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Abstract

The use of cement has been investigated for the immobilization of liquid and solid low and medium level radioactive waste. 220 litre mixing trials have demonstrated that the high temperatures generated during the setting of ordinary Portland cement/simulant waste mixes can be significantly reduced by the use of a blend of ground granulated blast furnace slag and ordinary Portland cement. Laboratory and 220 litre trials using simulant wastes showed that the blended cement gave an improvement in properties of the cemented waste product, e.g. stability and reduction in leach rates compared with ordinary Portland cement formulations. A range of 220 litre scale mixing systems for the incorporation of liquid and solid wastes in cement was investigated. The work has confirmed that cement-based processes can be used for the immobilization of most types of low and medium level waste.

Additional information

Authors: PALMER J D, UKAEA, WINFRITH, DORCHESTER, DORSET (UK);SMITH D L G UKAEA, WINFRITH, DORCHESTER, DORSET (UK), UKAEA, WINFRITH, DORCHESTER, DORSET (UK)
Bibliographic Reference: EUR 10561 EN (1986) FS, 168 P., BFR 550, EUROFFICE, LUXEMBOURG, POB 1003
Availability: Can be ordered online
Record Number: 1989125029700 / Last updated on: 1987-03-01
Category: PUBLICATION
Available languages: en
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