Abstract
The International Maritime Organisation (IMO) calls for the maritime industry to restrict its CO2 emissions by −40% (IMO2030) and −70% (IMO2050). This paper answered the following research question: “Which technical, economic and emissions-related conditions predominantly determine the feasibility of a conceptual supply chain of liquid CO2 that is captured from the exhaust gases of LNG powered offshore vessels?” The captured CO2 is transported to land where it is utilized by a final customer. The study followed a systems engineering approach. Problem definition was followed by a requirements analysis (technology, emissions, economy and operations), design with scenarios and a case study with realistic vessel deployment, modeling and evaluation. All designs have technical uncertainties and financial risks, but the sale of captured CO2 could be a crucial advantage of the proposed concept over other concepts. The main conclusion is that emission and financial targets (payback time) can be met by aligning the offshore transportation distance with the capacity to store CO2 on board and the available means of transport to the final user. Specialists from the vessel owner indicate that capturing, storage and off-loading is likely to have minor implications for the vessel availability and regular operations.
Highlights
The energy transition from fossil fuels to renewable energy sources has a major impact on many industries worldwide
The research aims to answer the following research question: “Which technical, economic and emissions-related conditions predominantly determine the feasibility of a conceptual supply chain of liquid CO2 that is captured from the exhaust gases of Liquefied Natural Gas (LNG) powered offshore vessels?”
Designs for ship-based carbon capture and logistics have been discussed in this paper
Summary
The energy transition from fossil fuels to renewable energy sources has a major impact on many industries worldwide. The number of vessels worldwide is rising due to increasing demand for transport and globalization. This will increase the amount of fuel used in shipping, total emissions of CO2. The International Maritime Organization (IMO), a governing body for shipping with 174 member states, has made long-term economic and sector scenarios. According to these scenarios, more goods will be transported over the seas by more vessels. With regard to CO2 emissions, it has set emission reduction targets of at least −40% on a ’per transport work’ basis, as an
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