Transcript PureDry Sales 140402

PureDry
Waste fuel recovery
Forum 25th April 2014
Dimitris Poulos
ALFA LAVAL AEBE
Waste fuel oil
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Waste fuel oil tank
Content
?
Recovered fuel from a
100 m3 waste fuel oil tank
could save you…
USD 32,500
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Sources
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Up to 2 % of HFO is lost – The Sources
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Service tanks
Automatic FO filters
Injector pumps
FO Purifiers
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Waste fuel oil
content
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Contents in the waste fuel oil tank
45 – 55 %
Fuel oil
55 – 45 %
Oil polluted water
Suspended solids
~1%
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Finding out the content…
Example
USD 32,500
WFO
100 t
49.5 t
Fuel oil
(max 60 ppm catfines)
(max 1% water)
49,5% fuel oil
49,5% water
1% solids
49.5 t
Water
(max 100 ppm oil)
1.0 t
Solids
(appr. 7% catfines)
(600 – 1000 ppm catfines)
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Rules &
Regulations
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IMO MEPC.1/Circ.642
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IMO MEPC.1/Circ.642
5
Definitions for the purpose of the Guidelines
5.1
Oily waste means oil residues (sludge) and oily bilge water.
5.2
Oil residue (sludge) means the residual waste oil products such as
those resulting from the purification of fuel or lubricating oil from main
or auxiliary machinery or separated waste oil from bilge water separators,
oil filtering equipment or oil collected in drip trays, and waste hydraulic
and lubricating oils.
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IMO MEPC.1/Circ.642
4.6
Re-generating fuel oil from sludge
4.6.1 Oil residue (sludge) may be used onboard as re-generated fuel. Oil
residue (sludge) is collected in an oil residue (sludge) tank prior to
processing (disposal) back into the fuel oil system as re-generated fuel oil.
4.6.2 Oily drains should be recorded in the oil record book as any other
oil residue (sludge) collection.
4.6.3 Re-generation of fuel oil from oil residue (sludge) should be an
approved means of disposal of oil residue (sludge) according to the
Supplement to the IOPP Certificate.
4.6.4 The re-generating process may include filtration, decanting or
purification to remove unwanted heavy parts from the oil residue (sludge).
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The waste fuel oil
recovery process
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Waste fuel oil sources, examples
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Fuel automatic back flushing filters
Fuel injection pumps
Fuel separators
Fuel settling & service tank’s bottom drains
Tank coamings and cofferdams
Boiler burner leakages
Drip trays under fuel transfer pumps, etc.
Pipe leakages
Incident fuel spills
Fuel oil waste tank cleanings
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Waste fuel oil collection
Waste fuel oil is to
be kept separate…
…from waste lube oil
Recovered lube oil is not acceptable as re-generated
fuel for diesel engines due to high additive content
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PureDry integrated process
Collection
Settling
tank
Recovery
Fuel
Separators
Diesel Engines
Transfer
Day tank
Fuel
Conditioning
System
(Fuel filter etc)
FO transfer
pump
Settling
Bunker
tank
tanks
Overflow
tank
FO Main
sludge
tank
Other
sources
Sludge
pump
FO Drain
tank
- Boiler burner
- Pump drip trays
- Etc
Clean fuel
transfer pump
Recovered
fuel tank
Primary
Bilge
water tank
PureDry
system
Waste fuel oil recovery
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Integration diagram
WFR system
PureDry system
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The Sludge tank
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Capacity of sludge tanks
MARPOL Annex I, Unified Interpretation of Reg 12.1
16.1.2 When such ships are fitted with homogenizers, sludge
incinerators, or other recognized means onboard for the control of
sludge, the minimum sludge tank capacity (V1) should, in lieu of the
above, be:
V1 = 1m3 for ships of 400 gross tonnage or above but less then 4,000
gross tonnage, or 2 m3 for ships of 4,000 gross tonnage and above.
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The PureDry system
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Separator
insert
XCavator
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The PureDry module
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Dosing unit & pump unit
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References
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Frontline
40+ PureDry systems
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Mediterranean Shipping Company
40+ PureDry systems
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Wallenius Marine
4 PureDry systems
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Stena
10 PureDry systems
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Silja Line
1 PureDry system
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Royal Caribean Cruise Line
1 PureDry system
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Norwegian Cruise Lines
5 PureDry systems
“With coming regulations
(e.g. Energy Efficiency
Design Index) it’s becoming
a clearer component!”
“We expect to save
K€ 100 the first year!”
Stig Björklund
Team leader Hull & Machinery
Norwegian Cruise Lines
Christer Karlsson,
Vice President, Newbuilding
Norwegian Cruise Lines
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PureDry marine references
Year Ship/Power plant
Owner
Ship type
2013 40+ vessels (newbuildings)
MSC
Container
2013 40+ vessels (newbuildings)
Frontline
Tank
2013 10 vessels (newbuildings)
Stena
Tank
2013 4 vessels (newbuildings)
Wallenius Marine
Car Carrier
2013 4 vessels (newbuildings)
NCL
Cruise
2013 1 vessel (newbuilding)
CCL
Cruise
2013 Costa Luminosa (retrofit)
Costa Crociere
Cruise
2013 Norwegian Pearl (retrofit)
NCL
Cruise
2013 Navigator of the Seas (retrofit) RCCL
Cruise
2013 Tor Fresia (retrofit)
DFDS Seaways
RoRo
2012 Silja Symphony (retrofit)
Silja Line
Ferry
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Case study – Silja Symphony
• Total main engine power: 33 MW
• PureDry installed at end of 2011
• After one year approx 150 tons
of fuel oil recovered
• Streams from process are put to:
- Treated water: Bilge Holding tk
- Recovered fuel: To bunker tanks
- Dry solids: To shore as dry waste
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Summary
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Operator benefits
• Up to 2% reduction in fuel costs
• 99 % reduction of oily waste volumes – minimal amount of solids
for disposal ashore
• No additional waste generated
• Virtually eliminates oil waste handling costs
• Effective pretreatment of water prior to discharge to the bilge
water tank
• Reduction in CO2 footprint
• Low fixed maintenance cost
• Continuous mechanical warranty (MSE concept)
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Installation benefits
•
Smaller holding tank volumes, increasing
payload capacity
•
Compact modular design, for installation
flexibility
• Easy to integrate with existing onboard
systems
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Savings
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Savings example
20 MW engine with different recovery factors
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Savings example
Different engine sizes
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PurePay
Note: PurePay is available for download from the PureDry site at Alfa Laval Share:
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Laval
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The End
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