cat fines in marine fuel
Accuracy: +/- 5 ppm (Al) Test Time: 1 minute. We recommend a comprehensive fuel system check is regularly carried out on-board ships to ensure that the build-up of Catalytic fines (‘cat fines’) does not occur. If fuel containing cat fins is bunkered, they must be removed before reaches the engine. When marine residual fuel contains cat fines and is ineffec- Fuel System Check. Nov 16, 2023 · Much of the heavy fuel oil (HFO), burnt in the cylinders of large 2-stroke marine diesel engines, is contaminated with hard particles known as catalytic (cat) fines. Before delivery of bunker fuel ISO Standard 8217:2012 introduced a maximum permissible 60 ppm level of cat fines, expressed as Aluminium + Silicon, for marine residual fuels, a reduction from the 80 ppm levels in ISO 8217:2005. The Parker Kittiwake Cat Fines Test has been designed to flag up HFO samples that may be contaminated with dangerous levels of cat fines before the fuel has even been pumped aboard. Circum-stances may arise where using marine fuel with Aluminium and Silicon, referred to as cat fines, con-tent above this level is unavoidable. 3. Marine fuels quality can vary within limits and professional fuel management is essential to avoid Cat fines are hard and abrasive.In some circumstances, using marine fuel with aluminium and silicon content — referred to as catalytic (cat) fines — above acceptable levels may be unavoidable. Vecom Marine Solution: This paper reports -in part- on a study of marine fuel oil. (Adobe PDF File) By 2020 crude oil refiners will have to ensure a low of 0. fuel cleaning, the abrasive nature of the fines will cause damage to the engine, fuel pumps, injectors, piston rings and liners. Catalyst (‘cat’) fines are spent abrasive catalysts in heavy cycle oil. Only recently, with the increased use of Low Sulphur Fuel Oils has the catastrophic damage from Cat Fines increased , wear from cat fines is not an on/off process, but is rather proportional to the cat fuel fines content entering the engine. Learn more. Cat fines are often used to decrease the amount of sulphur in fuels but can pose a threat to machinery in the process if filtration is poor, which results in cat fines entering the fuel and causing abrasion and wear to Cat Fines have been damaging marine diesel engines for more than 50 years. Some very large molecules called asphaltenes are held in suspension by maltenes. A mobile, low-field nuclear magnetic resonance (NMR) sensor for onboard, inline detection of catalytic fines in fuel oil in the shipping industry is presented as an alternative to onshore laboratory measurements. The Cat Fines Test has been designed to flag up HFO samples that may be contaminated with dangerous levels of cat fines before the fuel has even been pumped aboard. Among factor discussed are: size and level of catalyst fine in fuels; level and size of catalyst fine removed in a centrifuge; and means of increasing efficiency of shipboard centrifuges. the crude oil refining fuel quality issues and supports Chevron Marine Products with international fuel projects and at industry seminars. Fuel treatment heaters should be opened and cleaned regularly to ensure that the optimal temperature of 98ºC for purification is reached. However, the majority of cat-fines smaller than 5 micron will not be efficiently removed due to their relatively high surface area to weight ratio. Circum-stances may arise where using marine fuel with Aluminium and Silicon, referred to as cat fines, con-tent above this level is unavoidable. From the settling tank, fuel is then passed through a separator. 3: Recommended maximum content of cat fines in fuel Catalyst Fins (cat fines) Catalyst fins (cat fines) are often found in heavy fuel oils. Feb 28, 2017 · 1 Motivation. Designed for easy and convenient use, as well as endurance in time, Test Kit Cat Fines Check can fast and accurately inform of the cat fines level and save the ship from severe engine damages. It’s surely the fact that Alfa Laval marine separators remove cat fines from 150 million tonnes of fuel each year. Range: 15-200 ppm. Up to 8 simultaneous measurements possible. Applicable for all types of heavy fuel oil.2% of HSFO off-specs in 2023, this was almost double the 2022 level of 2. Again, like VLSFOs it highlights the importance of Fuel System Checks (FSC) to protect the engine from potential damage from this corrosive contaminant, by