SEPA Handbook / Vitrification Tech no log ies for Treatment of Hazardous and Radioactive Waste
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Demonstration plasma gasification/vitrification system for effective hazardous waste treatment.
Plasma gasification/vitrification is a technologically advanced and environmentally friendly method of disposing of waste, converting it to commercially usable by-products. This process is a drastic non-incineration thermal process, which uses extremely high temperatures in an oxygen-starved environment to completely decompose input waste material into very simple molecules. The intense and ver...
متن کاملStructural properties of iron-phosphate glasses: spectroscopic studies and ab initio simulations.
Vitrification is the most effective method for the immobilization of hazardous waste by incorporating toxic elements into a glass structure. Iron phosphate glasses are presently being considered as matrices for the storage of radioactive waste, even of those which cannot be vitrified using conventional borosilicate waste glass. In this study, a structural model of 60P2O5-40Fe2O3 glass is propos...
متن کاملGranite like materials from hazardous wastes obtained by sintercrystallisation of glass frits
The present paper discusses sintered glass–ceramics with attractive appearance, which are obtained by vitrification of hazardous industrial wastes. The chemical durability of parent wastes and resulting glasses was characterised by toxic characteristics leaching procedure (TCLP). The crystallisation behaviour was evaluated by DTA and XRD, while the structure of materials was observed by optical...
متن کاملRf Thermal Plasma Vitrification of Incinerator Bottom and Fly Ashes with Waste Glasses from Fluorescent Lamps
Thermal plasma vitrification is a successfully used technology to treat and recycle hazardous wastes. High plasma temperatures enable to destroy complex molecules and to encapsulate the toxic elements in a non-leaching glass or ceramic matrix, obtaining nonhazardous wastes with large volume reductions. In this work, hazardous incinerator residues (bottom and fly ashes) have been treated by mean...
متن کاملUsing Vitrification for Sewage Sludge Combustion Ash Disposal
The aim of this paper is to show possibilities for effective processing of hazardous waste using the vitrification method, which is recommended for disposing of ash from the combustion of sewage sludge and developing a process for the conversion of waste to a sustainable and environmentally safe product. The use of vitrification solves the problem of utilizing some hazardous waste by simultaneo...
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