Principles and Applications in Chemical Separations and Wastewater Treatment To order this title, and for more information, click here
Edited By Vladimir Kislik
Audience
Researchers in the area of membranes and their applications as well as chemical engineers, graduate students, consultants and other scientists
working in the area of membranes, wastewater, separations, pharmaceutical and water management
Contents Contents Introduction, General Description, Definitions and classification. Overview. 1. Introduction 2. General description 3. Terminology and classification 3.1. Classification according to module design configurations 3.1.1. Bulk liquid membrane (BLM) 3.1.2. Supported (SLM) or immobilized (ILM) liquid membrane 3.1.3. The emulsion liquid
membrane (ELM) 3.2. Classification according to transport mechanisms 3.2.1. Simple transport 3.2.2. Facilitated
or carrier-mediated transport 3.2.3. Coupled counter- or co-transport 3.2.4. Active transport 3.3. Classification
according to applications 3.4. Classification according to carrier type 3.5. Classification according to membrane support
type 4. Overview 5. References Carrier-facilitated coupled transport through liquid membranes: general
theoretical considerations and influencing factors 1. Introduction 2. Mechanisms and kinetics of carrier-facilitated
transport through liquid membranes 2.1. Models of the LM transport 2.2. Diffusion regime transport 2.2.1. Mathematical
descriptions of the diffusion transport 2.2.2. Determination of diffusion coefficients 2.3. Chemical reaction kinetics
transport regime 2.3.1. Mathematical descriptions for chemical reactions kinetics 2.3.2. Determination of kinetic parameters 2.3.2.1. Determination of – (Dimensionless parameter which relates diffusion limited transport to kinetically limited transport) 2.3.2.2. Determination of Activation Energy 2.4. Mixed diffusion-kinetic transport regime. 2.4.1. Identification of
the transport regime 2.4.2. Basic parameters of transport regime 2.4.3. Determination of transport parameters 2.4.3.1.
For BLM configurations 2.4.3.2. For SLM configurations 2.4.3.3. For ELM configurations 3. Driving forces of the
facilitated coupled transport 4. Selectivity at the carrier-facilitated transport 5. Process (module) design 6.
Parameters, affecting carrier-facilitated transport 6.1. Carrier properties 6.2. Solvent properties 6.3. Membrane
supports 6.4. Coupling ions. Anion Type 6.5. Influence of polarization and fouling 6.6. Influence of temperature 7. Summary: liquid membrane – hybrid technology, based on combination of several techniques 8. References
Supported liquid membranes and their modifications. Definition, classification, theory, stability, application and perspectives
1. Introduction 2. Supported liquid membrane separation technique – the principle 3. Transport mechanisms
and kinetics 3.1. Driving force and transport mechanisms 3.1.1. Simple permeation 3.1.2. Carrier-mediated (facilitated)
transport 3.2. Product recovery and enrichment 4. Selectivity 4.1. Transport selectivity 4.1.1. Selectivity
of the simple permeation process 4.1.2. Selectivity of carrier-mediated transport 4.2. Immunological trapping 4.3.
