Up to 4.5%. In the DryEGCS-Process Ca(OH)₂ (Calcuim hydroxide) reacts with sulphur oxide to gypsum. The higher the sulphur content, the higher the consumption of the calcium hydroxide granulate.

What % of particulate matter is removed?

80% of particulate matter is removed.

Can DryEGCS be combined with SCR technology?

DryEGCS can be combined with a SCR-System. The DeNOx System can remove 90% of NOx.

Can boilers and economizers be used in connection with DryEGCS?

Yes, since the loss of temperature is negligible.

Does DryEGCS removed CO2?

DryEGCS is able to remove CO₂ up to 15%.

Yes. Ceramic industry (HFO fired tunnel oven), secondary melting processes, biomass incineration (Europe, Australia, Americas).

What sizes of applications have DryEGCS units been fitted to (megawatt - MW)?

Landbased applications of approx. 250 000 Am³

When were the units fitted and how long have they been operated?

The units have been in continuous operation for 20 years.

What is the type of fuel and maximum / typical % of sulphur that has been in use?

HFO (IFO ISO 8217) 4.5% sulphur content.

How many DryEGCS trial units are / have been fitted?

One pilot installation onboard of MV Timbus. Two trial units at Technical University Hamburg (TUHH).

What size of engine was DryEGCS fitted to (MW)?

3.6 MW main engine of MV Timbus.

When were the units fitted and how long have they been operated (h)?

October 2009, 3000 h operating hours to date and it is still operating.

On what type of vessel and where have they been operating?

Freighter, 6389 tdw, Baltic and Northern Sea (ECA).

What is the maximum and typical % of sulphur fuel that has been in use?

Maximum: 1,78% of sulphur in fuel, typical 0.94% of sulphur in fuel.

Has the emissions to air performance of onboard EGCS units been independently verified and results published?

Yes, GL emission report, Approval- No. 97248-10 HH.

Please provide a link to the performance report(s)

Report available upon request.

Please provide a link to the environmental impact assessment(s)

^{There is no environmental impact.}

No

Have any DryEGCS units been certified under Scheme B of the EGCS guidelines?

Yes

What size DryEGCS units are certified under Scheme B (MW)?

3.6 MW DryEGCS Unit on MV Timbus

Please advise when and by whom.

Germanischer Lloyd, 27.04.2010

Ca(OH)₂ - calcium hydroxide

For the following please assume 2.7% of residual sulphur fuel: What is the consumption of dry chemicals (kg/h/MW)?

With an estimated specific fuel oil consumption of 200g/kWh and 2.7% sulphur content the calcium hydroxide consumption will be approx. 16kg/h/MW.

 

Are there any other consumables associated with the actual process of scrubbing? If so please advise what and the consumption rate.

There are no other consumables used.

What is the EGC system’s typical power consumption (EGC system power consumption kW/ engine MW)?

1.5 - 2kW/engine MW (min. 15 - 20kW)

 

What is the size range of engines that can be currently scrubbed (MW)?

Any size

 

What is the typical footprint and height of the DryEGCS units i.e. how much space do they occupy (m2 x m)? Please advise for 1 MW and 20 MW units (or biggest in your range).

1 MW: 10 m² x 7.3 m (h)
20 MW: 63 m² x 12.9 m (h)

 

What is the in-service (i.e. filled) weight of the DryEGCS units (t)? Please advise for 1MW and 20MW units (or biggest in your range).

1 MW: 24 t fill; 9 t light
20 MW: 294 t fill; 116 t light

 

Where are the DryEGCS units normally fitted (e.g. in funnel, outside funnel etc)?

DryEGCS could in variable positions on the vessel. The connection of the system to the engines ductwork directly after the turbocharger.

 

How many exhausts per DryEGCS unit?

Multi stream is possible, i.e. one main engine plus three aux. engines.

 

Assuming a 2.7% sulphur fuel and continuous operation over a one month period. What storage capacity/ tankage is required (m³/MW) for calcium hydroxide granulate?

Density of Ca(OH)₂ in spherical form is approx. 800 kg/m³. With an estimated operating time of 720 h (30d*24h) there should be a capacity of 14.4 m³/MW.

The entire installation should be off hire.

What is a likely off hire period?

Retrofit: 5-7 working days

 

Is dry-docking likely to be required?

No

Please give what management and labor you supply (e.g. project management, vessel design/naval architecture services, manual labor – own and sub – contracted staff etc).

Project management, naval architecture services, manual labor – own and sub -contracted staff etc)

 

Please advise what management and labor is required to be supplied by the ship operator

- Electrical wiring for connection of all consumers between system and the cabinet (incl. maintenance switches).
- Complete ductwork is connection and insulation between absorber in- and outlet, the engine and the exhaust pipeline.
- Supporting structure/ foundation on the vessel.
- Wall transitions, holding devices and sealing.
- The outer housing is to be delivered by the purchaser in case the system is installed outside on the deck (mostly retro-fit).
- Proper access and possibility for storage in the harbor/shipyard
- Scaffolding, cranes, fork lift, boom lift and hoist during installation / insulation.
- Power and water supply during assembly period.

 

Who will interface with the vessel’s Classification Society regarding Installation matters?

Couple Systems GmbH

 

Who will be responsible for service after installation?.

Couple Systems GmbH

 

Who will be responsible for approval of SECC, ETM, OMM, SECP, EGC Record Book or logging system?

Couple Systems GmbH