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Flocs In Water Treatment
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Book Synopsis Flocs in Water Treatment by : David H. Bache
Download or read book Flocs in Water Treatment written by David H. Bache and published by IWA Publishing. This book was released on 2007-11-08 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flocs in Water Treatment is the first of its kind - serving as a valuable aide-mémoire for scientists, process engineers and other professionals engaged in water treatment. The framework described in Flocs in Water Treatment can also be applied to aggregated solids found both in the natural environment, and within a broad range of industries. Flocs (aggregated solid matter) resulting from the combined influence of coagulation and flocculation play a vital role in solid-liquid separation processes. The design and operation of water treatment plants demands a proper understanding of the ways in which flocs affect treatment systems and how their properties can be manipulated to increase treatment efficiency. Flocs in Water Treatment provides a comprehensive account of the ways in which flocs are formed, their characterization, and how they behave in practice. Flocs are complex entities, whose properties defy easy description and measurement. In spite of this, the authors provide a clear and discerning account of the current state of knowledge; this is rooted in science and draws on many disciplines. Based on their experiences in research and the workings of full scale treatment plants, the authors offer candid advice on tasks such as the measurement of floc properties and guidance on problems involving the use of chemicals for controlling floc properties within treatment systems.
Book Synopsis Coagulation and Flocculation in Water and Wastewater Treatment by : John Bratby
Download or read book Coagulation and Flocculation in Water and Wastewater Treatment written by John Bratby and published by IWA Publishing. This book was released on 2006-10-15 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coagulation and Flocculation in Water and Wastewater Treatment provides a comprehensive account of coagulation and flocculation techniques and technologies in a single volume covering theoretical principles to practical applications. Thoroughly revised and updated since the 1st Edition it has been progressively modified and increased in scope to cater for the requirements of practitioners involved with water and wastewater treatment. A thorough gamut of treatment scenarios is attempted, including turbidity, color and organics removal, including the technical aspects of enhanced coagulation. The effects of temperature and ionic content are described as well as the removal of specific substances such as arsenic and phosphorus. Chemical phosphorus removal is dealt with in detail, Rapid mixing for efficient coagulant utilization, and flocculation are dealt with in specific chapters. Water treatment plant waste sludge disposal is dealt with in considerable detail, in an Appendix devoted to this subject. Invaluble for water scientists, engineers and students of this field, Coagulation and Flocculation in Water and Wastewater Treatment is a convenient reference handbook in the form of numerous examples and appended information.
Book Synopsis Handbook of Research on Resource Management for Pollution and Waste Treatment by : Affam, Augustine Chioma
Download or read book Handbook of Research on Resource Management for Pollution and Waste Treatment written by Affam, Augustine Chioma and published by IGI Global. This book was released on 2019-10-25 with total page 795 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is necessary to understand the extent of pollution in the environment in terms of the air, water, and soil in order for both humans and animals to live healthier lives. Poor waste treatment or pollution monitoring can lead to massive environmental issues, such as diminishing valuable resources, and cause a significant negative impact on society. Solutions, such as reuse of waste and sustainable waste management, must be explored to prevent these adverse effects. The Handbook of Research on Resource Management for Pollution and Waste Treatment is a collection of innovative research that examines waste and pollution treatment methods that can be adopted at local and international levels and examines appropriate resource management strategies for environmentally related issues. Featuring coverage on a wide range of topics such as soil washing, bioremediation, and runoff handling, this book is ideally designed for environmentalists, engineers, waste management professionals, natural resource regulators, environmental policymakers, scientists, academicians, researchers, and students seeking current research on viable resource management methods for the regeneration of their immediate environment.
Book Synopsis The Scientific Basis of Flocculation by : K.J. Ives
Download or read book The Scientific Basis of Flocculation written by K.J. Ives and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: K.J. Ives Professor of Public Health Engineering University College London The aggregation of small particles in liquids, to form flocs which are large enough to settle, or to be filtered, is a common operation in industrial processes, and water and wastewater treatment. This aggregation, given the general title flliocculation in this book, may be brought about by the addition of chemicals to reduce the stability of the original suspension, by neutralising electrical forces of repulsion, by the addition of chemicals (polymers) to link particles by bridging action, by the addition of chemicals which form particles to increase collision proba bilities, and by the input of energy leading to hydrodynamically induced collisions. The particles undergoing flocculation may range from colloidal in the nanometer size range, through micro scopic (micron) size, up to visible particles in the millimeter size range; that is a total size range of six orders of magnitude. Consequently the colloid chemist and the hydrodynamicist are both concerned with the interactions that take place, and to them the engineer must turn, to obtain the fundamental information ne cessary for the process design and its associated hardware.
