A method for solidifying alkali slag cement of nuclear power plant boron-containing waste resin
A technology of alkali slag cement and solidification method, which is applied in the direction of solid waste management, sustainable waste treatment, climate sustainability, etc., and can solve the problems of delamination between resin and cement slurry, insufficient solidification of solidified body, and small resin inclusion capacity. It achieves the effects of small hydration heat release, large-volume curing, and good anti-leaching performance
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Embodiment 1
[0019] Weigh 375g alkali slag, 100g zeolite powder, 25g silica fume, 190g water, 300g boron-containing waste resin, 25g sodium silicate water glass, 3.5g polycarboxylate water reducer, and then prepare the solidified body according to the following steps:
[0020] (1) mixing alkali slag, zeolite powder and silica fume evenly to make a mixed material;
[0021] (2) Stir the above mixed material and water in a mixer for 90s, then pour boron-containing waste resin and stir for 90s, then add water glass and stir for 180s, and finally add polycarboxylate water reducer and stir for 90s to prepare a mixed slurry;
[0022] (3) Transfer the above-mentioned slurry to a φ50mm mold and form it compactly, and cure it in a curing box for 28 days at a curing temperature of 25°C and a relative humidity of ≧90%.
[0023] GB / T1346-2011 was used to measure the setting time of the mixed slurry. The initial setting time of the mixed slurry was 120min, the final setting time was 140min, and the flui...
Embodiment 2
[0026] Weigh 400g alkali slag, 75g zeolite powder, 25g silica fume, 200g water, 325g boron-containing waste resin, 35g water glass, 3.5g polycarboxylate water reducer, and then prepare the solidified body according to the following steps:
[0027] (1) mixing alkali slag, zeolite powder and silica fume evenly to make a mixed material;
[0028] (2) Stir the above mixed material and water in a mixer for 90s, then pour boron-containing waste resin and stir for 90s, then add water glass and stir for 180s, and finally add polycarboxylate water reducer and stir for 90s to prepare a mixed slurry;
[0029] (3) Transfer the above-mentioned slurry to a φ50mm mold and form it compactly, and cure it in a curing box for 28 days at a curing temperature of 25°C and a relative humidity of ≧90%.
[0030] GB / T1346-2011 was used to measure the setting time of the mixed slurry. The initial setting time of the mixed slurry was 108 minutes, the final setting time was 136 minutes, and the fluidity wa...
Embodiment 3
[0033] Weigh 325g alkali slag, 125g zeolite powder, 50g silica fume, 210g water, 325g boron-containing waste resin, 30g sodium silicate water glass, 5g polycarboxylate water reducer, and then prepare the solidified body according to the following steps:
[0034] (1) mixing alkali slag, zeolite powder and silica fume evenly to make a mixed material;
[0035] (2) Stir the above mixed material and water in a mixer for 90s, then pour boron-containing waste resin and stir for 90s, then add water glass and stir for 180s, and finally add polycarboxylate water reducer and stir for 90s to prepare a mixed slurry;
[0036] (3) Transfer the above-mentioned slurry to a φ50mm mold and form it compactly, and cure it in a curing box for 28 days at a curing temperature of 25°C and a relative humidity of ≧90%.
[0037] GB / T1346-2011 was used to measure the setting time of the mixed slurry. The initial setting time of the mixed slurry was 136min, the final setting time was 158min, and the fluidi...
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