What is IMO 2020 sulphur regulation?

Known as “IMO 2020”, the rule limits the sulphur in the fuel oil used on board ships operating outside designated emission control areas to 0.50% m/m (mass by mass) – a significant reduction from the previous limit of 3.5%. Within specific designated emission control areas the limits were already stricter (0.10%).

What is the sulfur content globally of marine shipping fuel oil?

Sulfur Content and Cetane Index The marine gas oil is also considered as low sulfur fuel oil or LSFO because it has sulphur content between approx. 0.10 and 1.50 m/m %.

What does Annex 6 regulation 14 require regarding sulphur oxides?

Annex VI – Regulation 14 – Sulphur oxides (SOx) (1) The sulphur content of any fuel oil used on board ships shall not exceed 4.5% m/m. 82(43), Guidelines for monitoring the world-wide average sulphur content of residual fuel oils supplied for use on board ships.

What are IMO regulations?

The new regulations, known as IMO 2020, mandates a maximum sulphur content of 0.5% in marine fuels globally. The driver of this change is the need to reduce the air pollution created in the shipping industry by reducing the Sulphur content of the fuels that ships use.

How do you reduce sulphur in fuel oil?

1. Install a scrubber system which will allow vessels to use whatever fuel oil is available.
2. Switch to low sulphur oil, for example Intermediate Fuel Oil (IFO) or Heavy Fuel Oil (HFO) that has been treated to reduce the sulphur content.
3. Switch to a distillate fuel such as Marine Diesel Oil (MDO) or Marine Gas Oil (MGO).

How do you treat marine heavy fuel oil used on board ships?

Purifiers: For removal of water and sludge from the heavy grade oil, fuel oil purifiers are used. Depending upon the owner’s choice, either conventional or modern purifiers (computer driven fuel cleaning systems) can be installed on a ship. The oil flow remains continuous even during the sludge discharge process.

How can you reduce the sulphur content of fuel?

What is the main source of Sulphur oxides onboard ships?

The sulphur oxides emission is due to the presence of sulphur compound in the marine fuels used in marine engines on board vessel. Better the grade, lower will be the sulphur content as it is removed by refining of the fuel.

What are the 4 pillars of IMO?

The 4 Pillars: SOLAS, STCW, MARPOL, AND MLC.

What is the maximum limit of sulphur content in bunker fuel oil?

0.50% m/
Subject: Limiting the maximum Sulphur content of the fuel oils. The International Maritime Organization (IMO) has set a limit of 0.50% m/m (mass by mass) for sulphur in fuel oil used on board ships operating outside designated Emission Control Areas (Regulation 14 of MARPOL Annex VI) with effect from 1st January 2020.

How does low sulfur fuel reduce pollution?

More importantly, sulfur inhibits the use of advanced technology to control total pollutant emissions, including NOx, HC, CO, and particulate matter (PM). Reducing sulfur levels in fuels will decrease the vehicle emissions of smog precursors and other pollutants that foul our air and choke our lungs.

Why do we need to purify a fuel oil and lubricating oil onboard ships?

The separation of impurities and water from fuel oil is essential for good combustion. The removal of contaminating impurities from lubricating oil will reduce engine wear and possible breakdowns. The centrifuging of all but the most pure clean oils is therefore an absolute necessity.

What is the difference between a fuel oil purifier and clarifier?

While the main function of a purifier is to separate the dissolved water, impurities and sludge from the fuel oil, a clarifier removes any solid foreign material that is not removed from the oil after it passes through the purifier.

What percentage of sulphur in the fuel can severely reduce engine life?

U)* ERC concluded that a reduction of diesel fuel sulfur content from 0.27 to 0.05 weight percent would result in a 30 to 40 percent reduction in engine wear and therefore a 30 to 40 percent increase in engine life and oil drain interval.

Can sulfur be removed from fuels?

The current industrial method for removal of sulfur from fuels is hydrodesulfurization (HDS), which is a high temperature, high pressure catalytic process. This makes HDS a very costly option for deep desulfurization.

How SOx is produced on board the ship?

The sulphur oxides emission is due to the presence of sulphur compound in the marine fuels used in marine engines on board vessel. Maritime industry consumes mostly low grade of fuel oil i.e. heavy oil and diesel oil with high sulphur content as compared to any other transportation medium.

What is the most important maritime law?

With one of the industry’s main concerns being the safety of crew and personnel on board vessels, SOLAS – Safety of Life at Sea – is generally regarded as the most important of all international Conventions.

What does Annex 6 Regulation 14 require regarding sulphur oxides?

What is the effect of high sulphur content in fuel?

After combustion, sulfur from diesel fuel creates sulfuric acid that causes caused corrosive wear on the metal surfaces of an engine. Corrosion of a surface within in a dynamic system such as the cylinder wall/liner can lead to corrosive wear; surface corrosion layers are removed through sliding or abrasion.

Does IMO stand for?

in my opinion
IMO is also shorthand for “in my opinion.” What that means is that IMO can simply mean someone is offering their perspective or opinion. However, although IMO is an acronym or abbreviation, it’s also considered a slang word that isn’t widely used in professional writing.

Are there any ships that have low sulphur content?

Yes, new blends of fuel oil for ships have been developed. For example, a gas oil, with a very low sulphur content can be blended with heavy fuel oil to lower its sulphur content. Ships can also choose to switch to a different fuel altogether.

How is the sulphur content of fuel oil regulated?

The IMO MARPOL regulations limit the sulphur content in fuel oil. This means ships must use fuel oil which is inherently low enough in sulphur, or install an appropriate exhaust “alternative” method, in order to meet IMO requirements. Refineries may blend fuel oil with a high (non-compliant) sulphur content with fuel oil with a sulphur content …

Is there a sulfur limit on marine fuel?

The sulfur content of the fuel used in marine vessels operating in these ECAs may not exceed 0.10 weight percent (1000 ppm). Note that a global sulfur cap of 3.50 weight percent applies outside of ECA boundaries. This limit decreases to 0.50 weight percent in 2020.

How does a ship scrubber reduce sulphur oxide?

These scrubbers are designed to remove sulphur oxides from the ship’s engine and boiler exhaust gases. A ship fitted with a scrubber can use heavy fuel oil, since the sulphur oxides emissions will be reduced to a level equivalent to the required fuel oil sulphur limit.