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Author :
Publisher :
ISBN 13 :
Total Pages : 864 pages
Book Rating : 4.3/5 (91 download)
Download or read book Water Research written by and published by . This book was released on 1991 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bruno Langlais
Publisher : Routledge
ISBN 13 : 1351426133
Total Pages : 602 pages
Book Rating : 4.3/5 (514 download)
Download or read book Ozone in Water Treatment written by Bruno Langlais and published by Routledge. This book was released on 2019-07-16 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the advent of the Safe Drinking Water Act Amendments of 1986, many water utilities are reexamining their water treatment practices. Upcoming new regulations on disinfection and on disinfection by-products, in particular, are the primary driving forces for the big interest in ozone. It appears that ozone, with its strong disinfection capabilities, and apparently lower levels of disinfection by-products (compared to other disinfectants), may be the oxidant/disinfectant of choice. Many utilities currently using chlorine for oxidation may need to switch due to chlorine by-product concerns. Utilities using chloramines may need to use ozone to meet CT requirements. This book, prepared by 35 international experts, includes current technology on the design, operation, and control of the ozone process within a drinking water plant. It combines almost 100 years of European ozone design and operating experience with North American design/operations experience and the North American regulatory and utility operational environment. Topics covered include ozone chemistry, toxicology, design consideration, engineering aspects, design of retrofit systems, and the operation and economics of ozone technology. The book contains a "how to" section on ozone treatability studies, which explains what information can be learned using treatability studies, at what scale (bench, pilot, or demonstration plant), and how this information can be used to design full-scale systems. It also includes valuable tips regarding important operating practices, as well as guidance on retrofits and the unique issues involved with retrofitting the ozone process. With ozone being one of the hottest areas of interest in drinking water, this book will prove essential to all water utilities, design engineers, regulators, and plant managers and supervisors.
Author : Frank C. Hawthorne
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 1501508970
Total Pages : 716 pages
Book Rating : 4.5/5 (15 download)
Download or read book Spectroscopic Methods in Mineralogy and Geology written by Frank C. Hawthorne and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-12-17 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 18 of Reviews in Mineralogy provides a general introduction to the use of spectroscopic techniques in Earth Sciences. It gives an Introduction To Spectroscopic Methods and covers Symmetry, Group Theory And Quantum Mechanics; Spectrum-Fitting Methods; Infrared And Raman Spectroscopy; Inelastic Neutron Scattering; Vibrational Spectroscopy Of Hydrous Components; Optical Spectroscopy; Mossbauer Spectroscopy; MAS NMR Spectroscopy Of Minerals And Glasses; NMR Spectroscopy And Dynamic Processes In Mineralogy And Geochemistry; X-Ray Absorption Spectroscopy: Applications In Mineralogy ind Geochemistry; Electron Paramagnetic Resonance; Auger Electron And X-Ray Photelectron Spectroscopies and Luminescence, X-Ray Emission and New Spectroscopies. The authors of this volume presented a short course, entitled "Spectroscopic Methods in Mineralogy and Geology", May 13-15, 1988, in Hunt Valley, Maryland.
Author : W.A. Steele
Publisher : Elsevier
ISBN 13 : 0080531199
Total Pages : 909 pages
Book Rating : 4.0/5 (85 download)
Download or read book Equilibria and Dynamics of Gas Adsorption on Heterogeneous Solid Surfaces written by W.A. Steele and published by Elsevier. This book was released on 1996-12-17 with total page 909 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fact that the surfaces of real solids are geometrically distorted and chemically non-uniform has long been realized by the scientists investigating various phenomena occurring on solid surfaces. Even in the case when diffraction experiments show a well-organized bulk solid structure, the surface atoms or molecules will usually exhibit a much smaller degree of surface organization. In addition to the results obtained from electron diffraction, this can be seen in the impressive images obtained from STM and AFM microscopies. This geometric and chemical disorder is the source of the energetic heterogeneity for molecules adsorbing on real solid surfaces. Hundreds of papers have been published showing that this heterogeneity is a major factor in determining the behaviour of real adsorption systems.Studies of adsorption on energetically heterogeneous surfaces have proceeded along three somewhat separate paths, with only minor coupling of ideas. One was the study of adsorption equilibria on heterogeneous solid surfaces. The second path was the study of time evolution of adsorption processes such as surface diffusion or adsorption-desorption kinetics on heterogeneous surfaces, and the third was the study of adsorption in porous solids, or more generally, adsorption in systems with limited dimensions. The present monograph is a first attempt to provide a synthesis of the ways that surface geometric and energetic heterogeneities affect both the equilibria and the time evolution of adsorption on real solids. The book contains 17 chapters written by a team of internationally recognized specialists, some of whom have already published books on adsorption.