Stereoselectivity 5. Process and membrane units design 5.1. Commonly used supports 5.1.1. Polymeric support 5.1.2. Inorganic support 5.2. Organic solvents used in SLM 5.3. Ionic liquids as membrane phase 5.4. Membrane
units (module design) 6. Membrane stability 6.1. Factors influencing membrane stability 6.2. Degradation mechanisms 6.3. Improving SLM stability 6.4. Gel SLM 6.5. Polymer inclusion membranes 6.6. Integration of SLM with other
membrane processes 7. Supported liquid membranes application 7.1. Analytical applications 7.2. Applications of supported
liquid membrane technique in biotechnology and environmental science 7.3. Separation of stereoisomers 8. Future perspectives 9. Nomenclature 10. Abbreviations 11. References Emulsion liquid membranes: definitions and classification,
theories, module design, applications, new directions and perspectives 1. Introduction and Definitions 1.1
Description of Liquid Membranes 2. Mechanisms of Mass Transport in Liquid Membranes 2.1 Simple permeation mechanism 2.2 Facilitated transport mechanism 3. Modeling of Liquid Membranes 3.1 Film Models for Liquid Membrane Separations 3.2 Distributed Resistance Models for Liquid Membrane Separations 3.2.1 Advancing Front Model 3.2.2 Reversible
Reaction Model 3.3 Equilibrium extraction correlation 3.4 Advanced stripping model 3.5 Models for Continuous Operations 3.5.1 Multistage Mixer Settler Operations 3.5.2 Column Type Operations 4. ELM design considerations 4.1 Operational
aspects in emulsion liquid membranes 4.2 Preparation of emulsion liquid membranes 4.3 Emulsification and surfactants 4.4 Stripping agents 4.5 Extractant agents 4.6 Demulsification 4.7 Various parameters affecting extraction rate/permeability 4.7.1 Membrane thickness and its composition 4.7.2 Stirring rate 4.7.3 Feed phase solute concentration 4.7.4
Feed phase pH 4.7.5 Volume ratio of emulsion to external phase (treat ratio) 4.7.6 Internal stripping reagent concentration
and the volume fraction of the internal phase 4.7.7 Temperature 4.8 Hydrodynamics of liquid membranes 4.9 Leakage
and Stability in emulsion liquid membranes 4.10 Internal droplet size distribution 5. Applications of ELM technology 5.1 Metal Ion Extraction 5.2 Removal of Weak Acids/Bases 5.3 Separation of Inorganic Species 5.4 Hydrocarbon
Separations 5.5 Biochemical and Biomedical Applications 5.6 Preparation of Fine Particles using Emulsion Liquid Membrane 6. Liquid Membrane Industrial Plant 6.1 Zinc removal 6.2 Phenol removal 6.3 Cyanide removal 7.0 Summary 7.1 Advantages 7.2 Disadvantages 8.0 Future prospects References Bulk hybrid liquid membrane
processes with organic water-immiscible carriers (BOHLM). Application in chemical, biochemical, pharmaceutical and gas separations
1. Introduction and Definitions 2. Theory: Mass Transfer Mechanisms and Kinetics 2.1. Model for the HLM system 2.1.1. Mass transfer mechanisms and kinetics 2.1.2. Driving forces 2.2. Numerical model of competitive M 2+ /H +
counter-transport 2.3. The theory of hollow-fiber liquid membrane (HFLM) transport 3. Module Design for Separations 3.1. Preliminary design and optimization 3.1.1. Determination and optimization of the transport rate parameters 3.1.2.
Determination of the selectivity parameters 3.2. Membrane types used as a barrier 3.3. Carrier types used 3.4.
Examples of the BOHLM systems 3.4.1. Layered bulk liquid membrane modules 3.4.2. Rotating disc modules 3.4.3. Creeping
film modules 3.4.4. Hybrid liquid membrane (HLM) modules 3.4.5. Multimembrane hybrid systems (MHS) 3.4.6. Flowing
liquid membrane (FLM) modules 3.4.7. Hollow-fiber liquid membrane (HFLM) modules 3.4.8. Capillary liquid membrane modules 3.4.9. Membrane-based or nondispersive solvent extraction systems 4. Selected Applications 4.1. Metal separation-concentration 4.2. Biotechnological products recovery-separation 4.3. Pharmaceutical products recovery-separation 4.4. Organic compounds
separation, organic pollutants recovery at wastewaters treatment 4.5. Gas separations 4.6. Fermentation or enzymatic conversion-recovery-separation
