long term effects of sewage sludge and farm slurries applications

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Long Term Effects Of Sewage Sludge And Farm Slurries Applications

Author : J.H. Williams
ISBN : 9780203210796
Genre : Science
File Size : 63. 62 MB
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Anaerobic digestion has no effect on the quantity of the waste treated, but it affects its quality and its usefulness as fertilizer. This conference proceedings collection of twenty papers delves into the issue.

The Science Of Composting

Author : Marco de Bertoldi
ISBN : 9789400915695
Genre : Science
File Size : 20. 87 MB
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The European Union initially demonstrated its interest in waste in the late 70s with the progamme on Waste Recycling Research and Development. At that time composting was only present as a coordination activity and it was only later that specific research programmes in the area were within Europe which was largely instrumental in setting up a series of European conferences, seminars and work shops. Some of these have resulted in publications which have made significant contributions to developments in the understanding of composting and the use of composts. In particular the outputs from meetings in Oxford ( 1984), Udine (1986), Neresheim ( 1988) and Angers ( 1991) are worthy of note. Composting has seen significant changes since the 70s when the major thrust in Europe was using mixed municipal solid waste as a feed material. Many com posting plants which were built to use this material were closed due to the poor quality of the compost which made it very difficult to market. As a result the main areas of interest, as far as the municipa1ities are concemed, are now with biowaste and source-separated organics. This interest is apparent from the many new plants which are being constructed across Europe, and the ready market which exists for the products. In parallel with the renewed interest of the municipalities other areas, such as agriculture and the wastewater treatment industries, are also developing their own schemes.

Chemistry Of Trace Elements In Fly Ash

Author : Kenneth S. Sajwan
ISBN : 0306477424
Genre : Nature
File Size : 33. 92 MB
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The accumulation of large amounts of ash from fossil fuel combustion for electric power plant generation is becoming a major environmental concern in the United States. Furthermore, stringent environmental regulations mandated by the Environmental Protection Agency through the Clean Air Act, Clean Water Act, Resource Conservation and Recovery Act, as well as state and local environmental regulations may result in even more ash production with subsequent contact with the environment. The concentrations of trace elements in coal residues are extremely variable and depend on the composition of the original coal, conditions during combustion, the efficiency of emission control devices, storage and handling ofbyproducts, and climate. The research papers in this book were presented as a part of the Sixth International Conference on the Biogeochemistry of Trace Elements held at the University of Guelph, Ontario, Canada, from July 29-August 2, 2001. The purpose of this corit'erence was to present current knowledge on the source, pathways, behavior and effects of trace elements in soils, waters, plants and animals. In addition, the book also includes invited research papers from scientists who have done significant research in the area of coal and coal combustion byproducts. All the research papers presented herein have been subjected to peer review.

Progress In Nitrogen Cycling Studies

Author : O. van Cleemput
ISBN : 9789401154505
Genre : Nature
File Size : 62. 67 MB
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This book contains the proceedings of the `8th Nitrogen Workshop' which was held at the University of Ghent, Belgium, from 5 to 8 September 1994. Although nitrogen dynamics in different ecosystems have been studied for several decades, new orientations and other emphases have recently emerged. Previously, nitrogen was considered as an essential element mostly in terms of productivity, but now, more emphasis is attached to environmental consequences. More than 100 contributions in this book tackle recent developments within the fields of nitrogen advice systems, plant response to fertilization, immobilization and mobilization, nitrification, denitrification, leaching, ammonia volatilization and biological nitrogen fixation. A large number of papers is devoted to the formation of gaseous nitrogen compounds, while mineralization-immobilization is another topic of important interest. The book also contains the reports of discussion groups on different aspects of the nitrogen cycle.

Pollution Abstracts

Author :
ISBN : UOM:39015010268251
Genre : Pollution
File Size : 76. 17 MB
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Selected Water Resources Abstracts

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ISBN : PSU:000068689094
Genre : Water
File Size : 84. 64 MB
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Wastewater Treatment Technology

Author : Paul N. Cheremisinoff
ISBN : 0872012476
Genre : Groundwater
File Size : 79. 74 MB
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This reference examines the impact of acids, metals, oils, and other water-borne wastes on forests, crops, watersheds, lakes, rivers, and wildlife. It focuses on the key areas of treatment and disposal of wastewater and sludge, and the groundwater effects associated with the migration of wastes.

Agricultural Recycling Of Sewage Sludge And The Environment

Author : Stephen Russel Smith
ISBN : STANFORD:36105019229249
Genre : Agricultural ecology
File Size : 69. 53 MB
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Sewage sludge application to land is the principal way of deriving a beneficial use for sludge by recycling plant nutrients and organic matter for crop production. It is becoming ever more important as other options for the disposal of sewage sludge are diminishing. Agricultural application also provides a cost-effective method of sludge disposal, but it is essential that sludge recycling in agriculture is regulated to minimize potential environmental problems. This book, based on work funded by the Foundation for Water Research, provides an overview of the environmental impact of sludge application to agricultural land and relates it to other accepted agricultural practices. It puts the potential environmental effects into perspective and distinguishes between perceived and real risk. It is a significant contribution to thinking on this increasingly important topic and is relevant to students and researchers in soil, crop and environmental science. It will also be vital for all those involved in the waste and water industries.

Journal Of Production Agriculture

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ISBN : UCSC:32106018249877
Genre : Agriculture
File Size : 59. 90 MB
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Author :
ISBN : UCAL:B4444426
Genre : Agricultural chemistry
File Size : 39. 13 MB
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