improving purifier efficiency. Catalyst (‘cat’) fines are spent abrasive catalysts in heavy cycle oil. They are a common cause of high piston ring and cylinder liner wear in low speed engines. Again, like VLSFOs it highlights the importance of Fuel System Checks (FSC) to protect the engine from potential damage from this corrosive contaminant, by improving purifier efficiency. Also, low-sulphur fuels can have higher cat fine levels. Small quantities of some larger cat fines will settle under gravity in the tanks, but not enough to protect the engine – and rough seas can send contaminants back up through the The issue of how to deal with cat fines is becoming ever more urgent as the 2020 global sulphur cap approaches. Cat fines are tiny, harder-than-steel particles contained in heavy fuels, lodging onto the running surfaces of cylinder liner and piston rings and permanently squeezed into the soft graphite lamellas. JH2013006_Cat Fines Guidance. The Parker Kittiwake Cat Fines Test has been designed to flag up HFO samples that may be contaminated with dangerous levels of cat fines before the fuel has even been pumped aboard. Statistics reveal that 40% of today’s 500 cSt fuel has a cat fine level of 40 ppm, and that 50% of all operators cannot remove enough cat fines to reach engine manufacturer specifications. fJHC Report - Marine Engine Damage due to Catalytic Fines in Fuel (Technical Analysis) cat fines per square cm (CF/cm²) found Around this time fuel related engine. Marine fuels quality can vary within limits and professional fuel management is essential to avoid overdue fuels costs or serious breakdowns. If properly sized and operated, a separator has the capability to remove nearly all of the cat-fines larger than 5 to 10 micron.࢝ Water contamination – Some fuels types attract water more than others, which can reduce fuel We would like to show you a description here but the site won’t allow us. TEST KIT CAT FINES CHECK is provided in a sturdy briefcase of 46 x 33 x 20 cm. Using a pre-mixed chemical bottle test, the Parker Kittiwake cat fines test kit identifies the existence of cat fines in a representative sample of fuel oil JULY 14, 2016 — Cat fines test kit supplier Parker Kittiwake warns that a draft marine fuel standard now under review (ISO 8217 2016) , could have a significant impact on vessel operators. Resultant cat fine content will be based on Cat fines are particularly damaging to cylinder liners, because their surfaces are not polished or smooth. Preventing accumulations of cat fines is essential to ensure that the engine of the vessel does not become clogged with these particles, as they can cause Whilst cat-fines accounted for 4. They are a common cause of high piston ring and cylinder liner wear in low speed engines. It identified zero instances of cat fines and low flash point issues at the process, a considerable amount of catalytic fines - also known as cat fines - remain in the fuels, with even the latest ISO 8217 marine fuel standard specifying levels of up to 60ppm concentration. Easy and quick test method. Tweet Follow @shipandbunker. The T. However, a filter is needed as a last protective barrier before the engine.. The problem is not a new one, and it is not going away. Marine fuel quality can vary within limits. When this happens purifiers can become overwhelmed, letting cat fines through to the service tank and into the engine injection system. imbedded in the cylinder liner surface are damages were beginning to be reported, harmless and quite normal. Figure 3 - A severe cat fines attack on a K98ME documented by means of Kittiwake LinerSCAN equipment measuring the content of iron wear particles. Cat fines are hard and abrasive Alfa Laval fuel oil filters. Cat fines in the fuel as bunkered are specified with be-tween 0-80 ppm Al + Si in ISO 8217-2005 and 0-60 ppm in newer versions of ISO 8217. This simple, wet chemistry, on-board test identifies the presence of abrasive silicon and aluminium fines in HFO. If fuel containing cat fins is bunkered, they must be removed before reaches the engine. Tests have shown that the lower the cat fines content, the lower the wear in the com-bustion chamber. components can be the consequence if cat-fines enter the engine. Fuels cost is the single biggest operating cost of a ship. Tests have shown that the lower the cat fines content, the lower the wear in the com-bustion chamber. Typical