نتایج جستجو برای: waste landfills
تعداد نتایج: 82525 فیلتر نتایج به سال:
As pressure for new infrastructure and development grows, it is inevitable that building projects will encounter some of the c20,000 closed former solid waste landfills in the UK, many of which will have accepted municipal solid wastes (MSW). Construction on or across these sites brings a special set of geohazards associated with the potential for large and difficult to predict settlements, gas...
Modelling for environmental assessment of municipal solid waste landfills (part II: biodegradation).
The biodegradation module of a simulation program for municipal solid waste landfills (MODUELO) was developed. The biodegradation module carries out the balance of organic material starting with the results of the hydrologic simulation and the waste composition. It simulates the biologic reactions of hydrolysis of solids and the gasification of the dissolved biodegradable material. The results ...
this research work attempts to compare the legal and technical criteria of locating household and municipal landfills and discuss them along with legal and technical principles. for this purpose, it was attempted to discuss and compare the related most important national an international standards. due to say, employing the legal standards of locating household and municipal landfills in corpo...
this research work attempts to compare the legal and technical criteria of locating household and municipal landfills and discuss them along with legal and technical principles. for this purpose, it was attempted to discuss and compare the related most important national an international standards. due to say, employing the legal standards of locating household and municipal landfills in corpor...
Landfilling is one of the most widely used techniques, despite its numerous environmental problems, for the treatment and disposal of solid wastes. Significant effort has been directed toward the development of improved landfill designs to reduce the negative environmental impacts. Still, at present, about three quarters of the countries and territories around the world use 'open dumping' metho...
By mechanical-biological treatment (MBT) of residual municipal solid waste the behaviour of landfills can be significantly improved. After MBT the organic content (COD and BOD5), total organic carbon, and total nitrogen in the leachate, as well as the gas production rate, are reduced to values lower than 90% of the fresh untreated waste. The volume of the stabilized material to be disposed on l...
This article examines how RFID (radio frequency identification) is poised to help transform the way we handle our trash our MSW (Municipal Solid Waste). We provide an overview showing that trash trends in the United States are not good, as modern life has meant increasing volumes of trash that can be disposed of in fewer and fewer landfills. We examine how RFID can be employed in the MSW area t...
introduction Tannery waste management is a serious problem for tanning and leather industry facilities. Those branches generate large quantities of waste, consume substantial amounts of energy and in the general opinion are considered „air polluters”. The methods of tannery waste management applied thus far are insufficient, thus considerable portions of such waste are stored on landfills. The ...
Hillary Inyang’s article in the September 1, 2004, Environmental Science &Technology, “Modeling the Long-Term Performance of Waste Containment Systems: Better models will help predict what happens to containments in 50 or 1000 years” presents a discussion of some of the issues that need to be considered/evaluated in developing landfills for waste storage. However, her statement at the conclusio...
Global generation of municipal solid waste (MSW) is now ~1200 Tg/yr (1 Tg = 10 g), >70% of which is landfilled. Landfilling of waste contributes ~30-35 Tg methane (CH4 )annually to the world's total CH4 emission of ~550 Tg/yr. Recycling and thermal treatment of waste in wasteto-energy (WtE) facilities contribute equally to diverting MSW from the waste stream destined for landfills and to mitiga...
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