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Sewage – the problem. The discharge of raw sewage into the sea can create a health hazard. Sewage can also lead to oxygen depletion and can be an obvious visual pollution in coastal areas - a major problem for countries with tourist industries.
27 gru 2021 · The results of sea sampling and data processing by chi-square tests unequivocally confirmed that the risk of black wastewater marine pollution along the coast was higher and less acceptable during the navigation and accommodation of smaller and recreational vessels than for large cruise ships.
15 mar 2021 · The volume (and pressure) of different emission sources from shipping varies depending on ship category. Grey water and sewage produced on ships are, for example, correlated to the number of passenger whereas release of biocides from antifouling paints is a function of the painted wetted hull surface area.
10 gru 2019 · There are several knowledge gaps regarding the ecological consequences of, for example, the increasing amount of chemicals transported on water, the spread of non-indigenous species coupled with climate change, and physical impacts such as shipping noise and artificial light.
10 mar 2022 · Recently, International Convention for the Prevention of Pollution from Ships (MARPOL), national and regional legislations around the world have been developed a lot to control the influence of ship sewage on water environment.
3 lis 2018 · Pollutants such as suspended solids and Faecal Coliforms often exceeded their limits by 10 and 10,000 times respectively. These ships were “discharging virtually untreated sewage” (MEPC...
So-called ‘operational’ pollution is impossible to avoid: sewage, waste materials (such as batteries, food waste, plastics and chemicals), bilge water (produced during the cleaning of machine and engine spaces, this water accumulates at the lowest point of a ship’s hull and is a mixture of seawater, fuel oil, lubricating oil, debris ...
