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Author : Medha H Devare
Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.E/5 ( download)
Download or read book Bacterial Transport and Biodegradation in a Loamy Soil and Sand written by Medha H Devare and published by . This book was released on 1993 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download Carbon Tetrachloride Transport and Biodegradation in Dual Porosity Soil Columns [microform] PDF Online Free](https://books.google.com/books/content/images/frontcover/AYnyXwAACAAJ?fife=w200-h370)
Author : Lima, Gláucia da Penha
Publisher : Library and Archives Canada = Bibliothèque et Archives Canada
ISBN 13 : 9780494026045
Total Pages : 456 pages
Book Rating : 4.0/5 (26 download)
Download or read book Carbon Tetrachloride Transport and Biodegradation in Dual Porosity Soil Columns [microform] written by Lima, Gláucia da Penha and published by Library and Archives Canada = Bibliothèque et Archives Canada. This book was released on 2005 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Rio column had higher rates of CT biodegradation and less inhibition of methanol consumption. It also showed much more significant mineral precipitation. The Rio clay had higher porosity and higher iron content than the Halton column, which may have contributed to differences in column performance. The study demonstrates that clay physical structure, mineralogy, and microbiology must be considered in assessing contaminant transport and remediation in dual porosity sand-clay systems. Carbon tetrachloride (CT) biodegradation in dual porosity (clay-sand) systems was investigated. Two laboratory-scale columns, the Halton column, packed with a till from the Halton region, Ontario, and the Rio column, packed with a clay from Rio de Janeiro, Brazil, were used in this study. The central core of each 10 cm diameter column was comprised of a 2.5cm diameter sand macropore. Biostimulation and bioaugmentation were done with methanol and Methanosarcina barkeri. A unique aspect of this study was the application of molecular tools, including DGGE (denaturing gradient gel electrophoresis), and qPCR (quantitative polymerase chain reaction) to determnie the spatial distribution of microorganisms in the dual porosity columns. No initial methanol consumption was observed in the presence of 500mug/L of CT, but removal of CT, resulted in the onset of methanogenesis. Renewed CT addition resulted in conversion of CT to CF and DCM, with complete chloroemethane removal at inlet CT concentrations as high as 4.5mg/L. The clays contained indigenous eubacteria and archaea, despite dominant pore sizes that were smaller than the microbial cell sizes, including Methanosarcinae and Clostridia. Methanosarcina barkeri inoculated into the sand cores of the columns did not grow beyond the clay-sand interface. Growth of indigenous microorganisms within the columns was also predominantly in the sand cores. There was significant microbial growth of microorganisms in the clay near the sand-clay interface in the Halton column, but no significant growth was observed in this region in the Rio column. Calibrated first order degradation constants from modelling were consistent with biomass growth patterns, confirming that the majority of biodegradation occurred in the sand in the Rio column and in the sand and the sand-clay interface zones in the Halton column.
Author : Blythe Lynn Hoyle
Publisher :
ISBN 13 :
Total Pages : 416 pages
Book Rating : 4.:/5 (54 download)
Download or read book Biodegradation in Saturated Sand written by Blythe Lynn Hoyle and published by . This book was released on 1994 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rainer Stegmann
Publisher : Springer Science & Business Media
ISBN 13 : 3662046431
Total Pages : 643 pages
Book Rating : 4.6/5 (62 download)
Download or read book Treatment of Contaminated Soil written by Rainer Stegmann and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 643 pages. Available in PDF, EPUB and Kindle. Book excerpt: Newly developed and innovative methods are mentioned and outlined so that the book can be used as a source of information for scientists and professionals specialised in the treatment of soils as well as for students in courses of environmental studies. The book offers a short, compressed overview of the important features of this subject and can be used as a reference book of the state of the art. The appendix offers the interested reader a detailed survey of materials, test methods and apparatuses as well as a description of analytical directions and processes.
