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Fuelpower Soot Remover Liquid Plus

Newly formulated Unitor™ FuelPower Soot Remover Liquid Plus increases the cleaning / maintenance interval for your exhaust gas economizer / boiler from every 3 months to 12 – 15 months.
Published: (Wilhelmsen Ships Service, Marine chemicals)

Extensive yearlong trials on MV Tonsberg, a 76500 GRT Ro-Ro vessel propelled by MAN B&W 7 Cylinder L70 ME-C8, clearly showed tangible benefits of using our new treatment chemical. The use of our new Unitor™ FuelPower Soot Remover Liquid Plus provides clear benefits like: 

  • Keeps EGB free of soot
  • Increases cleaning interval to 12-15 months
  • Prevents acid formation
  • Prevents cold corrosion
  • Reduces risk of soot fires
  • Environmental friendly by reducing emission of soot particles
  • Reduces the challenge of dealing the acidic wash water every 3 months
  • No use of heavy metal compounds such as Copper Nitrate
  • 24/7 support for your needs



  • Untreated fuel oil leads to frequent cleaning, every 2-3 months interval
  • Using additional time, money and resources to carry out a cleaning job when vessel is in port, additional strain on resources
  • Wear and tear of equipment / labour needed to carry out the cleaning


  • Challenge in discharging away the dirty wash water. The wash water containing acidic soot cannot be disposed in sea water in port – requires additional waste management.


  • Reduced efficiency as soot deposits are extremely insulating. Quick fact 1 mm layer of soot can reduce the efficiency of the exhaust gas boiler with up to 10%
  • Soot fires resulting in overheating due to soot deposit
  • Cold corrosion in case of slow steaming with low exhaust temperatures


Low quality fuel:

  • Contaminants such as Vanadium, Sodium, Aluminium, Silica, Potassium and other metals cause incomplete combustion

Design of exhaust gas boiler:

  • Incorporates low velocity flue gas for higher efficiency however raising the challenges of higher soot deposit


  • The reduction in exhaust gas temperature from modern engines and slow steaming practises also increase the tendency for deposit formation or cold corrosion in the exhaust gas boiler



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