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Enhanced Stabilisation Of Municipal Solid Waste In Bioreactor Landfills
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Book Synopsis Enhanced stabilisation of municipal solid waste in bioreactor landfills by : Roberto Valencia Vazquez
Download or read book Enhanced stabilisation of municipal solid waste in bioreactor landfills written by Roberto Valencia Vazquez and published by CRC Press. This book was released on 2008-12-01 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis Enhanced Stabilisation of Municipal Solid Waste in Bioreactor Landfills by : Roberto Valencia Vázquez
Download or read book Enhanced Stabilisation of Municipal Solid Waste in Bioreactor Landfills written by Roberto Valencia Vázquez and published by . This book was released on 2008 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis focused on the interaction and modification of the factors controlling the waste stabilisation process in a bioreactor landfill. The results revealed that biological stabilisation can be achieved. In conclusion, this research reduced our current gaps-in-knowledge and offered feasible technical alternatives to control and steer the processes occurring in a bioreactor landfill.
Book Synopsis Dynamic Characteristics and Stability Analysis of Municipal Solid Waste in Bioreactor Landfills by : Mohamed Adil Haque
Download or read book Dynamic Characteristics and Stability Analysis of Municipal Solid Waste in Bioreactor Landfills written by Mohamed Adil Haque and published by ProQuest. This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Bioreactor landfills are operated to enhance refuse decomposition, gas production, and waste stabilization. The major aspect of bioreactor landfill operation is the recirculation of generated leachate back through the refuse mass. Due to the accelerated decomposition and settlement of solid waste, bioreactor landfills are gaining popularity as an alternative to the conventional landfill designed under Subtitle D regulations. However, recirculation of leachate or addition of water to accelerate the waste decomposition changes the biodegradation and geotechnical characteristics of waste mass. Our understanding of changes in engineering characteristics of solid waste with accelerated decomposition is limited. There is a need to understand and explain the changes in characteristics associated with stability analysis of landfills. The objective of this research is to study the changes in strength characteristics of municipal solid waste (MSW) in bioreactor landfills with time and decomposition. In order to understand the changes in strength properties of MSW in bioreactor landfills with time and decomposition an experimental program was developed. Eight small scale reactors, representative of bioreactor landfill, were built in laboratory, and samples were prepared to represent different phases of decomposition. The state of decomposition was quantified by methane yield, pH, and volatile solids. The geotechnical testing program (CD triaxial test and resonant column tests) was performed to determine shear strength and dynamic characteristics of MSW in bioreactor landfill. The test results indicated that the measured shear strength and dynamic properties of MSW are significantly affected by the degree of decomposition. The friction angle of MSW decreased from 26.7° in Phase I to 19° in Phase IV. The shear modulus increased from 2.11 MPa in Phase I to 12.56 MPa in Phase IV. The change in shear strength and dynamic properties of MSW was attributed to the breakdown in fibrous nature of solid waste particles with degradation. Based on the measured experimental results, stability analyses were conducted. The finite element program PLAXIS and limit equilibrium program STABL was used to analyze the stability of MSW in bioreactor landfills. The stability was evaluated at both under normal and those during earthquake conditions. The factor of safety estimated using PLAXIS and GSTABL under both the conditions decreased as the solid waste degraded with time. The results indicates that the stability of bioreactor landfills should be evaluated using the strength characteristics determined as a function of time and decomposition rather than using average values.
