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Author : Jien Hua Chuang
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.:/5 (375 download)
Download or read book Arsenic Removal by Coagulation and Chemical Adsorption written by Jien Hua Chuang and published by . This book was released on 1977 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Miroslava Václavíková
Publisher : Springer Science & Business Media
ISBN 13 : 9048134951
Total Pages : 339 pages
Book Rating : 4.0/5 (481 download)
Download or read book Water Treatment Technologies for the Removal of High-Toxity Pollutants written by Miroslava Václavíková and published by Springer Science & Business Media. This book was released on 2009-11-24 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water is essential for life, a strategic resource for every country and population. Its availability and sanitary safety is highly connected with the health and economy status of population. Burden of disease due to polluted water is a major public health problem throughout the world. Many pollutants in water streams have been identified as toxic and harmful to the environment and human health, and among them arsenic, mercury and cadmium are considered as high priority ones. Providing population with safe drinking water became the priority and at the same time a big challenge for the modern society. Many funding agencies in various countries have assigned a high priority to the envir- mental security and pollution prevention. UN, being one of them, launched the “International Decade for Action: Water for life 2005–2015. ” Therefore, today’s political and social climate presents an important opportunity to implement principles of sustainable development and to preserve resources essential for future life. This process requires interdisciplinary approach; it is critically important to stimulate interactions between medical doctors, chemists, physicist, materials scientists, engineers and policy makers, which are already experienced in their specific areas. It is also our ethical obligation to preserve existing water resources and existing eco systems enhancing their biodiversity. The NATO Advanced Research Workshop “Water Treatment Te- nologies for the Removal of High-Toxicity Pollutants” took place on September 13–17, 2008 in Košice, Slovak Republic.
Author : Marek Bryjak
Publisher : CRC Press
ISBN 13 : 1315682605
Total Pages : 488 pages
Book Rating : 4.3/5 (156 download)
Download or read book Innovative Materials and Methods for Water Treatment written by Marek Bryjak and published by CRC Press. This book was released on 2016-02-17 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to increasing demand for potable and irrigation water, water suppliers have to use alternative resources. They either have to regenerate wastewater or deal with contaminated surface water. This book brings together the experiences of various experts in preparing of innovative materials that are selective for arsenic and chromium removal, and in
Author :
Publisher : DIANE Publishing
ISBN 13 : 1428901507
Total Pages : 108 pages
Book Rating : 4.4/5 (289 download)
Download or read book Arsenic removal from drinking water by coagulation/filtration and lime softening plants written by and published by DIANE Publishing. This book was released on with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yu-Jung Chang
Publisher : American Water Works Association
ISBN 13 : 1583214062
Total Pages : 252 pages
Book Rating : 4.5/5 (832 download)
Download or read book Demonstration of Emerging Technologies for Arsenic Removal: Pilot testing written by Yu-Jung Chang and published by American Water Works Association. This book was released on 2005 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the second of two volumes that presents the results of a cooperative research effort between industry, academia, utilities to evaluate and demonstrate the treatment effectiveness of a wide range of technologies for arsenic removal. (Volume 1; ISBN: 1-58321-310-4; published Feb 2004) This volume focused on larger-scale in-situ demonstration testing of the major technologies reviewed in Volume 1, plus several additional technologies. Objectives were to describe the underlying chemical and physical controls over arsenic removal, consider the operational performance parameters and anticipate where improvements might occur. Sponsored by Arsenic Research Partnership, AWWRF, USEPA, and ACWA.
Author : T. David Chinn
Publisher : American Water Works Association
ISBN 13 : 158321254X
Total Pages : 342 pages
Book Rating : 4.5/5 (832 download)
Download or read book Implementation of Arsenic Treatment Systems: Design considerations, operation and maintenance written by T. David Chinn and published by American Water Works Association. This book was released on 2002 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gary L. Amy
Publisher : American Water Works Association
ISBN 13 : 1583210032
Total Pages : 296 pages
Book Rating : 4.5/5 (832 download)
Download or read book Arsenic Treatability Options and Evaluation of Residuals Management Issues written by Gary L. Amy and published by American Water Works Association. This book was released on 2000 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Bratby
Publisher : IWA Publishing
ISBN 13 : 1843391066
Total Pages : 421 pages
Book Rating : 4.8/5 (433 download)
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.
