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Radioactive wastes Conditioning. Optimization of operating parameters by the experience plan method

bouchra El hilal, Ahmed El Harfi


The conditioning of exhausted Resins Exchanging Ions (REI) (radioactive wastes generated by nuclear operations) was optimized using a full factorial experiments plan 24. Sixteen experiments with a suitable choice of four interpretable variables led to a mathematical model in the form of a first degree polynomial. After analysing the effects, this model showed that the most influential factor on the response (compression strength) is the water/cement ratio (W/C) with a positive effect of (+2.17), the second factor in order is the mixing time with a positive effect of (+1.54). The interaction between the (W/C) and the number of vibration and interaction between the (W/C) and the mixing time also have effects on the response.

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