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Analysis of Likelihood of Failure for the Corrosion of High Temperature $H_2S/H_2$ through Risk Based-Inspection  

Lee Hern-Chang (명지대학교 산업기술연구소)
Lee Joong-Hee (바텍안전 E&C)
Kim Tae-Ok (명지대학교 공과대학 화학공학과)
Publication Information
Journal of the Korea Safety Management & Science / v.8, no.2, 2006 , pp. 61-70 More about this Journal
Abstract
The likelihood of failure by the corrosion of high temperature $H_2S/H_2$, which affect to a risk of facilities, was analyzed through the risk based-inspection using API-581 BRD. We found that the corrosion rate was increased as temperature and $H_2S$ concentration were increased. Also, the technical module subfactor(TMSF) was increased as an used you increased, material thickness decreased, inspection number decreased, and inspection effectiveness increased. In these conditions, the maximum value of TMSF was not varied, but the TMSF was sensitively varied at low temperature for high concentration of $H_2S$.
Keywords
Risk Based-Inspection; Corrosion; API-581; Technical Module Subfactor; Thinning;
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