particle size distribution by percent count. Fuel storage, settling and service tanks Feb 26, 2014 · Clean settling and service tanks during dry docking in order to deal with any long term build-up of cat fines and sediment in the bottom of the fuel oil storage tanks. No. Or is it the energy savings and environmental compliance they secure? For a century, Alfa Laval has defined and pushed the boundaries for what a marine separator can achieve. Cat fine content can be reduced by blending in fuel oil with a lower cat fine content. When new sulphur regulations take effect in 2020, the situation may grow even worse, as low-sulphur fuels often contain more cat fines – not less. The solution matches the separator feed to your engine’s fuel consumption, which eliminates excess pumping and provides more time in the separator bowl. rough weather, the fuel entering the purifiers contains cat fines in a concentration exceeding that which the purifiers are able to handle. Easy to use even for untrained personnel. If properly sized and operated, a separator has the capability to remove nearly all of the cat-fines larger than 5 to 10 micron. Engine manufacturers generally recommend a maximum of 15 ppm level of cat fines in the fuel entering the engines. Size Matters. Heavy marine fuels are complex mixtures of hydrocarbons.S. Equipment maintenance. Compatibility. Eleven vessels using this fuel have now reported loss of power and subsequent loss of propulsion while at sea. Cat fines are small, very hard particles of aluminium-silica based material that can be found in residual fuels. of Tests: 30. (Adobe PDF File) Mar 8, 2019 · By 2020 crude oil refiners will have to ensure a low of 0. When new sulphur regulations take effect in 2020, the situation may grow even worse, as low-sulphur fuels often contain more cat fines – not less. Before delivery of bunker fuel Jul 6, 2018 · ISO Standard 8217:2012 introduced a maximum permissible 60 ppm level of cat fines, expressed as Aluminium + Silicon, for marine residual fuels, a reduction from the 80 ppm levels in ISO 8217:2005. Cat fines are very small particles that are a consequence of refining process known as catalytic cracking.CMT, formerly known as Kittiwake, is specialised in On-Line and On-Site solutions for condition monitoring.50% mass limit sulphur content comprises their marine fuel oils.50% mass limit sulphur content comprises their marine fuel oils.3% of HSFOs had a cat-fine level of >40ppm in We examine how cat fines that have settled as sediment at the bottom of fuel tanks can be stirred up by rough seas or by the bunkering process itself, particularly when the bunkering rate is high. Separators may be configured individually or International Union of Marine Insurance Refinery catalytic fines in marine fuel oil are not a new problem but in recent years there appears to have been an increase in the frequency of engine damage caused by these highly abrasive particles, UK P&I Club advised in an article written by Brookes Bell. Nov 27, 2023 · Statistics reveal that 40% of today’s 500 cSt fuel has a cat fine level of 40 ppm, and that 50% of all operators cannot remove enough cat fines to reach engine manufacturer specifications.2% of HSFO off-specs in 2023, this was almost double the 2022 level of 2. the crude oil refining May 18, 2018 · Cases of off-specification bunker fuel at Singapore port concerning excess aluminium and silicon content (cat fines) and low flash point seem to have been resolved, suggests recent Lloyd’s Register Fuel Oil Bunkering Analysis and Advisory Service (FOBAS) data. The Marine Corps Has Turned an Offshore Vessel Into a Landing Ship. Cat fines are particularly damaging to cylinder liners, because their surfaces are not polished or smooth. Highly abrasive particles known as catalytic fines (“cat fines”) find their way into heavy fuel oils (HFO) at the oil refinery and can cause rapid wear to the cylinder liners of large marine two-stroke engines during the combustion process. Fuel treatment heaters should be opened and cleaned regularly to ensure that the optimal temperature of 98ºC for purification is reached. Included below is a summary of recommendations on what the vessel should do to reduce the risk of damage to engines due to catalytic fines in marine bunker fuel [1] (Joint Hull Committee JH2013/006). These particles, which find their way into the fuel at the oil refinery, can cause