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Liquid Biphasic System

Liquid Biphasic System
  • Author : Pau-Loke Show,Sze Ying Lee,Kit Wayne Chew
  • Publisher :Unknown
  • Release Date :2020-06
  • Total pages :500
  • ISBN : 9780128199862
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Summary : Liquid Biphasic System: Fundamentals and Applications in Bioseparation Technology explores the fundamental processes and applications of this new separation system, providing an understanding of the basic principles of the technique and offering constructive criticisms on the latest findings. Including coverage of the background, principles, mechanisms and applications, the book also addresses how to adapt the technology for the purification of useful compounds with greater cost efficiency and greener processing. This is essential reading for bioprocess engineers, biochemical engineers, biosystem engineers, chemists and microbiologists. However, researchers, scientists and engineers selecting and evaluating alternative bioseparation processes will also find it very helpful. Provides information and examples of advanced separations Includes detailed descriptions of novel bioseparation systems Covers the latest technologies related to advanced liquid-liquid separation and their applications in various industries

Development of Liquid Biphasic System for Betacyanins Extraction from Peel and Flesh of Hylocereus Polyrhizus and Its Applications

Development of Liquid Biphasic System for Betacyanins Extraction from Peel and Flesh of Hylocereus Polyrhizus and Its Applications
  • Author : Hui Yi Leong
  • Publisher :Unknown
  • Release Date :2019
  • Total pages :229
  • ISBN : 09876543XX
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Summary :

The Science and Application of Aqueous Two-Phase Systems and Liquid-Liquid Phase Separation in Biotechnology and Bioengineering

The Science and Application of Aqueous Two-Phase Systems and Liquid-Liquid Phase Separation in Biotechnology and Bioengineering
  • Author : John Paul Frampton,Brendan M. Leung,Anderson Ho Cheung Shum
  • Publisher :Unknown
  • Release Date :2020-01-13
  • Total pages :229
  • ISBN : 288963356X
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Summary : The phase separation of incompatible liquids has been a topic of significant importance in chemical and industrial engineering for many years. Well-understood examples of this phenomenon include the phase separation of oil with water and the phase separation of non-polar organic solvents with water. Similar behavior is observed when aqueous solutions of two or more incompatible polymers or polymers and salts are mixed. In these mixtures (referred to as aqueous two-phase systems), the separated phases are composed mostly of water. Aqueous two-phase systems have been used extensively for the extraction of high-value biological products from mixtures of biological materials. In recent years, aqueous two-phase systems have also found increased use as materials for streamlining and improving the capabilities of cell and molecular assays, and for the design of advanced cell culture systems. Similar behavior of biological materials in living systems has also been observed, with emerging roles in cell physiology.

Ionic-Liquid-Based Aqueous Biphasic Systems

Ionic-Liquid-Based Aqueous Biphasic Systems
  • Author : Mara G. Freire
  • Publisher :Unknown
  • Release Date :2016-10-05
  • Total pages :315
  • ISBN : 3662528754
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Summary : This book offers comprehensive information on the fundamentals and applications of ionic-liquid-based aqueous biphasic systems, which have predominantly (and successfully) been employed as alternative platforms for the extraction, separation and purification of diverse high-value products. The book consists of an initial introduction providing a brief overview, from fundamentals to applications, followed by nine chapters addressing the respective phase diagrams (interpretation and characterization) and remarkable examples of their applications. It also includes two final chapters focusing on recent developments in the search for more environmentally-benign and biocompatible ionic-liquid-based aqueous biphasic systems, and on the progress made to date concerning the recovery, recycling and reuse of the phase-forming components, the goal being the development of cost-effective and sustainable processes. The book offers an interesting and useful guide for a broad readership in the fields of green chemistry, biotechnology, chemical engineering, and biochemistry, among others. Mara G. Freire is a Coordinator Researcher at CICECO - Aveiro Institute of Materials, Chemistry Department, University of Aveiro, Portugal.

