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The Effects Of The Adsorption Of Metal Ions And Surfactant On The Interfacial Behavior Of Silicate Minerals
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Book Synopsis The Effects of the Adsorption of Metal Ions and Surfactant on the Interfacial Behavior of Silicate Minerals by : Picheng Huang
Download or read book The Effects of the Adsorption of Metal Ions and Surfactant on the Interfacial Behavior of Silicate Minerals written by Picheng Huang and published by . This book was released on 1996 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Adsorption at Natural Minerals/Water Interfaces by : Shaoxian Song
Download or read book Adsorption at Natural Minerals/Water Interfaces written by Shaoxian Song and published by Springer Nature. This book was released on 2020-10-10 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the latest research regarding the adsorption of heavy metals, toxic ions, and organic compounds at the interfaces of water/minerals, such as mineralogical characterizations, surface chemistry, and modification of natural minerals as adsorbents, as well as the adsorption of cations, anions, and organic compounds in water. Presenting findings by the authors and their co-workers, the book helps readers grasp the principals and benefits of using minerals for water treatment, as well as the advanced technologies in the area developed over last 30 years, especially the last 10 years.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2000 with total page 846 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 1000 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dekker Encyclopedia of Nanoscience and Nanotechnology by : James A. Schwarz
Download or read book Dekker Encyclopedia of Nanoscience and Nanotechnology written by James A. Schwarz and published by CRC Press. This book was released on 2004 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Interfacial Dynamics by : Nikola Kallay
Download or read book Interfacial Dynamics written by Nikola Kallay and published by CRC Press. This book was released on 2000-01-03 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt: An examination of the theoretical foundations of the kinetics and thermodynamics of solid-liquid interfaces, as well as state-of-the-art industrial applications, this book presents information on surface and colloidal chemical processes and evaluates vital analytical tools such as atomic force microscopy, surface force apparatus measurements, and p
Book Synopsis Adsorption on Silica Surfaces by : Eugene Papirer
Download or read book Adsorption on Silica Surfaces written by Eugene Papirer and published by CRC Press. This book was released on 2000-04-05 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Progresses from theoretical issues to applications. Contains a historical overview, in-depth considerations of various scenarios of silica adsorption, and results from the latest research. Invaluable for broad coverage of the expanding field of silica research."
Book Synopsis Study of the Adsorption Mechanisms of Surface Active Agents at the Silica-water Interface by Total Internal Reflection Raman Spectroscopy by : Zlata Simunic-Grenoble
Download or read book Study of the Adsorption Mechanisms of Surface Active Agents at the Silica-water Interface by Total Internal Reflection Raman Spectroscopy written by Zlata Simunic-Grenoble and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This study presents the results related to the adsorption behavior of one cationic surface active agent at the silica-water interface and demonstrates the capabilities of the Total Internal Reflection (TIR) Raman sampling configuration to provide spectroscopic information on a molecular level and simultaneously serve as an experimental platform for studying thermodynamic and kinetic properties of molecules at the silica-water interface. This Raman spectroscopic technique takes advantage of an "evanescent electric field" that is generated at the silica-water interface in TIR mode with limited, TIR geometry specific, probing depth. A minor portion of the research work was related to the adsorption of low vapor pressure solvent molecules from the gas phase at the silica-gas interface, followed by studies at the silica-water interface that proved that neither short alkyl chain hydrophilic ionic liquids nor anionic surfactants adsorb in excess at the silica-water interface. The primary goal of this work was to study and identify the adsorption mechanisms of a cationic surfactant at the silica-water interface. Spectral analysis and the relevant Raman signal intensities as function of surfactant concentration and surface excess provided the input data for evaluating the thermodynamic and kinetic parameters of benzyldimethylhexadecyl ammonium chloride. Adsorption isotherms were fitted according to the Langmuir model for the pure surfactant, and based on a modified Langmuir model for the surfactant with various concentrations of magnesium chloride, on bare and on hydrophobic silica. The results revealed enhancement of thermodynamic and kinetic properties of adsorption, as function of electrolyte concentration; the results from the 2nd part of the research work further emphasized the effects of a hydrophobic silica surface on surfactant adsorption behavior; the hydrophobic surface properties promoted different type of surfactant aggregation at the interface, with attenuation of the adsorption driving mechanisms, but with retention of the intrinsic surfactant properties found at the bare silica surface. Spectral analysis of the Raman scattering intensities as function of concentration and time indicated that no significant reorientation of surfactant molecules takes place at the silica-water interface and the most likely aggregate structure at the surface is spherical at the bare silica surface, and hemi-micellar or hemispherical at the modified hydrophobic silica surface. The study concludes that cationic surfactant adsorption mechanisms can be modulated by substrate properties, electrolyte type, and the concentration levels of both surfactant and electrolyte..