Download or read book Flocculation written by Eleonora Vollan and published by . This book was released on 2018-10-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flocculation: Processes and Applications opens by approaching current trends in preparation and chemical modification of flocculant polysaccharides derived from plants and their flocculation performance. In addition, aspects including mechanisms of flocculation, chemical modification, the effect of physicochemical factors on flocculating activity, and recent applications of flocculant polysaccharides are reviewed.The authors go on to propose plant extracts which can efficiently perform coagulation and flocculation operations without the environmental risk of residual sludge with high concentrations of aluminum or iron.A separate study aimed to use the organic polymer from Opuntia cochenillifera cactus associated with the addition of aluminum sulfate to treat the water of a lentic body applying coagulation, flocculation, sedimentation and filtration processes.The authors propose that the design and operation of flocculators is crucial for the process efficiency andlargely dependent on the following features: floc characteristics, flocculation kinetics, and engineering aspects of flocculation.This compilation also discusses current knowledge on algal organic matter (AOM) flocculation, the impact of AOM on the removal of other compounds and links AOM composition and character to the efficiency of flocculation, the reaction conditions and mechanisms and finally, to the properties of flocs.Additionally, the performance of natural coagulant tanin compared to chemical coagulants aluminium sulphate and ferric chloride commonly used in the treatment of raw wastewater from tannery, by means of the physicochemical processes of coagulation, flocculation and sedimentation are examined.Through physical and chemical parameters, the efficiency of the coagulation/flocculation/sedimentation/filtration processes using organic coagulants in the treatment of water from a lentic system in Brazil are examined as well.Later, the physicochemical performance of chitosan and mesquite gum as coagulant flocculent agent for the treatment of residual water of the cutting and packing of meat products factory is presented.The brewing industry generates effluent that can cause serious environmental impacts when not treated properly due to high loads of organic matter in its composition. Thus, in view of the growing emergence of breweries in Brazil and consequent increase in effluent production, alternatives are sought for the auxiliary treatment using coagulants and their efficiency is analyzed.Urban development also contributes to increasing water pollution, therefore the authors perform water treatment (through the electrocoagulation process) to calculate the cost of the operation.Eutrophication is one of the most prevalent water quality problems in the United States as well as other parts of the world. It has led to excessive growth of algal blooms, which not only cause the death of aquatic plants and animals, but also produce high levels of toxins and odorous compounds. The authors examine the performance of the coagulation/flocculation process using aluminum and ferric salt coagulants for the removal of microcystins.One study focuses on the coagulation flocculation of young leachate from the Kenitra city landfill. Tests were carried out by adding ferric chloride mixed with three flocculants, namely: the chitosan, the Superfloc SD2065 and the Himoloc.The authors outline researches about combining assisted sedimentation with other operations such as oxidation processes in order to evaluate the solids removal of the complete designed wastewater treatment focusing on OMW treatment.The penultimate chapter focuses on the preparation and characterization of the chitosan based flocculant for removal of heavy metal ion prepared from chitosan by N-acylation with ethylenediaminetetraacetic acid monoanhydride.The concluding study aims to apply the Bratby method in the characterization of the turbidity removal process, through the determination of the kinetic aggregation coefficient (KA) of the flocs and the kinetic coefficient of rupture (KB) of the flocs.
Book Synopsis Coagulation and Flocculation in Water and Wastewater Treatment by :
Download or read book Coagulation and Flocculation in Water and Wastewater Treatment written by and published by . This book was released on 2008 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Water Treatment and Pollution Prevention by : Sanjay K. Sharma
Download or read book Advances in Water Treatment and Pollution Prevention written by Sanjay K. Sharma and published by Springer Science & Business Media. This book was released on 2012-06-19 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Water Treatment and Pollution Prevention explores the most up-to-date studies in the field of water pollution. More specifically, this book examines the causes and effects of this threatening phenomenon and identifies the preventive measures that can be taken to contain, and even to defeat, water pollution worldwide. The papers gathered in this volume pinpoint the need to implement greener water treatments to prevent water pollution from impacting ecosystems, human well-being and economies any further. They also successfully outline the processes that have been studied, optimized and developed so far to sustain our environment. Advances in Water Treatment and Pollution Prevention will represent a valuable resource to academic researchers, students, institutions, environmentalists, and anyone interested in environmental policies aimed at safeguarding both the quality and the quantity of water.