Bioprocess Engineering

Bioprocess Engineering
  • Author : Pau Loke Show,Chien Wei Ooi,Tau Chuan Ling
  • Publisher :Unknown
  • Release Date :2019-05-24
  • Total pages :210
  • ISBN : 0429882521
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Summary : Bioprocess Engineering: Downstream Processing is the first book to present the principles of bioprocess engineering, focusing on downstream bioprocessing. It aims to provide the latest bioprocess technology and explain process analysis from an engineering point of view, using worked examples related to biological systems. This book introduces the commonly used technologies for downstream processing of biobased products. The covered topics include centrifugation, filtration, membrane separation, reverse osmosis, chromatography, biosorption, liquid-liquid separation, and drying. The basic principles and mechanism of separation are covered in each of the topics, wherein the engineering concept and design are emphasized. This book is aimed at bioprocess engineers and professionals who wish to perform downstream processing for their feedstock, as well as students.

Mechanism of Ionic-liquid-based Acidic Aqueous Biphasic System Formation1

Mechanism of Ionic-liquid-based Acidic Aqueous Biphasic System Formation1
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :2018
  • Total pages :229
  • ISBN : 09876543XX
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Summary : Abstract : This work represents a major contribution to the understanding of ionic liquid-based acidic aqueous biphasic system formation and application. Abstract : Ionic-liquid-based acidic aqueous biphasic systems (IL-based AcABS) represent a promising alternative to the solvent extraction process for the recovery of critical metals, in which the substitution of the inorganic salt by an acid allows for a 'one-pot' approach to the leaching and separation of metals. However, a more fundamental understanding of AcABS formation remains wanting. In this work, the formation mechanisms of AcABS are elucidated through a comparison with traditional aqueous biphasic systems (ABS). A large screening of AcABS formation with a wide range of IL identifies the charge shielding of the cation as the primary structural driver for the applicability of an IL in AcABS. Through a systematic study of tributyltetradecylphosphonium chloride ([P44414 ]Cl) with various chloride salts and acids, we observed the first significant deviation to the cationic Hofmeister series reported for IL-based ABS. Furthermore, the weaker than expected salting-out ability of H3 O + compared to Na + is attributed to the greater interaction of H3 O + with the [P44414 ] + micelle surface. Finally, the remarkable thermomorphic properties of [P44414 ]Cl based systems are investigated with a significant increase in the biphasic region induced by the increase in the temperature from 298 K to 323 K. These finding allows for the extension of ABS to new acidic systems and highlights their versatility and tunability.

Catalysis in Ionic Liquids

Catalysis in Ionic Liquids
  • Author : Chris Hardacre,Vasile Parvulescu
  • Publisher :Unknown
  • Release Date :2014-03-20
  • Total pages :620
  • ISBN : 1782621326
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Summary : Although ionic liquids have only been studied in depth during the last decades, the field is now maturing to such a degree that the focus is on larger scale applications for use in real processes such as catalysis. Current information is scattered across the literature and Catalysis in Ionic Liquids provides a critical analysis of the research published to date on ionic solvents in all areas of the catalytic science. The book covers both catalyst synthesis using ionic liquids as solvents and green syntheses using both ionic liquids as well as mixtures of ionic liquids and carbon dioxide (as a subcritical and supercritical liquid), including enzymatic, homogeneous, and heterogeneous catalysis, electrocatalysis and organocatalysis. As well as the catalysis community, the book will also be of interest to postgraduates, postdoctoral workers and researchers in academia and industry working in organic synthesis, new materials synthesis, renewable sources of energy and electrochemistry. Written by leading experts in the field, this is the reference source to find about catalysis in ionic liquids.

