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The black carbon removal equipment CERALLEC SYSTEM for ship diesel main engines

Outline

Image of the ship

Exhaust gas regulations are expected to spread not only to the fields of automobiles but also to ship in the near future.
NGK has many track records on soot removal from exhaust gases of diesel generators of ships and are developing applications for main engines.
Through this research, NGK established that CERALLEC SYSTEM can treat for exhaust gases with much tars from main diesel engine directly.

Test results

The field test with exhaust gas from main engine on the actual ship was carried out. -> confirmed "stable operation."

  • Test device
Test device
  • The soot removal ratio -> 95% over
Dust conc. In exhaust gas
Dust conc. In exhaust gas
Soot removal
Soot removal
  • The differential pressure -> stable 1100 hours with backflush & heat regeneration
Test on actual ship (operation data)

The effect on SCR and Scrubber circulating water was investigated by land test. ⇒ confirmed "load reduction"

  • Integration test flow
Integration test flow
  • The turbulence increase of Scrubber circulating water ⇒ gently
The relationship between operating time and turbidity of circulating water in scrubber
The relationship between operating time and turbidity of circulating water in scrubber
Scrubber circulating water
Scrubber circulating water
  • The differential pressure of SCR ⇒ stable with CERALLEC
The relationship between operating time and the differential pressure of the SCR system
The relationship between operating time and the differential pressure of the SCR system
Catalyst surface
Catalyst surface
  • *This research was carried out jointly by DAIICHI CHUO KISEN KAISHA, National Maritime Research Institute and NGK INSULATORS as part of the ClassNK Joint R&D for Indutry Program.

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