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ESTIMATING INTERNAL CORROSION RATE AND INTERNAL INSPECTION INTERVAL OF ABOVEGROUND HYDROCARBON STORAGE TANKS (CROSBI ID 200876)

Prilog u časopisu | stručni rad

Martinez, Sanja ESTIMATING INTERNAL CORROSION RATE AND INTERNAL INSPECTION INTERVAL OF ABOVEGROUND HYDROCARBON STORAGE TANKS // Goriva i maziva, 52 (2013), 2; 134-143

Podaci o odgovornosti

Martinez, Sanja

engleski

ESTIMATING INTERNAL CORROSION RATE AND INTERNAL INSPECTION INTERVAL OF ABOVEGROUND HYDROCARBON STORAGE TANKS

Corrosion of aboveground storage tanks (AST) in hydrocarbon service shortens the tank’s life cycle and can lead to leaks and release of hazardous materials into the environment. Internal inspection is one of the main means to keep the tank’s integrity. Determination of internal inspection interval is imminent for balancing the safe operation requirement and inspection costs. In most instances, the area most vulnerable to corrosion in upright atmospheric AST is the tank bottom. In this paper we present the procedure for calculation of reasonable internal inspection interval based on deterministic method. Calculation and/or anticipation of the key parameter, the bottom plate corrosion rate is discussed. Corrosion rates between 0.1 and 0.9 mm year-1 of the thank bottoms that are typically 6.4 mm to 9.5 mm thick show that corrosion is an important concern in the case of long-term storage industrial tanks. It is demonstrated that precise determination of the bottom plate corrosion rate is crucial for the obtaining reliable internal inspection interval.

corrosion; aboveground storage tank; crude oil storage

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Podaci o izdanju

52 (2)

2013.

134-143

objavljeno

0350-350X

Povezanost rada

Kemijsko inženjerstvo, Strojarstvo, Temeljne tehničke znanosti

Poveznice