Author : Mexent Zue Mve
Publisher : GRIN Verlag
ISBN 13 : 3668701903
Total Pages : 199 pages
Book Rating : 4.6/5 (687 download)
Download or read book Préparation et caractérisation des charbons actifs obtenus à partir des coques de noix de Coula edulis written by Mexent Zue Mve and published by GRIN Verlag. This book was released on 2018-05-14 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thèse de Doctorat de l’année 2016 dans le domaine Chimie - Généralités, Université des sciences et techniques de Masuku (Université des Sciences et Techniques de Masuku de Franceville-Gabon, Ecole Doctorale des Sciences Fondamentales et Appliquees), langue: français, résumé: Ce travail a eu pour thème central les charbons actifs, un adsorbant jouant un rôle fondamental dans l’élimination en solution aqueuse des cations Mn (II) et Al (III), puis des substances humiques. Dans le souci de valoriser les déchets des coques de noix de coula edulis (noisetier d’Afrique), la première phase de cette étude a été consacrée à la préparation et à la caractérisation physico-chimique des charbons actifs. Les propriétés surfaciques étudiées à l'aide de l’Infrarouge à Transmission de Fourier (IRTF), titrage de Boehm, la détermination du pHPCN et l'évaluation des surfaces spécifiques par adsorption de l'iode, le bleu de méthylène et/ou l'acide acétique. Les résultats des spectres infrarouges ont montré respectivement la présence des groupements -C-C-, -C-O-, -C = C- et -C = O. La titration de Boehm a prouvé que l'acidité totale était supérieure à basicité totale. Les valeurs de pH de charge zéro ont été inclus entre 2 et 3,5. Les surfaces spécifiques obtenues par adsorption diminué dans l'ordre de l'iode, l'acide acétique et le bleu de méthylène classant par ordre de prépondérance les micro, méso et macro pores sur leurs surfaces. Enfin l utilisation des charbons actifs obtenus pour éliminer les cations Mn (II) et Al (III), puis les substances humiques en solution aqueuse en mode batch en faisant varier les paramètres tels que le pH, la concentration initiale, le temps de contact, la température, la masse du charbon actif et sa granulométrie. Ces résultats ont révélé que l'adsorption des ions Mn (II), Al (III) et des substances humiques est fortement dépendante du pH. Les données expérimentales ont montré que l’adsorption des ions Mn (II) est suivie par les isothermes de Langmuir et de Freundlich et celle des ions Al (III) et des substances humiques par l’isotherme de Langmuir. L’étude cinétique a montré que les réactions d’adsorption des ions Mn (II) et Al (III) sont suivies par le modèle du pseudo-second ordre, alors que celle des substances humiques est suivie par le modèle du pseudo-premier ordre et caractérisée par un mécanisme de transfert de masse externe. L’étude thermodynamique a montré que l’adsorption des ions Mn (II) et des substances humiques est spontanée, l’adsorption des ions manganèse est endothermique sur le charbon actif, CAo, et exothermique sur les charbons actifs, CAH et CAZ, alors que celle des substances humique est endothermique à la surface de chaque charbon actif.
Author : Ralph Early Grim
Publisher :
ISBN 13 : 9780317282177
Total Pages : pages
Book Rating : 4.2/5 (821 download)
Download or read book Clay Mineralogy written by Ralph Early Grim and published by . This book was released on 1968 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christian Segebade
Publisher :
ISBN 13 :
Total Pages : 730 pages
Book Rating : 4.:/5 (44 download)
Download or read book Photon Activation Analysis written by Christian Segebade and published by . This book was released on 1987 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Roop Chand Bansal
Publisher : CRC Press
ISBN 13 : 1420028812
Total Pages : 498 pages
Book Rating : 4.4/5 (2 download)
Download or read book Activated Carbon Adsorption written by Roop Chand Bansal and published by CRC Press. This book was released on 2005-05-24 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: High surface area, a microporous structure, and a high degree of surface reactivity make activated carbons versatile adsorbents, particularly effective in the adsorption of organic and inorganic pollutants from aqueous solutions. Activated Carbon Adsorption introduces the parameters and mechanisms involved in the activated carbon adsorption
Author :
Publisher : Presses Univ. Franche-Comté
ISBN 13 : 9782848671970
Total Pages : 360 pages
Book Rating : 4.6/5 (719 download)
Download or read book Traitement et épuration des eaux industrielles polluées written by and published by Presses Univ. Franche-Comté. This book was released on 2007 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : US Army Corps of Engineers
Publisher :
ISBN 13 : 9781410219886
Total Pages : 108 pages
Book Rating : 4.2/5 (198 download)
Download or read book Adsorption Design Guide written by US Army Corps of Engineers and published by . This book was released on 2005-01-01 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides practical guidance for the design of liquid and vapor phase devices for the adsorption of organic chemicals. The adsorptive media addressed include granular activated carbon (GAC) and other alternative adsorption carbon media, such as powdered activated carbon (PAC) and non-carbon adsorbents. Adsorption Design Guide addresses various adsorption media types, applicability, use of various adsorption process technologies, equipment and ancillary component design, availability, advantages, disadvantages, regeneration methods, costs, and safety considerations. The equipment can be installed alone or as part of an overall treatment train, based on site-specific factors. Carbon, in various forms, has been used to adsorb contaminants for some time. The first documented use of carbon as an adsorbent was for medical purposes, in the form of wood char in 1550 B.C. The first documented use for water treatment was in 200 B.C. "to remove disagreeable tastes." In 1785 experimental chemists learned that carbon could accumulate unwanted contaminants from water. Carbon in the activated form was first used as a filter medium in the late 1800s. The understanding of carbon adsorption progressed in the late 19th and early 20th centuries, when vapor phase organic carbon was developed and given its first widespread use as a defense against gas warfare during WWI. The first GAC filters used for water treatment were installed in Europe in 1929. The first GAC filters for water treatment in the United States were installed in Bay City, Michigan, in 1930. In the 1940s, GAC was found to be an efficient purification and separation technology for the synthetic chemical industry. By the late 1960sand early 1970s, GAC was found to be very effective at removing a broad spectrum of synthetic chemicals from water and gases (i.e., from the vapor phase).
