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标题：Modification of Seawater Scrubber System into Freshwater of Inert Gas System on the Crude Oil Tanker 85,000 DWT
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作者：Nurhadi Siswantoro ; Hari Prastowo ; Faris Zulfar Rosyadi 等
期刊名称：International Journal of Marine Engineering Innovation and Research
印刷版ISSN：2541-5972
电子版ISSN：2548-1479
出版年度：2020
卷号：5
期号：2
页码：59-67
DOI：10.12962/j25481479.v5i2.5589
语种：English
出版社：Institut Teknologi Sepuluh Nopember
摘要：Each ship is carrying a hydrocarbon must be equipped with an inert gas system. On tankers,the function of inert gas is to prevent fires or explosions caused by oxygen levels contained in cargo tanks. Inert gas is produced by cleaning the exhaust gas boiler using a seawater scrubber system. However,seawater has corrosive properties that cause the use of the material in scrubber system components to be resistant to corrosion. Therefore,through this research,a modification of the seawater scrubber system was made into a freshwater scrubber system. The advantages of a freshwater scrubber system include a low corrosive level that causes the use of inexpensive materials. Modification of seawater scrubber systems into freshwater causes additional components to be made,including adding NaOH tank,expansion tank of freshwater,seawater pumps,freshwater pumps,NaOH pumps,heat exchanger,and wash water treatment unit. Economic calculations are carried out to determine the installation costs and operational costs needed from this modification. Based on the technical and economic analysis,modification of the seawater scrubber system into a freshwater inert gas system of Crude Oil Tanker 85,000 DWT can be done with an estimated installation cost of 1.5 Bill. Rupiahs.
关键词：freshwater;inert gas;modification;scrubber;seawater