USE OF CATHODE RAY TUBE (CRT) COMPOSITE WASTE GLASS FOR NUCLEAR SHIELD TILES
DOI :
https://doi.org/10.62050/fjst2024.v8n1.288Mots-clés :
Cathode ray tube (CRT), Composite waste glass, Radiation shielding tiles (RST), linear attenuation, Radiation, ShieldingRésumé
This research is aimed at producing radiation shield tiles from cathode ray tube waste glass, borosilicate waste glass
and soda lime silicate waste glass. The waste glasses were sourced for and crushed to powder. The powder was
sieved through a 0.25 mm sieved with mesh number 60 and analysed using XRF spectrometer to ascertain their
chemical constituents. Twenty-one samples were generated using a 21-point triaxial blend of the three waste
glasses. The various samples were poured into moulds, fired in an electric furnace at 1000oC and soaked for an
hour. Radiation shielding test using a radioactive source (cobalt 60) was carried out. The radiation shielding tests
shows that sample 1 which comprises of 100% CRT had the highest radiation shielding ability with 0.178 cm-1
linear attenuation coefficient and sample 21 which is made up of 100% soda lime silicate glass had the least
radiation shielding ability with 0.109 cm-1 linear attenuation coefficient.According to the 49th NCRP report,
conventional tiles HVL for 60-Co gamma is 6.2 cm; whereas HVL for the RST in this work ranges between 3.8-6.3
cm which shows that the RST is within the range of offering a good radiation protection. The results obtained in this
study showed that the radiation shielding tiles developed can be used as wall tiles in nuclear power facilities and
medical X-ray systems.
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