Book Synopsis Landfill Bioreactor Design & Operation by : Timothy G. Townsend
Download or read book Landfill Bioreactor Design & Operation written by Timothy G. Townsend and published by Routledge. This book was released on 2018-12-19 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Comparative Study of Biodegradation of Municipal Solid Waste in Simulated Aerobic and Anaerobic Bioreactor Landfills by : Septa Rendra
Download or read book Comparative Study of Biodegradation of Municipal Solid Waste in Simulated Aerobic and Anaerobic Bioreactor Landfills written by Septa Rendra and published by . This book was released on 2007 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sustainable Practices for Landfill Design and Operation by : Timothy G. Townsend
Download or read book Sustainable Practices for Landfill Design and Operation written by Timothy G. Townsend and published by Springer. This book was released on 2015-07-16 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Pollution Control and Resource Recovery by : Zhao Youcai
Download or read book Pollution Control and Resource Recovery written by Zhao Youcai and published by Butterworth-Heinemann. This book was released on 2016-11-18 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pollution Control and Resource Recovery: Municipal Solid Wastes at Landfill provides pollution control and resource reuse technologies that cover the research and development achievements gained in recent years, providing the most up-to-date information on an emerging field in solid waste management. Provides technology and methods for the recycling of aged refuse from closed landfills Includes leachate generation processes in municipal solid waste landfills Presents novel approaches to landfilling for leachate and methane control, covering the research and development achievements gained in recent years
Book Synopsis Landfill aeration by : Rainer Stegmann
Download or read book Landfill aeration written by Rainer Stegmann and published by . This book was released on 2007 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sustainable Management of Land, Water and Pollution of Built-up Area by : Krishna Kumar Singh
Download or read book Sustainable Management of Land, Water and Pollution of Built-up Area written by Krishna Kumar Singh and published by Springer Nature. This book was released on with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biomass Processes and Chemicals by : James G. Speight
Download or read book Biomass Processes and Chemicals written by James G. Speight and published by Elsevier. This book was released on 2022-02-13 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biomass Processes and Chemicals is written to assist the reader in understanding the options available for the production of chemicals from biomass. Petroleum-based and natural gas-based chemicals are well-established products that have served industry and consumers for more than one hundred years. However, time is running out and natural gas and petroleum are now being depleted. Thus, the need for alternative technologies to produce chemicals is necessary. Chemicals produced from sources are now coming into place for the establishment of a chemicals-from-biomass industry, hence this book covers these advancements. Introduces a variety of biomass feedstocks as sources of chemicals Includes accurate background science and technology for technological options Features a very thorough approach for topical matters Written in a highly structured way by a globally recognized authority in the field
Book Synopsis Encyclopedia of Renewable Energy by : James G. Speight
Download or read book Encyclopedia of Renewable Energy written by James G. Speight and published by John Wiley & Sons. This book was released on 2022-01-19 with total page 1266 pages. Available in PDF, EPUB and Kindle. Book excerpt: ENCYCLOPEDIA OF RENEWABLE ENERGY Written by a highly respected engineer and prolific author in the energy sector, this is the single most comprehensive, thorough, and up-to-date reference work on renewable energy. The world’s energy industry is and has always been volatile, sometimes controversial, with wild swings upward and downward. This has, historically, been mostly because most of our energy has come from fossil fuels, which is a finite source of energy. Every so often, a technology comes along, like hydrofracturing, that is a game-changer. But is it, really? Aren’t we just delaying the inevitable with these temporary price fixes The only REAL game-changer is renewable energy. For decades, renewable energy sources have been sought, developed, and studied. Sometimes wind is at the forefront, sometimes solar, and, for the last decade or so, there has been a surge in interest for biofeedstocks and biofuels. There are also the “old standbys” of nuclear and geothermal energy, which have both been around for a very long time. This groundbreaking new volume presents these topics and trends in an encyclopedic format, as a go-to reference for the engineer, scientist, student, or even layperson who works in the industry or is simply interested in the topic. Compiled by one of the world’s best-known and respected energy engineers, this is the most comprehensive and up-to-date encyclopedia of renewable energy ever written, a must-have for any library. Encyclopedia of Renewable Energy: Is written in an encyclopedic style, covering every aspect of renewable energy, including wind, solar, and many other topics Offers a comprehensive coverage of the industry, from the chemical processes of biofeedstocks and biofuels to the machinery and equipment used in the production of fuel and power generation Is filled with workable examples and designs that are helpful for practical applications Covers the state of the art, an invaluable resource for any engineer Audience Engineers across a variety of industries, including wind, solar, process engineering, waste utilization for fuels, and many others, such as process engineers, chemical engineers, electrical engineers, petroleum engineers, civil engineers, and the technicians and other scientists who work in this field
