نتایج جستجو برای: waste landfills
تعداد نتایج: 82525 فیلتر نتایج به سال:
Human-produced waste is a major environmental concern, with communities considering various waste management practices, such as increased recycling, landfilling, incineration, and waste-to-energy technologies. This article is concerned with how and why publics assemble around waste management issues. In particular, we explore Noortje Marres and Bruno Latour's theory that publics do not exist pr...
BACKGROUND The evidence on the health effects related to residing close to landfills is controversial. Nine landfills for municipal waste have been operating in the Lazio region (Central Italy) for several decades. We evaluated the potential health effects associated with contamination from landfills using the estimated concentration of hydrogen sulphide (H2S) as exposure. METHODS A cohort of...
Geosynthetic separation boxes made from recycled polymeric materials were designed to increase the waste landfill amount and develop the hydraulic performance in steep slope sides in the waste landfills. To evaluate the advantages of these geosynthetic separation boxes, index tests were conducted in order to compare the geonet composites and geosynthetic separation boxes. The tensile strength r...
The environmental waste problem in southern Italy is now reaching epic proportions and the problem has been linked to increasing rates of cancer. At the end of June, 2004, protestors blocked the rail links between northern and southern Italy, complaining about the re-opening of a previously condemned rubbish dump. The dump was brought back into service after household waste built up in the stre...
To use land as a repository for materials that can be assimilated without adverse impacts on the environment has been the fervour of landfill managers all around the globe. While it is inevitable that a landfill will receive an assorted range of materials from municipal sources pretreatment and processing of the waste dumped has been constantly looked upon as a commendable option. Operating lan...
Landfilling has been the major method to dispose waste for the decades, thus there are thousands of landfills around the world. Landfills contain large amount of resources, which could be used as material or energy. There is an increasing interest for landfill mining which means excavation and processing of waste materials mined from landfills. While previous landfill composition studies have f...
Landfill Gas to Energy This research investigates the utilization of landfill gas, an abundant waste product, by reforming it to syngas that can be converted to liquid fuels using Fischer Tropsch or to a H2 rich stream using water-gas shift. 65% of the 413 million tons of municipal solid waste (MSW) generated per year in the United States is landfilled, and 67% of the landfilled MSW is composed...
Eleven million tonnes of waste are produced yearly by the European pulp and paper industry, of which 70% originates from the production of deinked recycled paper. Wastes are very diverse in composition and consist of rejects, different types of sludges and ashes in mills having on-site incineration treatment. The production of pulp and paper from virgin pulp generates less waste but the waste h...
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