Exam Question
(a) What are NOx & SOx limitations as per Annex VI of MARPOL.
(b) Briefly describe methods to control NOx emission and Sox emission.
Class 2 (2nd Engineer)
SSEP
📅 Jan 2023
Reference Answer
(a) NOx and SOx Limitations as per MARPOL Annex VI
NOx Limitations
The latest NOx emission Tier III has been enforced from January 1, 2016, in Emission Control Areas (ECAs) . Tier II emission limits apply to engines installed on or after January 1, 2011, while diesel engines installed on or after January 1, 2000, are required to comply with Tier I emission limits.
The NOx emission limits (in g/kWh) are as follows:
NOx Limitations
The latest NOx emission Tier III has been enforced from January 1, 2016, in Emission Control Areas (ECAs) . Tier II emission limits apply to engines installed on or after January 1, 2011, while diesel engines installed on or after January 1, 2000, are required to comply with Tier I emission limits.
The NOx emission limits (in g/kWh) are as follows:
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