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Field Evaluation Of An Envirex Gac Fluid Bed Bioreactor Treatment Of Chlorobenzene In Groundwater
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Book Synopsis Field Evaluation of an Envirex GAC Fluid-Bed Bioreactor Treatment of Chlorobenzene in Groundwater by :
Download or read book Field Evaluation of an Envirex GAC Fluid-Bed Bioreactor Treatment of Chlorobenzene in Groundwater written by and published by . This book was released on 1995 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although granular activated carbon (GAC), fluidized-bed bioreactors have been widely used for treatment of groundwater containing readily biodegradable organic compounds, there is only limited experience with treatment of chlorinated organics found at many DOD and industrial sites. This report summarizes performance data from a field evaluation of an Envirex model 30 bioreactor operated at various chlorobenzene concentrations and organic loading rates over a 7-month period. The work was conducted under a collaborative research and development agreement between US Air Force Armstrong Laboratory and the Dow Chemical Company. Microorganisms used to seed the bioreactor were provided by activated sludge from the site, as well as indigenous chlorobenzene-degrading bacteria present in the groundwater. Removal efficiencies exceeding 99.99% were achieved at organic loading rates between 6 and 10 pounds of total oxygen demand (lb TOD) per 25 cubic feet per day and hydraulic residence times of 7 minutes. Influent chlorobenzene concentrations ranging from 100 to 170 ppm were consistently reduced to below the detection limit of 10 ppb. Additional studies conducted at loading rates in excess of 10 pounds TOD per 25 cubic feet per day were useful for identifying critical operating parameters and potential system improvements, but were not representative of performance at lower loadings. Economic evaluation suggested that groundwater treatment costs for the bioreactor were lower than other conventional technologies. (AN).
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1996 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flotation Technology by : Lawrence K. Wang
Download or read book Flotation Technology written by Lawrence K. Wang and published by Springer Science & Business Media. This book was released on 2010-06-09 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt: The past 30 years have seen the emergence of a growing desire worldwide that positive actions be taken to restore and protect the environment from the degrading effects of all forms of pollution – air, water, soil, and noise. Since pollution is a direct or indirect consequence of waste, the seemingly idealistic demand for “zero discharge” can be construed as an unreal- tic demand for zero waste. However, as long as waste continues to exist, we can only attempt to abate the subsequent pollution by converting it to a less noxious form. Three major questions usually arise when a particular type of pollution has been identi?ed: (1) How serious is the pollution? (2) Is the technology to abate it available? and (3) Do the costs of abatement justify the degree of abatement achieved? This book is one of the volumes of the Handbook of Environmental Engineering series. The principal intention of this series is to help readers formulate answers to the last two questions above. The traditional approach of applying tried-and-true solutions to speci?c pollution p- blems has been a major contributing factor to the success of environmental engineering and has accounted in large measure for the establishment of a “methodology of pollution control. ” However, the realization of the ever-increasing complexity and interrelated nature of current environmental problems renders it imperative that intelligent planning of pollution abatement systems be undertaken.
Book Synopsis Fundamentals of Water Treatment Unit Processes by : David Hendricks
Download or read book Fundamentals of Water Treatment Unit Processes written by David Hendricks and published by CRC Press. This book was released on 2016-04-19 with total page 930 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carefully designed to balance coverage of theoretical and practical principles, Fundamentals of Water Treatment Unit Processes delineates the principles that support practice, using the unit processes approach as the organizing concept. The author covers principles common to any kind of water treatment, for example, drinking water, municipal wastew
Book Synopsis Sanitary Landfill Design and Operation by : Dirk R. Brunner
Download or read book Sanitary Landfill Design and Operation written by Dirk R. Brunner and published by . This book was released on 1972 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Air Emissions from the Treatment of Soils Contaminated with Petroleum Fuels and Other Substances by :
Download or read book Air Emissions from the Treatment of Soils Contaminated with Petroleum Fuels and Other Substances written by and published by . This book was released on 1992 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water Treatment Unit Processes by : David W. Hendricks
Download or read book Water Treatment Unit Processes written by David W. Hendricks and published by CRC Press. This book was released on 2018-10-03 with total page 1266 pages. Available in PDF, EPUB and Kindle. Book excerpt: The unit process approach, common in the field of chemical engineering, was introduced about 1962 to the field of environmental engineering. An understanding of unit processes is the foundation for continued learning and for designing treatment systems. The time is ripe for a new textbook that delineates the role of unit process principles in environmental engineering. Suitable for a two-semester course, Water Treatment Unit Processes: Physical and Chemical provides the grounding in the underlying principles of each unit process that students need in order to link theory to practice. Bridging the gap between scientific principles and engineering practice, the book covers approaches that are common to all unit processes as well as principles that characterize each unit process. Integrating theory into algorithms for practice, Professor Hendricks emphasizes the fundamentals, using simple explanations and avoiding models that are too complex mathematically, allowing students to assimilate principles without getting sidelined by excess calculations. Applications of unit processes principles are illustrated by example problems in each chapter. Student problems are provided at the end of each chapter; the solutions manual can be downloaded from the CRC Press Web site. Excel spreadsheets are integrated into the text as tables designated by a "CD" prefix. Certain spreadsheets illustrate the idea of "scenarios" that emphasize the idea that design solutions depend upon assumptions and the interactions between design variables. The spreadsheets can be downloaded from the CRC web site. The book has been designed so that each unit process topic is self-contained, with sidebars and examples throughout the text. Each chapter has subheadings, so that students can scan the pages and identify important topics with little effort. Problems, references, and a glossary are found at the end of each chapter. Most chapters contain downloadable Excel spreadsheets integrated into the text and appendices with additional information. Appendices at the end of the book provide useful reference material on various topics that support the text. This design allows students at different levels to easily navigate through the book and professors to assign pertinent sections in the order they prefer. The book gives your students an understanding of the broader aspects of one of the core areas of the environmental engineering curriculum and knowledge important for the design of treatment systems.
