Independent journal on economy and transport policy
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Scrubbers may be one of the cornerstones of shipping decarbonization, but they are expensive
Study conducted by Oil and Gas Climate Initiative and Stena Bulk
November 23, 2021
The study was carried out by taking as a ship of reference a SuezMax oil tanker powered by a two-engine high efficiency times with low availability energy in exhaust gases, type of ship that has been choice as it constitutes a demanding test bench and leads to an increase in the consumption of fuel to power the auxiliary engines and a combustion boiler to provide energy necessary to operate the scrubbers.
The study showed that if the system is technically efficient, however its implementation involves high expenses operational and large investments. The latter are due mainly to support the high costs of storage, compressors and columns, while the cost of excess fuel burned is the main burden operational expenditure. The study explains that these costs represent a significant obstacle to the implementation of these exhaust gas cleaning systems of ships and their reduction would be necessary to ensure the feasibility of long term of this technology. The study therefore recommends further insights useful to compare the costs of these carbon abatement modes with those of others long-term technologies for carbon dioxide reduction issued by maritime transport.
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The study was carried out by taking as a ship of reference a SuezMax oil tanker powered by a two-engine high efficiency times with low availability energy in exhaust gases, type of ship that has been choice as it constitutes a demanding test bench and leads to an increase in the consumption of fuel to power the auxiliary engines and a combustion boiler to provide energy necessary to operate the scrubbers.
- Via Raffaele Paolucci 17r/19r - 16129 Genoa - ITALY
