Some ports have started revoking an earlier ban on the use of open-loop scrubbers within waters due to the availability of more academic studies showing favourable results from exhaust gas cleaning processes, says the Clean Shipping Alliance 2020 (CSA 2020).
“After research carried out by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT), Japan has now stated it will not ban the use of open-loop scrubbers in its waters and we hope to have more written confirmations in place soon,” said CSA 2020 Executive Committee member Christopher Fee, General Manager, Environment and Sustainability, Oldendorff Carriers.
While the number of global ports with declared restrictions remains low, those that have decided to ban scrubbers are beginning to have second thoughts.
“It appears that some ports are revoking their earlier decisions to restrict open-loop scrubber use now that more academic studies have been made publicly available,” said Fee.
CSA 2020 Committee member William Nugent, Vice-President and Head of Ship Operations, International Seaways, added: “With a significant number of world ports having now assessed the evidence and decided not to ban the use of open-loop scrubbers, we encourage other Port Authorities to consider the independent research and analyses before making any decisions.”
Members of the CSA 2020 Executive Committee have presented to ports scientific evidence concluding that the wastewater generated by the exhaust gas cleaning process was environmentally acceptable and well within regulatory limits.
As a result, CSA 2020 said it has received written approvals and no-objection letters from several Port Authorities around the world indicating they have no intention of banning the use of open-loop scrubbers in their waters.
To date, it has received no-objection letters from more than 20 ports covering Europe, the Americas, Asia and Australasia.
“The industry must not lose sight of the reason behind the introduction of the global sulphur cap and the effect sulphur oxide emissions has on human health,” concludes CSA 2020 Chairman, Mike Kaczmarek, Vice-President, Carnival Corporation.
“Marine exhaust gas cleaning systems are the best way of reducing shipping’s environmental impact by preventing air pollution whether a ship is at sea or in port.”
Photo credit: Lang Tech
Published: 3 May, 2019
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