Book Synopsis Adsorption of Cationic Surfactants and Their Effects on the Interfacial Properties of Quartz by : Renhe Jia
Download or read book Adsorption of Cationic Surfactants and Their Effects on the Interfacial Properties of Quartz written by Renhe Jia and published by . This book was released on 2003 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Encyclopedia of Surface and Colloid Science - by : Arthur T. Hubbard
Download or read book Encyclopedia of Surface and Colloid Science - written by Arthur T. Hubbard and published by CRC Press. This book was released on 2002-07-18 with total page 1580 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive reference collects fundamental theories and recent research from a wide range of fields including biology, biochemistry, physics, applied mathematics, and computer, materials, surface, and colloid science-providing key references, tools, and analytical techniques for practical applications in industrial, agricultural, and forensic processes, as well as in the production of natural and synthetic compounds such as foods, minerals, paints, proteins, pharmaceuticals, polymers, and soaps.
Book Synopsis Kinetics of Metal Ion Adsorption from Aqueous Solutions by : Sotira Yiacoumi
Download or read book Kinetics of Metal Ion Adsorption from Aqueous Solutions written by Sotira Yiacoumi and published by Springer Science & Business Media. This book was released on 1995-06-30 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph is intended to provide a systematic presentation of theories concerning the adsorption of metal ions from aqueous solutions onto surfaces of natural and synthetic substances and to outline methods and procedures to estimate the extent and progress ofadsorption. As heavy metals and the problems associated with their transport and distribution are of serious concern to human health and the environment, the materials presented in this volume have both theoretical and practical significance. In writing this monograph, one ofour goals was to prepare a book useful to environmental workers and practicing engineers. For this reason, our presentation relies heavily on concepts commonly used in the environmental engineering literature. In fact, the volume was prepared for readers with a basic understanding of environmental engineering principles and some knowledge of adsorption processes. No prior familiarity with the ionic solute adsorption at solid-solution interfaces is assumed. Instead, introduction of the necessary background information was included. Generally speaking, metal ion adsorption may be studied in terms of three distinct but interrelated phenomena: surface ionization, complex formation, and the formation and presence of an electrostatic double layer adjacent to adsorbent surfaces. Analyses of these phenomena with various degrees of sophistication are xviii ADSORPTION OF METAL IONS FROM AQUEOUS SOLUTIONS presented, and their various combinations yield different models that describe metal ion adsorption.
Book Synopsis Developments in Surface Contamination and Cleaning, Vol. 1 by : Rajiv Kohli
Download or read book Developments in Surface Contamination and Cleaning, Vol. 1 written by Rajiv Kohli and published by William Andrew. This book was released on 2015-11-12 with total page 898 pages. Available in PDF, EPUB and Kindle. Book excerpt: Developments in Surface Contamination and Cleaning, Vol. 1: Fundamentals and Applied Aspects, Second Edition, provides an excellent source of information on alternative cleaning techniques and methods for characterization of surface contamination and validation. Each volume in this series contains a particular topical focus, covering the key techniques and recent developments in the area. This volume forms the heart of the series, covering the fundamentals and application aspects, characterization of surface contaminants, and methods for removal of surface contamination. In addition, new cleaning techniques effective at smaller scales are considered and employed for removal where conventional cleaning techniques fail, along with new cleaning techniques for molecular contaminants. The Volume is edited by the leading experts in small particle surface contamination and cleaning, providing an invaluable reference for researchers and engineers in R&D, manufacturing, quality control, and procurement specification in a multitude of industries such as aerospace, automotive, biomedical, defense, energy, manufacturing, microelectronics, optics and xerography. Provides best-practice guidance for scientists and engineers engaged in surface cleaning or those who handle the consequences of surface contamination Addresses the continuing trends of shrinking device size and contamination vulnerability in a range of industries as spearheaded by the semiconductor industry Presents state-of-the-art survey information on precision cleaning and characterization methods as written by a team of world-class experts in the field
Book Synopsis Surface Chemistry of Flotation by : Zhiyong Gao
Download or read book Surface Chemistry of Flotation written by Zhiyong Gao and published by Frontiers Media SA. This book was released on 2020-12-11 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
Book Synopsis Effect of Micelles on Flotation of Metal Ions by : Uriel Michael Oko
Download or read book Effect of Micelles on Flotation of Metal Ions written by Uriel Michael Oko and published by . This book was released on 19?? with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A study of the anionic surfactant, sodium dodecyl sulfate (SDS), and the dependency of the adsorption of divalent metal counterions such as copper and zinc at the air-water interface on its concentration in the solution, was undertaken in order to better understand the process of ion flotation. The study is divided into two broad categories, the first of which consists of the evaluation of the extent of aggregation of the surfactant molecules into micelles, and the effect of the divalent metal counterion concentration on this aggregation and on the critical concentration at which micelles start forming (cmc). This was accomplished using well established light scattering and surface tension techniques, which were also used in the investigation of the influence of surfactant concentration on the precipitation of lead dodecyl sulfate. The adsorption of divalent counterions at air-water interfaces comprised the second category of this research, and it was conducted using conventional equilibrium surface tension measurements and an established foaming technique. The following conclusions were drawn: 1) The adsorption of divalent metal counterions at air-water interfaces, and therefore, the flotation of these ions is largely independent of the type of divalent counterion. 2) Optimum flotation conditions for divalent counterions occur in surfactant solutions containing no micelles. Since the stability of the foam, a desirable feature in ion flotation, increases with the concentration of the surfactant, the best conditions for ion flotation occur at the cmc. 3) The competing adsorption of the divalent metal counterions at the micellar shear interface is primarily responsible for the decrease in the adsorption of these counterions at the air-water interface. 4) The competing adsorption of divalent lead counterions at the micellar shear interface is apparently responsible for the increase in the solubility of Pb(DS)2 in concentrated sodium dodecyl sulfate (SDS) solutions. It was possible to propose a theory, based on the potential calculations of the electrical double layers of flat and spherical surfaces, which correlated most of the observations made in this research"--Abstract, leaves ii-iii.
