Geopolymers from fly ash and their gamma irradiation
Geopolymers from fly ash and their gamma irradiation
复制标题
粉煤灰地质聚合物及其伽马辐射
DOI:
10.1016/j.matlet.2018.05.088
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发表时间:
2018
影响因子:
3
通讯作者:
Leay L
中科院分区:
文献类型:
--
作者:
Leay L
In order to assess the suitability of geopolymers produced from fly ash for use in nuclear waste encapsulation, their behaviour when exposed to gamma radiation has been examined. Irradiation (400 KGy at 4 kGy/h) was found to have had minimal effect on the porosity of bulk samples. Radiolytic hydrogen production from the pore water exhibited a dose rate effect (9 kGy/h up to 280 kGy and 24 kGy/h up to 700 kGy). An effect of surface area was observed with a decrease in hydrogen production corresponding to a decrease in surface area; the effect of pore chemistry was not ruled out.
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1994
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