|
|
|
|
Annex VI- Regulations for
the Prevention of Air Pollution from Ships
Chapter
3 - Requirements for control of emissions from ships
|
| Regulation
13 - Nitrogen oxides (NOx) |
| (1) |
(a) |
This regulation shall apply to: |
| |
|
(i) |
each diesel engine with a power output of
more than 130 kW which is installed on a ship constructed on
or after 1 January 2000; and |
| |
|
(ii) |
each diesel engine with a power output of
more than 130 kW which undergoes a major conversion on or after
1 January 2000. |
| |
(b) |
This regulation does not apply
to: |
| |
|
(i) |
emergency diesel engines, engines installed
in lifeboats and any device or equipment intended to be used
solely in case of emergency; and |
SEE INTERPRETATION
13.1
| |
|
(ii) |
engines installed on ships solely engaged
in voyages within waters subject to the sovereignty or jurisdiction
of the State the flag of which the ship is entitled to fly,
provided that such engines are subject to an alternative NOx
control measure established by the Administration. |
| |
(c) |
Notwithstanding the provisions of
sub-paragraph (a) of this paragraph, the Administration may allow
exclusion from the application of this regulation to any diesel
engine which is installed on a ship constructed, or on a ship
which undergoes a major conversion, before the date of entry into
force of the present Protocol, provided that the ship is solely
engaged in voyages to ports or offshore terminals within the State
the flag of which the ship is entitled to fly. |
SEE INTERPRETATION
13.2
| (2) |
(a) |
For the purpose of this regulation,
major conversion means a modification of an engine where: |
| |
|
(i) |
the engine is replaced by a new engine built
on or after 1 January 2000, or |
| |
|
(ii) |
any substantial modification, as defined in
the NOx Technical Code, is made to the engine, or |
| |
|
(iii) |
the maximum continuous rating of the engine
is increased by more than 10%. |
SEE INTERPRETATION
13.3
| |
(b) |
The NOx emission resulting
from modifications referred to in the sub-paragraph (a) of this
paragraph shall be documented in accordance with the NOx
Technical Code for approval by the Administration. |
| (3) |
(a) |
Subject to the provision of regulation
3 of this Annex, the operation of each
diesel engine to which this regulation applies is prohibited,
except when the emission of nitrogen oxides (calculated as the
total weighted emission of NO2) from the engine is
within the following limits: |
| |
|
(i) |
17.0 g/kW·h when n
is less than 130 rpm |
| |
|
(ii) |
45.0 x n-0.2
g/kW·h when n is 130
or more but less than 2000 rpm |
| |
|
(iii) |
9.8 g/kW·h when n
is 2000 rpm or more |
|
|
where n
= rated engine speed (crankshaft revolutions per minute). |
| |
|
When using fuel composed of blends
from hydrocarbons derived from petroleum refining, test procedure
and measurement methods shall be in accordance with the NOx
Technical Code, taking into consideration the test cycles and
weighting factors outlined in appendix II
to this Annex. |
|
(b) |
Notwithstanding the provisions of
sub-paragraph (a) of this paragraph, the operation of a diesel
engine is permitted when: |
| |
|
(i) |
an exhaust gas cleaning system, approved by
the Administration in accordance with the NOx Technical
Code, is applied to the engine to reduce onboard NOx
emissions at least to the limits specified in sub-paragraph
(a), or |
| |
|
(ii) |
any other equivalent method, approved by the
Administration taking into account relevant guidelines to be
developed by the Organization, is applied to reduce onboard
NOx emissions at least to the limit specified in
sub-paragraph (a) of this paragraph. |
|
|