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EFFECT OF CHLORIDE AND COPPER ION FOR REACTOR TANK MATERIAL INTEGRITY OF RSG GAS PRIMARY COOLING SYSTEM

Rahayu Kusumastuti, RK and sumaryo, sm and Sriyono, Sriyono and Sofia Loren Butarbutar, SLBB (2017) EFFECT OF CHLORIDE AND COPPER ION FOR REACTOR TANK MATERIAL INTEGRITY OF RSG GAS PRIMARY COOLING SYSTEM. EFFECT OF CHLORIDE AND COPPER ION FOR REACTOR TANK MATERIAL INTEGRITY OF RSG GAS PRIMARY COOLING SYSTEM. pp. 141-146. ISSN 2355-754

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Abstract

ABSTRACT EFFECT OF CHLORIDE ION AND COPPER ION FOR TANK MATERIAL INTEGRITY OF RSG GAS PRIMARY COOLING SYSTEM. RSG GAS as Multipurpose Reactor designed to operate for 30 years, now RSG GAS has been operating for approximately 29 years. Al2Mg3 as a reactor tank material has a weakness in its use, that is not resistant for environment that contains of chloride ions and copper ion. The purpose of this research was to know the impact of Cl- and Cu2+for tank material integrity of the RSG GAS primary cooling system. The analysis is done by simulation on Al2Mg3 corrosion in Cl- and Cu2+ solution using Potensiogalvanostate IG & G. The results showed that the concentration of chloride ion in the primary cooling water that greater than 6 ppm have potentially to degrade the integrity of reactor tank material. The existence of copper ions in the primary cooling water will accelerate the damage to the reactor tank. Material integrity of RSG GAS reactor tank can be maintained by limiting the concentration of chloride and copper ions in each of the primary cooling water in accordance with the standard requirement. Keywords: integrity, the reactor tank material, the primary cooling water, RSG-GAS. ABSTRAK PENGARUH ION KLORIDA DAN ION TEMBAGA TERHADAP INTEGRITAS MATERIAL TANGKI PADA SISTEM PENDINGIN PRIMER REAKTOR RSG GAS. Reaktor Serba Guna G.A. Siwabessy (RSG GAS) dirancang untuk beroperasi selama 30 tahun, sampai saat ini RSG GAS telah beroperasi selama kurang-lebih 29 tahun. Al2Mg3 sebagai bahan tangki reaktor mempunyai kelemahan dalam penggunaannya yaitu tidak tahan dengan lingkungan yang mengandung ion klorida Cl- dan ion tembaga Cu2+. Penelitian ini bertujuan untuk mengetahui pengaruh Cl- dan Cu2+ terhadap integritas tangki Reaktor RSG GAS. Analisis dilakukan melalui simulasi uji korosi Al2Mg3 dalam lingkungan ion Cl- dan Cu2+ menggunakan Potensiogalvanostate IG&G. Hasil penelitian menunjukkan bahwa pada konsentrasi ion klorida dalam ATR lebih besar dari 6 ppm berpotensi mendegradasi integritas tangki reaktor. Keberadaan ion tembaga dalam ATR akan mempercepat kerusakan tangki reaktor. Integritas tangki reaktor RSG GAS dapat dipertahankan dengan membatasi konsentrasi ion klorida dan ion tembaga dalam air pendingin primer masing-masing tidak melebihi standar yang dipersyaratkan. Kata Kunci : integritas, tangki reaktor, air pendingin primer, RSG-GAS.

Item Type: Article
Subjects: Keselamatan dan Keamanan Nuklir
Divisions: Pusat Teknologi dan Keselamatan Reaktor Nuklir
Depositing User: USER PTKRN BATAN
Date Deposited: 09 Nov 2018 01:59
Last Modified: 09 Nov 2018 01:59
URI: http://repo-nkm.batan.go.id/id/eprint/4752

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