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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 139
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Book Description
The Yolo County Department of Planning and Public Works is constructing a full-scale bioreactor landfill as a part of the Environmental Protection Agency's (EPA) Project XL program to develop innovative approaches for carbon sequestration and greenhouse emission control. The overall objective is to manage landfill solid waste for rapid waste decomposition and maximum landfill gas generation and capture for carbon sequestration and greenhouse emission control. Waste decomposition is accelerated by improving conditions for either the aerobic or anaerobic biological processes and involves circulating controlled quantities of liquid (leachate, groundwater, gray water, etc.), and, in the aerobic process, large volumes of air. The first phase of the project entails the construction of a 12-acre module that contains a 6-acre anaerobic cell, a 3.5-acre anaerobic cell, and a 2.5-acre aerobic cell at the Yolo County Central Landfill near Davis, California. The cells are highly instrumented to monitor bioreactor performance. Construction is complete on the 3.5-acre anaerobic cell and liquid addition has commenced. Construction of the 2.5-acre aerobic cell is nearly complete with only the biofilter remaining and construction of the west-side 6-acre anaerobic cell is nearly complete with only the liquid addition system remaining. The current project status and preliminary monitoring results are summarized in this report.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The Yolo County Department of Planning and Public Works constructed a full-scale bioreactor landfill as a part of the Environmental Protection Agency's (EPA) Project XL program to develop innovative approaches for carbon sequestration and greenhouse emission control. The overall objective was to manage landfill solid waste for rapid waste decomposition and maximum landfill gas generation and capture for carbon sequestration and greenhouse emission control. Waste decomposition is accelerated by improving conditions for either the aerobic or anaerobic biological processes and involves circulating controlled quantities of liquid (leachate, groundwater, gray water, etc.), and, in the aerobic process, large volumes of air. The first phase of the project entailed the construction of a 12-acre module that contained a 6-acre anaerobic cell, a 3.5-acre anaerobic cell, and a 2.5-acre aerobic cell at the Yolo County Central Landfill near Davis, California. The cells were highly instrumented to monitor bioreactor performance. Liquid addition commenced in the 3.5-acre anaerobic cell and the 6-acre anaerobic cell. Construction of the 2.5-acre aerobic cell and biofilter has been completed. The current project status and preliminary monitoring results are summarized in this report.
Author: Timothy G. Townsend
Publisher: Routledge
ISBN: 1351435884
Category : Science
Languages : en
Pages : 204
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Book Description
Using biotechnology to help control landfill processes can mitigate costs, shorten the time needed to process solid waste, and ease the typical ecological damage to the land being used. This first-of-its-kind book provides regulators, designers, landfill owners, and operators with information that supports the utility of landfill bioreactors and provides design and operating criteria essential for the successful application of this technology. It pulls together laboratory, pilot, and full-scale experiences into one concise guide to designing and running municipal landfills as bioreactors. Landfill Bioreactor Design and Operation covers the history and background of landfill technology, research studies of actual bioreactor landfills, expected leachate and gas yields, specific design criteria, operation guidelines, and reuse of landfill sites to avoid having to establish new sites. For anyone looking for an alternative to large, wasteful landfill sites, this book provides a practical alternative to the problem.
Author: Barry Leonard
Publisher: DIANE Publishing
ISBN: 0756733510
Category : Science
Languages : en
Pages : 161
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Book Description
In the 21st century, management of municipal solid waste (MSW) continues to be an important environmental challenge facing the U.S. Climate change is also a serious issue, & the U.S. is embarking on a number of voluntary actions to reduce the emissions of greenhouse gases (GHGs) that can intensify climate change. By presenting material-specific GHG emission factors for various waste management options, this report examines how the two issues -- MSW management & climate change -- are related. The report's findings may be used to support a variety of programs & activities, including voluntary reporting of emission reductions from waste management practices. Charts, tables & graphs.
Author: Timothy G. Townsend
Publisher: Springer
ISBN: 1493926624
Category : Science
Languages : en
Pages : 483
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Book Description
Solid waste management is a global concern, and landfilling remains the predominant management method in most areas of the world. This book provides a comprehensive view of state-of-the-art methods to manage landfills more sustainably, drawing upon more than two decades of research, design, and operational experiences at operating sites across the world. Sustainable landfills implement one or multiple technologies to control and enhance the degradation of waste materials to realize a multitude of potential benefits during or shortly after the landfill’s operating phase. This book presents detailed approaches in the development, design, operation, and monitoring of sustainable landfills. Case studies showcasing the benefits and challenges of sustainable landfill technologies are also provided to give the reader additional context. The intent of the book is to serve as a reference guide for regulatory personnel, a practical tool for designers and engineers to build on for site-specific applications of sustainable landfill technologies, and a comprehensive resource for researchers who are continuing to explore new and better ways to more sustainably manage waste materials.
