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Temperature Profile Analysis on Cryogenic Activated Carbon Column of Helium Purification Testing Facility (Sriyono Sriyono1, a), Rahayu Kusumastuti1 , A. Hafid1, Djati H. Salimy1, M.Pancoko2, Ign. Djoko Irianto1, M. Subekti1, Febrianto1, Geni R. Sunaryo1

Sriyono, SR and Rahayu Kusumastuti, RK and Abdul Hafid, AH and Djati H Salimy, DHS and M. Pancoko, MP and Ignatius Djoko Irianto, IDI and M. Subekti, MS and Febrianto Bahar, FB and Geni Rina Sunaryo, GRS (2020) Temperature Profile Analysis on Cryogenic Activated Carbon Column of Helium Purification Testing Facility (Sriyono Sriyono1, a), Rahayu Kusumastuti1 , A. Hafid1, Djati H. Salimy1, M.Pancoko2, Ign. Djoko Irianto1, M. Subekti1, Febrianto1, Geni R. Sunaryo1. In: ICONets 2019 Universitas Andalas Padang Sumatera Barat, 18 September 2019, Universitas ANDALAS Fakultas Teknik Padang Sumatera Barat.

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Abstract

Abstract. Cryogenic activated carbon testing facility (CACTF) is an apparatus built to purify helium gas from impurities such as oxygen, nitrogen, and gas of fission products. Because of oxygen and nitrogen have a small molecular size, the cryogenic (very low temperature) condition is needed. CACTF has a cryogenic vessel, activated carbon column, liquid nitrogen storage tank, and helium storage tank (pure and dirty). This paper discusses the investigation of temperature changes in the activated carbon column that installed inside a cryogenic vessel. The objective of research is find out the lowest temperature can be achieved in the inner of the activated carbon column so the optimum purification process can be done. The methodology used was modeling with ChemCAD software and CACTF experiments. CACTF has been modeled and simulated with ChemCAD software. Cryogenic model simulation by ChemCAD showed that the lowest temperature of - 190°C will be achieved by 300 kg/hour of liquid nitrogen injection, while the laboratory experiment resulted -160°C of temperature as well. The inside vessel temperature differences it caused by heat losses to the environment during the apparatus experiment. By using ChemCAD, the optimum pressure of the cryogenic carbon column is 30 bars based on the adsorption simulation process of the cryogenic carbon column model. Keywords: temperature, helium, cryogenic, activated carbon, testing facility

Item Type: Conference or Workshop Item (Paper)
Subjects: Keselamatan dan Keamanan Nuklir
Divisions: Pusat Teknologi dan Keselamatan Reaktor Nuklir
Depositing User: USER PTKRN BATAN
Date Deposited: 04 Aug 2020 08:14
Last Modified: 15 Sep 2020 05:29
URI: http://repo-nkm.batan.go.id/id/eprint/9962

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