摘要
本文报道了用于大体积浇注水泥固化后处理厂有机废液(30%TBP+70%OK)的基础配方的研究方法和结果。在乳化-固化工艺中以醚类表面活性剂 OUPE 为乳化剂,市售水泥外加剂 DH_(4A)为缓凝剂;在吸附-乳化-固化工艺中除上述试剂外又加入 DX-SL 或 ZX-SL 活性炭作为吸附剂。试验结果表明,二种不同固化工艺所得固化体中有机废液包容量分别为其总重量的15%和18%,固化体抗压强度均大于5MPa;第二种固化工艺所得固化体的核素浸出率低于第一种,后者在第42天的浸出率分别为:^(137)Cs,3.5×10^(-4)cm/d;^(90)Sr,3.2×10^(-4)cm/d;^(239)Pu,1.3×10^(-6)cm/d。
The paper reports the formulae study results of cementation of spent organic solvent for in-situ immobilization.Two approaches were used for cementation.In emulsion-cementation approachethesial Surfactant OUPE was added as emulsifier and additive DH_(4A),commercially available asretarder.In absorption-emulsion-cementation approach,activated charcoal was used as absorbentadditionally.The results show that the spent solvent load in the cemetized products produced by theemulsion-cementation and absorption-emulsion-cementation approach was 15%wt and 18%wtrespectively.Both products have compression strength over 5MPa.The product of the formerapproach has higher Ieach rate than that of the latter.For the product of the former approach the leachrate on the 42th day was 3.5×10^(-4) cm/d for ^(137)Cs, 3.2×10^(-4)cm/d for ^(90)Sr and 1.3×10^(-6) cm/dfor ^(239)Pu.
出处
《辐射防护》
CAS
CSCD
北大核心
1992年第5期364-372,共9页
Radiation Protection
关键词
水泥固化
配方
有机废水
放射性
Spent Organic Solvent
Cementation
In-situ Immobilization