Book Synopsis The Biofuels Handbook by : James G Speight
Download or read book The Biofuels Handbook written by James G Speight and published by Royal Society of Chemistry. This book was released on 2015-10-09 with total page 575 pages. Available in PDF, EPUB and Kindle. Book excerpt: Petroleum-based fuels are well-established products that have served industry and consumers for more than one hundred years. However petroleum, once considered inexhaustible, is now being depleted at a rapid rate. As the amount of available petroleum decreases, the need for alternative technologies to produce liquid fuels that could potentially help prolong the liquid fuels culture and mitigate the forthcoming effects of the shortage of transportation fuels is being sought. The dynamics are now coming into place for the establishment of a synthetic fuels industry; the processes for recovery of raw materials and processing options have to change to increase the efficiency of oil production and it is up to various levels of government not only to promote the establishment of such an industry but to recognise the need for available and variable technology. This timely handbook is written to assist the reader in understanding the options that available for the production of synthetic fuel from biological sources. Each chapter contains tables of the chemical and physical properties of the fuels and fuel sources. It is essential that the properties of such materials be presented in order to assist the researcher to understand the nature of the feedstocks as well as the nature of the products. If a product cannot be employed for its hope-for-use, it is not a desirable product and must be changed accordingly. Such plans can only be made when the properties of the original product are understood. The fuels considered include conventional and unconventional fuel sources; the production and properties of fuels from biomass, crops, wood, domestic and industrial waste and landfill gas.
Book Synopsis Recycling of Solid Waste for Biofuels and Bio-chemicals by : Obulisamy Parthiba Karthikeyan
Download or read book Recycling of Solid Waste for Biofuels and Bio-chemicals written by Obulisamy Parthiba Karthikeyan and published by Springer. This book was released on 2016-08-10 with total page 429 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the latest advances in and current research perspectives on the field of urban/industrial solid waste recycling for bio-energy and bio-fuel recovery. It chiefly focuses on five main thematic areas, namely bioreactor landfills coupled with energy and nutrient recovery; microbial insights into anaerobic digestion; greenhouse emission assessment; pyrolysis techniques for special waste treatment; and industrial waste stabilization options. In addition, it compiles the results of case studies and solid waste management perspectives from different countries.
Book Synopsis Alkanes—Advances in Research and Application: 2012 Edition by :
Download or read book Alkanes—Advances in Research and Application: 2012 Edition written by and published by ScholarlyEditions. This book was released on 2012-12-26 with total page 994 pages. Available in PDF, EPUB and Kindle. Book excerpt: Alkanes—Advances in Research and Application: 2012 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Alkanes. The editors have built Alkanes—Advances in Research and Application: 2012 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Alkanes in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Alkanes—Advances in Research and Application: 2012 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Book Synopsis Slope Stability of Bioreactor Landfills During Leachate Injection: Effects of Heterogeneous and Anisotropic Municipal Solid Waste Conditions by :
Download or read book Slope Stability of Bioreactor Landfills During Leachate Injection: Effects of Heterogeneous and Anisotropic Municipal Solid Waste Conditions written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In bioreactor landfills, leachate recirculation can significantly affect the stability of landfill slope due to generation and distribution of excessive pore fluid pressures near side slope. The current design and operation of leachate recirculation systems do not consider the effects of heterogeneous and anisotropic nature of municipal solid waste (MSW) and the increased pore gas pressures in landfilled waste caused due to leachate recirculation on the physical stability of landfill slope. In this study, a numerical two-phase flow model (landfill leachate and gas as immiscible phases) was used to investigate the effects of heterogeneous and anisotropic nature of MSW on moisture distribution and pore-water and capillary pressures and their resulting impacts on the stability of a simplified bioreactor landfill during leachate recirculation using horizontal trench system. The unsaturated hydraulic properties of MSW were considered based on the van Genuchten model. The strength reduction technique was used for slope stability analyses as it takes into account of the transient and spatially varying pore-water and gas pressures. It was concluded that heterogeneous and anisotropic MSW with varied unit weight and saturated hydraulic conductivity significantly influenced the moisture distribution and generation and distribution of pore fluid pressures in landfill and considerably reduced the stability of bioreactor landfill slope. It is recommended that heterogeneous and anisotropic MSW must be considered as it provides a more reliable approach for the design and leachate operations in bioreactor landfills.