Author: Roberto Valencia Vazquez
Publisher: CRC Press
ISBN: 1439828377
Category : Nature
Languages : en
Pages : 159
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Book Description
Municipal solid waste entombed in landfills will produce pollution in the form of landfill gas and leachate when the barriers fail in the long term. Bioreactor landfills are an alternative solution to avoid such negative impacts and to achieve a more stable residue, the so-called Final Storage Quality (FSQ) of residues. However, until now the main
Author:
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ISBN:
Category :
Languages : en
Pages :
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Book Description
Methane is an important contributor to global warming with a total climate forcing estimated to be close to 20% that of carbon dioxide (CO2) over the past two decades. The largest anthropogenic source of methane in the US is 'conventional' landfills, which account for over 30% of anthropogenic emissions. While controlling greenhouse gas emissions must necessarily focus on large CO2 sources, attention to reducing CH4 emissions from landfills can result in significant reductions in greenhouse gas emissions at low cost. For example, the use of 'controlled' or bioreactor landfilling has been estimated to reduce annual US greenhouse emissions by about 15-30 million tons of CO2 carbon (equivalent) at costs between $3-13/ton carbon. In this project we developed or advanced new management approaches, landfill designs, and landfill operating procedures for bioreactor landfills. These advances are needed to address lingering concerns about bioreactor landfills (e.g., efficient collection of increased CH4 generation) in the waste management industry, concerns that hamper bioreactor implementation and the consequent reductions in CH4 emissions. Collectively, the advances described in this report should result in better control of bioreactor landfills and reductions in CH4 emissions. Several advances are important components of an Intelligent Bioreactor Management Information System (IBM-IS).
Author: Raffaello Cossu
Publisher: Elsevier
ISBN: 0124078818
Category : Science
Languages : en
Pages : 1190
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Book Description
Solid Waste Landfilling: Concepts, Processes, Technology provides information on technologies that promote stabilization and minimize environmental impacts in landfills. As the main challenges in waste management are the reduction and proper treatment of waste and the appropriate use of waste streams, the book satisfies the needs of a modern landfill, covering waste pre-treatment, in situ treatment, long-term behavior, closure, aftercare, environmental impact and sustainability. It is written for practitioners who need specific information on landfill construction and operation, but is also ideal for those concerned about the possible return of these sites to landscapes and their subsequent uses for future generations. Includes input by international contributors from a vast number of disciplines Provides worldwide approaches and technologies Showcases the interdisciplinary nature of the topic Focuses on sustainability, covering the lifecycle of landfills under the concept of minimizing environmental impact Presents knowledge of the legal framework and economic aspects of landfilling
Author: Rainer Stegmann
Publisher:
ISBN: 9788862650021
Category : Sanitary landfills
Languages : en
Pages : 348
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Book Description
Author:
Publisher:
ISBN:
Category : Bioreactor landfills
Languages : en
Pages : 128
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Book Description
Author: Dounia El Khatib
Publisher:
ISBN:
Category :
Languages : en
Pages : 136
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Book Description
Bioreactor landfills allow a more active landfill management that recognizes the biological, chemical and physical processes involved in a landfill environment. The bioreactor landfill provides control and process optimization, primarily through the addition of leachate or other liquid amendments. This research presents an analysis of leachate, gas and solid parameters data collected during the Acid Formation Phase of anaerobic solid waste decomposition in simulated bioreactor landfills. The main focus of the study is the analysis of the effect of temperature on solid waste decomposition in bioreactor landfills. In accordance with this objective, three simulated landfill bioreactors were designed and constructed at the EPA Center Hill Facility. Two of the lysimeters were operating at a normal temperature of 37oC and the third was operating at high temperature (60oC). The lysimeters were filled with synthetic municipal solid waste (MSW) material prepared at the site, typical to the landfill composition waste generated in the USA, and reported by U.S. EPA 2008. In the first part of this study, the results of the indicator parameters are analyzed to quantify the effect of temperature on the waste degradation in bioreactor landfills. Tables and graphical representation of the data are provided for each of the three lysimeters, and compared in order to study the variation of biodegradation of MSW according to the temperature. In the second part of the study, landfill settlement has been studied in order to predict the settlement in bioreactor landfills. Prediction of landfill settlement is one of the important parameters that affect the design and maintenance of bioreactor landfills. Settlement is known to be a function of many factors (i.e. moisture, density, type of waste etc.); therefore, large number of variables is involved in the settlement mechanism. In this work, a biodegradation settlement model incorporating two parameters (A and B) was developed. In addition, an empirical check of the settlement model was studied, using an exponential function to fit the settlement.
