Monthly Archives: August 2013

IMO Tier III Regulations

August 29, 2013 By admin With Comments are off for this post

These regulations set the stage for considerable further reductions of the permissible NOx emissions – with the first step (Tier II) already in force since January 2011. Tier III will become applicable after 2021, but only inside specifically designated emission control areas (ECAs), whereas, outside of these ECAs, the Tier II regulation will continue to

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Selective Catalytic Reduction

August 22, 2013 By admin With Comments are off for this post

In the process of selective catalytic reduction a catalyst converts nitrogen oxides into diatomic nitrogen (N2) and water (H2O). Both of these are harmless when released, and are safe for the environment. The process for making this conversion is to combine the NOx with a reductant, typically ammonia (NH3), which then comes in contact with

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