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Colloid Deposition And Aggregation In The Presence Of Charged Collectors
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Book Synopsis Colloid Deposition and Aggregation in the Presence of Charged Collectors by : Behnam Sadri
Download or read book Colloid Deposition and Aggregation in the Presence of Charged Collectors written by Behnam Sadri and published by . This book was released on 2015 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: Colloidal-collector interactions are of fundamental importance in separation and filtration technologies. Here, the effect of collector grains on the behavior of colloidal particles was studied in two different experimental systems, i.e., column studies with stationary collectors and batch mixing to study hetero aggregation. Polystyrene latex beads, 100 nm diameter, and soda lime glass beads, with two different diameters of 212-300 $\mu$m and 710-1180 $\mu$m, were employed as colloidal particles and collector grains, respectively. Column experiments were performed to understand fate of colloidal particles in the porous medium. There are three major phenomena that control colloidal transport in porous media: Deposition, aggregation, and straining. These three distinct types of particle dynamics in porous media were studied by adjusting physicochemical properties of colloidal suspension. Furthermore, the effect of washing the collector beads was studied. Batch experiments, in which known amount of collector grains are added to colloidal suspension with known concentration, are designed to investigate more collector-colloids interaction role in transport dynamics of colloidal particles. UV-Vis spectroscopy and dynamic light scattering techniques are employed to understand both deposition and aggregation of colloidal particles in the vicinity of collector grains. Results obtained by dynamic light scattering revealed that aggregation is the predominant factor in this colloidal system. The possible sources for this type of behavior are also tackled by undertaking controlled experiments. In the batch experiments, ions leaching from the surface of glass beads, effect of mixing, and glass beads presence are confirmed as the three major reasons behind the aggregation of colloidal particles.
Book Synopsis Particle Deposition and Aggregation by : M. Elimelech
Download or read book Particle Deposition and Aggregation written by M. Elimelech and published by Butterworth-Heinemann. This book was released on 2013-10-22 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: Particle Deposition and Aggregation: Measurement, Modelling and Simulation describes how particle deposition and aggregation can be measured, modeled, and simulated in a systematic manner. It brings together the necessary disciplines of colloid and surface chemistry, hydrodynamics, experimental methods, and computational methods to present a unified approach to this problem. The book is divided into four parts. Part I presents the theoretical principles governing deposition and aggregation phenomena, including a discussion of the forces that exist between particles and the hydrodynamic factors that control the movement of the particles and suspending fluid. Part II introduces methods for modeling the processes, first at a simple level (e.g. single particle-surface, single particle-single particle interactions in model flow conditions) and then describes the simulation protocols and computation tools which may be employed to describe more complex (multiple-particle interaction) systems. Part III summarizes the experimental methods of quantifying aggregating and depositing systems and concludes with a comparison of experimental results with those predicted using simple theoretical predictions. Part IV is largely based on illustrative examples to demonstrate the application of simulation and modeling methods to particle filtration, aggregation, and transport processes. This book should be useful to graduates working in process and environmental engineering research or industrial development at a postgraduate level, and to scientists who wish to extend their knowledge into more realistic process conditions in which the fluid hydrodynamics and other complicating factors must be accommodated.
