Panama approves Japanese scrubber system

Ambassador Diaz of Panama presents the certificate Ambassador Diaz of Panama presents the certificate

A newly-developed Hybrid Sox Scrubber System has been officially approved by the Republic of Panama after testing results have been verified.

Kisen Kaisha (K Line), Mitsubishi Heavy Industries (MHI) and Mitsubishi Kakoki Kaisha (MKK) have been undertaking test operations aboard a ship for a year. The tests verified the system’s effectiveness in curbing emissions of air pollutants complies with international regulations.

The test unit of the Hybrid SOx Scrubber System is the first installation of a system jointly developed by MHI and MKK specifically for marine applications.

It is installed on K Line’s large-scale car carrier the Drive Green Highway, it has been undergoing verification testing ever since the ship’s delivery in February 2016 and the test results mark the first time Nippon Kaiji Kyokai (Class NK) has satisfied international guidelines for exhaust gas cleaning systems.

Panama approved that Drive Green Highway is equipped with an exhaust gas cleaning system that is effective and on January 11 a certificate of compliance, was conferred at the Embassy of Panama in Tokyo.

The Hybrid SOx Scrubber System is the first commercialised system in Japan to comply with the more stringent SOx emission regulations that took effect, starting with ECAs, in 2015.

It has two modes: an open-loop mode in which seawater intake is sprayed directly on the exhaust gas; and a closed-loop mode in which fresh water is used as the cleaning water, and after the exhaust gas is cleaned, it is then neutralised using sodium hydroxide (NaOH), after which water is then sprayed on the exhaust gas again. T

In the future, K Line, MHI and MKK aim to continue to pursue diverse environmental protection initiatives, including the development of measures to prevent air pollution to help curb increasingly heavy environmental loads on a global scale.


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