Book Synopsis Biomethanization of the Organic Fraction of Municipal Solid Wastes by : J. Mata-Alvarez
Download or read book Biomethanization of the Organic Fraction of Municipal Solid Wastes written by J. Mata-Alvarez and published by IWA Publishing. This book was released on 2002-08-31 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biomethanization of the Organic Fraction of Municipal Solid Wastes is a comprehensive introduction to both the fundamentals and the more practical aspects of the anaerobic digestion of organic solid wastes, particularly those derived from households, that is, the organic fraction of municipal solid wastes (OFMSW). It can be used as a textbook for specialized courses and also as a guide for practitioners. In the first part, the book covers the relevant aspects of anaerobic digestion (AD) of organic wastes. The fundamentals and kinetic aspects of AD are reviewed with particular emphasis on the aspects related to solid wastes. This introduction is necessary to have a comprehensive view of the AD process and to understand the practical principles as well as the origin of possible problems arising from the management of the process. Chapter 2 emphasizes the role of kinetics in designing the reactor, paying special attention to existing models, particularly the dynamic ones. Through this introduction, it is intended to facilitate the technology transfer from laboratory or pilot plant experiences to full-scale process, in order to implement improvements in current digesters. Laboratory methods are described for the analysis and optimization of reactor performance, such as methanogenic activity tests or experimental evaluation of the biodegradation kinetics of solid organic waste. The different reaction patterns applied to industrial reactors are outlined. Industrial reactors are classified in accordance with the system they use, pointing out advantages and limitations. Co-digestion, enabling the co-treatment of organic wastes of different origin in a more economically feasible way, is described in detail. Examples of co-digestion are given, with OFMSW as a base-substrate. Finally, full-scale co-digestion plants are discussed. Various types (mechanical, biological, physico-chemical) of pre-treatment to increase the biodegradability, and thus the yields of the process, are reviewed in detail. The use of the fermentation products of anaerobic digesters for biological nutrient removal processes in wastewater treatment plants is described. This constitutes an example of integrated waste management, a field in which both economic and technical advances can be achieved. Balances are given to justify the approach, and a full-scale case study is presented. The important topic of economics and the ecological advantages of the process are emphasized. The use of compost, the integration with composting technology, and advantages over other technologies are detailed in the framework of an environmental impact assessment of biowaste treatment. Finally, the anaerobic digestion of MSW in landfills is reviewed in detail, with emphasis on landfill process enhancement and strategies for its application.
Book Synopsis Circular Economy in Municipal Solid Waste Landfilling: Biomining & Leachate Treatment by : Pankaj Pathak
Download or read book Circular Economy in Municipal Solid Waste Landfilling: Biomining & Leachate Treatment written by Pankaj Pathak and published by Springer Nature. This book was released on 2022-08-12 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will serve as a ready reckoner of contemporary information regarding municipal solid waste landfill biomining, treatment of landfill leachate and heavy metals in a single platform. The academicians, researchers, and students at master’s and doctoral levels will be able to understand the current trends in municipal solid waste landfill operations, which will help in augmenting their research. Construction of new landfills requires huge monetary investments, which can be avoided if old landfills were bio-mined for resources and the space can be re-used as new landfills. Landfill leachate is a hazardous waste which needs proper treatment that could generate value-added products such as clean energy and biofertilizers. In this book, each chapter would provide the background, methodology, and relevant calculations for sustaining landfill operations. Also, the case studies based on best practices in municipal solid waste landfilling are discussed in this book.
