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Removal Of Perchlorate By Sorption And Biological Reduction In An Activated Carbon Filter
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Book Synopsis Removal of Perchlorate by Sorption and Biological Reduction in an Activated Carbon Filter by : Jess Carl Brown
Download or read book Removal of Perchlorate by Sorption and Biological Reduction in an Activated Carbon Filter written by Jess Carl Brown and published by . This book was released on 1999 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Activated Carbon for Water and Wastewater Treatment by : Ferhan Cecen
Download or read book Activated Carbon for Water and Wastewater Treatment written by Ferhan Cecen and published by John Wiley & Sons. This book was released on 2011-09-19 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph provides comprehensive coverage of technologies which integrate adsorption and biological processes in water and wastewater treatment. The authors provide both an introduction to the topic as well as a detailed discussion of theoretical and practical considerations. After a review of the basics involved in the chemistry, biology and technology of integrated adsorption and biological removal, they discuss the setup of pilot- and full-scale treatment facilities, covering powdered as well as granular activated carbon. They elucidate the factors that influence the successful operation of integrated systems. Their discussion on integrated systems expands from the effects of environmental to the removal of various pollutants, to regeneration of activated carbon, and to the analysis of such systems in mathematical terms. The authors conclude with a look at future needs for research and develoment. A truly valuable resource for environmental engineers, environmental and water chemists, as well as professionals working in water and wastewater treatment.
Book Synopsis Removal of Bromate and Perchlorate in Conventional Ozone/GAC Systems by : Mary Jo Kirisits
Download or read book Removal of Bromate and Perchlorate in Conventional Ozone/GAC Systems written by Mary Jo Kirisits and published by American Water Works Association. This book was released on 2001 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Treatability of Perchlorate in Groundwater Using Ion Exchange Technology - Phase II by : L. Aldridge
Download or read book Treatability of Perchlorate in Groundwater Using Ion Exchange Technology - Phase II written by L. Aldridge and published by IWA Publishing (International Water Assoc). This book was released on 2005-04-30 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since 1997, several perchlorate treatment technologies have proven to be technically feasible at drinking-water treatment scale: biological reduction, ion exchange, reverse osmosis (RO) membranes, and granular activated carbon (GAC). The objectives of this project were to demonstrate the long-term performance of conventional ion-exchange technology for perchlorate removal and evaluate three disparate alternatives (chemical, biological, electrolytic) for brine treatment and reuse. This project evaluated three fundamentally different brine treatment and reuse processes. The first process, the biological brine treatment system, operated as a sequencing batch reactor (SBR). Spent 3 percent (0.5 N NaCl) brine was introduced to the nitrate and perchlorate degrading culture in the reactor and acetic acid was supplied to this culture as an electron donor for the reduction process. Once the nitrate and perchlorate were biodegraded, the mixture was settled, filtered, and amended with chloride before its reuse as regenerant solution. The second process, the physical/chemical brine treatment system, employed a high-pressure and high-temperature catalytic process to reduce the nitrate and perchlorate in the spent brine. After the process, the treated brine was ready for reuse without subsequent treatment. The system used a stoichiometric dose of a chemical reductant (ammonia) based on the measured concentrations of nitrate and perchlorate in the spent brine. The last process, a simple bipolar electrochemical cell, electrolytically reduced the perchlorate and/or nitrate present in the spent ion exchange brine. Once reduced, the brine could be immediately reused. This process did not require the addition of an electron donor as with the biological process, or a reductant as with the physical/chemical treatment process.
Book Synopsis Influence and Removal of Organics in Drinking Water by : Joel Mallevialle
Download or read book Influence and Removal of Organics in Drinking Water written by Joel Mallevialle and published by CRC Press. This book was released on 1992-06-23 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Use this new book to solve water treatment problems related to toxicity, taste and odor, and bacteria regrowth. Influence and Removal of Organics in Drinking Water presents the latest advances in oxidation technologies, ozonation, membrane technology, micropollutant removal, and filtration processes. Fundamental aspects of coagulation, flocculation, adsorption, ozonation, preozonation, and granular activated carbon are discussed. Filtration methods covered include biological filtration, membrane filtration, and ultrafiltration. The book will provide a useful reference for water treatment plant managers and operators, water engineers, water supply managers, and consultants.
Book Synopsis Adsorption Processes for Water Treatment by : Samuel D. Faust
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.
Book Synopsis Adsorption Capacity and Biological Activity of Biological Activated Carbon Filters in Drinking Water Treatment by : Silvana Velten
Download or read book Adsorption Capacity and Biological Activity of Biological Activated Carbon Filters in Drinking Water Treatment written by Silvana Velten and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Perchlorate in the Environment by : Edward Todd Urbansky
Download or read book Perchlorate in the Environment written by Edward Todd Urbansky and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a symposium sponsored by the Environmental Division of the American Chemical Society, Perchlorate in the Environment is the first comprehensive book to address perchlorate as a potable water contaminant. The two main topics are: analytical chemistry (focusing on ion chromatography and electrospray ionization mass spectrometry), and treatment or remediation. Also included are topics such as ion exchange, phytoremediation, bacterial reduction of perchlorate, bioreactors, and in situ bioremediation. To provide complete coverage, background chapters on fundamental chemistry, toxicology, and reulatory issues are also included. The authors are environmental consultants, government researchers, industry experts, and university professors from a wide array of disciplines.