Green Technologies

Green Technologies
  • Author : Pau Loke Show,Suchithra Thangalazhy Gopakumar,Dominic C. Y. Foo
  • Publisher :Unknown
  • Release Date :2020-11-23
  • Total pages :306
  • ISBN : 3039365193
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Summary : Green technologies can be identified as key components in Industry 4.0. The scope of this book is to address how conventional green technologies can be a part of smart industries by minimizing waste, maximizing productivity, optimizing the supply chain, or by additive manufacturing. This theme focuses on the scope and challenges of integrating current environmental technologies in future industries. This book, “Green Technologies: Bridging Conventional Practices and Industry 4.0”, aims to incorporate and introduce the advances in green technologies to the cyber-based industries. It is hoped that the novel green technologies presented in this book are useful in assisting the global community in working towards fulfilling the Sustainable Development Goals.

Green Solvents

Green Solvents
  • Author : Paul T. Anastas,Peter Wasserscheid,Annegret Stark
  • Publisher :Unknown
  • Release Date :2013-09-30
  • Total pages :365
  • ISBN : 3527325921
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Summary : This volume covers everything readers need to know about green chemistry. It covers topics including green chemistry engineering, green catalysis (homogeneous, heterogeneous and biocatalysis) and separations techniques as well as solvents like supercritical fluids and ionic liquids.

Ion Exchange and Solvent Extraction

Ion Exchange and Solvent Extraction
  • Author : Bruce A Moyer
  • Publisher :Unknown
  • Release Date :2019-06-18
  • Total pages :294
  • ISBN : 135162752X
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Summary : This volume will capture transformational changes in both the chemistry and engineering side of solvent extraction, creating new directions and deepening our understanding of the structure and dynamics of liquid-liquid systems from the molecular- to nano- to meso- to bulk-scale. Reviews will cover advances in microfluidics, new tools for understanding the structure and dynamics of the liquid-liquid interface, ionic liquids in liquid-liquid extraction, molecular dynamics to visualize interactions in the solvent phase, liquid-liquid electrochemistry to interrogate the energetics of interfacial transport and complexation, design of new extractants, and the streamlining of process applications.

Microreactors in Organic Synthesis and Catalysis

Microreactors in Organic Synthesis and Catalysis
  • Author : Thomas Wirth
  • Publisher :Unknown
  • Release Date :2008-09-08
  • Total pages :297
  • ISBN : 3527622861
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Summary : This one-stop reference is the first book on this emerging and rapid developing field with a focus on synthesis and catalysis. As such, it covers all aspects from academia and industry in a clearly structured way. Leading experts provide the background information as an initial aid for newcomers to the field, while chapters on different reaction types and industrial applications make this an equally vital resource for specialists.

Aqueous Two-phase Systems

Aqueous Two-phase Systems
  • Author : Rajni Hatti-Kaul
  • Publisher :Unknown
  • Release Date :2000
  • Total pages :440
  • ISBN : 1592590284
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Summary : In Aqueous Two-Phase Systems: Methods and Protocols, Rajni Hatti-Kaul and her expert coauthors combine theory, methodology, and applications in a practical collection of easily reproducible protocols for bioseparations in aqueous two-phase systems (ATPS). The protocols range from established methods to cutting-edge techniques with potential biotechnological applications, all presented in set-by-step detail to ensure easy reproducibility and robust results. Among the methods detailed are those for ATPS preparation and characterization, for partitioning applied to soluble molecules and particulates (including whole cells, membranes, and organelles), and for the isolation and purification of proteins-including a glimpse of large-scale handling of two-phase separations. Techniques for in situ product recovery during biocatalytic processes and for polymer-polymer systems in organic solvents are also presented. Practical and informative, with its detailed guidelines allowing researchers to adapt specific systems to their own separation needs, Aqueous Two-Phase Systems: Methods and Protocols demonstrates the scope and utility of two-phase aqueous systems in both basic and applied research.

Applied Homogeneous Catalysis

Applied Homogeneous Catalysis
  • Author : Arno Behr,Peter Neubert
  • Publisher :Unknown
  • Release Date :2012-04-16
  • Total pages :688
  • ISBN : 3527326413
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Summary : Adopting a didactic approach at an advanced, masters level, this concise textbook provides an array of questions & answers and features numerous industrial case studies and examples, with references for further, more detailed reading and to the latest peer-reviewed articles at the end of each chapter. A significant feature is the book’s treatment of more recently developed catalytic processes and their applications in the pharmaceutical and fi ne chemical industries, with an indication of their present and future commercial impact. Written by a dedicated lecturer with a wealth of experience in industry, this is an invaluable tool for practicing chemical engineers and chemists who need to advance their education in this vibrant and expanding field.