Download or read book Bioremediation in the Field written by and published by . This book was released on 1990-11 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seminars on bioremediation of hazardous waste sites practical approaches to implementation. by :
Download or read book Seminars on bioremediation of hazardous waste sites practical approaches to implementation. written by and published by DIANE Publishing. This book was released on 1993 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Item no. 0431-I-01.
Book Synopsis Subsurface Characterization and Monitoring Techniques: Solids and ground water, appendices A and B by :
Download or read book Subsurface Characterization and Monitoring Techniques: Solids and ground water, appendices A and B written by and published by . This book was released on 1993 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis In-situ Air Sparging - Engineering and Design (EM 1110-1-4005). by :
Download or read book In-situ Air Sparging - Engineering and Design (EM 1110-1-4005). written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Assessing UST Corrective Action Technologies by : Patrick J. Reidy
Download or read book Assessing UST Corrective Action Technologies written by Patrick J. Reidy and published by . This book was released on 1990 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book EPA-540/R. written by and published by . This book was released on 1992 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis In Situ Bioreclamation by : Robert E. Hinchee
Download or read book In Situ Bioreclamation written by Robert E. Hinchee and published by Elsevier. This book was released on 2013-10-22 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Situ Bioreclamation: Applications and Investigations for Hydrocarbon and Contaminated Site Remediation is a collection of selected papers submitted by participants to the international symposium ""In Situ and On-Site Bioreclamation"", held in San Diego, California in March 1991. The book consists of articles, which represent a substantial technical contribution, and technical notes, and brief technology descriptions or reports of preliminary or less substantial studies that proposes and exposes various solutions for the biological treatment of contaminated soil, water, and gas. This volume is one of two that represent the most complete and up-to-date set of papers at the time. The book covers the most comprehensive collection of treatises that presents practices in the reversal of damages to the environment. Solutions vary from proven commercially available technologies for some applications, such as reactor treatment of petroleum hydrocarbons in aqueous steams, to fundamental research in others, such as genetic engineering to develop strains of biodegradable xenobiotics. Environmentalists, scientists, students of natural sciences, civil engineers, and those concerned with the preservation and restoration of nature will find this book invaluable.
Book Synopsis Emerging Technologies in Hazardous Waste Management by : Daniel William Tedder
Download or read book Emerging Technologies in Hazardous Waste Management written by Daniel William Tedder and published by . This book was released on 1990 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new volume describes developing technologies for treating and managing wastewaters and solid residues, such as soils and incinerator ashes, that are contaminated. It includes chapters on such diverse topics as municipal solid wastes, water purification by radiation, the isolation of organic species and inorganic radionuclides, and solvent recycling. Several chapters cover radiolysis chemistry in dilute aqueous media, solar treatment, chemical separations, the biological and chemical treatment of soils and sludges, and solids immobilization. This volume is a useful introduction to hazardous waste treatment for the novice as well as a valuable reference for the technical expert.
Book Synopsis The Bioremediation in the Field Search System by :
Download or read book The Bioremediation in the Field Search System written by and published by . This book was released on 1994 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biotechnology for the 21st Century by : DIANE Publishing Company
Download or read book Biotechnology for the 21st Century written by DIANE Publishing Company and published by DIANE Publishing. This book was released on with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Identifies important areas for Federal investment, & specific research in agriculture, environmental biotechnology, manufacturing & bioprocessing, marine biotechnology & aquaculture, & infrastructure. Includes 13 Federal agency overviews: USAID, USDA, DoC, DoD, DoE, DHHS, DoI, DoJ, DoS, DVA, EPA, NASA, & NSF. Stresses the need to research the effects that biotechnology can have on society before going ahead with new advances. Discusses the impact of biotechnology in legal, societal, & economic issues. Glossary. Photos & charts.