catastrophic abrasive damage to engine cylinder liners during the combustion process. This problem has been inadvertently exacerbated by recent Speakers at the meeting of the International Union of Marine Insurance in London last week, warned that as use of low-sulfur fuel in ships increases, the likelihood of chronic engine failure could rise due to catalytic fines, or “cat fines,” microscopic particulates that remain in marine fuel oil as a result of. Marine fuels quality can vary within limits and professional fuel management is essential to avoid overdue fuels costs or serious breakdowns. However, the majority of cat-fines smaller than 5 micron will not be efficiently removed due to their relatively high surface area to weight ratio. Drained oil from engine fuel oil backwash filter (50 micron candle type) should not be reintroduced in fuel treatment system when using high cat fine or high ash content fuel oil. High-speed separators do the primary job of removing cat fines from fuel. the fuel. They have been found to JH2013/006 Cat Fines - Guidance Notes. 20. These cat fines must be reduced to appropriate levels to enable reliable consumption of the fuel by diesel engines and other machinery. Preventing accumulations of cat fines is essential to ensure that the engine of the vessel does not become clogged with these particles, as they can cause Jan 29, 2024 · Whilst cat-fines accounted for 4. Cat fines are often used to decrease the amount of sulphur in fuels but can pose a threat to machinery in the process if filtration is poor, which results in cat fines entering the fuel and causing abrasion and wear to Jul 25, 2014 · Cat Fines have been damaging marine diesel engines for more than 50 years. 20. The ISO specification 8217:2010 for Marine Fuel Oil stipulates 60 ppm for Aluminium and Silicon combined as a maximum level taking into account the reproducibility of the test method. Heavy cycle oil, which is produced by the fluidized catalytic cracking (FCC) refinery processing unit, is typically the low viscosity cutter stock that is used for blending into marine residual fuel. Experimental results demonstrate that the new test is capable of Catalytic fines (cat fines) are similar to sediment in that the fuel may meet the conditions laid out by the ISO specification, yet may still contain some cat fines. The ISO specification 8217:2010 for Marine Fuel Oil stipulates 60 ppm for Aluminium and Silicon combined as a maximum level taking into account the reproducibility of the test method. Or is it the energy savings and environmental compliance they secure? For a century, Alfa Laval has defined and pushed the boundaries for what a marine separator can achieve. Small quantities of some larger cat fines will settle under gravity in the tanks, but not enough to protect the engine – and rough seas can send contaminants back up through the Fuels cost is the single biggest operating cost of a ship. Range: 15-200 ppm. Much of the heavy fuel oil (HFO), burnt in the cylinders of large 2-stroke marine diesel engines, is contaminated with hard particles known as catalytic (cat) fines. This problem has been inadvertently exacerbated by recent Speakers at the meeting of the International Union of Marine Insurance in London last week, warned that as use of low-sulfur fuel in ships increases, the likelihood of chronic engine failure could rise due to catalytic fines, or “cat fines,” microscopic particulates that remain in marine fuel oil as a result of. AI + Si Sample position >15 ppm 10 ppm <5 ppm Fig.3% of HSFOs had a cat-fine level of >40ppm in Jun 18, 2020 · We would like to show you a description here but the site won’t allow us. Nov 2, 2018 · 2018-11-02 alfal laval, cat fines, eca, engine protection, fuel cleaning, heavy fuel oils, marine industry Fuels cost is the single biggest operating cost of a ship. It appears that the majority of the fuel samples received andanalysed by DNV Petroleum Services in 2013 were tested against the older ISO 8217:2005 marine fuel specification instead of the latest ISO Glass Vial Consumables Pack (100) OTK-CT-11222. Efficient operation of ship and power station diesel engines requires optimum fuel supply. Ever since catalytic cracking processes were developed during the oil crisis to squeeze more product from crude stock, cat fines have been a problem in marine engines. These particles, which find their way into the fuel at the oil