大发888体育投注

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          It is reported that more than 20 ports around the world have given the green light to scrubbers. Most shipowners use open scrubbers.

          Many ports have banned the use of open scrubbers because of concerns that the waste water from the scrubbers might pollute the sea.

           Human beings can no longer stop the waste gas scrubbers: according to some data, the number of refit orders for waste gas scrubbers is 1,256.Total orders for exhaust scrubbers for container ships are estimated to exceed 700, according to Alphaliner, a French shipping consultancy. Clean shipping alliance 2020 (CSA 2020) said recently that more than 20 ports around the world have confirmed that they have no intention of banning the use of scrubbers in their respective waters.

          Originally, CSA and some owners are worried about more port into the limit with exhaust gas scrubber. but this time the news is exciting: from Europe, America, Asia and Oceania more than 20 ports for exhaust gas scrubber to submit written approval and no objection letter. According to CSA 2020, the ports say they have no intention of submitting any more documents to the IMO about ship exhaust scrubbers until more convincing new research is published. And ports that have decided to ban scrubbers are "starting to rethink their previous decisions".

          Germany has previously submitted preliminary data from an ongoing study of water emissions from closed and open scrubbers to the 6th IMO sub-committee on pollution prevention and response (PPR).The data showed that tons of heavy metals and possibly carcinogenic polyaromatic hydrocarbons were released into the sea through the ship's exhaust scrubbers and trapped in the Marine food chain.

          In February, DNV GL published a three-year study with carnival group. After collecting 79 samples from 23 carnival ships equipped with open scrubbers, and 281 samples from 53 ships equipped with scrubbers, the analysis showed that the samples consistently fell far short of IMO standards and regulations.

          The Japanese study found that the sulfur content of the waste water in the open-exhaust scrubber was digestible, and the heavy metal content was about 100 times lower than Japan's land-based emission standards.

          An "open" attitude to scrubbers could lead to a "change of course" in ports that previously restricted the use of scrubbers, further "opening the door" to the use of scrubbers. Of course, scrubbers should still be treated with extreme caution in places like California where ship emissions are restricted to less than 0.1%.

           


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