Author : Emily D. Copenhaver
Publisher :
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.:/5 (319 download)
Download or read book Movement of Hazardous Substances in Soil written by Emily D. Copenhaver and published by . This book was released on 1979 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ajay Singh
Publisher : Springer Science & Business Media
ISBN 13 : 9783540211013
Total Pages : 332 pages
Book Rating : 4.2/5 (11 download)
Download or read book Biodegradation and Bioremediation written by Ajay Singh and published by Springer Science & Business Media. This book was released on 2004-06-21 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: The diverse metabolic capabilities of microorganisms and their interactions with hazardous organic and inorganic compounds have long been recognized. Microbial processes are environmentally compatible and can be integrated with non-biological processes to detoxify, degrade and immobilize environmental contaminants. Bioremediation, the application of biological methods, has been used successfully for soil remediation. For this volume, a number of experts from universities, government laboratories and industry, share their specialist knowledge in environmental microbiology and biotechnology. Chapters dealing with microbiological, biochemical and molecular aspects of biodegradation and bioremediation cover numerous topics, including: bioavailability, biodegradation of various pollutants, microbial community dynamics, properties and engineering of important biocatalysts, and methods for monitoring bioremediation processes.
Author : Wei Tao
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (13 download)
Download or read book Transport of Bacteria in Column for in Situ Bioremediation Application written by Wei Tao and published by . This book was released on 2018 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: The absence of bacteria capable of degrading pollutants and the shortage of oxygen in contaminated soil have been identified as key factors that can limit the efficiency of in situ bioremediation. Inoculating contaminated soils with exogenous bacteria and oxygen purging are common approaches for stimulating in situ bioremediation. The use of surfactant and microbubble offers a way of addressing these limitations by promoting bacteria transport while at the same time providing oxygen. This study investigates the effect of surfactant solution and surfactant microbubble on bacteria transport in sand columns with the aim of understanding the factors and mechanisms that affect bacteria transport in soil. This study also introduces an innovative measurement probe, the optrode, for in situ monitoring of bacteria distribution. Rhamnolipid and tergitol were used as surfactant in this study, and Pseudomonas putida (a hydrophilic bacterium) and Rhodococcus erythropolis (a hydrophobic bacterium) were the chosen bacteria. The different types of surfactant altered bacterial hydrophobicity to differing extents but had an equivalent effect on the hydrophobicity of sand particles. In the presence of surfactant solution, a higher proportion of hydrophilic P. putida (76.7%) was eluted out of the column compared to the hydrophobic R. erythropolis (60.3%). Both rhamnolipid and tergitol enhanced the transport of both bacterial strains. However, the larger enhancement in bacteria transport observed for rhamnolipid was attributed to increased Lifshitz-van der Waals and acid-base (LW-AB) interaction energies between bacteria and sand particles. A continuous supply of microbubbles was found able to transport bacteria into the soil using a smaller amount of surfactant. In comparison to a propeller mixer, microbubbles generated by a flat spinning disc mixer were more stable and could elute a greater proportion of bacteria. Microbubbles of rhamnolipid eluted a greater percentage of the injected bacteria compared to tergitol, because rhamnolipid microbubbles showed more stability and higher affinity for bacteria. Hydrophilic P. putida was more likely to be transported with microbubble than hydrophobic R. erythropolis due to the favourable adhesion of hydrophobic R. erythropolis to sand particles. Bacterial transport increased considerably in porous media with higher porosity. Bacteria transport in columns was monitored using both ex situ measurement with a microplate photometer and in situ measurement with the optrode. The optrode measurement demonstrated that sample collection, which is necessary for measurement with conventional ex situ approaches, could affect the local bacterial transport in sand columns. In columns with ex situ sampling, optrode measurements differed from the ex situ concentrations, with the breakthrough curves for optrode showing smaller bacterial concentrations and a larger lag than those obtained via ex situ measurements. However, when the optrode and ex situ measurements were conducted in independent columns, their concentrations and breakthrough curves were almost identical. The transport parameters obtained by fitting the breakthrough curves showed that estimates from the optrode data were more consistent with less error. This study provides very useful information on bacteria transport with surfactant solutions and microbubbles in sand columns simulating soil environment. It has demonstrated that optimizing parameters including surfactant type and form, and bacteria strain can contribute to enhanced bacteria transport when surfactant solution and microbubble are used as the bacteria carrier during soil bioremediation. This study also validates the operation of an innovative technique, the optrode, for real time monitoring of bacteria transport without the need to take bacterial samples.