Book Synopsis Kinetics of Wastewater Treatment by : S. H. Jenkins
Download or read book Kinetics of Wastewater Treatment written by S. H. Jenkins and published by Elsevier. This book was released on 2013-10-22 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kinetics of Wastewater Treatment contains the proceedings of a post-conference seminar held at the Technical University of Denmark, Copenhagen in 1978. Separating 10 papers presented in the seminar as chapters, this book begins with the conceptual basis of calcium phosphate precipitation in a denitrifying biofilm. The influence of pH and calcium ions upon phosphorus transformations in biological wastewater treatment plants; sewage treatment by activated sludge; orthokinetic flocculation of phosphate precipitates in a multicomponent reactor with non-ideal flow; and kinetics of phosphorus transformations in aerobic and anaerobic environments are then described. This text also looks into the chemical floc formation in wastewater treatment; temperature dependency of microbial reactions; the influence of some environmental factors on floc kinetics; kinetics of biological flocs; and two step precipitation of calcium phosphates.
Book Synopsis Coagulation and Flocculation, Second Edition by : Bohuslav Dobias
Download or read book Coagulation and Flocculation, Second Edition written by Bohuslav Dobias and published by CRC Press. This book was released on 2005-03-30 with total page 882 pages. Available in PDF, EPUB and Kindle. Book excerpt: First published in 1993, Coagulation and Flocculation is a practical reference for the researchers in the field of the stabilization and destabilization of fine solid dispersions. By omitting chapters that remained unchanged from the first edition, the editors of this second edition completely update, rewrite, and expand upon all chapters to reflect a decade of the latest advances in both theoretical and application aspects of the field. The authors provide expanded material that includes dissociation from a solid surface with independent sites; improvements to the Gouy-Chapman model; electrical double layer, surface ionization, and surface heterogeneity; thin liquid films and modeling of a semi-batch process using microprocesses probabilities; and clay mineral intracrystalline reactions, applications, and gelation. New chapters cover homopolymers and their effect on colloid stability, including never before published figures and equations; the stability of suspensions in the presence of surfactants, polymers, and mixtures; and the flocculation and dewatering of fine-particle suspensions, emphasizing floc formation, growth, structure, and applications. The second edition of Coagulation and Flocculation effectively captures both the theoretical and application aspects of the latest advances in the evolving field of solid dispersions, suspensions, and mixtures.
Book Synopsis An Introduction to Water Treatment by Coagulation and Flocculation by : J. Paul Guyer, P.E., R.A.
Download or read book An Introduction to Water Treatment by Coagulation and Flocculation written by J. Paul Guyer, P.E., R.A. and published by Guyer Partners. This book was released on 2018-02-09 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introductory technical guidance for civil and environmental engineers interested in domestic water treatment. Here is what is discussed: 1. INTRODUCTION 2. COAGULANTS, POLYELECTROLYTES, AND COAGULANT AIDS 3. MIXING - GENERAL DISCUSSION AND THEORY 4. TREATABILITY TESTING 5. PRE-TREATMENT REQUIREMENTS.
Book Synopsis Coagulation and Flocculation in Water and Wastewater Treatment by : J. Bratby
Download or read book Coagulation and Flocculation in Water and Wastewater Treatment written by J. Bratby and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sludge Reduction Technologies in Wastewater Treatment Plants by : Paola Foladori
Download or read book Sludge Reduction Technologies in Wastewater Treatment Plants written by Paola Foladori and published by IWA Publishing. This book was released on 2010-07-31 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sludge Reduction Technologies in Wastewater Treatment Plants is a review of the sludge reduction techniques integrated in wastewater treatment plants with detailed chapters on the most promising and most widespread techniques. The aim of the book is to update the international community on the current status of knowledge and techniques in the field of sludge reduction. It will provide a comprehensive understanding of the following issues in sludge reduction: principles of sludge reduction techniques; process configurations; potential performance; advantages and drawbacks; economics and energy consumption. This book will be essential reading for managers and technical staff of wastewater treatment plants as well as graduate students and post-graduate specialists.
