ClassNK Releases New Guidelines for Exhaust Gas Cleaning Systems

Classification Societies, Emissions, Environment, Marine Equipment Products and Services, Regulatory, Technical, Technology — By on October 17, 2014 at 4:26 PM
Noboru Ueda

Noboru Ueda

Tokyo – Leading classification society ClassNK (Chairman and President: Noboru
Ueda) announced that it has released Guidelines for Exhaust Gas Cleaning Systems.
These guidelines cover class safety requirements as well as safety requirements stipulated in the IMO guidelines.

The MARPOL Convention Annex VI has placed phased limits on the maximum allowable amount of sulphur in fuel oils used by vessels globally, as well as stricter
requirements in geographically defined emission control areas. Under the regulation,  more stringent limits will be enforced over time.

In the face of these more stringent limits, the industry has begun to look towards
alternative solutions to the expensive low sulphur content fuel oils currently
required by the regulations. Exhaust gas cleaning systems, which reduce the
amount of sulphur in vessel emissions, are one such technology.

The use of such systems requires approval from relevant authorities in accordance
with guidelines issued by the IMO, and today a number of such systems are being
developed and installed in line with the IMO guidelines.

In order to support industry efforts to install and operate IMO guideline-compliant
exhaust gas cleaning systems, ClassNK joined with Japan’s National Maritime
Research Institute (NMRI) to develop the new Guidelines for Exhaust Gas Cleaning
Systems, which offers comprehensive explanations of the contents of the IMO
guidelines. The easy-to-understand guidelines also compile the relevant safety
requirements and other essential information related to the installation and
operation of such systems.

The Guidelines for Exhaust Gas Cleaning Systems are available free of charge via
ClassNK’s website www.classnk.com for those who have registered for the ClassNK
“My Page” service. To register for the “My Page” service free of charge, go to

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