The assessment algorithm of technological feasibility of SOx scrubber installation

Abstract

Abstract. The problematics of installation of sulphur oxides (SO x ) scrubber becomes much relevant for today due to the new Annex VI of MARPOL 73/78 requirements, which sets 0.1% SO x limits by 2015 in Emission Control Area (ECA) and globally to 0.5% in 2020. The research in this field becomes more significant for ship-owners. SO x scrubber is most promising alternative because of lower operating costs and suitability to existing ships. Despite the fact that exhausts gas scrubbing is a common and proven technology on land, the conditions on ships differ significantly and still there are not enough practical knowledge of installation of mentioned equipment. In addition, speaking about existing ships there are some limitation factors of SO x scrubber installation on-board, which will be discussed in the paper. Taking into account the size and mass of the SO x scrubber, it can be assumed that the recalculation of ship stability will be required for most ships. Therefore, the most important task for equipment designers is selection of scrubber system location with the minimum impact on ship stability and identification of necessary changes (deadweight, additional space, etc.) in accordance with ship safety requirements. For this reason, the research was carried-out in order to create the algorithm of ship stability assessment and selection of optimal scrubber location on-board.

Materials for CO2, SOx, and NOx Emission Reduction

“…With the exception of maritime transport, for which diesel sulfur standards have remained fairly mild until recently; This circumstance led to the development of processes for removing sulfur oxides from the exhaust gases of marine engines. In connection with the new legislative requirements for reducing SO x emissions globally to 0.5% in 2020, projects are being developed to install sulfur oxide scrubbers [52]. Research in this area is becoming more important for ship-owners.…”

Use of LNG Cold Potential in the Cogeneration Cycle of Ship Power Plants

“…As seagoing ships consume approximately 300 million tonnes of high-sulfur fuel a year, switching to low-sulfur fuel creates up to approximately USD 69 billion in extra fuel costs [14]. This will compel ships to install secondary technologies for the exhaust gas treatment of SO X , which also involves a significant capital investment and increased operating costs [15,16].…”