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  • Scrubbers for the maritime industry - ANDRITZ SeaSOx
  • Latest ANDRITZ SeaSOx news and projects

Latest ANDRITZ SeaSOx news and projects

Due to the lower sulfur limits that will enter into force for shipping worldwide in 2020, more and more shipping companies are equipping their ships with exhaust gas scrubbers.

ANDRITZ has adapted its power plant-proven exhaust gas purification technology for the maritime sector and is now naming it ANDRITZ SeaSOx.

Annual report 2019: SeaSOx

How can the exhaust gas from ships’ engines be cleaned thoroughly and cost-effectively?

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SeaSOx wet scrubber for RoPax ferry “Marco Polo”

The German shipowner TT-Line installed two SeaSOxwet open-loop scrubbers (one scrubber per main engine) in December 2019 and January 2020 for their RoPax ferry Marco Polo (previously Barbara Krahulik).

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Two ANDRITZ SeaSOx wet open loop scrubber systems for Dole Chile & Dole Colombia

Dole, operating between the United States, South America and Europe as the world's largest producer of bananas and pineapples, ordered two SeaSOx wet open loop scrubber systems in October 2019 for their reefer container vessels. Each ship has one main engine with 23.9 MW and four auxiliary engines, two of which have 2.8 MW and two with 3.8 MW. The total power output of each vessel is about 37 MW. ANDRITZ is responsible for engineering and supply of all the main equipment, such as pumps, scrubber tower, valves, CEMS and I&C. Retrofitting of the first ship has been scheduled for August 2020, with the second vessel to follow in September 2020. With this technology, Dole is able to burn High-sulfur Fuel Oil (HFO) and thus comply with the new emission regulations that come into force on January 1st, 2020.

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Two ANDRITZ SeaSOxwet hybrid scrubber systems for the Chinese Chengxi Shipyard

The Chinese Chengxi Shipyard has ordered two SeaSOx wet hybrid scrubber systems in June 2019 for their container vessel newbuilds, which will be operated after completion by the Dole company. The two ships will start operation in October and December 2020. Even if the delivery time seems to be long, the yard needed the complete engineering package at a very early stage to implement the scrubber system in their ship design planning. In addition, these projects are the first references for a hybrid version of the SeaSOx technology, and mark therefore an important milestone in the development of this booming market. Hybrid means, that the system can operate in Open Loop (sea water is used as absorption media) and Closed Loop mode (caustic solution is used as absorption media). Additionally, the discharge water of the Closed Loop process has to be treated to reach the environmental limits.

The ships are equipped with one main engine with 16 MW and four auxiliary engines with 2 MW each. Hence, also the combination of different sources is a new design point, which is a very important reference in this market. ANDRITZ is responsible for engineering and supply of all main equipment like pumps, scrubber tower, separator, heat exchanger, valves, CEMS, and I&C.

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MED-G CERTIFICATION - Important milestone reached

With the MED-G certification from the DNVGL classification society, ANDRITZ has received its first confirmation of safety and environmental compliance for a scrubber installed on a maritime vessel. This certification is necessary in order to obtain a permit to continue operating the ship with high-sulfur fuel and using an SO2 removal unit. In this special case, it is also a world premiere because the MV Piana uses the innovative SeaSOxdry technology. No other ship globally has an installation using this kind of technology. SeaSOxdry not only removes SO2, but

also particulates, there is no plume produced at the stack outlet. In addition, no water is discharged. Hence, this certification marks an important milestone in bringing this promising technology forward and also gaining acceptance for it from other clients. The dry SO2 removal solution is a very attractive technology, especially for ferries operating in European waters.

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ANDRITZ SeaSOxwet (Wet exhaust gas desulphurization system)

ANDRITZ Air Pollution Control to retrofit a wet SeaSOx scrubber on a 300 m long bulk carrier, operating between Chile and China. The agreement was signed in July 2018 to install a SeaSOxwet system having a square footprint with very low space requirements of 2.8 m side length for one main engine with 18.66 MW. The system was designed for removal of SO2 from 3.5 to 0.5%S and will be installed in September 2019.

PIANA Arrivée à MARSEILLE Dimanche 29 Avril 2018 (1)
ANDRITZ SeaSOxdry (Dry exhaust gas desulphurization system)

ANDRITZ and SOLVAY sign first agreement with La Méridionale to remove SOx with a dry scrubber.

U type scrubbers for ANDRITZ hybrid system to be installed on new container vessels. The open spray towers are equipped with three spray levels and the patented FGDplus module to avoid male-distribution of the exhaust gas and to support soot and SO3 removal. The scrubbers were manufactured at the ANDRITZ workshop in Foshan

© ANDRITZ
© ANDRITZ

Exhaust gas cleaning systems

ANDRITZ SeaSOx - Exhaust gas cleaning for the maritime industry

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SeaSOx Scrubber technology

ANDRITZ SeaSOx Scrubber - the wet desulphurization technology for exhaust gas cleaning on ships.

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SeaSOx Dual/Multi Filtration technology

SeaSOx Dual/Multi Filtration - the dry desulphurization technology for exhaust gas cleaning on ships.

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