Carbon dioxide tankers are constructed using the same technology as existing liquefied gas carriers. The latest LNG carriers reach more than 200,000 m3 capacity. (Such a vessel could carry 230 kt of liquid CO2.) The same type of yards that today build LPG and LNG ships can carry out the construction of a CO2 tanker. The actual building time will be from one to two years, depending on considerations such as the ship's size.

4.3.5 Operation Loading

Liquid CO2 is charged from the temporary storage tank to the cargo tank with pumps adapted for high pressure and low temperature CO2 service. The cargo tanks are first filled and pressurized with gaseous CO2 to prevent contamination by humid air and the formation of dry ice.

spite of occasional serious pollution incidents such as the Exxon Valdes and Torrey Canyon disasters (van Bernem and Lubbe, 1997). Because the consequences of CO2 pipeline accidents potentially are of significant concern, stricter regulations for CO2 pipelines than those for natural gas pipelines currently are in force in the USA.

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