The Influence of Natural Organic Matter on the Coagulation of Particles PDF Download
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Author: Tesfaye Regassa
Publisher: Verlag Dr. Koster
ISBN: 9783895741883
Category : Organic water pollutants
Languages : en
Pages : 95
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Book Description
Author: Tesfaye Regassa
Publisher: Verlag Dr. Koster
ISBN: 9783895741883
Category : Organic water pollutants
Languages : en
Pages : 95
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Book Description
Author: I. H. Suffet
Publisher:
ISBN:
Category : Language Arts & Disciplines
Languages : en
Pages : 906
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Book Description
Here is a cohesive compilation of recent research results into the many aspects of water purification. Major sections cover the characterization and environmental impact of aquatic humic substances, their reactions in natural water and sediments, and their influences on water treatment. Topics examined include hazardous waste chemicals, water solubility enhancement, sorption, metal speciation, and photochemistry. Specific types of treatment processes are also described.
Author: Milton Kerker
Publisher: Elsevier
ISBN: 1483225240
Category : Science
Languages : en
Pages : 685
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Book Description
The Scattering of Light and other Electromagnetic Radiation covers the theory of electromagnetic scattering and its practical applications to light scattering. This book is divided into 10 chapters that particularly present examples of practical applications to light scattering from colloidal and macromolecular systems. The opening chapters survey the physical concept of electromagnetic waves and optics. The subsequent chapters deal with the theory of scattering by spheres and infinitely long cylinders. These topics are followed by discussions on the application of light scattering to the determination of the size distribution of colloidal particles. The last chapters are devoted to the Rayleigh-Debye scattering and the scattering by liquids, as well as the concept of anisotropy. These chapters also describe the effect upon light scattering of partial orientation of anisotropic particles in electrical and magnetic fields and in viscous flow. This book is of value to physical chemists and physical chemistry researchers, teachers, and students.
Author: John Bratby
Publisher: IWA Publishing
ISBN: 1843391066
Category : Science
Languages : en
Pages : 421
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Book Description
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.
Author: Mika Sillanpää
Publisher: Butterworth-Heinemann
ISBN: 0128017198
Category : Technology & Engineering
Languages : en
Pages : 383
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Book Description
Approximately 77 percent of the freshwater used in the United States comes from surface-water sources and is subject to natural organic matter contamination according to the United States Geological Survey. This presents a distinct challenge to water treatment engineers. An essential resource to the latest breakthroughs in the characterization, treatment and removal of natural organic matter (NOM) from drinking water, Natural Organic Matter in Waters: Characterization and Treatment Methods focuses on advance filtration and treatment options, and processes for reducing disinfection byproducts. Based on the author's years of research and field experience, this book begins with the characterization of NOM including: general parameters, isolation and concentration, fractionation, composition and structural analysis and biological testing. This is followed by removal methods such as inorganic coagulants, polyelectrolytes and composite coagulants. Electrochemical and membranes removal methods such as: electrocoagulation, electrochemical oxidation, microfiltration and ultrafiltration, nanofiltration and membrane fouling. - Covers conventional as well as advanced NOM removal methods - Includes characterization methods of NOM - Explains removal methods such as: removal by coagulation, electrochemical, advanced oxidation, and integrated methods
Author: George A. McCoy
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 520
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Book Description
Author: Mika Sillanpää
Publisher: Butterworth-Heinemann
ISBN: 0128242752
Category : Technology & Engineering
Languages : en
Pages : 374
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Book Description
Natural Organic Matter in Water: Characterization, Treatment Methods, and Climate Change Impact, Second Edition focuses on advanced filtration and treatment options, as well as processes for reducing disinfection by-products, making it an essential resource on the latest breakthroughs in the characterization, treatment and removal of natural organic matter (NOM) from drinking water. Based on the editor's years of research and field experience, the book covers general parameters, isolation and concentration, fractionation, composition and structural analysis, and biological testing, along with removal methods such as inorganic coagulants, polyelectrolytes and composite coagulants. In addition, sections cover electrochemical and membranes removal methods such as electrocoagulation, electrochemical oxidation, microfiltration and ultrafiltration, nanofiltration, and membrane fouling. This book is a valuable guide for engineers and researchers looking to integrate methods, processes and technologies to achieve desired affects. - Provides a summary of up-to-date information surrounding NOM - Presents enhanced knowledge on treatment strategies for the removal of NOM - Covers conventional as well as advanced NOM removal methods
Author: Sabrina Anne Diemert
Publisher:
ISBN: 9780494856673
Category :
Languages : en
Pages :
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Book Description
Author: George R. Aiken
Publisher:
ISBN: 9780894646348
Category : Humic acid.
Languages : en
Pages : 708
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Book Description
Author: Jonathan Philip Herrboldt
Publisher:
ISBN:
Category :
Languages : en
Pages : 140
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Book Description
Fluoride occurs at elevated concentrations naturally in surface and ground waters around the world. If consumed at low concentrations in drinking water ( 1.5 mg/L), fluoride is shown to reduce the occurrence of dental caries and the Centers for Disease Control and Prevention named fluoridation of public water systems one of the 10 Great Public Health Achievements of the 20th Century (CDC, 1999). However, prolonged exposure to high concentrations of fluoride ( 2.0 mg/L) causes adverse health effects to teeth and bones. For this reason the United State Environmental Protection Agency (USEPA) enacted a maximum contaminant level (MCL) for fluoride at 4.0 mg/L. This rule is currently under review following a recent risk assessment and may be lowered. If the MCL were lowered, water systems previously meeting treatment standards would suddenly find themselves out of compliance and will need to implement additional treatment to meet the new standard. Defluoridation by alum coagulation is a proposed defluoridation method. However, the interaction between fluoride and natural organic matter (NOM) and their effects on the particle size distribution of aluminum precipitates is not well understood. Because the particle size distribution of aluminum precipitates is an important parameter in the efficiency of sedimentation and filtration systems, a thorough understanding of these interactions and their potential effect on sedimentation and filtration is needed to inform the implementation of defluoridation by alum coagulation. This work utilized a series of jar tests on synthetic surface water to determine the effect of fluoride and NOM on the particle size distribution of aluminum precipitates. It was found that fluoride caused the volume distribution of aluminum precipitates to shift toward smaller particle sizes. However, NOM caused the formation of a larger number of aluminum precipitates, which resulted in a dramatic increase in the total volume of precipitates. When both fluoride and NOM were in the system, a combination of the two effects was observed: the volume distribution shifted toward smaller particle sizes but the peak of the distribution shifted toward a greater volume, indicating both smaller particles were being formed and a greater overall volume of particles precipitated.