Book Synopsis Coagulation and Flocculation by : John Bratby
Download or read book Coagulation and Flocculation written by John Bratby and published by . This book was released on 1980 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Process Control of Activated Sludge Plants by Microscopic Investigation by : Dick H. Eikelboom
Download or read book Process Control of Activated Sludge Plants by Microscopic Investigation written by Dick H. Eikelboom and published by IWA Publishing. This book was released on 2000-06-30 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title is only available as a free copy to download from the WaterWiki. To download your free copy of the eBook, click here. The manual can be used independantly but when used in combination with the CD-ROM, it makes a unique tool for process operators to diagnose and solve operational problems. It is also a valuable educational and training package for universities and post experience courses. Click here for more details about the CD-ROM Process stability and final effluent quality largely depend upon the composition of the biomass in an activated sludge plant. Operational problems such as bulking and scum formation occur when the wrong micro-organisms are dominating the sludge population. Microscopic sludge investigation is therefore essential for process control and stable plant operation. The manual outlines the theoretical framework, extensively illustrated with full-colour micrographs. Contents Microscopy Microscopic sludge investigation Characteristics of activated sludge flocs Filamentous micro-organisms Protozoa and metazoa Conclusions of microscopic sludge investigation The activated sludge process Operational problems Bulking sludge Scum formation
Book Synopsis Upgrading Water Treatment Plants by : Renato Pinheiro
Download or read book Upgrading Water Treatment Plants written by Renato Pinheiro and published by CRC Press. This book was released on 2001-05-24 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Upgrading Water Treatment Plants is a comprehensive and practical guide providing the technical detail required to upgrade existing water treatment plants to increase processing efficiency and improve overall quality without the need for substantial investment into new physical plant installation. Based on practical experience and field tested methodology, this book is an invaluable reference for civil engineers, treatment plant managers and water scientists in consultancies, water utilities, government agencies and international organisations concerned with public health and water quality.
Book Synopsis Coagulation and Flocculation in Water and Wastewater Treatment by : John Bratby
Download or read book Coagulation and Flocculation in Water and Wastewater Treatment written by John Bratby and published by IWA Publishing. This book was released on 2016-04-15 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coagulation and Flocculation in Water and Wastewater Treatment provides a comprehensive account of coagulation and flocculation techniques and technologies in a single volume covering theoretical principles to practical applications. Thoroughly revised and updated this new edition has been progressively modified and increased in scope to cater for the requirements of practitioners involved with water and wastewater treatment. New topics in this new edition include : • activated sludge bulking and foaming control and enhanced bioflocculation; • algae removal and harvesting; • dissolved organic nitrogen (DON) removal; • inorganics removal; • turbidity and its measurement; • wastewater treatment by coagulation and chemically enhanced primary treatment (CEPT). The book presents the subject logically and sequentially from theoretical principles to practical applications. Successive chapters deal with, in turn, properties of materials present in waters and wastewaters; characteristics and types of coagulants commonly in use; mechanisms and practical implications of destabilization of waterborne material using metal coagulants and polyelectrolytes; considerations and requirements for coagulant addition at the rapid mixing stage; theoretical and practical considerations of flocculation; and details of experimental procedures for assessing primary coagulants, flocculant aids, sludge conditioners, and flocculation parameters. Numerous examples are included as appropriate. Treatment and disposal of sludges resulting from coagulation-flocculation related operations is dealt with in an Appendix. This important topic has been separated from the main text to avoid disturbing the continuum of the presentation. Coagulation and Flocculation in Water and Wastewater Treatment is a readable and useful resource for the water scientist and engineer. It is a convenient reference handbook providing numerous examples and appended information and it is a vital text for course material for undergraduate and postgraduate students.
Book Synopsis An Introduction to Water Treatment by Coagulation and Flocculation by : J. Paul Guyer
Download or read book An Introduction to Water Treatment by Coagulation and Flocculation written by J. Paul Guyer and published by Independently Published. This book was released on 2018-08-09 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication provides introductory technical guidance for environmental engineers, civil engineers and other professional engineers and construction management interested in water treatment by coagulation and flocculation methods. Here is what is discussed: 1. INTRODUCTION, 2. COAGULANTS, POLYELECTROLYTES, AND COAGULANT AIDS, 3. MIXING - GENERAL DISCUSSION AND THEORY, 4. TREATABILITY TESTING, 5. PRE-TREATMENT REQUIREMENTS