Author :
Publisher :
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.E/5 ( download)
Download or read book EPA-600/9 written by and published by . This book was released on 1979-08 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jessica R. Hanson
Publisher :
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (62 download)
Download or read book Biodegradation of Toluene and Methyl Tert-butyl Ether (MTBE) by Pure Bacterial Cultures written by Jessica R. Hanson and published by . This book was released on 2001 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Krishna R. Reddy
Publisher : John Wiley & Sons
ISBN 13 : 0470523646
Total Pages : 756 pages
Book Rating : 4.4/5 (75 download)
Download or read book Electrochemical Remediation Technologies for Polluted Soils, Sediments and Groundwater written by Krishna R. Reddy and published by John Wiley & Sons. This book was released on 2009-08-04 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt: An unmatched reference on electrochemical technologies for soil, sediment, and groundwater pollution remediation Electrochemical technologies are emerging as important approaches for effective and efficient pollution remediation, both on their own and in concert with other remediation techniques. Electrochemical Remediation Technologies for Polluted Soils, Sediments and Groundwater provides a systematic and clear explanation of fundamentals, field applications, as well as opportunities and challenges in developing and implementing electrochemical remediation technologies. Written by leading authorities in their various areas, the text summarizes the latest research and offers case studies that illustrate equipment, installation, and methods employed in real-world remediations. Divided into nine sections, the coverage includes: Introduction and fundamental principles Remediation of heavy metals and other inorganic pollutants Remediation of organic pollutants Remediation of mixed contaminants Electrokinetic barriers Integrated (coupled) technologies Mathematical modeling Economic and regulatory considerations Field applications and performance assessment Unique as a comprehensive reference on the subject, Electrochemical Remediation Technologies for Polluted Soils, Sediments and Groundwater will serve as a valuable resource to all environmental engineers, scientists, regulators, and policymakers.
Author : Inamuddin
Publisher : Elsevier
ISBN 13 : 0128233796
Total Pages : 566 pages
Book Rating : 4.1/5 (282 download)
Download or read book Green Sustainable Process for Chemical and Environmental Engineering and Science written by Inamuddin and published by Elsevier. This book was released on 2021-06-25 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: Green Sustainable Process for Chemical and Environmental Engineering and Science: Microbially-Derived Biosurfactants for Improving Sustainability in Industry explores the role biosurfactants may play in providing more sustainable, environmentally benign, and economically efficient solutions for mitigating challenges experienced in the industrial sector. Sections cover an introduction to their production and review their application across a broad range of industry applications, from polymer and biofuel production to lubrification and corrosion protection. Drawing on the knowledge of its expert team of global contributors, the book provides useful insights for all those currently or potentially interested in developing or applying biosurfactants in their own work. As awareness and efforts to develop greener products and processes continue to grow in the chemistry community, biosurfactants are garnering much attention for the potential roles they can play, both in reducing the use and production of more toxic products and as tools for addressing existing problems. - Highlights effective bioprocessing techniques, bioprocessing, agrowaste, and factors affecting production - Reflects on differing strains of fungi, bacteria, actinomycetes and yeast, and reviews genetic modification of such strains for enhanced biosurfactant production - Explores the use of biosurfactants across a broad range of industrial applications
Author : Robert D. Norris
Publisher : CRC Press
ISBN 13 : 1351363441
Total Pages : 377 pages
Book Rating : 4.3/5 (513 download)
Download or read book Handbook of Bioremediation (1993) written by Robert D. Norris and published by CRC Press. This book was released on 2017-11-22 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by leading soil and ground-water remediation scientists, Handbook of Bioremediation presents information regarding the processes, application, and limitations of using remediation technologies to restore contaminated soil and ground water. It covers field-tested technologies, site characterization requirements for each remediation technology, and the costs associated with their implementation. In addition to discussions and examples of developed technologies, the book provides insights into technologies ranging from theoretical concepts to limited field-scale investigations. In situ remediation systems, air sparging and bioventing, the use of electron acceptors other than oxygen, natural bioremediation, and the introduction of organisms into the subsurface are among the specific topics covered in this invaluable handbook.
