Pemegunan resin penukar ion terpakai dari reaktor TRIGA PUSPATI menggunakan geopolimer berasaskan abu terbang

Translated title of the contribution: Immobilization of spent ion exchange resin from PUSPATI TRIGA reactor using fly ash-based geopolymer

Nurul Wahida Ahmad Khairudin, Muhamad Samudi Yasir, Amran Ab. Majid, Mohd Abd Wahab, Nik Marzukee, Wilfred Paulus, Esther Philip, Thanaletchumy, M. N. Irwan

Research output: Contribution to journalArticle

Abstract

A laboratory study was conducted to evaluate the possibility of immobilizing spent ion exchange resins using geopolymer process that was prepared at room temperature. The main objective of this research is to determine the suitability of using geopolymer in radioactive waste immobilization. The spent ion exchange resins and fly ash were obtained from PUSPATI TRIGA Reactor and Sultan Salahuddin Abdul Aziz Power Plant, Kapar, Selangor respectively. The geopolymer was activated with NaOH and Na<inf>2</inf>SO<inf>3</inf> at room temperature. Gamma spectrometry analysis indicated the presence of <sup>40</sup>K, <sup>226</sup>Ra and <sup>232</sup>Th in fly ash while in spent ion exchange resins showed the presence of activation and fission products i.e. <sup>134</sup>Cs, <sup>137</sup>Cs, <sup>152</sup>Eu, <sup>54</sup>Mn, <sup>58</sup>Co, <sup>60</sup>Co and <sup>65</sup>Zn. The composition of the materials that made up the monolith was 10% (wt) of spent ion exchange resin, with a compressive strength of 6.1 MPa. The leaching rates of the radionuclides were used as indicators of immobilization performance of the solidified waste forms. The leaching test shows different leaching rates of <sup>134</sup>Cs, <sup>137</sup>Cs, <sup>226</sup> Ra, <sup>60</sup>Co and <sup>40</sup>K from the monolith geopolymer. The results show that immobilization of spent ion exchange resins using fly ash based geopolymer significantly affect the leaching rate of the radionuclides. This finding could in future benefits the treatment of low level and intermediate waste generated from nuclear power plant operation.

Original languageMalay
Pages (from-to)472-480
Number of pages9
JournalMalaysian Journal of Analytical Sciences
Volume19
Issue number3
Publication statusPublished - 2015

Fingerprint

Coal Ash
Geopolymers
Ion Exchange Resins
Leaching
Radioisotopes
Radioactive Waste
Fission products
Spectrometry
Nuclear power plants
Compressive strength
Power plants
Chemical activation
Temperature
Chemical analysis

Keywords

  • Fly ash
  • Geopolymer
  • Radioactive waste
  • Spent ion exchange resins

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Pemegunan resin penukar ion terpakai dari reaktor TRIGA PUSPATI menggunakan geopolimer berasaskan abu terbang. / Khairudin, Nurul Wahida Ahmad; Yasir, Muhamad Samudi; Ab. Majid, Amran; Wahab, Mohd Abd; Marzukee, Nik; Paulus, Wilfred; Philip, Esther; Thanaletchumy; Irwan, M. N.

In: Malaysian Journal of Analytical Sciences, Vol. 19, No. 3, 2015, p. 472-480.

Research output: Contribution to journalArticle

Khairudin, NWA, Yasir, MS, Ab. Majid, A, Wahab, MA, Marzukee, N, Paulus, W, Philip, E, Thanaletchumy & Irwan, MN 2015, 'Pemegunan resin penukar ion terpakai dari reaktor TRIGA PUSPATI menggunakan geopolimer berasaskan abu terbang', Malaysian Journal of Analytical Sciences, vol. 19, no. 3, pp. 472-480.
Khairudin, Nurul Wahida Ahmad ; Yasir, Muhamad Samudi ; Ab. Majid, Amran ; Wahab, Mohd Abd ; Marzukee, Nik ; Paulus, Wilfred ; Philip, Esther ; Thanaletchumy ; Irwan, M. N. / Pemegunan resin penukar ion terpakai dari reaktor TRIGA PUSPATI menggunakan geopolimer berasaskan abu terbang. In: Malaysian Journal of Analytical Sciences. 2015 ; Vol. 19, No. 3. pp. 472-480.
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