Author : Kaman Singh
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)
Download or read book Removal of Arsenic - ,ÄúA Silent Killer,Äù in the Environment by Adsorption Methods written by Kaman Singh and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water is one of the most essential requirements for living being to survive because 70,Äì80% of the mass of most living bodies consists of water and various mineral and organic salts. Water is also most important component of our environment. Large amount of water is used in various industries or commercial level or domestic level and finally effluent water is loaded with large amount of pollutants such as organic chemicals (surfactants, dyes, phenols etc.), inorganic hazardous heavy metals (As in present case) microbes (bacteria, fungi etc.) pollutants particulate etc. Arsenic is a natural metalloid chemical that may be present in groundwater and surface water gets polluted, hence, aquatic life of plants and animals is disturbed and cause abnormal growth and various diseases, hence, short term or long term changes occurs in ecosystem. Hence, treatment of wastewater is essentially required before discharge effluent wastewater into ponds or lagoons, drains and rivers. Arsenic is one such element that contaminates the environment as reported in several countries. The largest population at risk is in Bangladesh followed by India (West Bengal). Arsenic is familiar as silent killer because dissolved in water, it is colorless, odorless, and tasteless, yet consumption of relatively small doses of this element in its most toxic forms can cause rapid and violent death. It is a human carcinogen in water over a wide range of pH values, having harmful effects on both human health and environment, even at low concentration. Because of this effect, the World Health Organization (WHO) and the US Environmental Protection Agency (USEPA) set the arsenic standard for drinking water at .010¬†ppm to protect consumers served by public water systems. Ingestion only poses health problems if a dangerous amount of arsenic enters the body. Then, it can lead to cancer, liver disease, coma, and death. There is no effective treatment for arsenic toxicity. Only the removal of arsenic from aqueous system can prevent the toxicity. A great deal of research over recent decades has been done to lower the concentration of arsenic in drinking water and still there is a need to develop ecofriendly techniques. Existing major arsenic removal technologies include oxidation, adsorption, precipitation, coagulation and membrane separation. This book chapter presents a systematic description of current status of research in the area of arsenic removal from contaminated water and comparison of all technologies available with more emphasis on adsorption.
Author : Dr. Ashok Kumar Jha
Publisher : Booksclinic Publishing
ISBN 13 : 9390655471
Total Pages : 142 pages
Book Rating : 4.3/5 (96 download)
Download or read book ARSENIC PROBLEM AND MITIGATION written by Dr. Ashok Kumar Jha and published by Booksclinic Publishing. This book was released on 2021-01-12 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The present book on Arsenic has painted a small portion of the vast canvas of water pollution by focusing on the specified areas of the Gangetic plain. In India, the firstcase of arsenic contamination came to light in 1980 in West Bengal. Subsequently many chemists and biologists started examining arsenic content in water in various parts of Bihar and my team started work in some new areas of Gangetic plain in Bhagalpur district. Switching to groundwater for potable water resulted in decrease of bacterial contamination on one hand and on the other this resulted in the vast population being affected by arsenic contaminated water. This book deals with some safer techniques of arsenic removal. The arsenic removal technologies are based on solar oxidation, coagulation, sedimentation, filtration, adsorption, ion exchange and biological processes. In coagulation micro-filtration Fe(III) and Al(III) salts are added to form arsenic-sorbing flocs which is removed by membrane filtration. This method increases Fe(III) and Al(III) in water. Adsorbents like activated alumina, ferric hydroxides, iron oxide coated sand and activated carbon have been used in columns to remove arsenic from aqueous medium. Thus many methods of arsenic removal have been discussed. The search for low-cost technologies has directed towards bentonite deposits of Rajmahal hills. Bentonite minerals are smectite group of mineral having 2:1 dioctahedral structure. Though these minerals are abundant inmost of the countries of the world, Rajmahal hill bentonites have not been studied for many of its important properties as yet. Our research team have collected bentonite minerals from different parts of the hill and worked on removal of heavy metals, dyes and arsenic from aqueous medium. Efforts have been made to use different derivatives of bentonite minerals for remediation of heavy metals including arsenic. A comparative study of remediation potential has been done. All the useful experimental data have been incorporated in the book to have a clear understanding of the subject. Apart from this, the ability of agricultural solid wastes e.g maize stem powder, rice husk have also been tested for removal of arsenic inaqueous medium. In addition, researches have focused on the ability of biological materials to accumulate the toxicants. The major advantages of biosorption are low-cost, high efficiency and minimum use of chemicals. Latest techniques of analyses of arsenic both qualitative and quantitative have been discussed in the book. Analysis of arsenic has also been done by I.C.P and A.A.S. Possible causes of arsenic contamination in ground water, geochemistry and mechanism of entry in the Gangetic plain have also been discussed to make readers understand in the simplest manner. General chemistry of arsenic and its compounds have been discussed in chapter 1 and arsenic binding to DNA causing cancer with possible mechanisms have been incorporated in to the book after a careful and thorough review of journals. Arsenicosis problems, photographs of affected regions and hills have been added with a view to have a glimpse of the worsening situation at the ground level. I hope this book will be valuable for teachers, students and researchers pursuing advanced research on arsenic mitigation. The suggestions from any corner are most welcome and would be incorporated in the book for further improvement."