Author : Surajit Das
Publisher : Elsevier
ISBN 13 : 0323900135
Total Pages : 648 pages
Book Rating : 4.3/5 (239 download)
Download or read book Microbial Biodegradation and Bioremediation written by Surajit Das and published by Elsevier. This book was released on 2021-11-24 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microbial Biodegradation and Bioremediation: Techniques and Case Studies for Environmental Pollution, Second Edition describes the successful application of microbes and their derivatives for bioremediation of potentially toxic and relatively novel compounds in the environment. Our natural biodiversity and environment is in danger due to the release of continuously emerging potential pollutants by anthropogenic activities. Though many attempts have been made to eradicate and remediate these noxious elements, thousands of xenobiotics of relatively new entities emerge every day, thus worsening the situation. Primitive microorganisms are highly adaptable to toxic environments, and can reduce the load of toxic elements by their successful transformation and remediation. This completely updated new edition presents many new technologies and techniques and includes theoretical context and case studies in every chapter. Microbial Biodegradation and Bioremediation: Techniques and Case Studies for Environmental Pollution, Second Edition serves as a single-source reference and encompasses all categories of pollutants and their applications in a convenient, comprehensive format for researchers in environmental science and engineering, pollution, environmental microbiology, and biotechnology. Describes many novel approaches of microbial bioremediation including genetic engineering, metagenomics, microbial fuel cell technology, biosurfactants and biofilm-based bioremediation Introduces relatively new hazardous elements and their bioremediation practices including oil spills, military waste water, greenhouse gases, polythene wastes, and more Provides the most advanced techniques in the field of bioremediation, including insilico approach, microbes as pollution indicators, use of bioreactors, techniques of pollution monitoring, and more Completely updated and expanded to include topics and techniques such as genetically engineered bacteria, environmental health, nanoremediation, heavy metals, contaminant transport, and in situ and ex situ methods Includes theoretical context and case studies within each chapter
Author : M. P. Esposito
Publisher :
ISBN 13 :
Total Pages : 262 pages
Book Rating : 4.3/5 (91 download)
Download or read book Dioxins: Sources, exposure, transport, and control written by M. P. Esposito and published by . This book was released on 1980 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. Baveye
Publisher : Springer Science & Business Media
ISBN 13 : 9401592357
Total Pages : 502 pages
Book Rating : 4.4/5 (15 download)
Download or read book Bioavailability of Organic Xenobiotics in the Environment written by P. Baveye and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the continuing fight against organic environmental xenobiotics, the initial success attributed to bioremediation has paled, in part due to the low availability of xenobiotics entrapped within a soil or sediment matrix. This has generated a very significant wave of interest in the bioavailability issue. However, much experimental evidence is puzzling or contradictory, mechanistic theories are embryonic, and implications for the practice of bioremediation or concerning the natural fate of xenobiotics are still tentative. The debate in Europe and the USA is vigorous. Eastern Europe, following the liberalisation of the economy and political life, is evolving in a similar direction. In many cases, however, limited access to literature sources, severe language barriers, and the lack of a strong pluridisciplinary tradition are hampering the adoption of state of the art techniques. Originally intended to allow scientists in East European countries to become acquainted with the key aspects of the bioavailability debate that is unfolding in the scientific literature in the West, and with its implications for bioremediation efforts, the present book presents a very complete coverage of the theoretical and practical aspects of the (limited) bioavailability of organic xenobiotics in the environment.
