Transcription of Ship Transport of CO2
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Ship Transport of CO2
SHIP Transport OF CO2 Report Number PH4/30 July 2004 This document has been prepared for the Executive Committee of the Programme. It is not a publication of the Operating Agent, International Energy Agency or its Secretariat. iSHIP Transport OF CO2 Background to the Study CO2 has to be transported between capture and storage sites. Most attention has so far been on pipelines but in some come circumstances ship Transport could be less costly and it could enable use of CO2 storage reservoirs that could not be easily accessed by pipelines. The aim of this study is to assess the technology, costs and greenhouse gas emissions of ship Transport systems for CO2. The study was carried out by Mitsubishi Heavy Industries Ltd in Japan. Study Description The preferred method of transporting CO2 by ship would be as a pressurised cryogenic liquid. A CO2 ship Transport system would consist of the following components: CO2 liquefaction plant Intermediate storage tanks Loading facilities at a port Ships Unloading facilities This study describes each of these components and assesses their costs and CO2 emissions.
CO2 liquefaction Most CO2 capture processes produce gaseous CO2 at atmospheric or slightly elevated pressure. If a CO2 capture plant was built close to a port the CO2 would be fed directly to a liquefaction plant, where it would be compressed, cooled using an external refrigeration circuit and then partially depressurised to provide final cooling.
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