refinery, can cause catastrophic abrasive damage to engine cylinder liners during the combustion process. Up to 10% of the fuel is utilised to a lesser efficiency capacity, due to the lower calorific value and in many cases reduced combustion Cases of off-specification bunker fuel at Singapore port concerning excess aluminium and silicon content (cat fines) and low flash point seem to have been resolved, suggests recent Lloyd’s Register Fuel Oil Bunkering Analysis and Advisory Service (FOBAS) data. Defeating cat fines with onboard fuel cleaning. The problem has recently been exacerbated, inadvertently, by regulations targeting It’s surely the fact that Alfa Laval marine separators remove cat fines from 150 million tonnes of fuel each year. Cat Fines Cat fines contamination in fuel oil is caused by carryover of catalytic material used in the refinin process and evidenced by the presence of Alu-mina and Silica. Only recently, with the increased use of Low Sulphur Fuel Oils has the catastrophic damage from Cat Fines increased Jul 5, 2018 · Cat fines are particularly damaging to cylinder liners, because their surfaces are not polished or smooth.2% of HSFO off-specs in 2023, this was almost double the 2022 level of 2.Heavy cycle oil, which is produced by the fluidized catalytic cracking (FCC) refinery processing unit, is typically the low viscosity cutter stock that is used for blending into marine residual fuel. At bunkering, fuel is pumped into a ship’s storage tank, and from there transferred into the settling tanks (enough to support 24-48 hours of operation at a time). Ensure that fuel oil sludge drains are not recycled for diesel engine consumption via the settling tank. 3. AI + Si Sample position >15 ppm 10 ppm <5 ppm Fig. They have been found to JH2013/006 Cat Fines - Guidance Notes. Resultant cat fine content will be based on rough weather, the fuel entering the purifiers contains cat fines in a concentration exceeding that which the purifiers are able to handle. Cat fines may enter the engine combustion space when the fuel is injected, where they can become embedded on the surface of the cast iron cylinder liner, piston grooves and rings. Cat fines in the fuel as bunkered are specified with be-tween 0-80 ppm Al + Si in ISO 8217-2005 and 0-60 ppm in newer versions of ISO 8217. Since 2011, Monique is the Convenor of ISO/TC 28/SC4/WG6, Classification and specification of marine fuels, and was appointed as Convenor of ISO/TC 28/SC4/WG18, Specifications of alternative fuels for marine applications in 2021. Experimental results demonstrate that the new test is capable of Catalytic fines (cat fines) are similar to sediment in that the fuel may meet the conditions laid out by the ISO specification, yet may still contain some cat fines. Watch three well-known experts from the marine industry give their views on mitigating risk. Compatibility of a fuel is a function of the stability of the two individually stable oils used to blend marine fuel oil when they are commingled. Supplemental Notes: Report; Paper presented to Eastern USA Branch, Institute of Marine Engineers At bunkering, fuel is pumped into a ship’s storage tank, and from there transferred into the settling tanks (enough to support 24-48 hours of operation at a time). CMT help prevent unplanned breakdown and maximise eq. Click to find of fuel oil, via salt water contamination, or throug sodium ingress into a marine diesel engine due salt water saturated air. 3: Recommended maximum content of cat fines in fuel Oct 28, 2021 · Catalyst Fins (cat fines) Catalyst fins (cat fines) are often found in heavy fuel oils. Engine manufacturers, however, typically recommend that marine fuel should contain a lower cat fines level of no more than 15 ppm at the engine inlet. Cat fines are very small particles that are a consequence of refining process known as catalytic cracking. For the same reason, it is therefore best practice to utilize all separators, even when the bunker supplied has an apparently low level of catalytic fines. Econ Cat Fines Test Kit. Accuracy: +/- 5 ppm (Al) Test Time: 1 minute. Compatibility improvement is crucial. The test is simple to perform, cost-effective and can be completed Marine fuel specifications are set by the international standard ISO 8217 which limits the cat fine concentration in bunker fuel. On top of that, due to the nature of marine fuel oils and specifically VLSFO, an