Wärtsilä said its new inline scrubber system offers a number of “notable benefits” over conventional exhaust gas cleaning systems. Already with several ships in line for installation, the company says its new product, saves space, lowers cost and eases installation.Important for all vessels, but particularly for smaller vessels and retrofit projects, space is of chief concern when considering engine room configuration. Add after-treatment products such as scrubber systems into the mix, and space becomes an even greater priority.Sigurd Jenssen, Director, Exhaust Gas Cleaning, Wärtsilä Ship Power, said, “Space availability is a challenge that makes it difficult for many vessels to have exhaust gas cleaning systems installed.” That’s why Wärtsilä has placed a great deal of emphasis on compactness when designing its new inline scrubber system, which was engineered to conserve considerable (and precious) space. The company said thi... [More]
Following a similar order from DFDS earlier in 2013, a repeat order for PureSOX was placed by Dutch ship owner Spliethoff near the end of the year. The order confirms not only the commercial viability of the exhaust gas cleaning system, but also customer confidence in the system’s performance within Emission Control Areas (ECAs).
SOx Emission Control Areas (SECAs)
Signed in November, the order from Spliethoff comprises PureSOX systems for five Con-Ro vessels. The vessels will be retrofitted between June and December of 2014 reports the company.PureSOX is a hybrid scrubber system, able to operate with either seawater or fresh water. And while the technology is relatively new, it has been demonstrated to reduce sulphur content in vessel exhaust by more than 98%. An order based on real-world experienceSpliethoff, one of the largest ship owners in the Netherlands, has been operating with PureSOX aboard the M/V Plyca. Alfa Laval delivered the system in 2012, and it has been in ... [More]
A recent North European conducted survey of some of the biggest shipping companies in Europe shows that they will choose the low-sulfur marine gas oil when the new emission regulations comes into force next year.Some of Europe's large shipping owners without doubts will choose to use the more expensive, low-sulfur marine gas oil once the environmental regulations aimed at reducing the sulfur content in ship fuel comes into effect on January 1st 2015 in the European SECA zone. The alternatives to switching to marine gas oil with a lower sulfur content include continuing to use the traditional high sulfur fuel and cleaning it with scrubber (exhaust cleaning system), or switching to natural gas (LNG).
While a big number of shipping companies have announced intentions of switching to natural gas on the long term (there is no doubt: it will come), the survey shows that a majority of the carriers choose marine gas oil as the immediate solution, although it costs much more than fuel wit... [More]
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Trade fears cost increase – Shipping owner under considerable pressure
Shipping traffic on North- and Baltic Sea becomes notable more environmentally friendly as of 2015 – and could just generate significant cost increases also in other segments.The allowed amount of ships sulfur emission drops to a maximum of one tenth of the previous amount. In addition also less nitrogen oxides and particulate matters are allowed. This is of the benefit to the environment, because the maritime traffic is a huge burden for the sensitive marine ecosystem and the air quality along the coast line. But due to the more stringent regulations a series of negative consequences will follow in other areas.About 4.000 vessels are in regular service on the North- and Baltic Sea (SECA areas). Shipping owners have the possibility to fulfil these regulations by using expensive sulfur free fuels or they install afterwards scrubber systems in their ships.
Container vessels with black trail of smoke - exp... [More]
Clean Marine’s Exhaust Gas Cleaning System (EGCS, or more informally ‘scrubber system’) fitted to Torvald Klaveness’ bulk carrier MV Balder is the first, say the manufacturers, to operate this type of system inside the US Emission Control Area (ECA). The ship’s master obtained prior permission from the US Coast Guard to enter and exit the zone burning its normal Heavy Fuel Oil, with diesel engine exhaust gasses scrubbed by the EGCS, rather than burning the more expensive Low Sulphur Fuel Oil (1% Sulphur content).
Bulk carrier MV Balder: Photo courtesy of Clean Marine
Subsequently, officials from the U.S. Coast Guard and EPA, conducted a Port State Control examination in Baltimore and confirmed that the installed Clean Marine EGCS was operating satisfactorily and in full compliance with MARPOL Annex VI as an alternative to burning low sulphur fuel oil as set out in the vessel’s International Air Pollution Prevention Certificate. MV Balder ... [More]
Norway's Clean Marine says it offers a patented exhaust gas cleaning system (EGCS) to meet upcoming regulations on sulphur emissions. "For vessels sailing in European waters and other emission control areas (ECAs), a maximum sulphur limit of 0.1% will apply from 2015," said CEO Nils Hoy-Petersen. "The Clean Marine system will clean both sulphur oxides (SOx) and particulate matter emissions from main and auxiliary engines as well as boilers." The EGCS is said to be the only system currently on the market with true multi-stream exhaust gas handling. This means that all exhaust sources on board are served by one common EGC unit without encountering an increase in back pressure, Clean Marine said. In addition the system can be retrofitted and installed, with slight modifications, in the existing funnel design.
Two fans and a gas recirculation mechanism integrated into the EGC unit ensure that pressure at the common gas-meeting point is maintained at ambient level, irrespective of th... [More]
Small-size, big performance, exhaust gas emission scrubbers by Green Tech Marine were recently installed by Norwegian Cruise Lines (NCL) in their Pride of America, following on the heels of an earlier pilot installation aboard Royal Caribbeans’ Liberty of the Seas. The scrubbers will be installed in March during the ship’s dry- docking in Pearl Harbor Naval shipyard to replace the ships silencers and clean the exhaust of four 8 MW engines, in what the manufacturers claim to be the biggest marine scrubber installation in the world at this time.
'Pride of America': Photo credit Wikimedia CCL 2
Paraphrasing Shakespeare’s Hamlet: ‘To scrub, or not to scrub, that is the question’ … For to be legal and comply with reduced SOX emission limits, in Emission Control Areas (ECA’s) ships can either operate on low-sulphur residual and distillate fuels or fit exhaust gas treatment systems (EGTS) otherwise known as SOX scrubbers. These systems clean ... [More]