(bioreactors) 4.7. Analytical applications 5. Summary Remarks 6. Nomenclature References Bulk hybrid liquid membrane processes with water-soluble (BAHLM) carriers. Application in chemical and biochemical separations
1. Introduction and Definitions 2. Theoretical Considerations 2.1. Background 2.2. Mass Transfer Mechanisms
and Kinetics 3. Module Design Considerations 3.1. Module design 3.1.1. Kinetic parameters determination and preliminary
optimization 3.1.2. Evaluation of selectivity 3.2. Polyelectrolytes as carriers in aqueous solutions 3.3. Ion-exchange
membranes as a barrier 3.4. Anomalous osmosis: ion exchange membranes, polyelectrolytes and osmosis 3.5. Example of preliminary
evaluation of the BAHLM system 4. Selected Applications 4.1. Metal ions, salts separation 4.1.1. Separation with
flat sheet ion exchange membranes as barriers 4.1.2. Separation with neutral hollow fiber units 4.2. Biotechnological separations:
carboxylic acids 4.3. Isomer separation by LM with water-soluble polymers 4.3.1. Separation by Hollow-fiber contained liquid
membrane permeator (HFCLMP) 4.3.2. Separation by Supported liquid membrane (SLM) 4.4. Carrier leakage 4.5. Membrane
lifetime 5. Potential applications 6. Summary Remarks 7. References Liquid Membrane in gas separations Introduction Theory Modules and design Stabilisation
of supported liquid membranes and novel configurations Gas separation applications 5.1
Production of oxygen-enriched air 5.2 Carbon dioxide separation from various gas streams 5.3
Olefin separation 5.4 Sulphur Dioxide separation from various gas streams 5.5 Hydrogen separation Conclusion and outlook References Application
of liquid membranes in wastewater treatment 1. Introduction 2. Two-phase partitioning bioreactors 2.1.
General description 2.2. Selection of the diluent 2.2.1. Biocompatibility 2.2.2. Bioavailability 2.2.3
Other criteria 2.3. Laboratory studies 2.4 Biodegradation mechanisms 2.5. Challenges to industrial applications 2.6. Industrial applications 2.7. Potential future developments 3. Other applications of the BLMs 4.
Emulsion liquid membranes (ELMs) 4.1. General description 4.2. Removal of metals from wastewater using ELMs 4.2.1.
Laboratory studies 4.2.2. Industrial applications and future trends 4.3. Removal of organic pollutants from wastewaters
using ELMs 4.3.1. Laboratory studies 4.3.2 Industrial applications and future trends 5. Supported liquid membranes
(SLMs) 5.1 General description 5.2. Removal of metals from wastewater using SLMs 5.2.1. Laboratory studies 5.2.2. Industrial applications and future trends 5.3. Removal of organic pollutants from wastewaters using SLMs 5.3.1.
Laboratory studies 5.3.2. Industrial applications and future trends 6. Polymer inclusion membranes 7. References Progress in liquid membrane science and engineering 1. Introduction 2. Fundamental studies
in LM science and engineering 3. Potential advances in SLM and selective membrane supports production technologies 3.1.
Facilitating membrane structures 3.2. Affinity SLM structures 3.3. New permselective materials 3.4. Improved thin
barrier multilayer laminates 3.5. Electrochemically-driven techniques (fuel cells) utilizing permselective membranes 4.
Catalytic membrane reactors 4.1. Immobilized catalytic membrane reactors 4.2. Electrochemical/catalytic membrane processes 5. Membrane-based gas separation 6. Advances in the ELM 6.1. Reversed-micellar separation 6.2. Integrated
LM processes 7. Advances in the BOHLM systems 7.1. Separation by membrane solvent extraction 8. Potential advances
in the BAHLM system applications 8.1. Drug separation from biochemical mixtures 8.2. BAHLM reactors: fermentation, catalysis
and separation with enrichment of valuable compounds 8.3. Desalination of wastewater and sea water 8.4. Integrated water-soluble
complexing/ filtration techniques 9. Potential directions in reducing concentration polarization and fouling 9.1. Manipulations
with flow 9.2. High shear devices 9.2.1. Rotating systems 9.2.2. Vibratory Hollow Fiber Membranes 9.2.3.
Enhancement by gas bubbles 9.3. Electric field enhancement 9.4. Ultrasound enhancement 10. Perspectives in membrane
technology applications References
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