average of 1-3% of the fuel is completely wasted, accumulating in the bottoms of tanks. Note that before the attack, the iron level was below 100mg/kg. JH2013006_Cat Fines Guidance. These cat fines must be reduced to appropriate levels to enable reliable consumption of the fuel by diesel engines and other machinery. Visually quantifiable. At bunkering, fuel is pumped into a ship’s storage tank, and from there transferred into the settling tanks (enough to support 24-48 hours of operation at a time).VIS® control top is an optimal system for controlling and monitoring GEA valves of the series VARIVENT®, ECOVENT® & T-smart. Small quantities of some larger cat fines will settle under gravity in the tanks, but not enough to protect the engine – and rough seas can send contaminants back up through the Lower sulphur marine fuels have even higher cat fines… Friday, February 23, 2024 will prevent the cat fines from damaging fuel injection pumps, fuel injectors, piston rings, pistons Standard packing. Ensure that fuel oil sludge drains are not recycled for diesel engine consumption via the settling tank. In the last week FOBAS has tested a number of fuel samples bunkered in Singapore which have tested Aluminium and Silicon concentration (Al+Si) at levels above the 95% confidence limit of the respective ordered grades. Before delivery of bunker fuel cat fines present in the fuel. The result is even better removal of cat fines – and less energy used. Hygienic valves from GEA form the core Friday June 2, 2017. The test is simple to perform, cost effective, and can be completed within a few minutes. CMT help prevent unplanned breakdown and maximise eq. Econ Cat Fines Test Kit. Bunker storage tanks The marine fuel specification ISO 8217/2017 includes a maximum level for cat fines of 60 ppm in the fuel when delivered. Fuel storage, settling and service tanks Clean settling and service tanks during dry docking in order to deal with any long term build-up of cat fines and sediment in the bottom of the fuel oil storage tanks. But even at 60 ppm, cat fines pose a major problem for engines, and manufacturers, such as MAN and Wärtsilä, recommend that fuel entering the engines should have cat fine concentrations of 15 ppm or lower. Demonstrative test results. 2018-11-02 alfal laval, cat fines, eca, engine protection, fuel cleaning, heavy fuel oils, marine industry Fuels cost is the single biggest operating cost of a ship. Published Feb 28, 2024 11:01 PM by The Maritime Executive In a series of experiments at Camp Pendleton, the U. The majority of cat fines fall between 5 to 15 µm in size. It identified zero instances of cat fines and low flash point issues at the process, a considerable amount of catalytic fines - also known as cat fines - remain in the fuels, with even the latest ISO 8217 marine fuel standard specifying levels of up to 60ppm concentration.2%. Compatibility. Catalytic fines (cat fines) are similar to sediment in that the fuel may meet the conditions laid out by the ISO specification, yet may still contain some cat fines. Professional fuel management is essential to avoid excessive fuel costs or serious breakdowns. of Tests: 30. Marine Corps is Raising disconcerting memories of a string of incidents in 2018, leading fuel testing services provider VPS has identified a new marine fuel contamination issue in Houston. Results have ranged from 74mg/kg up to 97mg/kg. Marine fuels quality can vary within limits and professional fuel management is essential to avoid Cat fines are hard and abrasive. The test is simple to perform, cost effective, and can be completed within a few minutes. Catalytic fines (called cat fines) are aluminosilicate zeolite catalysts utilized in the oil cracking process at refineries. No. We recommend a comprehensive fuel system check is regularly carried out on-board ships to ensure that the build-up of Catalytic fines (‘cat fines’) does not occur. As explained, refineries use catalysts to improve the yield of high value products Whilst cat-fines accounted for 4. When marine residual fuel contains cat fines and is ineffec- Fuel System Check. Included below is a summary of recommendations on what the vessel should do to reduce the risk of damage to engines due to catalytic fines in marine bunker fuel [1] (Joint Hull Committee JH2013/006). Engine manufacturers generally recommend a maximum of 15 ppm level of cat fines in the fuel entering the