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All Journal Jurnal Ilmiah Aplikasi Isotop Radiasi Urania: Jurnal Ilmiah Daur Bahan Bakar Nuklir
Boybul Boybul
Pusat Teknologi Bahan Bakar Nuklir - BATAN
Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Immunology & microbiology Materials Science & Nanotechnology

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Pengaruh Ukuran Partikel Zeolit dalam Pemisahan Cesium dari PEB U3Si2/Al Pasca Iradiasi Neutron Menggunakan Metode Penukar Kation Rosika Kriswarini; Arif Nugroho; Boybul Boybul; Sutri Indaryati
Jurnal Ilmiah Aplikasi Isotop dan Radiasi Vol 15, No 1 (2019): JUNI 2019
Publisher : BATAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (452.636 KB) | DOI: 10.17146/jair.2019.15.1.4656

Abstract

Pemisahan cesium dari Pelat Elemen Bakar Nuklir (PEB) U3Si2/Al pasca iradiasi menggunakan metode penukar kation dengan variasi ukuran partikel zeolit telah dilakukan. Teknik pemisahan cesium dengan menerapkan metode absorbsi dan penukar kation menggunakan zeolit Lampung memberikan efisiensi yang besar. Pemisahan cesium dari hasil fisi lainnya seperti 235U, 89Kr, 144Ba, 90Sr, 134Xe, 96Rb perlu dilakukan karena isotop 137Cs digunakan sebagai monitor burn up. Dalam penelitian ini dipelajari aspek pengaruh ukuran partikel terhadap efisiensi pemisahan cesium pada waktu kontak dan jumlah zeolit yang optimum. Cuplikan larutan PEB U3Si2/Al densitas 2,96 gU/cm3 pasca iradiasi sebanyak 150 µL diencerkan menggunakan HCl 0,1N menjadi 2 mL. Pemisahan cesium dalam larutan cuplikan dilakukan menggunakan zeolit Lampung dengan variabel ukuran partikel -100+170 mesh, -170+270 mesh, -270+400 mesh dan -400 mesh. Hasil yang diperoleh menunjukkan bahwa zeolit dengan ukuran partikel -270+400 mesh dengan berat 1 g dan waktu pengadukan selama 1 jam diperoleh kandungan isotop 137Cs dalam 150 µL larutan pasca iradiasi sebesar 0,0543 µg dengan recovery sebesar 99,1%.
PENENTUAN KANDUNGAN ISOTOP 235U DALAM PEB U3Si2-Al TMU 2,96 gU/cm3 UNTUK PERHITUNGAN BURN-UP Boybul Boybul; Yanlinastuti Yanlinastuti; Sutri Indaryati; Iis Haryati; Arif Nugroho
Urania: Jurnal Ilmiah Daur Bahan Bakar Nuklir Vol. 21 No. 3 (2015): Urania: Jurnal Ilmiah Daur Bahan Bakar Nuklir
Publisher : Badan Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/urania.2015.21.3.2464

Abstract

235U separation has been carried out in the solution of PEB U3Si2 - Al with loading of uranium (TMU) 2.96 gU/cm3 at the Top. Top of PEB U3Si2-Al cut into three sections (triplo) with code T1, T2 and T3. Weight of each PEB code T1 = 0.095 g, T2 = 0.086 g and T3 = 0.087 g and dissolved using HCl and HNO3 in hotcell. The purpose of this study was to determine the content of the isotope 235U in the solution PEB U3Si2-Al post-irradiation and subsequently used for the calculation of burn-up. 235U isotope separation in the solution PEB U3Si2 - Al was conducted using an anion exchange column method using Dowex1x8 resin. Pipette solution of 100 mL, and then put into a column containing Dowex resin with a weight of 1.2 g. U effluent results in the column was eluted using 0.1 M HCl, then dried and conducted electro-deposition process and then analyzed using a spectrometer-α. The analysis showed that the content of the isotope 235U obtained at T1 = 0.03665 g/g PEB, T2 = 0.003468 g/g PEB and T3 = 0.03208 g/g PEB with separation recovery of 63.71 %. The content of isotope 235U obtained is used for the calculation of burn-up. burn-up calculation results of PEB U3Si2-Al of Top section (T1, T2 and T3) were obtained respectively by 43.31 %, 49.48 % and 45.41 % or burn-up an average of 45.75 %. This data is smaller than a data burn-up of PEB U3Si2-Al of middle section of 50.69 % conducted by previous researchers. However, this data can not be used as an input to the reactor, due to should be equipped with a data burn-up of PEB U3Si2-Al of bottom section. Therefore, in the nextstudies will be conducted calculation of burn-up PEB U3Si2-Al of bottom section.
Co-Authors Arif Nugroho Iis Haryati Rosika Kriswarini Sutri Indaryati Yanlinastuti Yanlinastuti