Author : M. Feroze Ahmed
Publisher :
ISBN 13 :
Total Pages : 298 pages
Book Rating : 4.3/5 (91 download)
Download or read book Technologies for Arsenic Removal from Drinking Water written by M. Feroze Ahmed and published by . This book was released on 2001 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes some papers with reference to Bangladesh and India.
Author : Nalan Kabay
Publisher : CRC Press
ISBN 13 : 0203843398
Total Pages : 270 pages
Book Rating : 4.2/5 (38 download)
Download or read book The Global Arsenic Problem written by Nalan Kabay and published by CRC Press. This book was released on 2010-04-26 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: A prevalent and increasingly important issue, arsenic removal continues to be one of the most important areas of water treatment. Conventional treatment plants may employ several methods for removing arsenic from water. Commonly used processes include oxidation, sedimentation, coagulation and filtration, lime treatment, adsorption onto sorptiv
Author :
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (31 download)
Download or read book Protocol for Equipment Verification Testing for Arsenic Removal written by and published by . This book was released on 1996 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document is the study protocol to be used for verification testing of equipment designed to achieve arsenic removal. In order to participate in the equipment verification process, the equipment Manufacturer is requested to adhere to the requirements of this study protocol in developing a Manufacturer Field Operations Document. The final submission of the Manufacturer Field Operations Document shall: (1) include the information requested in this protocol; (2) conform to the format identified herein; and (3) conform to the specific NSF International (NSF) Equipment Verification Testing Plan or Plans related to the statement(s) of capabilities that are to be verified. The Manufacturer Field Operations Document may include more than one Testing Plan. For example, testing might be undertaken to verify performance of a package plant employing coagulation and filtration for arsenic removal and for removal of microbiological and particulate contaminants or for removal of disinfection by-product precursors.
Author : Yu-Jung Chang
Publisher : American Water Works Association
ISBN 13 : 9781583213100
Total Pages : 148 pages
Book Rating : 4.2/5 (131 download)
Download or read book Demonstration of Emerging Technologies for Arsenic Removal: Bench-scale testing written by Yu-Jung Chang and published by American Water Works Association. This book was released on 2004 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: This project addresses those technologies deemed most appropriate for small water systems to comply with the Jan '06 USEPA Arsenic Rule Maximum Contaminant Level (MCL). This volume reports on the bench-scale testing of of 4 technologies: ion-exchange processes, sorption kinetics, coupled sorbent-membrane processes and coupled coagulation-ballasted-sedimentation processes. Volume 2 will focus on results of the full-scale demonstration testing.
Author : Margarita Stoytcheva
Publisher :
ISBN 13 : 9781838816469
Total Pages : 0 pages
Book Rating : 4.8/5 (164 download)
Download or read book Arsenic written by Margarita Stoytcheva and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : DIANE Publishing
ISBN 13 : 1422330028
Total Pages : 164 pages
Book Rating : 4.4/5 (223 download)
Download or read book Removal of Arsenic in Drinking Water written by and published by DIANE Publishing. This book was released on 2005 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yu-Jung Chang
Publisher : American Water Works Association
ISBN 13 : 9781583214060
Total Pages : 256 pages
Book Rating : 4.2/5 (14 download)
Download or read book Demonstration of Emerging Technologies for Arsenic Removal Volume 2 written by Yu-Jung Chang and published by American Water Works Association. This book was released on 2005 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the second of two volumes that presents the results of a cooperative research effort between industry, academia, utilities to evaluate and demonstrate the treatment effectiveness of a wide range of technologies for arsenic removal. (Volume 1; ISBN: 1-58321-310-4; published Feb 2004) This volume focused on larger-scale in-situ demonstration testing of the major technologies reviewed in Volume 1, plus several additional technologies. Objectives were to describe the underlying chemical and physical controls over arsenic removal, consider the operational performance parameters and anticipate where improvements might occur. Sponsored by Arsenic Research Partnership, AWWRF, USEPA, and ACWA.
