Technologies for in situ immobilization and isolation of radioactive wastes at disposal and contaminated sites
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Advances in encapsulation technologies for the management of mercury-contaminated hazardous wastes.
Although industrial and commercial uses of mercury have been curtailed in recent times, there is a demonstrated need for the development of reliable hazardous waste management techniques because of historic operations that have led to significant contamination and ongoing hazardous waste generation. This study was performed to evaluate whether the U.S. EPA could propose treatment and disposal a...
متن کاملSolid wastes from nuclear power production.
Radioactivity in nuclear power effluents is negligible compared to that in retained wastes to be disposed of as solids. Two basic waste categories are those for which shallow disposal is accepted and those for which more extreme isolation is desired. The latter includes "high level" wastes and others contaminated with radionuclides with the unusual combined properties of long radioactive half-l...
متن کاملتثبیت کبالت و کادمیم در رس‌های خاک به کمک انرژی حرارتی
Environmental pollution is one of the major problems for humans and animals. Radioactive wastes and heavy metals are important sources of pollution. Recent studies suggest that soil and geomedia have a high potential for the disposal of radioactive wastes and heavy metals. The clay minerals in geomedia can act as a barrier against radioactive wastes and heavy metals. However, enough information...
متن کاملRadioactive Waste Assay for Reclassification
Following the ban on deep sea disposal of radioactive wastes in 1983 the Atomic Weapons Establishment (AWE) in the United Kingdom (UK) has stored plutonium (Pu) and uranium (U) contaminated wastes on site in 200 l steel drums or as wrapped packages containing filters or other materials. This was because of difficulty in demonstrating compliance with the with the 100 Bq/g Pu alpha activity limit...
متن کاملRADIOACTIVE DISCHARGE FROM PATIENTS WITH THYROID CANCER UNDER 131I TREATMENT AND ITS SAFE DISPOSAL TO PUBLIC DRAINAGE
The treatment of thyroid cancer using an unsealed source of radioactive materials is usually associated with a large amount of 131I. A major problem for hospital admission of these patients is the waste disposal which requires protection of the public. 152 patients with thyroid cancer admitted to the nuclear medicine department of Said AI- Shohada Hospital for UI I treatment were studied. 1...
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تاریخ انتشار 2002