Author : Sotira Yiacoumi
Publisher : Springer Science & Business Media
ISBN 13 : 1461523192
Total Pages : 239 pages
Book Rating : 4.4/5 (615 download)
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 2013-11-27 with total page 239 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.
Author : Richard A. Dobbs
Publisher :
ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.3/5 (121 download)
Download or read book Carbon Adsorption Isotherms for Toxic Organics written by Richard A. Dobbs and published by . This book was released on 1980 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Detlef R. U. Knappe
Publisher : IWA Publishing
ISBN 13 : 1843398419
Total Pages : 100 pages
Book Rating : 4.8/5 (433 download)
Download or read book Effects of Activated Carbon Characteristics on Organic Contaminant Removal written by Detlef R. U. Knappe and published by IWA Publishing. This book was released on 2004-01-01 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many water treatment plants need to remove objectionable trace organic compounds, and activated carbon adsorption is often the best available technology. Utilities face the challenge of having to choose from a large variety of activated carbons, and iodine number or BET surface area values are often utilized in the selection process. Although neither parameter correlates well with adsorption capacities, alternative activated carbon selection criteria based on fundamental adsorbent and adsorbate properties are lacking to date. The first objective of this research was to systematically evaluate the effects of activated carbon pore structure and surface chemistry on the adsorption of two common drinking water contaminants: the relatively polar fuel oxygenate methyl tertiary-butyl ether (MTBE) and the relatively nonpolar solvent trichloroethene (TCE). The second objective was to develop simple descriptors of activated carbon characteristics that facilitate the selection of suitable adsorbents for the removal of organic contaminants from drinking water.Originally published by AwwaRF for its subscribers in 2003 This publication can also be purchased and downloaded via Pay Per View on Water Intelligence Online - click on the Pay Per View icon below
Author : Robert W. Coughlin
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.3/5 (91 download)
Download or read book Effect of Surface Groups on Adsorption of Pollutants written by Robert W. Coughlin and published by . This book was released on 1970 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vernon L. Snoeyink
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (31 download)
Download or read book Activated Carbon Adsorption of Trace Organic Compounds written by Vernon L. Snoeyink and published by . This book was released on 1977 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jerry. R. Perrich
Publisher : CRC Press
ISBN 13 : 1351077910
Total Pages : 260 pages
Book Rating : 4.3/5 (51 download)
Download or read book Activated Carbon Adsorption For Wastewater Treatment written by Jerry. R. Perrich and published by CRC Press. This book was released on 2018-01-18 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is a guide to the state of the art of activated carbon adsorption technology as applied to wastewater treatment. This book surveys this body of knowledge and is a detailed description of current technology.
Author : Samuel D. Faust
Publisher : Elsevier
ISBN 13 : 148316263X
Total Pages : 522 pages
Book Rating : 4.4/5 (831 download)
Download or read book Adsorption Processes for Water Treatment written by Samuel D. Faust and published by Elsevier. This book was released on 2013-10-22 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adsorption Processes for Water Treatment discusses the application of adsorption in water purification. The book is comprised of 10 chapters that detail the carbon and resin adsorptive processes for potable water treatment. The text first covers the elements of surface chemistry and then proceeds to discussing adsorption models. Chapter 3 tackles the kinetics of adsorption, while Chapter 4 deals with batch systems and fixed fluid beds. Next, the book talks about the physical and chemical properties of carbon. The next two chapters discuss the adsorption of organic compounds and the removal of inorganic compounds, respectively. The eighth chapter presents operational, pilot plant, and case studies. Chapter 9 discusses the biological activated carbon treatment of drinking water, and Chapter 10 covers the adsorption of macroreticular resins. The book will be of great use to both researchers and professionals involved in the research and development of water treatment process.
