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    • 23. 发明专利
    • Advanced vitrification system filling process
    • AU3651501A
    • 2001-11-12
    • AU3651501
    • 2001-01-24
    • POWELL JAMES RREICH MORRIS
    • POWELL JAMES RREICH MORRIS
    • C03B5/00C03B5/02C03B5/06G21F9/30G21F9/00
    • A method of filling a canister with vitrified waste starting with a waste, such as high-level radioactive waste, that is cooler than its melting point. Waste is added incrementally to a canister forming a column of waste capable of being separated into an upper zone and a lower zone. The minimum height of the column is defined such that the waste in the lower zone can be dried and melted while maintaining the waste in the upper zone below its melting point. The maximum height of the column is such that the upper zone remains porous enough to permit evolved gases from the lower zone to flow through the upper zone and out of the canister. Heat is applied to the waste in the lower zone to first dry then to raise and maintain its temperature to a target temperature above the melting point of the waste. Then the heat is applied to a new lower zone above the melted waste and the process of adding, drying and melting the waste continues upward in the canister until the entire canister is filled and the entire contents are melted and maintained at the target temperature for the desired period. Cooling of the melted waste takes place incrementally from the bottom of the canister to the top, or across the entire canister surface area, forming a vitrified product.
    • 30. 发明申请
    • WASTE VITRIFICATION PROCESS (AVS) AND MELTING PROCESS
    • 废物处理过程(AVS)和熔化过程
    • WO02091392B1
    • 2004-05-13
    • PCT/US0214159
    • 2002-05-06
    • POWELL JAMES RREICH MORRIS
    • POWELL JAMES RREICH MORRIS
    • B09B3/00C03B5/00C03B5/02C03B5/08G21F9/30
    • G21F9/305B09B3/0075C03B5/005C03B5/021C03B5/08G21F9/308Y02P40/52
    • 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.
    • 对于废玻璃化技术领域而言,提供了一种改进的一次性罐中带有玻璃化产品的容器内玻璃化过程,同时使可浸出性,产物结晶,废物挥发,发泡和容器腐蚀最小化。 废物(50)从顶部添加到一次性罐中。 辐射能量(40)被添加到罐中废物上方的空间中,以在罐的底部形成熔化废物池(60)。 熔化的废物的温度随着罐中废物深度的增加而降低,从而允许在熔池下方形成固化产物(70)。 该过程持续进行,直到一次性滤罐被填充,然后停止所有加热并允许一次性滤筒冷却至环境温度。