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Author : Reneé Angela Lawver
Publisher :
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.:/5 (47 download)
Download or read book Selenium Removal in Biological Sequencing Batch Reactors written by Reneé Angela Lawver and published by . This book was released on 1991 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.3/5 (121 download)
Download or read book Microbial Process for Removal of Selenium from Agricultural Drainage Water written by and published by . This book was released on 1990 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of a study conducted for the Federal-State Interagency San Joaquin Valley Drainage Program. The purpose of the report is to provide the Drainage Program agencies with information for consideration in developing alternatives for agricultural drainage-water management.
Author : Y.V. Nancharaiah
Publisher : CRC Press
ISBN 13 : 1351857312
Total Pages : 415 pages
Book Rating : 4.3/5 (518 download)
Download or read book Microbial Biofilms in Bioremediation and Wastewater Treatment written by Y.V. Nancharaiah and published by CRC Press. This book was released on 2019-10-18 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biofilms represent the natural living style of microbial communities and play a pivotal role in biogeochemical cycles and natural attenuation. Biofilms can be engineered for biodegradation and biotransformation of organic and inorganic contaminants, for both in situ bioremediation and ex situ treatment in bioreactors. This book focuses on microbial biofilms and their potential technological applications for sustainable development. It covers recent advances in biofilm technologies for contaminant remediation coupled to recovery of resources and serves as a complete reference on the science and technology behind biofilm mediated bioremediation and wastewater treatment.
Author : William T. Frankenberger
Publisher : CRC Press
ISBN 13 : 9780824701369
Total Pages : 746 pages
Book Rating : 4.7/5 (13 download)
Download or read book Environmental Chemistry of Selenium written by William T. Frankenberger and published by CRC Press. This book was released on 1998-02-03 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Written as a complement to the definitive work selenium in the Environment (Marcel Dekker, Inc.). Presents basic and the most recent applied research developments in selenium remediation-emphasizing field investigations as well as covering topics from analytical methods and modeling to regulatory aspects from federal and state perspectives. "
Author : Wade H. Shafer
Publisher : Springer Science & Business Media
ISBN 13 : 1461528321
Total Pages : 350 pages
Book Rating : 4.4/5 (615 download)
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1 957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 36 (thesis year 1991) a total of 11,024 thesis titles from 23 Canadian and 161 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 36 reports theses submitted in 1991, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Author : Eric D van Hullebusch
Publisher : Springer
ISBN 13 : 3319578316
Total Pages : 134 pages
Book Rating : 4.3/5 (195 download)
Download or read book Bioremediation of Selenium Contaminated Wastewater written by Eric D van Hullebusch and published by Springer. This book was released on 2017-09-02 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book features the reduction and removal of selenium in wastewater via bioremediation. Arranged over five chapters, this book provides information regarding the interaction between micro-organisms and selenium, and it also explains the biogeochemistry of selenium in engineered ecosystems designed for wastewater treatment. The analytical approaches currently adopted by the scientific community are also described and discussed. Readers will find examples of the biological treatment of selenium contaminated wastewater, and discover a concise overview of selenium removal processes that are currently implemented at lab-scale as well as at industrial scale.
Author : Shrutika Laxmikant Wadgaonkar
Publisher : CRC Press
ISBN 13 : 0429763948
Total Pages : 214 pages
Book Rating : 4.4/5 (297 download)
Download or read book Novel Bioremediation Processes for Treatment of Seleniferous Soils and Sediment written by Shrutika Laxmikant Wadgaonkar and published by CRC Press. This book was released on 2018-10-26 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this Ph.D. was to develop a technology for the remediation of seleniferous soils/sediments and to explore microbial reduction of selenium oxyanions under different respiration conditions and bioreactor configurations. Seleniferous soil collected from the wheat-grown agricultural land in Punjab (India) was characterized and its soil washing was optimized by varying parameters, where addition of oxidizing agents showed a maximum selenium removal efficiency. Aquatic plants, Lemna minor and Egeria densa were used to study phytoremediation of the selenium-rich soil leachate containing oxidizing agents. Additionally, migration of the soluble selenium fraction from the upper to the lower layers and its subsequent reduction and accumulation in the lower layers of the soil column was observed during soil flushing. Furthermore, the soil leachate containing selenium oxyanions obtained from soil washing was treated in a UASB reactor by varying the organic feed. Ex situ bioremediation of selenium oxyanions was studied under variable conditions. An aerobic bacterium (Delftia lacustris) capable of transforming selenate and selenite to elemental selenium was isolated and characterized. Anaerobic bioreduction of selenate coupled to methane oxidation was investigated in serum bottles and a biotrickling filter using marine sediment as inoculum. Finally, the effect of contamination of other chalcogen oxyanions (tellurium) on selenium bioreduction was studied in a continuous system (UASB reactor).
