WASTE VITRIFICATION PROCESS (AVS) AND MELTING PROCESS

摘要

For the technical field of waste vitrification, an improved process for in-canister vitrification in a disposable canister with a vitrified product while minimizing leachability, product crystallization, volatilization of waste, foaming and container corrosion. Waste (50) is added to a disposable canister from the top. Radiant energy (40) is added to the space above the waste in the canister to form a pool of melted waste (60) at the bottom of the canister. The temperature of the melted waste decreases with increasing depth of the waste in the canister permitting the formation of a solidified product (70) below the melt pool. The process continues until the disposable canister is filled, then all heating is stopped and the disposable canister allowed to cool to ambient temperature.