Book Synopsis Adsorption of Metals by Geomedia II by : Mark Barnett
Download or read book Adsorption of Metals by Geomedia II written by Mark Barnett and published by Elsevier. This book was released on 2007-12-17 with total page 495 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adsorption of Metals by Geomedia II serves as a needed resource for this topic which has received much attention during the past 25 years. The book provides an in-depth review of the field, followed by numerous chapters that document the current status of adsorption research for a variety of metals by geomedia ranging from individual minerals to sediments and soils. Adsorption mechanisms are detailed and precipitation is presented as a distinct sorption process. Virtually all factors affecting the extent of metal adsorption are examined, including the effects of selected anions, competition among metals, pH, metal concentration, loading, variable metal adsorption capacity, ionic strength, hydrogen exchange and stoichiometry, and solids concentration. A variety of adsorption models are briefly presented and some are used to extend laboratory studies to field sites. This is a compilation of 25 peer reviewed papers from among the 60+ platform and poster presentations of the symposium "Adsorption of Metals to Geomedia II" at the American Chemical Society (ACS) Meeting, March 27-29, 2006 in Atlanta, Georgia, USA. This symposium is a follow-up to the original held in 1996. * Learn the tools and techniques from leading academics and industry experts * One stop practical resource and guide for those in the field* Keep informed and up to date on all the latest advancements in technology
Book Synopsis Experimental and Mathematical Modelling of Metal Ion-humic Acid-silicate Minerals Interactions by : Ragiab Issa
Download or read book Experimental and Mathematical Modelling of Metal Ion-humic Acid-silicate Minerals Interactions written by Ragiab Issa and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A series of experiments were performed to study the sorption of humic acid and Eu3+ ion (at trace concentrations) on the minerals: montmorillonite, bentonite, diatomite and kaolinite in ternary systems. Humic acid and europium sorption were investigated as a function of humic acid concentration, ionic strength and pH. There was a strong uptake of humic acid on to the minerals with sorption increasing as humic acid concentration decreases. For montmorillonite, the uptake of discrete size fractions was also studied. It was found that the larger fractions were more strongly sorbing and were better able to retain Eu in solution. The ionic strength has an impact on Eu behaviour: in the absence of humic acid, sorption strength decreases, whilst in the presence of high concentrations of humic it increases. The sorption of Eu3+ increases from pH 2 to 5 in both the presence and absence of humic acid. Above pH 5, the Eu3+ showed different behaviour with and without humic acid, and as humic concentration became high (100 ppm), the Eu behaves in the same way as the humic. Bentonite is able to sorb humic acid and Eu3+ at any concentration expected in the environment, and shows the strongest sorption of any of the materials tested. Experiments confirmed that Eu is an excellent analogue for Am in these systems. The sorption of selected divalent and trivalent metal ions: Ni2+, Co2+, Zn2+, Cd2+, Eu3+ and Cr3+ on montmorillonite has been investigated in the micro-molar concentration range. In all cases, sorption strength increased with pH, and was consistently stronger for the tri-valent ions. In the presence of humic acid, there was some evidence for the enhancement of sorption. Uptake of metal ions (Co2+, Ni2+, Cd2+, Cr3+, Eu3+ and La3+) by natural and modified kaolinite was studied, and for all except Cr3+, it was found that kaolinite modified by manganese hydrothermal treatment gave the strongest sorption. A simple kinetic model was developed to simulate the experimental data for the sorption of humic acid and Eu3+ on the minerals. The model allows two humic binding sites on the mineral surface and two types of humic in solution, which can have different Eu3+ binding strengths. Metal ion surface complexation is modelled with a single kinetic equation. Ternary complexes are included in the model. The interaction of humic acid on the minerals can be fitted reasonably well. However, for the Eu3+ ion behaviour, although the model was able to give a reasonable fit to data for montmorillonite and bentonite, it could not reproduce the behaviour for kaolinite and diatomite.