Liquid-Phase Extraction

Liquid-Phase Extraction
  • Author : Colin F. Poole
  • Publisher :Unknown
  • Release Date :2019-08-29
  • Total pages :816
  • ISBN : 0128169125
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Summary : Liquid Phase Extraction thoroughly presents both existing and new techniques in liquid phase extraction. It not only provides all information laboratory scientists need for choosing and utilizing suitable sample preparation procedures for any kind of sample, but also showcases the contemporary uses of sample preparation techniques in the most important industrial and academic project environments, including countercurrent chromatography, pressurized-liquid extraction, single-drop Microextraction, and more. Written by recognized experts in their respective fields, it serves as a one-stop reference for those who need to know which technique to choose for liquid phase extraction. Used in conjunction with a similar release, Solid Phase Extraction, it allows users to master this crucial aspect of sample preparation. Defines the current state-of-the-art in extraction techniques and the methods and procedures for implementing them in laboratory practice Includes extensive referencing that facilitates the identification of key information Aimed at both entry-level scientists and those who want to explore new techniques and methods

Molten Salts and Ionic Liquids

Molten Salts and Ionic Liquids
  • Author : Marcelle Gaune-Escard,Kenneth R. Seddon
  • Publisher :Unknown
  • Release Date :2012-07-06
  • Total pages :250
  • ISBN : 0470947764
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Summary : For many years, the related fields of molten salts and ionic liquids have drifted apart, to their mutual detriment. Both molten salts and ionic liquids are liquid salts containing only ions - all that is different is the temperature! Both fields involve the study of Coulombic fluids for academic and industrial purposes; both employ the same principles; both require skilled practitioners; both speak the same language; all then that is truly different is their semantics, and how superficial is that? The editors of this book, recognising that there was so much knowledge, both empirical and theoretical, which can be passed from the molten salt community to the ionic liquid community, and vice versa, organised a landmark meeting in Tunisia, designed to bridge the gap and heal the rift. Leaders from both communities met for a week for a mutual exchange, with a high tutorial content intermixed with cutting edge findings. This volume is a condensate of the principal offerings of that week, and emphasises the success which was achieved. Indeed, four future biannual meetings, under the title of “EUCHEM Conferences on Molten Salts and Ionic Liquids”, have now been planned as a direct result of this meeting of minds. Topics discussed in this volume include structure, dynamics, electrochemistry, interfacial and thermodynamic properties, spectroscopy, synthesis, and theoretical studies. Experimental and theoretical methods for investigating these data are elaborated, as are techniques for data collection and analysis. This book represents the first serious discussion on the transfer of these methods and techniques between the differing temperature regimes, and is a major contribution to the future of both fields.

Aqueous Two-Phase Partitioning

Aqueous Two-Phase Partitioning
  • Author : Boris Y. Zaslavsky
  • Publisher :Unknown
  • Release Date :1994-11-15
  • Total pages :656
  • ISBN : 9780824794613
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Summary : Covers the fundamental principles of solute partitioning in aqueous two-phase systems, explains their important practical features, and furnishes methods of characterization. The information provided by the partition behaviour of a solute in an aqueous two-phase system is examined.

Enzyme Technology

Enzyme Technology
  • Author : Martin F. Chaplin,C. Bucke
  • Publisher :Unknown
  • Release Date :1990-08-31
  • Total pages :264
  • ISBN : 9780521348843
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Summary : This textbook provides a clear and authoritative guide to the principles and practice of the utilization of enzymes in biotechnology. Enzymes have increasingly important applications in the food and pharmaceutical industry, in medicine, and as biosensors.

