BIGF Exit Exam • Set 5 Question 15 of 30
In liquefaction plant which gas is removed asltfreezesia M•tdrl d v.n
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Direct Answer
Option C: carbon dioxide
Carbon dioxide (CO2) is scrubbed from natural gas during pre-treatment because it solidifies into dry ice at -78.5°C, which would plug cryogenic LNG liquefaction equipment.
All Options
A
temperature above boing point of ugues Nature Sa. O a) methane
B
hydrocarbons
C
carbon dioxide
(Correct Answer)
D
ethane
Detailed Explanation & Context
Carbon dioxide (CO2) is scrubbed from natural gas during pre-treatment because it solidifies into dry ice at -78.5°C, which would plug cryogenic LNG liquefaction equipment.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Basic Training for Ships subject to the IGF Code (BIGF).
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