Author : Jan Derco
Publisher : BoD – Books on Demand
ISBN 13 : 1789234727
Total Pages : 159 pages
Book Rating : 4.7/5 (892 download)
Download or read book Biosorption written by Jan Derco and published by BoD – Books on Demand. This book was released on 2018-07-18 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: Municipal and industrial wastewaters contain a wide spectrum of pollutants. Their effective removal presents a challenge for water treatment technology. Biosorption of nutrients and pollutants has been used in sewage treatment since the discovery of the activated sludge process. It is a passive uptake process by which pollutants are adsorbed on the surface of cell walls and/or dissolved in structures of microorganism cells that are present in sludge. Sorbed pollutants remain in the sludge and can be potentially released back into the environment depending on their condition and the reversibility of the pollutant-sludge interaction. An overview of typical biosorption applications for the removal of nutrients, organic pollutants, and metals in wastewater treatment is provided in different areas of their use for the protection of aquatic ecosystems and human health. This book will be of interest to operators of wastewater treatment plants and sludge treatment and disposal facilities as well as to researchers and university students in the field of environmental engineering.
Author : Tejaswini Eregowda
Publisher : CRC Press
ISBN 13 : 1000740021
Total Pages : 229 pages
Book Rating : 4.0/5 (7 download)
Download or read book Anaerobic Treatment and Resource Recovery from Methanol Rich Waste Gases and Wastewaters written by Tejaswini Eregowda and published by CRC Press. This book was released on 2019-08-20 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methanol is an important volatile organic compound (VOC) present in the gaseous and liquid effluents of process industries such as pulp and paper, paint manufacturing and petroleum refineries. An estimated 65% of the total methanol emission was from the Kraft mills of the pulp and paper industries. The effect of selenate, sulfate and thiosulfate on methanol utilization for volatile fatty acids (VFA) production was individually examined in batch systems. Gas-phase methanol removal along with thiosulfate reduction was carried out for 123 d in an anoxic BTF. To examine the gas-phase methanol removal along with selenate reduction, another anoxic biotrickling filter (BTF) was operated for 89 d under step and continuous selenate feeding conditions. For the study on liquid-phase methanol, acetogenesis of foul condensate (FC) obtained from a chemical pulping industry was tested in three upflow anaerobic sludge blanket (UASB) reactors operated at 22, 37 and 55 oC for 51 d. The recovery of VFA was explored through adsorption studies using anion exchange resins in batch systems. The adsorption capacity of individual VFA on Amberlite IRA-67 and Dowex optipore L-493 was examined by fitting the experimental data to adsorption isotherms and kinetic models. A sequential batch process was tested to achieve selective separation of acetic acid from the VFA mixture.
Author : Joyabrata Mal
Publisher : CRC Press
ISBN 13 : 0429895259
Total Pages : 222 pages
Book Rating : 4.4/5 (298 download)
Download or read book Microbial Synthesis of Chalcogenide Nanoparticles written by Joyabrata Mal and published by CRC Press. This book was released on 2018-04-27 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent years have seen a growing interest in the application of chalcogenide nanoparticles (NPs), e.g. Se, Te, CdSe and CdTe NPs, in various industrial sectors including energy, petroleum refining and in the field of biology and medicine. Moreover, due to the high toxicity of chalcogen oxyanions, their release into the environment is of great concern. Thus, emphasis was given in this study on the development of a novel microbial synthesis process of chalcogenide NPs by combining biological treatment of Se/Te containing wastewaters with biorecovery in the form of Se NPs, Te NPs and CdSe NPs. Enrichment of Se-oxyanion reducing microorganisms was carried out to simultaneously remove selenite (Se(IV)) and cadmium (Cd(II)) from wastewaters by combining bioremediation of toxic Se-rich wastewater with the biorecovery of Se as CdSe NPs. The results showed compositional changes in the extracellular polymeric substances (EPS) matrix of the anaerobic granular sludge upon exposure to Cd(II) and Se(IV) and identified the roles of EPS fractions in the biogenesis of CdSe NPs. Besides, it was found that the EPS on the surface of the biogenic Se NPs play a major role in lowering the bioavailability and toxicity of biogenic Se(0) compared to chemogenic Se(0) NPs. An upflow anaerobic sludge blanket (UASB) reactor was used for the first time to continuously remove tellurite from wastewater and recover biogenic Te(0).
