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Journal of Marine Science and Application 2021年第2期20卷 229-247页

作者： Domenico Flagiello Martina Esposito Francesco Di Natale Kent Salo The Sustainable Technologies for Pollution ControlLaboratory Department of ChemicalMaterials and Industrial Production EngineeringUniversity of Naples Federico IIP.le V.Tecchio8080125 NaplesItaly Department of Mechanics and Maritime Science Chalmers University of TechnologyLindholmen Horselgangen441296 GothenburgSweden

Maritime shipping is a strategic sector with a strong international vocation and *** need to define regulations valid for many different countries without generating disparities of treatment slowed down the formulation of environmental regulations,especially for atmospheric *** particular,regulations pertaining to the reduction of sulphur compounds allowed two distinct approaches:the use of low-sulphur fuels or exhaust gas cleaning systems,the so-called *** actual implementation of these solutions presents specific concerns either related to the toxicity of atmospheric by-products and to the fuel cost or to the generation of polluting washwaters that may need treatment before *** this paper we analyzed the potential environmental benefit deriving from the use of a distillate fuel,not compliant with current IMO Sulphur Regulations,together with a *** pilot-scale experimental results indicated that a limited amount of water and/or scrubber volume is needed to reduce sulphur emissions below regulations on maritime shipping,especially with the addition of NaOH reaching a water-saving between 25%-33%compared to the use of pure *** indicated that scrubber washwater PAHs emissions are within the available water quality standards indicated by EU and USA guidelines.A bottom-up analysis on heavy metals concentration shed light on the prominent role of metal-parts corrosion on the washwater *** into account for corrosion phenomena,the actual heavy metals concentration in the washwater deriving from scrubbing was normally below the water quality standards.

关键词： Ships environmental footprint exhaust gas cleaning system Washwater emissions Marine distillate fuels Marine seawater scrubber Persistent pollutants

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