Book Synopsis Nordic Pulp & Paper Research Journal by :
Download or read book Nordic Pulp & Paper Research Journal written by and published by . This book was released on 2006 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Engineered Nanoparticles and the Environment by : Baoshan Xing
Download or read book Engineered Nanoparticles and the Environment written by Baoshan Xing and published by John Wiley & Sons. This book was released on 2016-10-10 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: Details the source, release, exposure, adsorption, aggregation, bioavailability, transport, transformation, and modeling of engineered nanoparticles found in many common products and applications Covers synthesis, environmental application, detection, and characterization of engineered nanoparticles Details the toxicity and risk assessment of engineered nanoparticles Includes topics on the transport, transformation, and modeling of engineered nanoparticles Presents the latest developments and knowledge of engineered nanoparticles Written by world leading experts from prestigious universities and companies
Book Synopsis Plant-Microbes-Engineered Nano-particles (PM-ENPs) Nexus in Agro-Ecosystems by : Pardeep Singh
Download or read book Plant-Microbes-Engineered Nano-particles (PM-ENPs) Nexus in Agro-Ecosystems written by Pardeep Singh and published by Springer Nature. This book was released on 2021-03-22 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a collection of cross-disciplinary research, with contributions addressing all key features of the plant/microbe/ENP nexus in agro-ecosystems. The uptake, transport and transformation of nanoparticles in plants have attracted more and more attention in the past several years. Especially, the impact of Engineered Nanoparticles (ENPs) on bioprocesses; low-, medium- and high-level dose responses in the microbial community of soil; and long-, medium- and short-term exposure responses, particularly microbial nitrogen transformations, are just a few of the aspects involved. Since ENPs are used in many industries, including cosmetics, agriculture, medicine, food technology and waste management, their transport through biogeochemical cycles is an important focus of many studies today. Specifically, ENP–microbe interaction has been analysed with regard to disease treatment for plants; it plays a vital role in disease inhibition by releasing metal ions that act through many pathways – e.g. reactive oxygen species (ROS) generation, DNA transformation and disruption of the cell cycle – to stop cell growth in the pathogen. Due to these properties, ENPs are also used as slow release or delayed release pesticides and fungicides, and as carrier systems for growth-promoting hormones. Despite their multiple uses in various industries, the negative effects of ENPs are still a major concern for the scientific community and consumers alike. For example, their transport to various food chains has been reported to have adverse effects. This raises a degree of doubt concerning a rapidly growing scientific field with major applications in many industries. From a sustainable development perspective and particularly to ensure food security in light of the uncertainty accompanying climate change, it is imperative to address this divergence by focusing on the plant/microbe/ENP nexus.
Book Synopsis Encyclopedia of Surface and Colloid Science by : P. Somasundaran
Download or read book Encyclopedia of Surface and Colloid Science written by P. Somasundaran and published by CRC Press. This book was released on 2006 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Petroleum Abstracts written by and published by . This book was released on 1993 with total page 1752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Abstracts of Papers by : American Chemical Society
Download or read book Abstracts of Papers written by American Chemical Society and published by . This book was released on 1994 with total page 1132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Polymer Colloids by : Rodney Priestley
Download or read book Polymer Colloids written by Rodney Priestley and published by Royal Society of Chemistry. This book was released on 2019-12-02 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Academic and industrial research around polymer-based colloids is huge, driven both by the development of mature technologies, e.g. latexes for coatings, as well as the advancement of new materials and applications, such as building blocks for 2D/3D structures and medicine. Edited by two world-renowned leaders in polymer science and engineering, this is a fundamental text for the field. Based on a specialised course by the editors, this book provides the reader with an invaluable single source of reference. The first section describes formation, explaining basic properties of emulsions and dispersion polymerization, microfluidic approaches to produce polymer-based colloids and formation via directed self-assembly. The next section details characterisation methodologies from microscopy and small angle scattering, to surface science and simulations. The final chapters close with applications, including Pickering emulsions and molecular engineering for materials development. A comprehensive guide to polymer colloids, with contributions by leaders in their respective areas, this book is a must-have for researchers and practitioners working across polymers, soft matter and chemical and molecular engineering.
