Iron and Manganese Removal Handbook PDF Download
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Author: Elmer O. Sommerfeld
Publisher:
ISBN:
Category : Computers
Languages : en
Pages : 180
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Book Description
The presence of iron and manganese in drinking water are generally not hazardous to health. However, there are few things are more alarming to customers than seeing red water or black water come out of their faucets. This book offers an analysis of current and emerging methods for iron and manganese removal as well as guidance for handling residuals. Using firsthand field experience and detailed case studies, the authors explain the processes to follow.
Author: Elmer O. Sommerfeld
Publisher:
ISBN:
Category : Computers
Languages : en
Pages : 180
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Book Description
The presence of iron and manganese in drinking water are generally not hazardous to health. However, there are few things are more alarming to customers than seeing red water or black water come out of their faucets. This book offers an analysis of current and emerging methods for iron and manganese removal as well as guidance for handling residuals. Using firsthand field experience and detailed case studies, the authors explain the processes to follow.
Author: Institute of Medicine
Publisher: National Academies Press
ISBN: 9780309072793
Category : Medical
Languages : en
Pages : 804
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Book Description
This volume is the newest release in the authoritative series issued by the National Academy of Sciences on dietary reference intakes (DRIs). This series provides recommended intakes, such as Recommended Dietary Allowances (RDAs), for use in planning nutritionally adequate diets for individuals based on age and gender. In addition, a new reference intake, the Tolerable Upper Intake Level (UL), has also been established to assist an individual in knowing how much is "too much" of a nutrient. Based on the Institute of Medicine's review of the scientific literature regarding dietary micronutrients, recommendations have been formulated regarding vitamins A and K, iron, iodine, chromium, copper, manganese, molybdenum, zinc, and other potentially beneficial trace elements such as boron to determine the roles, if any, they play in health. The book also: Reviews selected components of food that may influence the bioavailability of these compounds. Develops estimates of dietary intake of these compounds that are compatible with good nutrition throughout the life span and that may decrease risk of chronic disease where data indicate they play a role. Determines Tolerable Upper Intake levels for each nutrient reviewed where adequate scientific data are available in specific population subgroups. Identifies research needed to improve knowledge of the role of these micronutrients in human health. This book will be important to professionals in nutrition research and education.
Author: Brian J. Knapp
Publisher:
ISBN: 9781869860240
Category : Chemical elements
Languages : en
Pages : 56
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Book Description
"These are the first chemistry books I have ever understood," said an editor when she saw the Elements series. The titles give the basic chemistry of the most important elements, describing their characteristics, behaviour, occurrence, isolation & uses.
Author: Am Water Works Res F
Publisher: CRC Press
ISBN: 9780873714747
Category : Technology & Engineering
Languages : en
Pages : 602
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Book Description
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: Lyonnaise des eaux-Dumez (Firm)
Publisher: American Water Works Association
ISBN: 0070015597
Category : Water
Languages : en
Pages : 738
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Book Description
With global demand for water in the 20th century expected to increase ten-fold, this work focuses on the membrane filtration issues for drinking water.
Author: David G Stevenson
Publisher: World Scientific
ISBN: 1783262486
Category : Science
Languages : en
Pages : 511
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Book Description
This book is divided into three sections: the first reviews the main processes available for treating water for drinking (potable) purposes, the second goes into some detail about the design and operation of the non-filtration (clarification) processes, and the third deals exclusively with filtration and related applications. It is intended as a source of practical information rather than a theoretical research treatise and includes discussion of component parts of the process units with reasons for design features as well as operating principles.This book fills a gap between general reviews and research papers, and contains much information which is based on experience passed down within organisations and which tends not to be published.
Author: J.H. Bruins
Publisher: CRC Press
ISBN: 1351652508
Category : Technology & Engineering
Languages : en
Pages : 162
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Book Description
In The Netherlands, Belgium and other European countries, manganese is removed by conventional groundwater treatment with aeration and rapid (sand) filtration. Such a treatment process is easy to operate, cost effective and sustainable, because it does not make use of strong oxidants such as O3, Cl2, ClO2 and KMnO4 with the associated risk of by-product formation and over or under dosing. However, application of aeration-filtration is also facing drawbacks, especially the long ripening time of filter media. Due to the long ripening time, water companies have to waste large volumes of treated water, making this process less sustainable. Also, costs associated with filter media ripening (man power, electricity, operational and analysis costs) are high. Therefore decreasing the filter ripening time, regarding manganese removal is a big issue. Although already extended research has been carried out into manganese removal, the controlling mechanisms, especially of the start up face of filter media ripening, are not fully understood yet. The emphasis of this thesis is to provide a better understanding of the mechanisms involved in the ripening of virgin filter media, regarding manganese removal and how to shorten or completely eliminate the long ripening period of filters with virgin material. This thesis therefore highlights the role of the formation of a manganese oxide coating on virgin filter media. Characterization and identification revealed that the responsible manganese oxide for an effective manganese removal was Birnessite. It was found that Birnessite, formed at the beginning of the ripening process was of a biological origin. Based on the knowledge that manganese removal in conventional groundwater treatment is initiated biologically, long ripening times may be reduced by creating conditions favouring the growth of manganese oxidizing bacteria, e.g., by limiting the back wash frequency and / or intensity. Additionally, this thesis also shows that the use of freshly prepared manganese oxide, containing Birnessite, can completely eliminate filter media ripening time.
Author: O. Kubaschewski
Publisher: Springer Science & Business Media
ISBN: 3662080249
Category : Technology & Engineering
Languages : en
Pages : 194
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Book Description
At the official dinner of a· meeting in May 1939, I was seated next to Max Hansen. When I congratulated him on the well deserved success of his "Aufbau der Zweistoff-Legierungen", he smiled: "yes, it was a struggle with the hydra, and so it has taken me seven years", meaning that whenever he had thought to have finished the phase diagram of a particular system, new evidence would turn up like the new heads of the Greek monster. There is no need to point out the importance of assessed phase diagrams to metallurgists or even anyone concerned with the technology and applica tion of metals and alloys. The information contained therein is fundamental to considerations concerning the chemical, physical and mechanical properties of alloys. Hansen's German monograph was followed by a revised English edition in 1958 with K. Anderko and the supplements by R.P. Elliott (1965) and F.A. Shunk (1969). All those who have made use of these volumes will admit that much diligent labour has gone into this work, necessary to cope with the ever increasing number of publications and the consequent improvements.
Author: Constance Kies
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 232
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Book Description
Abstract: Research results concerning aspects of iron (Fe) bioavailability from various foods and interactions of Fe with other nutrients are reported by experts for nutritionists and food and agricultural chemists. Several areas address the determination of available Fe in foods, changes in Fe availability caused by food processing, physiochemical food properties affecting Fe chemstry, and food additives that either enhance or inhibit Fe intake. Therelationship of ascorbic acid in aiding Fe absorption is discussed, as is the inhibitory action of dietary fiber. Twoimportant human nutrition aspects cover Fe availability in human milk, and the differences in Fe utilization between vegetarians and omnivores. When careful choice is made of food combinations, food additives, and proper processing methods, humans can utilize a greater portion of the Fe in low-energy foods. (wz).
Author: HDR Engineering Inc.
Publisher: John Wiley & Sons
ISBN: 0471150835
Category : Technology & Engineering
Languages : en
Pages : 1153
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Book Description
Public water systems deliver high-quality water to the public. They also present a vast array of problems, from pollution monitoring and control to the fundamentals of hydraulics and pipe fitting.