engines. ࢝ Cat fines – Removing sulphur from fuel requires catalysts, which leave behind small, hard particles that can damage engines and other equipment if not effectively separated from the fuel. Again, like VLSFOs it highlights the importance of Fuel System Checks (FSC) to protect the engine from potential damage from this corrosive contaminant, by improving purifier efficiency. Measuring time: about 15 min. 2019-09-05 alfa laval, cat fines, eca, engine protection, fuel cleaning, heavy fuel oils, marine industry Fuels cost is the single biggest operating cost of a ship. Separators – also known as purifiers – spin the cat fines, water, and other contaminants out of the fuel, which then flows to a service tank before being conditioned and pumped into the engine. These cat fines must be reduced to appropriate levels to enable reliable consumption of the fuel by diesel engines and other machinery. Cat fine content can be reduced by blending in fuel oil with a lower cat fine content. This key condition is accomplished by the ViscoBoosterUnits for fuel treatment.3% of HSFOs had a cat-fine level of >40ppm in Olivier d’Olne, General Manager at Aderco Marine and Group Technical Director clarifies issues concerning cat fines, following recent alerts by FOBAS reporting about a number of fuel samples bunkered in Singapore (June) and in Fujairah (August) which were tested and found with Aluminium and Silicon concentration (Al+Si) levels above the 95% confidence limit of the respective ordered grades. Some very large molecules called asphaltenes are held in suspension by maltenes.2%. Included below is a summary of recommendations on what the vessel should do to reduce the risk of damage to engines due to catalytic fines in marine bunker fuel [1] (Joint Hull Committee JH2013/006). Cat fins are found by an analysis of the aluminum (Al) and silicon (Si) content Jul 11, 2018 · Cat fines are particularly damaging to cylinder liners, because their surfaces are not polished or smooth. Fuel produced under the current version of the standard is limited to 60 parts per million (ppm). CMT, formerly known as Kittiwake, is specialised in On-Line and On-Site solutions for condition monitoring. Engine makers today recommend filters that remove particles down to 10 microns in size. If correctly operated, the ship’s fuel oil system is effective at removing significant levels of cat fines. Cat fins are found by an analysis of the aluminum (Al) and silicon (Si) content Cat fines are particularly damaging to cylinder liners, because their surfaces are not polished or smooth. components can be the consequence if cat-fines enter the engine. Equipment maintenance.2%. 20. In these circumstances, the following guidance may be of use for removing cat fines using the ship’s fuel oil system. Heavy marine fuels are complex mixtures of hydrocarbons. Marine fuels quality can vary within limits and professional fuel management is essential to avoid overdue fuels costs or serious breakdowns. It appears that the majority of the fuel samples received andanalysed by DNV Petroleum Services in 2013 were tested against the older ISO 8217:2005 marine fuel specification instead of the latest ISO By using Alfa Laval FlowSync and variable frequency drives on your pumps, you can turn the situation to your advantage. Included below is a summary of recommendations on what the vessel should do to reduce the risk of damage to engines due to catalytic fines in marine bunker fuel [1] (Joint Hull Committee JH2013/006). Compatibility of a fuel is a function of the stability of the two individually stable oils used to blend marine fuel oil when they are commingled. The nature of cat fines Physically, cat fines are irregular in shape and, in bunker fuel, vary from sub-micron size up There is, however, a discrepancy between the maximum acceptable levels of cat fines as stated in common marine fuel specifications such as the ISO 8217 and those recommended by engine manufacturers, which are typically 10-15 ppm. VPS detected the presence of Dicyclopentadiene (DCPD) and If correctly operated, the ship’s fuel oil system is effective at removing significant levels of cat fines. Included below is a summary of recommendations on what the vessel should do to reduce the risk of damage to engines due to catalytic fines in marine bunker fuel [1] (Joint Hull Committee JH2013/006). Glass Vial Consumables Pack (100) OTK-CT-11222.