Catalyst Separation, Recovery and Recycling

Catalyst Separation, Recovery and Recycling
  • Author : David J. Cole-Hamilton,Robert P. Tooze
  • Publisher :Unknown
  • Release Date :2006-10-12
  • Total pages :248
  • ISBN : 1402040873
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Summary : This book looks at new ways of tackling the problem of separating reaction products from homogeneous catalytic solutions. The new processes involve low leaching supported catalysts, soluble supports such as polymers and dendrimers and unusual solvents such as water, fluorinated organics, ionic liquids and supercritical fluids. The advantages of the different possibilities are discussed alongside suggestions for further research that will be required for commercialisation. Unlike other books, in addition to the chemistry involved, the book looks at the process design that would be required to bring the new approaches to fruition. Comparisons are given with existing processes that have already been successfully applied and examples are given where these approaches are not suitable. The book includes: - New processes for the separation of products from solutions containing homogeneous catalysts - Catalysts on insoluble or soluble supports – fixed bed catalysts - continuous flow or ultrafiltration - Biphasic systems: water - organic, fluorous - organic, ionic liquid – organic, supercritical fluids (monophasic or biphasic with water, organic or ionic liquid) - Comparisons with current processes involving atmospheric or low temperature distillation - Consideration of Chemistry and Process Design - Advantages and disadvantages of each process exposed - Consideration of what else is need for commercialisation

Metal Extraction with Ionic Liquids-Based Aqueous Two-Phase System

Metal Extraction with Ionic Liquids-Based Aqueous Two-Phase System
  • Author : Pius Dore Ola
  • Publisher :Unknown
  • Release Date :2018
  • Total pages :229
  • ISBN : 09876543XX
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Summary : Although ionic liquids (ILs) have excellent properties, their use as extractants in solvent extraction has not completely overcome the problems encountered when organic solvents are used. In conventional solvent extraction, a hydrophobic IL should be used to establish an IL/water biphasic system to replace the conventional organic solvent with ILs. However, the number of water-immiscible ILs is currently limited, and most contain fluorinated anions which are expensive and environmentally nonbenign. Furthermore, the use of an organic solvent as a diluent agent cannot be avoided because of the very high viscosity of ILs. An IL-based aqueous two-phase system (ATPS) can overcome these drawbacks. This chapter summarizes the use of an IL-based ATPS for the separation of metals used in various areas of human life.

Recoverable and Recyclable Catalysts

Recoverable and Recyclable Catalysts
  • Author : Maurizio Benaglia
  • Publisher :Unknown
  • Release Date :2009-08-31
  • Total pages :500
  • ISBN : 9780470682012
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Summary : Recoverable and Recyclable Catalysts There is continued pressure on chemical and pharmaceutical industries to reduce chemical waste and improve the selectivity and efficiency of synthetic processes. The need to implement green chemistry principles is a driving force towards the development of recoverable and recyclable catalysts. The design and synthesis of recoverable catalysts is a highly challenging interdisciplinary field combining chemistry, materials science engineering with economic and environmental objectives. Drawing on international research and highlighting recent developments, this book serves as a practical guide for both experts and newcomers to the field. Topics covered include: An introduction to the principles of catalyst recovery and recycling Catalysts on insoluble and soluble support materials Thermomorphic catalysts, self-supported catalysts and perfluorous catalytic systems The development of reusable organic catalysts Continuous flow and membrane reactors Each chapter combines principles with practical information on the synthesis of catalysts and strategies for catalyst recovery. The book concludes with a comparison of different catalytic systems, using case studies to illustrate the key features of each approach. Recoverable and Recyclable Catalysts is a valuable reference source for academic researchers and professionals from a range of pharmaceutical and chemical industries, particularly those working in catalysis, organic synthesis and sustainable chemistry.

Organic Electrochemistry

Organic Electrochemistry
  • Author : Mark Steven Workentin,Flavio Maran,Jean Michel Savéant
  • Publisher :Unknown
  • Release Date :2002
  • Total pages :162
  • ISBN : 9781566773317
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Summary :