Book Synopsis Chemistry of Interfaces by : J. Czarnecki
Download or read book Chemistry of Interfaces written by J. Czarnecki and published by . This book was released on 1988 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the 9th European Conference on Chemistry of Interfaces, Zacapane, Poland, 1986
Book Synopsis Environmental Nanotechnology, Applications and Impacts of Nanomaterials, Second Edition by : Mark Wiesner
Download or read book Environmental Nanotechnology, Applications and Impacts of Nanomaterials, Second Edition written by Mark Wiesner and published by McGraw Hill Professional. This book was released on 2016-10-14 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extensively revised and featuring new material, this timely, advanced resource covers the impacts of nanomaterials on organisms and ecosystems and their applications within industry. Cowritten by leaders of two of the most prominent research groups in the world considering the effects of nanomaterials on the environment, the second edition of Environmental Nanotechnology addresses the cutting-edge advances in this area. There is now much more known about the impacts of nanomaterials on organisms and ecosystems. Methods have been developed where there were few accepted procedures in the past. Thinking has evolved to consider the life cycle effects of nanomaterial production, and tools for risk forecasting are now under development. There has also been some experience among academics in using this book as the basis for new courses on Environmental Nanotechnology. Three new chapters cover the life cycle of nanomaterial fabrication and use and estimating nanomaterial exposure in the environment. A systematic discussion of the effects of nanomaterials on organisms and ecosystems is included, where the previous edition was largely limited to speculation. Features 75% new material New chapter on the life cycle aspects of nanomaterial fabrication and use Two new chapters on estimating nanomaterial exposure in the environment: implications that explore nanotoxicology; exposure estimation Contains end-of-chapter problems and questions
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2018 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Particle Deposition and Aggregation by : M. Elimelech
Download or read book Particle Deposition and Aggregation written by M. Elimelech and published by Elsevier. This book was released on 1998-08-07 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: Deposition and aggregation of small solid particles are encountered in many natural and industrial environments. Whether it be deposition of particles onto a surface immersed in a liquid suspension or aggregateion of individual particles, these processes are of enotmous significance. They are vital to the manufacture of magnetic tape, purification of water using packed bed filters, selective capture of solids, cells and macromolecular species, and many other applications. This book presents a unified approach to the measurement, modelling and simulation of these processes, bringing together the disciplines of colliod and surface chemistry, hydrodynamics, and experimental and computational methods. It will be required reading for graduates working in process and environmental engineering, postgraduates involved in industrial R & D and for all scientists wishing to gain a more detailed and realistic understanding of process conditions in these areas.
Book Synopsis Environmental Nanopollutants by : Joanna Szpunar
Download or read book Environmental Nanopollutants written by Joanna Szpunar and published by Royal Society of Chemistry. This book was released on 2022-11-14 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanopollutants are nanoparticles that have escaped into the environment and can include engineered nanoparticles as well as nanoparticles that are products of degradation (e.g. nanoplastics) or other processes. As many of these particles are only recently developed or described there is still a lot to learn about where they come from, where they end up and what risks they pose to health and the environment. Offering a wide overview of the most recent research on these emerging contaminants, from the investigation of their sources and fate to the analytical developments for their detection and analysis, this book gives the reader a full picture of the global research on engineered and natural nanoparticles in the environment. Taking a forward-looking perspective with chapters on new nanopollutants, regulatory direction and occurrence in different environmental compartments, this book is a great resource for anyone working in environmental chemistry, nanoscience or environmental regulation.
Book Synopsis Nanoscience and Nanotechnology by : Vicki H. Grassian
Download or read book Nanoscience and Nanotechnology written by Vicki H. Grassian and published by John Wiley & Sons. This book was released on 2008-12-19 with total page 495 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive book covers various aspects of nanoscience and nanotechnology and what is known about the potential environmental and health impacts. Divided into three main sections, the book addresses the toxicity of nanomaterials, fate and transport of nanomaterials in the environment, and occupational health aspects of nanotechonology.
Book Synopsis Revival: Environmental Particles (1993) by : Jacques Buffle
Download or read book Revival: Environmental Particles (1993) written by Jacques Buffle and published by CRC Press. This book was released on 2018-10-24 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental Particles, Volume 2 presents a review of the sampling, characterization, and behavior of particles in air, water, sediments, and solids. The book analyzes the formation, aggregation, transport, and conversion of particles, and evaluates the capabilities of physical and chemical analytic methods. It also discusses physicochemical properties of environmental particles, their spectroscopic characterization and colloid chemical properties, and how they affect biochemical and toxicological processes. This book is an important reference for environmental chemists, limnologists, oceanographers, air and soil scientists, analytical chemists, environmental engineers, students, and more.
Book Synopsis Protein Self-Assembly by : Jennifer J. McManus
Download or read book Protein Self-Assembly written by Jennifer J. McManus and published by Humana. This book was released on 2020-08-08 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume explores experimental and computational approaches to measuring the most widely studied protein assemblies, including condensed liquid phases, aggregates, and crystals. The chapters in this book are organized into three parts: Part One looks at the techniques used to measure protein-protein interactions and equilibrium protein phases in dilute and concentrated protein solutions; Part Two describes methods to measure kinetics of aggregation and to characterize the assembled state; and Part Three details several different computational approaches that are currently used to help researchers understand protein self-assembly. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Thorough and cutting-edge, Protein Self-Assembly: Methods and Protocols is a valuable resource for researchers who are interested in learning more about this developing field.