Author : Purdue Research Foun
Publisher : CRC Press
ISBN 13 : 9781575040523
Total Pages : 792 pages
Book Rating : 4.0/5 (45 download)
Download or read book Proceedings of the 51st Purdue Industrial Waste Conference1996 Conference written by Purdue Research Foun and published by CRC Press. This book was released on 1997-05-01 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers presented at the 51st Purdue Industrial Waste Conference have been divided into the following sections: pollution prevention site remediation physical and chemical processes odor and VOC control solidification, foundry, and combustion residues biological processes respirometry and effluent toxicity industrial waste case histories Each chapter contains a multitude of figures and tables illustrating the concepts discussed as well as extensive references for further study.
Author : Daphne L. Stoner
Publisher : Routledge
ISBN 13 : 1351463586
Total Pages : 245 pages
Book Rating : 4.3/5 (514 download)
Download or read book Biotechnology for the Treatment of Hazardous Waste written by Daphne L. Stoner and published by Routledge. This book was released on 2017-11-22 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of biologically based processes for the treatment of hazardous inorganic and organic wastes is a multi-disciplinary effort requiring the consideration of a number of biological, chemical, and physical parameters, as well as the effective teaming of biologists, chemists, engineers, and regulatory agencies. This new text/reference bridges the disciplines in a unique way, allowing an exchange of fundamental information to take place. The book begins with a description of the biological transformations of inorganic and organic compounds and a review of strategies that may be used for the treatment of hazardous wastes. It continues with a discussion of the physiological and engineering factors that must be considered for successful process development and concludes with a discussion of the regulations that have influenced biological waste treatment and environmental remediation.
Author : Lea Chua Tan
Publisher : CRC Press
ISBN 13 : 0429828411
Total Pages : 20 pages
Book Rating : 4.4/5 (298 download)
Download or read book Anaerobic Treatment of Mine Wastewater for the Removal of Selenate and its Co-Contaminants written by Lea Chua Tan and published by CRC Press. This book was released on 2018-09-03 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Selenium (Se) pollution has led to several cases of severe aquatic ecosystem deterioration due to Se poisoning caused by bioaccumulation over time. However, the removal of selenate (SeO42-) from wastewater streams with co-contaminants has been largely considered as a black box in anaerobic biological systems using mixed consortia. This research aimed at addressing the effect of wastewater characteristics, i.e. co-contaminants such as nitrate (NO3-) and sulfate (SO42-), heavy metals and pH, on the biological reduction of SeO42- and evaluating process integration for Se-laden wastewater treatment with co-contaminants. This study demonstrated that the presence of co-contaminants can actually be beneficial for Se removal provided that the concentrations are carefully monitored and appropriate operating conditions and process configurations are used. The Se removal (total Se and SeO42-) efficiency increased by ~30% in the presence of NO3- and/or SO42- compared to systems with SeO42- alone. Additionally, an integrated process of an ion exchange (IX) column and bioreactors showed improved overall removal capacity for SO42- and total Se. The knowledge and information gained from this research can help in the advancement and application of biological processes, i.e. predicting of reactor performance, solving specific design or practical problems and implementing novel treatment techniques for Se-laden mine wastewater.
Author : S. Bathe
Publisher : IWA Publishing
ISBN 13 : 9781843395096
Total Pages : 186 pages
Book Rating : 4.3/5 (95 download)
Download or read book Aerobic Granular Sludge written by S. Bathe and published by IWA Publishing. This book was released on 2005-03-31 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aerobic Granular Sludge has recently received growing attention by researchers and technology developers, worldwide. Laboratory studies and preliminary field tests led to the conclusion that granular activated sludge can be readily established and profitably used in activated sludge plants, provided 'correct' process conditions are chosen. But what makes process conditions 'correct'? And what makes granules different from activated sludge flocs? Answers to these question are offered in Aerobic Granular Sludge. Major topics covered in this book include: Reasons and mechanism of aerobic granule formation Structure of the microbial population of aerobic granules Role, composition and physical properties of EPS Diffuse limitation and microbial activity within granules Physio-chemical characteristics Operation and application of granule reactors Scale-up aspects of granular sludge reactors, and case studies Aerobic Granular Sludge provides up-to-date information about a rapidly emerging new technology of biological treatment.
Author :
Publisher :
ISBN 13 :
Total Pages : 316 pages
Book Rating : 4.3/5 (121 download)
Download or read book Federal Register written by and published by . This book was released on 2013-06 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Library of Congress
Publisher :
ISBN 13 :
Total Pages : 1128 pages
Book Rating : 4.:/5 (891 download)
Download or read book Library of Congress Subject Headings written by Library of Congress and published by . This book was released on 2012 with total page 1128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : San Joaquin Valley Drainage Program
Publisher :
ISBN 13 :
Total Pages : 216 pages
Book Rating : 4.:/5 (2 download)
Download or read book San Joaquin Valley Drainage Program written by San Joaquin Valley Drainage Program and published by . This book was released on 1990 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
