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Electrofiltration of Biopolymers : Spatially Distributed Process Analysis

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ISBN: 9783866448452 Year: Pages: III, 215 p. DOI: 10.5445/KSP/1000027943 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Chemical Engineering
Added to DOAB on : 2019-07-30 20:01:58
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In biotechnology the current downstream processing trends are directed towards integrated, faster and more effective processes. Electrofiltration is a hybrid method which is a combination of membrane filtration and electrophoresis in a dead-end process. Spatially distributed process analysis together with the applicability of electrofiltration for technically important biopolymers such as PHB, chitosan and hyaluronic acid enables the implementation of the technology into industry.

Trends in Microextraction Techniques for Sample Preparation

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ISBN: 9783038427056 9783038427063 Year: Pages: 246 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Chemistry (General)
Added to DOAB on : 2018-01-24 14:09:38
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Micro-extraction techniques in sample preparation are gaining interest among analytical chemists as they comply with green analytical chemistry demands and ensure environmental protection and public safety. Savings in cost and time are considered as valuable benefits by using novel micro-extraction approaches in sample handling. Selectivity, sensitivity and lower detection limits are also included among the performance characteristics required to meet the legislation criteria.The target of this special issue is to present the state of art in microextraction sample preparation techniques. Modern, simple and efficient methods for preconcentration and separation are described for different analytes isolated from various matrices.

Trends in Microextraction Techniques for Sample Preparation

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ISBN: 97830384270569783038427063 Year: Pages: 246 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Chemistry (General)
Added to DOAB on : 2018-01-31 12:42:43
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Transport of Fluids in Nanoporous Materials

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ISBN: 9783038975298 9783038975304 Year: Pages: 260 DOI: 10.3390/books978-3-03897-530-4 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Chemistry (General) --- General and Civil Engineering --- Materials --- Chemical Engineering
Added to DOAB on : 2019-01-25 10:53:11
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Fluid transport in narrow pores is central to the design and optimization of nanoporous materials in industrial applications, such as catalysis, nanofluids, electrochemical batteries, and membrane separation. However, due to the strong potential field in nanopores, conventional models and methods have become inadequate for predicting the transport behavior of molecules confined in the pore space. In addition, the inherent complexity of the pore structure in nanomaterials requires consideration of local or nanoscale transport at the single pore level, and averaging over the macroscale, which further impedes the application and validation of the formulated mechanical models. To solve the problem of fluid transport in narrow nanopores beyond Knudsen limits, experimental characterizations should be combined to molecular simulations in order to probe the fluid movement under realistic conditions. This book provides comprehensive perspectives on the current research in the investigation of fluid transport processes in nanomaterials. The articles from leading scholars in this field are conveniently arranged according to three categories based on the approaches used in the papers: modeling and simulation, nanomaterial manipulation and characterization, and practical application. The 14 contributions not only demonstrate the importance of fluid behavior in different applications but also address the main theories and simulations to model the fluid transport behavior in nanoporous materials. This collection shows that “fluid transport in nanomaterials” remains a versatile and vibrant topic in terms of both theories and applications.

Novel Membrane Technologies for Traditional Industrial Processes

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ISBN: 9783038977902 9783038977919 Year: Pages: 196 DOI: 10.3390/books978-3-03897-791-9 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Physics (General)
Added to DOAB on : 2019-08-28 11:21:27
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Through reading this book, you will obtain information on: (1) the main problems in air separation and natural gas treatment by membrane separation and how to solve them; (2) processes involving membranes and new membrane materials for the more economical utilization of bio-resources; (3) energy selection and membrane development for more expedient and stable harnessing of the natural osmosis phenomenon; (4) many excellent contributions about catalytic membrane bioreactors; (5) how to fine-tune the arrangement of aquaporins (i.e., proteins identified in biological cells) to achieve superior water treatment efficiency.

