Abstract
The Desalination Unit in ACPT1 is designed to produce fresh or potable water with a maximum salinity of 8 ppm for the use of accommodation platform. There are 2 desalination units in ACPT1 both are in duty except when any one unit is taken for maintenance. The same manufacturing design of desalination unit (Sidem 2T50 evaporators and Electric Boilers) are installed in ACPT2 to produce fresh potable water each able to produce 50 m3/day. In the past 4 years a frequent failure were reported for the SS Ejector Condenser. Upon inspection visual and DP inspection finding revealed that: severe corrosion takes place on 3” Nossel, Chloride SCC is proposed as one of Corrosion mechanisms, surface cracks are also observed on the shell surface and weldment areas. Due to the frequent failure of ejector condenser, a failure analysis shall be conducted to investigate reasons of failure and draw a recommendation accordingly. According to the analysis conducted and investigation done the recommendation is drawn to change the material of ejector condenser to SMO254 CRA MATERIAL.
Published Version
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