خيارات البحث
النتائج 1 - 10 من 65
Studies on the availability of carbonized poultry manure using as broiler house sheeting material
2000
Hayashi, N. (Saga Univ. (Japan). Faculty of Agriculture) | Fujita, S.
Waste management programme for agricultural district : organization assumptions, financing possibilities
2000
Talalaj, I. (Politechnika Bialostocka, Bialystok (Poland). Katedra Ochrony Srodowiska)
The bill of a new Waste Act - made to enter European Union provisions - puts under the obligation to do Waste Management Programme. In consequence of this there is a need of making a complete waste programmes, which meet a new requirements. In paper a Waste Management Programme made for one of district in north-eastern Poland is presented. There is described a district characteristic as well as previously situation in waste management. On the ground of monitoring investigations a prognosis of waste quantity and composition is shown. On the faith of it there is proposed a storage, disposal and utilization system of municipality waste. The paper includes also society participation in programme and possibilities of project financing
اظهر المزيد [+] اقل [-]Relation between responses in the neutral red retention test and the comet assay and life history parameters of Daphnia magna
2000
Besten, P.J. den | Tuk, C.W.
Slow desorption of PCBs and chlorobenzenes from soils and sediments: relations with sorbent and sorbate characteristics
2000
Cornelissen, G. | Hassell, K.A. | Noort, P.C.M. van | Kraaij, R. | Ekeren, P.J. van | Dijkema, C. | Jager, P.A. de | Govers, H.A.J.
Reconciling Anthropocentrism and Biocentrism Through Adaptive Management: The Case of the Waste Isolation Pilot Plant and Public Risk Perception
2000
Thrower, Alex W. | Martinez, J Michael
Environmental policy issues often cannot be resolved owing to differences between anthropocentrists who adhere to neoclassical economic principles and biocentrists who argue in favor of a broad conception of sustainable development. This article examines the two perspectives in the context of radioactive waste management by presenting a case study involving public risk perception of the Waste Isolation Pilot Plant (WIPP). WIPP is a mining program under-taken by the U.S. Department of Energy's Office of Environmental Management to demonstrate the safe transportation and disposal of transuranic waste, a by-product of nuclear weapons production. The authors conclude that U.S. waste management programs such as WIPP can garner support only if a means for genuine, meaningful public participation is provided through adaptive management principles that “bridge the gap,” to the extent possible, between anthropocentric and biocentric perspectives.
اظهر المزيد [+] اقل [-]The Republic of Yemen : Comprehensive Development Review, Environment
2000
World Bank
The review focuses on development and the environment in Yemen, particularly analyzing the environment resource base, where renewable fresh water is scarce, mainly ground water, and its over exploitation is one of the country's major environmental problems. Fisheries resources are also important, while oil and gas are significant resources contributing to some eighty five percent of Yemen's export revenues. Environmental problems are caused fundamentally due to: population growth; poverty; and institutional weaknesses. Main issues discussed include water depletion, pollution and supply; land, and habitat degradation, in addition to soil erosion; and, loss of biodiversity, mostly resulting from poor management of water and eco-tourism. Waste water and solid waste management, including hazardous waste and pesticide management, are outlined as serious environmental problems, requiring immediate appropriate disposal. Priority actions of the national environment action plan identify the need for institutional capacity building regarding environmental management, to include local pilot programs, as well as disaster preparedness at Aden, and Hodeidah ports concerning oil spills. Likewise, the water resources authority should be strengthened, to include the development of water resources information systems, and a comprehensive Water Law. Land use planning should be established to promote land zoning, and registration; a desertification control program should be implemented, and grazing reserves, and pest management techniques promoted. It is suggested waste management would be improved through privatization of solid waste collection, of water treatment, and of disposal of hazardous wastes, while the regulation of hospital waste disposal, should undergo pilot testing.
اظهر المزيد [+] اقل [-]The Republic of Yemen : Comprehensive Development Review, Environment
2000
World Bank
The review focuses on development and the environment in Yemen, particularly analyzing the environment resource base, where renewable fresh water is scarce, mainly ground water, and its over exploitation is one of the country's major environmental problems. Fisheries resources are also important, while oil and gas are significant resources contributing to some eighty five percent of Yemen's export revenues. Environmental problems are caused fundamentally due to: population growth; poverty; and institutional weaknesses. Main issues discussed include water depletion, pollution and supply; land, and habitat degradation, in addition to soil erosion; and, loss of biodiversity, mostly resulting from poor management of water and eco-tourism. Waste water and solid waste management, including hazardous waste and pesticide management, are outlined as serious environmental problems, requiring immediate appropriate disposal. Priority actions of the national environment action plan identify the need for institutional capacity building regarding environmental management, to include local pilot programs, as well as disaster preparedness at Aden, and Hodeidah ports concerning oil spills. Likewise, the water resources authority should be strengthened, to include the development of water resources information systems, and a comprehensive Water Law. Land use planning should be established to promote land zoning, and registration; a desertification control program should be implemented, and grazing reserves, and pest management techniques promoted. It is suggested waste management would be improved through privatization of solid waste collection, of water treatment, and of disposal of hazardous wastes, while the regulation of hospital waste disposal, should undergo pilot testing.
اظهر المزيد [+] اقل [-]Sediment in the main channel of the river Meuse, study on the quantitative effects of sediment on the ecological development
2000
Burg, M.C. van den
The oxygen regime of the Common Meuse, analysis of field measurements in summer and relationships with macroinvertebrates and fish | Le cycle de l'oxyène dans la Meuse Mitoyenne, analyse des mesures de terrain en été et impacts sur les macro-invertébrés et les poissons
2000
Schulze, F.H. | Greijdanus-Klaas, M. | Ertsen, A.C.D.
Energy recovery from municipal solid waste - the environmental perspective
2000
Oung, K.L. | Liew, S.S. | Mun, S.Y.
not to mention that EfW also provides a viable means of energy recovery in the form of power and heat. Other recoverable meterials include fly ash and bottom ash that can be used for construction or road base materials, and scrap metals that can be diverted to steel mills for recycling. EfW facility has its associated environmental hazards. Typical pollutants formed during the incineration of MSW are particulates, oxides of nitrogen (NO subscript x), carbon monoxide (CO), acid gases such as HF and HCl, dioxins and furans (PCDD/PCDF) and heavy metals. However, an optimally designed EfW facility, complete with the installation of pollution control system, should be able to lminimise the production of pollutants during the combustion process and the subsequent release of such substances to the environment via gaseous emissions, wastewater and ash residues. This paper addresses four environmental perspectives associated with an EfW facility, viz. waste materials, energy recovery, gaseous emissions and wastewater/ash residues. Some foreign experience, especially those in the developed countries, in making an EfW a success are also presented. | As the population increases exponentially in most of the major cities in many countries, the handling and disposal of MSW in these cities is of great challenge to the local municipalities. Thus the need for proven technologies, coupled with pollution control system to be employed, for the integrated solid waste management is significant. Incineration with energy recovery, commonly termed as Energy-from-Waste (EfW) or Waste-to-Energy (WTE) us a viable option for MSW management in urban areas where land is scarce. It could perhaps be the only solution for MSW management in the densely populated cities in many Asian countries. EfW does not only reduce the volume and weight of waste, it also reduces the toxic, degradable and leachable contents of the waste to inert materials which is safe for landfill
اظهر المزيد [+] اقل [-]