Author :
Publisher : Newnes
ISBN 13 : 0080885047
Total Pages : 5304 pages
Book Rating : 4.0/5 (88 download)
Download or read book Comprehensive Biotechnology written by and published by Newnes. This book was released on 2011-08-26 with total page 5304 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of Comprehensive Biotechnology, Six Volume Set continues the tradition of the first inclusive work on this dynamic field with up-to-date and essential entries on the principles and practice of biotechnology. The integration of the latest relevant science and industry practice with fundamental biotechnology concepts is presented with entries from internationally recognized world leaders in their given fields. With two volumes covering basic fundamentals, and four volumes of applications, from environmental biotechnology and safety to medical biotechnology and healthcare, this work serves the needs of newcomers as well as established experts combining the latest relevant science and industry practice in a manageable format. It is a multi-authored work, written by experts and vetted by a prestigious advisory board and group of volume editors who are biotechnology innovators and educators with international influence. All six volumes are published at the same time, not as a series; this is not a conventional encyclopedia but a symbiotic integration of brief articles on established topics and longer chapters on new emerging areas. Hyperlinks provide sources of extensive additional related information; material authored and edited by world-renown experts in all aspects of the broad multidisciplinary field of biotechnology Scope and nature of the work are vetted by a prestigious International Advisory Board including three Nobel laureates Each article carries a glossary and a professional summary of the authors indicating their appropriate credentials An extensive index for the entire publication gives a complete list of the many topics treated in the increasingly expanding field
Author : Alexandra B. Ribeiro
Publisher : John Wiley & Sons
ISBN 13 : 1119670179
Total Pages : 720 pages
Book Rating : 4.1/5 (196 download)
Download or read book Electrokinetic Remediation for Environmental Security and Sustainability written by Alexandra B. Ribeiro and published by John Wiley & Sons. This book was released on 2021-03-05 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrokinetic Remediation for Environmental Security and Sustainability Explore this comprehensive reference on the remediation of contaminated substrates, filled with cutting-edge research and practical case studies Electrokinetic Remediation for Environmental Security and Sustainability delivers a thorough review of electrokinetic remediation (EKR) for the treatment of inorganic and organic contaminants in contaminated substrates. The book highlights recent progress and developments in EKR in the areas of resource recovery, the removal of pollutants, and environmental remediation. It also discusses the use of EKR in conjunction with nanotechnology and phytoremediation. Throughout the book, case studies are presented that involve the field implementation of EKR technologies. The book also includes discussions of enhanced electrokinetic remediation of dredged co-contaminated sediments, solar-powered bioelectrokinetics for the mitigation of contaminated agricultural soil, advanced electro-fenton for remediation of organics, electrokinetic remediation for PPCPs in contaminated substrates, and the electrokinetic remediation of agrochemicals such as organochlorine compounds. Other topics include: A thorough introduction to the modelling of electrokinetic remediation An exploration of the electrokinetic recovery of tungsten and removal of arsenic from mining secondary resources An analysis of pharmaceutically active compounds in wastewater treatment plants with a discussion of electrochemical advanced oxidation as an on-site treatment A review of rare earth elements, including general concepts and recovery techniques, like electrodialytic extraction A treatment of hydrocarbon-contaminated soil in cold climate conditions Perfect for environmental engineers and scientists, geologists, chemical engineers, biochemical engineers, and scientists working with green technology, Electrokinetic Remediation for Environmental Security and Sustainability will also earn a place in the libraries of academic and industry researchers, engineers, regulators, and policy makers with an interest in the remediation of contaminated natural resources.
