seca seminar 2013 wilh wilhelmsen - per brinchmann
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Pilot Exhaust Gas Cleaning SystemJune 2013
Per A. Brinchmann Wilh. Wilhelmsen ASA
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Some figures for reference
Total fuel oil consumption: 1 600 000 tons
Total cost of fuel: 1 000 000 000 USD
5 000 000 tons of CO2 6 500 tons of NOx 50 000 tons of SOx ?? tons of Particles
140 vessels in 3 commercial operators owned jointly with our Swedish partner Wallenius Lines
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Managing a New Reality
• 3
• Sulphur Regulations• A four-stream compliance strategy
• Low Sulphur Bunker Oil
• Alternative fuels
• Exhaust Gas Cleaning Systems
• ”Scrubbers”
• MGO
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Background; low sulphur fuel challenges
- Availability - Quality- Quantity; tank configuration and capacities- Planning of bunkering- Compliance; enforcement of ECA regulations- Safety and reliability in fuel switch and operation- Crew pressure- Overall cost
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Key points in scrubber pre-study
Vendor assessment
Loss of cargo space
Weight and stability
Retrofit challenges
Power consumption
Fresh water consumption
Chemicals
Operational matters
Crew
Cost
Pay-back
Acceptance in use
OK
OK
OK
??
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OK
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OK
OK
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Chosen pilot vessel MV ” Tarago”
Mk IV class RoRo; 38 500 tdw,
Main engine; MAN 22 000 kW,
5 aux. Engines; MAN 7 500 kW in total
Norwegian (NIS) Flag, DNV Class, Built 2000 (Daewoo)
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Some figures for the Tarago pilot scrubber
17 m
7 m20 m
Fuel consumption: 70 tons/day
20.000 tons/year
Price gap MGO / HFO: 350 USD (2015)
Saving potential:
100% in ECAs 7.0 MUSD /year
23% in ECAs 1.6 MUSD /year
Overall project cost 10 MUSD
Third party measurement and verification. Sponsored by the Norwegian Research Councel
Testing starts this summer
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Installation lay out
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1 km of pipes, 10 km cables, 140 drawings…..
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Main scrubber being lifted onboard
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Main scrubber with the two venturies
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New funnel top section; 45 tons
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More scrubbers in our fleet?
Retrofits can be complex and expensive Suitable for newbuilds A competetive advantage Engineering capacity a limitation (?) Technical and financial risks manageable Political risk an issue (?)
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But, most important of all;
….. a highly motivated crew!