Nanostructured Filters in Shipping
According to the European Environment Agency, merchant ships discharge 204 times more sulfur than one billion cars on the roads worldwide. To make a more detailed idea ... Personal car having a mileage of 15,000 km a year produces a little over 100 grams of sulfur dioxide, whereas the largest cargo ships produce even more than 5,000 tons per year. Thus shipping contributes to global emissions of nitrogen oxides up to 30%, sulfur oxides a little less than 10% and the carbon dioxide of 4.5%. Of course, not only environmental activists but also the governments of the countries involved do not like this. Therefore, the International Maritime Organization adopted stricter emission limits, which, however, will take effect in 2020, but now it is necessary to work on alternatives for possible emission reductions.
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