobashi and published by Woodhead Publishing. This book was released on 2021-10-01 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microsupercapacitors systematically guides the reader through the key materials, characterization techniques, performance factors and potential applications and benefits to society of this emerging electrical energy storage solution. The book reviews the technical challenges in scaling down supercapacitors, covering materials, performance, design and applications perspectives. Sections provide a fundamental understanding of microsupercapacitors and compare them to existing energy storage technologies. Final discussions consider the factors that impact performance, potential tactics to improve performance, barriers to implementation, emerging solutions to those barriers, and a future outlook. This book will be of particular interest to materials scientists and engineers working in academia, research and development. - Provides a concise introduction of the fundamental science, related technological challenges, and solutions that microsupercapacitors can offer - Compares microsupercapacitors with current technologies - Reviews the applications of new strategies and the challenge of scaling down supercapacitors - Covers the most relevant applications, including energy storage, energy harvesting, sensors and biomedical devices