Book Synopsis Activated Carbon Adsorption For Wastewater Treatment by : Jerry. R. Perrich
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.
Book Synopsis Abiotic and Biotic Perchlorate Removal in an Activated Carbon Filter by : Jess Carl Brown
Download or read book Abiotic and Biotic Perchlorate Removal in an Activated Carbon Filter written by Jess Carl Brown and published by . This book was released on 2002 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Naval Stores Wastewater Purification and Reuse by Activated Carbon Treatment by : Frank H. Gardner
Download or read book Naval Stores Wastewater Purification and Reuse by Activated Carbon Treatment written by Frank H. Gardner and published by . This book was released on 1976 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Treatment of Refinery Wastewater Using a Filtration-activated Carbon System by : Bruce A. McCrodden
Download or read book Treatment of Refinery Wastewater Using a Filtration-activated Carbon System written by Bruce A. McCrodden and published by . This book was released on 1979 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Treatability of Perchlorate-Containing Water by RO, NF and UF Membranes by : Gary Amy
Download or read book Treatability of Perchlorate-Containing Water by RO, NF and UF Membranes written by Gary Amy and published by IWA Publishing. This book was released on 2004-01-01 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: The California Department of Health Services has established a provisional action level of 4 ug/L for perchlorate in drinking water due to its toxicity. There are 14 states in the United States that have thus far confirmed perchlorate in ground or surface waters. Ongoing research is investigating other treatment technologies for perchlorate rejection, including biological degradation, ion exchange, and activated carbon. The major objectives of this project were to: determine the removal/rejection of perchlorate (ClO4-) ion by high pressure membranes, including reverse osmosis (RO), nanofiltration (NF), and tight ultrafiltration (UF); evaluate the effects of water quality parameters, pH, ionic strength (conductivity), and co-ions and counter-ions, on process performance; and study membrane operating conditions (e.g., recovery) on perchlorate rejection and potential scaling. Water quality is a determining factor in applying high pressure membranes to perchlorate rejection. Effective rejection of perchlorate by RO, NF, and tight UF has been demonstrated according to two rejection mechanisms: steric (size) versus electrostatic (charge) exclusion. Based on its size (hydrodynamic radius), perchlorate is selectively rejected over chloride through size exclusion; however, based on charge exclusion, sulfate is selectively rejected over perchlorate. 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
Book Synopsis Bio-regenerated Activated Carbon Treatment of Textile Dye Wastewater by : Fram Corporation
Download or read book Bio-regenerated Activated Carbon Treatment of Textile Dye Wastewater written by Fram Corporation and published by . This book was released on 1971 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Activated Carbon Process for Treatment of Wastewaters Containing Hexavalent Chromium by : Chin P. Huang
Download or read book Activated Carbon Process for Treatment of Wastewaters Containing Hexavalent Chromium written by Chin P. Huang and published by . This book was released on 1979 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Perchlorate Ion (C104) Removal Using an Electrochemically Induced Catalytic Reaction on Modified Activated Carbon by : Meredith Caitlyn Langille
Download or read book Perchlorate Ion (C104) Removal Using an Electrochemically Induced Catalytic Reaction on Modified Activated Carbon written by Meredith Caitlyn Langille and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Perchlorate is known to adversely affect the thyroid gland functions including iodide take up, thus perchlorate should be removed from drinking water. Bituminous coal-based activated carbon (AC) has been used for perchlorate removal in past years. Virgin carbon and carbon modified by oxidation with HNO3, NaOH and H2O2 were examined in this study for their ability to remove perchlorate by reduction or adsorption mechanisms. Surface functional groups formed on the modified AC (MAC) were examined with diffuse reflectance infrared spectrometry. Inhibition of perchlorate removal onto MAC by various anions ( - Cl, - 3 NO, and - 2 4 SO) and solution pH (4.5, 7.2 and 10.5) were examined to characterize the MACs before an electrochemical reaction was performed. Surface functional groups were increased by oxidation. Groups that were found on the carbon include, but are not limited to lactone, quinine, carboxylate, and nitrogenoxygen groups. The effect of pH on removal of perchlorate by MAC was greatly affected by the change in the zero point charge (ZPC) induced on the carbon by modification. Virgin carbon also experienced difficulty in removing perchlorate when solution pH was above the ZPC. Anion inhibition varied with the modification process. - 3 NO inhibited perchlorate removal only by the virgin carbon. The other anions showed no major effects on the removal efficiency of perchlorate by the carbons. Electrochemical processes did not show favorable results in removal of perchlorate. The dominant mechanism of perchlorate removal during desorption tests was adsorption onto the carbon surfaces via ion exchange.
Book Synopsis Activated Carbon by : Zaid K. Chowdhury
Download or read book Activated Carbon written by Zaid K. Chowdhury and published by American Water Works Association. This book was released on 2013 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Many books have been written about granular activated carbon. Some focus on the theory of performance and removal mechanisms while others focus on design features. This book focuses on solutions. It describes the challenges facing water providers to provide safe water that is acceptable to their customers, utility experiences using activated carbon, activated carbon applications, and design and procurement approaches. The appendices include detailed case studies and a life-cycle assessment demonstrating favorable sustainability considerations for activated carbon when compared to other treatment technologies. Never before has all of this information been together in one location. The what, why, and how of activated carbon are connected in this book and demonstrate why this treatment technology has maintained its status as an integral treatment technology in the quest for pure water over millennia"--
