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Corrosion Control Method by Using Clean Inert Gas to Ballast Tanks and Permanent Void Spaces in Marine and Offshore Structures

Lookup NU author(s): Du-O Ok, Dr Yongchang Pu


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This paper presents the economical solution to control corrosion of cargo oil tanks, ballast tanks and other marine / offshore structures by using clean inert gas system such as inert gas generator or generator. The investigation shows that inert gas generator can be installed onboard with relatively small amount of initial cost and operating cost for most of crude oil tankers. The optimised design is proposed in this research and cost evaluation between conventional boiler flue gas uptake inert gas plant and inert gas generator system are investigated. In addition, time-variant hull section modulus degradation is estimated based on using the clean inert gas for double tanker.

Publication metadata

Author(s): Ok D, Pu Y

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 3rd International Marine Science and Technology for Environmental Sustainability Conference (ENSUS)

Year of Conference: 2005