Nanocelluloses: Synthesis, Modification and Applications

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ISBN: 9783039287840 / 9783039287857 Year: Pages: 142 DOI: 10.3390/books978-3-03928-785-7 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- Biotechnology
Added to DOAB on : 2020-06-09 16:38:57
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Nanocelluloses: Synthesis, Modification and Applications is a book that provides some recent enhancements of various types of nanocellulose, mainly bacterial nanocellulose, cellulose nanocrystals and nanofibrils, and their nanocomposites. Bioactive bacterial nanocellulose finds applications in biomedical applications, https://doi.org/10.3390/nano9101352. Grafting and cross-linking bacterial nanocellulose modification emerges as a good choice for improving the potential of bacterial nanocellulose in such biomedical applications as topical wound dressings and tissue-engineering scaffolds, https://doi.org/10.3390/nano9121668. On the other hand, bacterial nanocellulose can be used as paper additive for fluorescent paper, https://doi.org/10.3390/nano9091322, and for the reinforcement of paper made from recycled fibers, https://doi.org/10.3390/nano9010058. Nanocellulose membranes are used for up-to-date carbon capture applications, https://doi.org/10.3390/nano9060877. Nanocellulose has been applied as a novel component of membranes designed to address a large spectrum of filtration problems, https://doi.org/10.3390/nano9060867. Poly(vinyl alcohol) (PVA) and cellulose nanocrystals (CNC) in random composite mats prepared using the electrospinning method are widely characterized in a large range of physical chemical aspects, https://doi.org/10.3390/nano9050805. Similarly, physical chemical aspects are emphasized for carboxylated cellulose nanofibrils produced by ammonium persulfate oxidation combined with ultrasonic and mechanical treatment, https://doi.org/10.3390/nano8090640. It is extraordinary how nanocellulose can find application in such different fields. Along the same lines, the contributions in this book come from numerous different countries, confirming the great interest of the scientific community for nanocellulose.

Audio Signal Processing

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ISBN: 9783038423515 9783038423508 Year: Pages: X, 436 DOI: 10.3390/books978-3-03842-351-5 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Acoustics --- Electrical and Nuclear Engineering
Added to DOAB on : 2017-03-20 09:56:24
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Audio signal processing is a highly active research field where digital signal processing theory meets human sound perception and real-time programming requirements. It has a wide range of applications in computers, gaming, and music technology, to name a few of the largest areas. Successful applications include, for example, perceptual audio coding, digital music synthesizers, and music recognition software. The fact that music is now often listened to using headphones from a mobile device leads to new problems related to background noise control and signal enhancement. Developments in processor technology, such as parallel computing, are changing the way signal-processing algorithms are designed for audio.Topics covered, but were not limited to, the following areas:- Audio signal analysis- Music information retrieval- Enhancement and restoration of audio- Audio equalization and filtering- Audio effects processing- Sound synthesis and modeling- Audio coding- Sound capture and noise control- Sound source separation- Room acoustics and spatial audio- Signal processing for headphones and loudspeakers- High-performance computing in audio

Mixed Matrix Membranes

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ISBN: 9783039219766 9783039219773 Year: Pages: 146 DOI: 10.3390/books978-3-03921-977-3 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- Chemical Engineering
Added to DOAB on : 2020-01-07 09:08:26
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Mixed matrix membranes (MMMs) have attracted a large amount of interest in research laboratories worldwide in recent decades, motivated by the gap between a growing interest in developing novel mixed matrix membranes by various research groups and the lack of large-scale implementation. This Special Issue contains six publications dealing with the current opportunities and challenges of mixed matrix membranes development and applications to solve environmental and health challenges of the society of 21st century.

Analytical Heat Transfer

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ISBN: 9781439896891 Year: Pages: 326 DOI: 10.1201/b12870 Language: English
Publisher: Taylor & Francis
Subject: Mathematics --- Agriculture (General)
Added to DOAB on : 2020-09-23 00:06:22
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Filling the gap between basic undergraduate courses and advanced graduate courses, this text explains how to analyze and solve conduction, convection, and radiation heat transfer problems analytically. It describes many well-known analytical methods and their solutions, such as Bessel functions, separation of variables, similarity method, integral method, and matrix inversion method. Developed from the author's 30 years of teaching, the text also presents step-by-step mathematical formula derivations, analytical solution procedures, and numerous demonstration examples of heat transfer applications.

Optimal Control for Chemical Engineers

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ISBN: 9781439838952 Year: Pages: 305 DOI: 10.1201/b13045 Language: English
Publisher: Taylor & Francis
Subject: Agriculture (General)
Added to DOAB on : 2020-09-23 00:07:05
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This self-contained book gives a detailed treatment of optimal control theory that enables readers to formulate and solve optimal control problems. With a strong emphasis on problem solving, it provides all the necessary mathematical analyses and derivations of important results, including multiplier theorems and Pontryagin's principle. The text presents various examples and basic concepts of optimal control and describes important numerical methods and computational algorithms for solving a wide range of optimal control problems, including periodic processes.

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