نتایج جستجو برای: waste quantification
تعداد نتایج: 162570 فیلتر نتایج به سال:
Introduction Halogenated polycyclic aromatic hydrocarbons (PAHs) are widespread environmental pollutants 1,2 . Chlorinated PAHs (ClPAHs) and brominated PAHs (BrPAHs) are structurally similar to other halogenated hydrocarbons such as polychlorinated dibenzo-p-dioxins (PCDDs), dibenzofurans (PCDFs), and biphenyls (PCBs). Although the environmental fates and effects of dioxins have been studied in...
The management of urban sewer systems requires data about variability and discharge of typical waste water sources in urban catchments. Especially the infiltration of groundwater and the inflow of surface water (I/I) are important for decisions about rehabilitation and operation of sewer networks. In this paper a new methodology is presented which supports the identification and quantification ...
Safety assessments of technological systems, such as nuclear power plants, chemical process facilities, and hazardous waste repositories, require the investigation of the occurrence and consequences of rare events. The subjectivistic (Bayesian) theory of probability is the appropriate framework within which expert opinions, which are essential to the quantification process, can be combined with...
Disasters occur due to both the natural and man-made activities. Hazards and Disasters are categorized into four groups, viz., Natural events, Technological events, Man-made events and Region-wise events. The adverse impacts caused due to the indiscriminate disposal of Hazardous Wastes (HWs) come under the category of Environmental Disasters. Hazardous Waste Management (HWM) is a very important...
Information related to the potential environmental exposure of engineered nanomaterials (ENMs) in the solid waste management phase is extremely scarce. In this paper, we define nanowaste as separately collected or collectable waste materials which are or contain ENMs, and we present a five-step framework for the systematic assessment of ENM exposure during nanowaste management. The framework in...
EXECUTIVE SUMMARY This paper introduces a framework developed for the waste management sector supported by Performance Indicators. It was designed in order to be coherent and articulate and to enable full integration of its information. These indicators proved to be a useful management tool. This framework includes 167 performance indicators (PI) divided into two types of information: 58 Contex...
Materials and energy used for the construction of modern waste incineration plants were quantified. The data was collected from five incineration plants (72,000-240,000 tonnes per year) built in Scandinavia (Norway, Finland and Denmark) between 2006 and 2012. Concrete for the buildings was the main material used amounting to 19,000-26,000 tonnes per plant. The quantification further included si...
In the frame of maintenance, upgrade and dismantling activities, activated equipment are removed from accelerator complex require characterization in view their disposal as radioactive waste. The process consists a series radiation measurements, complemented by analytical studies, which quantify activity radionuclides inside an object. A fraction waste produced at CERN presents contact dose-rat...
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