WÄRTSILÄ AIR EMISSION SOLUTIONS RUDOLF WETTSTEIN MARKETING & APPLICATION DEVELOPMENT WÄRTSILÄ SWITZERLAND LTD 1 Wärtsilä 14 June 2011
How we meet IMO MARPOL Annex Vl Air Emission legislation with marine diesel engines burning heavy fuel oil with marine dual-fuel engines burning natural gas 2 Wärtsilä 14 June 2011
NOx (g/kwh) IMO MARPOL Annex Vl, NOx emissions 18 16 SCR for 4-stroke engines Ready product Orders >160 units hereof in operation > 130 units 14 12 Area for Primary Methods 10 8 6 4 Area for NOR SCR to reduce NOx 2 0 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 Rated engine speed (rpm) Tier I > 130 kw - New ships 2000 Tier II > 130 kw - New ships 2011 Tier III > 600 kw - New ships 2016 in designated areas SCR for 2-stroke engines Pre-TC SCR with engine integration 3 units in operation 3 Wärtsilä 14 June 2011
SCR arrangement for medium-speed engines Soot blowing Dosing unit Pressurized air vessel Control unit SCR reactor Urea tank Mixing duct Urea injection Pumping unit Urea consumption ~ 15-20 l/mwh (depending on the raw emissions) Operational cost ~ 6 /MWh (Urea, replacement of catalytic elements) Investment cost ~ 25-50 /kw 4 Wärtsilä 14 June 2011
SCR examples, low-speed engine Single TC Multi TC 5 Wärtsilä 14 June 2011
Reference SCR Engines: Vessels: Type of ship: Owner: 1 Main engine Sulzer 7RTA52U (10 920kW) 2 Auxiliary Engines Wärtsilä 6L20 M/V Spaarneborg M/V Schieborg M/V Slingeborg RoRo Wagenborg 1 st vessel in service: December 1999 Certificate: NO X -emissions < 2g/kWh 6 Wärtsilä 14 June 2011
HPC HPT Turbine Bypass LPC LPT Candidate technologies IMO Tier III, low-speed engines Activities on wide range of technologies for providing the best fit(s) for our clients Total cost of ownership Technical feasibility and reliability also a fuel issue 2-stage TC EGR WaCoReG SCR Exhaust out Air in 10 2 5 Intercooler 9 11 7 4 M 12 Charge Air Cooler 8 8 6 1 3 8 7 11 Examples of technology development for Tier III compliance 7 Wärtsilä 14 June 2011
Sulphur abatement technology Fresh water scrubber (closed loop) Market introduction phase Using NaOH SO 2 reduction: > 97 % Specially fitted for brakish waters Hybrid scrubber, fresh- or seawater (open loop) Under development Using NaOH or sea water Optimised for all watersheds MT Suula Pilot scrubber Global SO X limit: max. 4,5 % S SO X limit: max. 3,5 % S SO X limit: max. 0,5 % S Emission control areas SO X limit: max. 1,5 % S SO X limit: max. 1,0 % S SO X limit: max. 0,1 % S 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 8 Wärtsilä 14 June 2011
Sail on GAS reduce emission at the source 9 Wärtsilä 14 June 2011
Natural gas as marine fuel medium-speed engine Emission values [%] -25% 100 90 80 70 60-85% 50 40 CO 2 NO x -100% 30 20 SO x Particulates -100% Dual-Fuel engine in gas mode Diesel engine NOx Tier lll (2016) and SOx level in ECA (2015) are fully met! 10 0 10 Wärtsilä 14 June 2011
Select the right technology ** ** ** ** * * DUAL-FUEL (DF) Meets IMO Tier III GAS INJECTION *** ** ** ** * ** ** * * GAS INJECTION SPARK-IGNITION GAS (SG) Meets IMO Tier III No redundancy No HFO flexibility * * GAS-DIESEL (GD) Does NOT meet IMO Tier III High gas pressure GAS INJECTION 11 Wärtsilä 14 June 2011
Wartsila s choice for medium-speed ** ** ** ** * * DUAL-FUEL (DF) Meets IMO Tier III GAS INJECTION 1 IMO Tier III compliant 2 Low pressure gas 3 Fuel flexibility; GAS, MDO and HFO 12 Wärtsilä 14 June 2011
Gas engines on order/service Power Plant 752 engines since 1989 SG/DF/GD LNG Carriers 68 installations 254 engines, DF >1 000 000 running hours 13 Wärtsilä Total of ~1100 gas engines on order/service 14 June 2011 Offshore 22 installations 78 engines since 1994 DF/GD
Dual-Fuel Engine Portfolio 20DF 6L20DF 1.0 MW 8L20DF 9L20DF 34DF 6L34DF 9L34DF 12V34DF 16V34DF 20V34DF 50DF 6L50DF 8L50DF 9L50DF 12V50DF 16V50DF 18V50DF 17.55 MW 14 Wärtsilä 14 June 2011 0 5 10 15
Solution for LNG powered vessels F LNGPac: a complete and modularized solution for LNG fuelled ships E A. Storage tanks D A B. Evaporators C. Dual-Fuel Main engine C B D. Dual-Fuel Aux engines E. Bunkering station(s) F. Integrated control system Cylindrical pressure vessel Vacuum insulated Approved for passenger vessels 15 Wärtsilä 14 June 2011
First conversion contract sailing on LNG Sept. 2011 Vessel delivery date 17.09.2007 Vessel typology 25'000 dwt Chemical tanker Owner Tarbit Shipping AB Ship Builder Shanghai Edward Shipbuilding Co Ltd Flag Sweden TODAY Class Germanischer Lloyd 2 x W6L46B, 5850 kw each Ice Class PTOFS Ice Class 1A CPP MV BIT VIKING GVU L N G TOmorrow 2 x W6L50DF, 5700 kw each LNGPac 2 x 500 m3 Conversion engineering, integration and delivery of equipment by Wärtsilä 16 Wärtsilä 14 June 2011
DUAL-FUEL low-speed engine Feb 16, 2011 development announcement of a 2s DF engine program >40 years of experience in marine gas engine application, low- and medium speed Test engine 6RT-flex50 in Trieste, start up in June 2011 Pilot installation expected at sea in 2014 17 Wärtsilä 14 June 2011
Gas engine history within SULZER Several projects in the past: 1965-72: low pressure loop scavenged engines tested, 7RNMD90 finally installed in 29 400m 3 LNG-carrier MV Venator Length oa 181.6 m Breadth 29.0 m Depth 16.5 m Service speed 20 kn Building Yard Moss Verft A/S, Hull 176 7RNMD90 15 000 kw / 122 rpm Builder Sulzer Winterthur 18 Wärtsilä 14 June 2011
Thank you for interest and attention 19 Wärtsilä 14 June 2011