RE: Article on Scrubbers Sunday Papers.12 Nov 2018 11:54
The DM Article didn't seem to be objective or well balanced and that reflected in all those negative comments concerning the perceived environmental impact. Do we discount this from CSA2020>
https://shipandbunker.com/news/world/526908-scrubber-washwater-is-not-harmful-to-the-sea-says-csa2020
But CSA2020 today defended the practice, referencing findings from Nyman GBG Tokerud A. (1991): Seawater scrubbing removes SO2 from refinery flue gases, Oil and Gas Journal 89. 51-55: "Sulfur in the form of sulfate is the end product of the scrubbing process and is a naturally occurring constituent of seawater and therefore not harmful to the sea. The oceans are the Earth's natural reservoir of sulfur and play a key role in the sulfur cycle. Sulfur is one of the most common elements and is both biologically necessary and critical to many metabolic processes.
"To provide perspective, consider the following: If all the sulfur in the oceans were accumulated at the bottom of the ocean the layer would be five feet thick; adding all the sulfur from all the oil and gas reserves in the world would add only the thickness of a sheet of paper. Compared with the quantity of sulfate existing in the oceans, the small amounts of sulfate contributed by exhaust 11/12/2018 Scrubber Washwater is Not Harmful to the Sea, says CSA2020 - Ship & Bunker
https://shipandbunker.com/news/world/526908-scrubber-washwater-is-not-harmful-to-the-sea-says-csa2020 2/2
Addressing another key concern, the group referenced research from 2007 in saying that there is a negligible acidification effect on the sea from scrubbers, "even in semi-enclosed ocean areas with high traffic levels of scrubber-fitted ships."
Among its other comments today, the advocacy group said that scrubbers and compliant fuel "are equally acceptable and environmentally sound methods of compliance with the 2020 sulfur cap."
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