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Marine Fuel Additives

Cutting edge marine fuel additives

A S Harrison & Co supply a comprehensive range of Marine Fuel Oil and Marine Gas Oil additives.

Marine fuel oil additives are designed to combat rising issues with deposits and stability which has been seen with increasing processing and asphaltene crude oils. The use of these additive can significantly reduce sedimentation, deposits and improve fuel efficiency.

Marine gas oil additives are have evolved significantly with increasing sulphur restrictions which have caused issues with stability, cold flow and lubricity.

Heavy Fuel Oil (HFO) additives

Stabilise marine fuel oil preventing the sludge and deposits, reducing fuel waste and improving fuel economy.
• Heavy fuel oil/Marine Fuel Oil Dispersant & Stabiliser – Octamar™ BT-25

Optimises the combustion of marine fuel oils, reducing deposits, lowering emissions and improving fuel economy.
• Ferrocene Combustion Improver – Octamar™ F 35C
• Nonmetallic Combustion Improver – Octamar™

Combination of dispersant & stabiliser with combustion improver, providing the highest level of stability and fuel efficiency.
• Dispersant, stabiliser and combustion improver – Octamar™ Complete

Eliminate and prevents microbial contamination of fuel fuel contamination, minimising sludge & corrosion.
• Fast response for oil and water phases – Kathon FP 1.5

Low Sulphur Fuel Oil (LSFO) additives

Stabilise low sulphur marine fuel oil preventing the sludge and deposits, reducing fuel waste and improving fuel economy.
• Heavy fuel oil/Marine Fuel Oil Dispersant & Stabiliser – Octamar™ HF-10

Combination of dispersant & stabiliser with combustion improver, providing the highest level of stability and fuel efficiency for low sulphur fuel oil.
• Dispersant, stabiliser and combustion improver – Octamar™ Ultra HF

Marine Gas Oil (MGO) / Marine Diesel Oil (MDO) additives

Improves the lubricity of Low Sulphur Marine Gas Oil minimising ware on fuel systems.
• Marine gas oil lubricity improver – Octamar™ LI 5

Improves low temperature properties of fuel, depressing cloud point, cold filter plugging point and pour point of middle distillates.
• Cold Flow Improver – Octamar™ Winterflow

Combined antifoulant and combustion improver, providing the highest level of fuel efficiency and engine performance.
• Multifunctional combustion improver and antifoulant – Octamar™ Premium
• Combination of lubricity improver and stabiliser – Octamar™ LI-5

Increase the conductivity of low conductivity fuels and solvents, minimise the potential for hazardous charge accumulation
• Marine Gas Oil Additive – Stadis® 450 or 425

Neutralises corrosive species in fuel and provides a protective coating to pipelines, tanks and pumps.
• Marine gas oil corrosion inhibitor – DCI-11

Eliminate and prevents microbial contamination of fuel fuel contamination, minimising sludge & corrosion.
• Fast response for oil and water phases – Kathon FP 1.5
• Fast response for oil and water phases – Kathon FP 1.5

A S Harrison & Co Marine Additives

IMO 2020 (case study Octamar BT-25)

Partnered with Innospec – the global leader in marine fuel additives, A S Harrison & Co brings you a suite of cutting-edge marine additive technology to help your business transition to IMO 2020 low sulphur fuels by 1 January 2020.

What is IMO 2020?

The International Maritime Organisation (IMO) regulation, known as IMO 2020, mandates the reduction of the sulphur content of maritime fuels to 0.5% from the current limit of 3.5%. Shipowners and operators have to comply by using the new fuels or installing exhaust scrubbing technology. Compliant fuels will be an issue for the industry in terms of cost, availability and performance. This by far is the largest change in regulation relating to marine fuels impacting 75% of the fuel used by the shipping industry.

As the world’s only major fuel additive manufacturer focused solely on fuel additives, Innospec has been working on innovative new solutions for more than a decade and has developed unique fuel additives to eliminate issues arising from IMO 2020 regulation.

Tank cleaning and fuel stability

Leading up to 1 January 2020 it would not be practical for the majority of the global fleet that has been running on High Sulphur Fuel Oil (HSFO) to undergo dry dock manual cleaning within a very short period. An alternative to manual cleaning of tanks is to gradually clean the sediments and asphaltene sludge from HSFO tanks and fuel systems by dosing additives. 

We can help you to solve this problem by offering Innospec’s Octamar™ BT-25 which contains asphaltene dispersant stabiliser. 

By using Octamar™ BT-25 you can,

  • Reduce waste from fuel
  • Achieve cleaner combustion
  • Reduce the risk of engine failure
  • Clean up tanks and fuel system

Tank cleaning

Tank cleaning is completed by adding Octamar™ BT-25 directly to HSFO. 

  • Disperse all the asphaltene sludge that may have accumulated over the years, stabilising it and helping the fuel to burn without clogging filters
  • Designed to leave the tanks, especially the sidewalls, corners and tight compartments relatively cleaner
  • Clean the tank faster compared to manual cleaning and reduce the quantity of sludge/sediments for shore disposal

Fuel stability

Stability of new low sulphur fuel oil (LSFO) is going to be a key concern. Octamar™ BT-25 can be used continuously to:

  • Maintain fuel stability during blending, handling and storage
  • Disperse existing sludge formation and prevent further agglomeration
  • Decrease fuel waste and sludging in fuel separators