Biodegradability of Forest Products in Laboratory- and Field- Scale Municipal Solid Waste (MSW) Landfills PDF Download
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Author: Xiaoming Wang
Publisher:
ISBN:
Category :
Languages : en
Pages : 175
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Book Description
Author: Xiaoming Wang
Publisher:
ISBN:
Category :
Languages : en
Pages : 175
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Landfills are the highest source of anthropogenic methane in the United States. Although it is known that methane and carbon dioxide are common products of anaerobic degradation, the amount of methane and carbon dioxide produced is not known for some individual components of municipal solid waste (MSW). Accordingly, there is no data on methane yield or the amount of carbon sequestered during the anaerobic degradation of wood, a common component of MSW. It is important to obtain these data to estimate landfill methane yields and the role of wood in methane emissions. The objective of this research was to develop data to predict the rate and extent of wood decomposition in landfills. The decomposition of wood products was analyzed in reactors filled with a hardwood, a softwood and four engineered woods (plywood, oriented strand board, particleboard and medium-density fiberboard). They are the dominant types of wood products produced in the United States according to the United States Department of Agriculture (USDA). Experiments were conducted in triplicate in 8-L reactors containing the shredded wood and seeded with well decomposed refuse. To promote optimal biodegradation, reactors were maintained in a room at 35Ã'°C and operated with leachate recirculation and neutralization. Nitrogen and phosphorus were added to ensure that their availability did not limit the extent of degradation. Methane yields of 29.93, 7.40, 6.23, 66.55, 5.31, 4.59 ml of CH4/ dry gram of wood, were measured for hardwood, softwood, plywood, oriented strand board, particleboard and medium-density fiberboard, respectively. Natural extractives in the hardwood and softwood tested, did not have an effect on methane yield while the synthetic resins used in engineered woods contributed to the measured methane yields.
Author: Morton A. Barlaz
Publisher:
ISBN:
Category : Forest products industry
Languages : en
Pages : 46
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Author: Forest Products Laboratory (U.S.)
Publisher:
ISBN:
Category : Recycling (Waste, etc.)
Languages : en
Pages : 1
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Author:
Publisher:
ISBN:
Category : Waste products
Languages : en
Pages :
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Author: Christon J. Hurst
Publisher: Springer
ISBN: 3030107779
Category : Science
Languages : en
Pages : 405
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Book Description
This book presents a summary of terrestrial microbial processes, which are a key factor in supporting healthy life on our planet. The authors explain how microorganisms maintain the soil ecosystem through recycling carbon and nitrogen and then provide insights into how soil microbiology processes integrate into ecosystem science, helping to achieve successful bioremediation as well as safe and effective operation of landfills, and enabling the design of composting processes that reduce the amount of waste that is placed in landfills. The book also explores the effect of human land use, including restoration on soil microbial communities and the response of wetland microbial communities to anthropogenic pollutants. Lastly it discusses the role of fungi in causing damaging, and often lethal, infectious diseases in plants and animals.
Author: Hiroshan Hettiarachchi
Publisher: Springer Nature
ISBN: 3030362833
Category : Technology & Engineering
Languages : en
Pages : 236
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Book Description
Organic waste composting is another excellent example to demonstrate the power and the benefits of nexus thinking. Even though organic waste composting itself is not a new topic, those who want to start a new project or align an ongoing project with nexus thinking, find it difficult to gather the necessary information. With nine case studies from four continents, this book aims to fill above gap in literature. While current literature on composting is often found to be limited to either soil/agriculture sector or waste management sector, this book presents a combined point of view. This open access book starts with an introductory chapter that describes the need to bring the waste management aspects and soil nutrient management aspects of compost production into one integrated theme. The relevance of nexus thinking and the Sustainable Development Goals (SDGs) are also presented in this introduction. The first three chapters after the introduction covers composting from the solid waste management and its policy aspects, taking examples from three developing countries. The next three examples are mostly about the benefits composting can provide to the soil and agriculture. These examples are also from three developing countries, but with a mixture of urban as well as rural settings. Last three chapters present more insight into the latest developments taking examples from Europe, as well as new methods adapted from the traditional styles from Africa.
Author: Archis Ramesh Ambulkar
Publisher:
ISBN:
Category : Anaerobic biotechnology
Languages : en
Pages : 494
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Book Description
Throughout the United States (U.S.), landfilling is the most common means to dispose of municipal solid waste (MSW). There are currently 1858 permitted MSW landfills in operation in the U.S. and many of these landfills are nearing capacity. A local example of this is Lycoming County Landfill. Landfilling is a land-intensive process that achieves a modest degree of biological conversion of MSW to methane. Whereas methane is a valuable energy product, landfills are unable to capture all of the produced methane. Purpose of this research was therefore to determine the effect of the following treatments on subsequent anaerobic biodegradability of MSW: heat and caustic, ultrasonic, microwave, and metals supplementation.
Author: Timothy G. Townsend
Publisher: Routledge
ISBN: 1351435892
Category : Science
Languages : en
Pages : 202
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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: William L. Rathje
Publisher: University of Arizona Press
ISBN: 9780816521432
Category : Social Science
Languages : en
Pages : 284
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Book Description
It is from the discards of former civilizations that archaeologists have reconstructed most of what we know about the past, and it is through their examination of today's garbage that William Rathje and Cullen Murphy inform us of our present. Rubbish! is their witty and erudite investigation into all aspects of the phenomenon of garbage. Rathje and Murphy show what the study of garbage tells us about a population's demographics and buying habits. Along the way, they dispel the common myths about our "garbage crisis"—about fast-food packaging and disposable diapers, about biodegradable garbage and the acceleration of the average family's garbage output. They also suggest methods for dealing with the garbage we do have.
