| 摘要 |
A method for solidification of radioactive waste resin using a chemically bonded cementitious material. The method involves preparing a chemically bonded cementitious material by means of uniformly mixing aluminosilicate-containing slag, a compound mineral activator, and a sorbent. The chemically bonded cementitious material is then mixed with radioactive waste resin and added water and stirred for 7 minutes in an agitation vessel, then transferred to a mold for curing. When using the present method to solidify radioactive waste resin, the water content of saturated waste resin is between 42% and 50%, the saturated waste resin content of the solidified form is as high as 60%, the solid form fluidity is between 140mm and 210mm, setting time is terminable within 12 hours, and the initial setting period is sure to be suitable for performing solidification operations. After curing for 28 days, compressive strength exceeds 10Mpa, freeze thaw cycle tests exceed ten times, and after a 90 day immersion test, the surface of the solid form shows no fissures, and loss of compressive strength is below 10%. |
