World News
Maersk Gets 50% Reduction in NOx Emissions in New Tech Tests
A.P. Moller-Maersk (Maersk) tests have demonstrated the ability of exhaust gas recirculation (EGR) technology to reduce ship emissions of nitrogen oxides (NOx) by 50 percent, industry news site Handy Shipping reports.
As the International Maritime Organisation (IMO) moves toward implementation of Tier III air pollution standards for emissions control areas (ECAs), the technology presents a possible way to meet new standards without the use of liquefied natural gas (LNG) bunkers.
Maersk has been testing the EGR systems, developed by MAN Diesel & Turbo with support from Alfa Laval, on the Alexander Maersk and the Maersk Cardiff.
The 1,092 twenty-foot equivalent (TEU) Alexander Maersk was retrofitted with an EGR in 2010 and has now operated with the device for more than 2,200 hours, reducing NOx emissions by half compared to today's base emissions level.
The larger 4,500 TEU Maersk Cardiff has used the device for more than 1,000 hours of operations.
Unlike Selective Catalytic Reduction (SCR) systems, which remove NOx as an after-treatment, EGRs are integrated into the ships' engines to prevent the pollutant's formation during combustion.
MAN Diesel has pointed to EGRs as one of a variety of technologies that may come into play as ship owners adjust to new emissions rules.
Key Bunker Prices More
| VLSFO | MGO | |||
|---|---|---|---|---|
| $/mt | +/- | $/mt | +/- | |
| Singapore | 649.00 | 0.00 | 770.00 | 5.00 |
| Rotterdam | 602.50 | 1.00 | 762.00 | 2.50 |
| Houston | 630.50 | 4.00 | 796.50 | 2.50 |
| Fujairah | 648.50 | 0.50 | 900.00 | 4.50 |
| Global 20 Ports Average | 666.00 | 2.00 | 856.00 | 1.00 |
| Global 4 Ports Average | 632.50 | 0.50 | 807.00 | 1.00 |
| Global Average Bunker Price | 715.50 | 1.00 | 893.00 | 8.00 |
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