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Infineum: Proving marine additive performance

Infineum has invested in the development of robust new testing methods to satisfy end users by providing significant data in order to comply with the rigors encouraged by CII.

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Infineum fuels technologist Amy Challinor and Global Market Manager Rob Ashton on Tuesday (7 December) released an article explaining how in recent tests of the latest combustion improver technology from Infineum has outperformed conventional ferrocene-based additive technology across the board in high and low sulphur marine fuels.

To facilitate the drive towards greenhouse gas emissions reduction and improved air quality, the International Maritime Organization (IMO) has targeted a 40% reduction in carbon intensity for the shipping fleet by 2030, with further improvement to 50% by 2050 relative to 2008 levels. With so much action required in such a relatively short timescale, the IMO has developed a timeline and introduced a number of measures to quantify performance improvements to help drive the necessary change.

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Definitions:

  • Energy Efficiency Design Index (EEDI) is an energy efficiency calculation for each individual ship, expressed in grams of carbon dioxide (CO2) per ship’s capacity-mile. A lower EEDI points towards a more energy efficient ship design. A continuous improvement energy efficiency drive is incorporated into the program to encourage the adoption of the latest energy saving technologies.
  • Ship Energy Efficiency Management Plan (SEEMP) introduced for all ships is a measure aimed at improving operational energy efficiency through enhanced vessel operation, be that by route planning or hardware upgrades/maintenance.
  • Efficiency Existing Ship Index (EEXI) is similar in scope to EEDI but targets all existing vessels over 400 gross tonnage and references the CO2 emissions per cargo ton and mile in relation to the engine output, load and speed.
  • Carbon Intensity Indicator (CII), for ships of 5,000 gross tonnage and above, measures the actual fuel consumption and distance travelled for each ship.

Action is required now

To meet these targets ship operators must look for new ways to improve fuel economy and cut emissions, while also reducing running costs and down time. Improving combustion efficiency to ensure more energy is transferred into forward propulsion is one factor for ship operators to consider.

However, some conventional fuel-borne combustion improvers have had a somewhat tarnished reputation owing to exaggerated claims of fuel economy and emissions reduction benefits.

The fuel standard for marine distillate fuels (ISO 8217) currently addresses fuel combustion quality through the Calculated Carbon Aromaticity Index (CCAI), which, as the name suggests, is a calculation using the density and the kinematic viscosity of the fuel. It is recognised, with the introduction of very low sulphur fuel oils, that CCAI may not give an accurate reflection of a fuel’s combustion quality due to increased utilisation of cracked cutter stock into the fuel blending pool.

Infineum has invested in the development of robust new testing methodologies to satisfy end users by providing significant data and in order to comply with the rigors encouraged by the CII.

The evaluation of the new combustion improver additive technology has been carried out using this new testing regime. This has enabled us to accurately determine the potential for statistically significant fuel economy and emissions reduction benefits and to demonstrate whether the additive can make a positive contribution towards CII.

Testing programme

The engine test program (using a four-stroke, six cylinder, 1202 kW stationary engine) was conducted at critical marine engine operating points to explore and understand the impact of current combustion improver technology (based on ferrocene), as well as to assess a new Infineum additive formulation.

Owing to the variety of fuels available in the market, it was important to explore the performance of these additive technologies across the heavy fuel oil spectrum. To this end, data were generated in:

  • Traditional high sulphur fuel oil (HSFO), which is used in ships fitted with exhaust gas abatement technology (e.g. scrubbers). A high CCAI RMG380 fuel was used in this study.
  • Very low sulphur fuel oil (VLSFO), which is the most commonly used marine heavy fuel oil.

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The engine test sequence using HSFO with the new Infineum additive revealed improvements across all parameters relative to the base fuel. Minor improvements (coupled with some debits) were observed with the conventional ferrocene-based combustion improver additive.

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Similarly, the engine test sequence using VLSFO with the new Infineum additive yielded robust results and once again performed significantly better than the ferrocene-based combustion improver. Unfortunately, it was not possible to establish a statistical baseline for nitrogen monoxide (NO) and total hydrocarbons emissions during these sequences.

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The engine testing programme demonstrated that the Infineum combustion improver additive was able to deliver significantly better fuel economy and emissions benefits relative to a ferrocene-based combustion improver in both HSFO and VLSFO fuels. The reduction in filter smoke number achieved not only results in less visible smoke but also facilitates cleaner post combustion hardware (e.g. turbocharger blades).

Further testing of the new additive demonstrated its ability to upgrade lower quality fuels whilst maintaining trouble-free operation across the marine fuel oil spectrum (HSFO and VLSFO), which will give tangible, cost effective sustainability benefits to ship operators.

In addition to the combustion performance, the additive is able to confer fuel stability benefits. The additive can also significantly reduce fuel waste (in the form of sludge output from the purifier), resulting in further fuel economy credits coupled with reduced waste reprocessing costs.

Conclusion

As the IMO targets to reduce emissions from ships edge ever closer, ship operators must work harder and faster to find new ways to burn less fuel. Proven combustion improver technology not only delivers ~1% improved fuel economy performance and can make a positive contribution to CII, but also comes with a number of additional benefits:

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There is no doubt that improving the fuel economy performance of ship operations is becoming increasingly important. By improving combustion efficiency more energy is transferred into forward propulsion, less fuel is wasted and hardware stays cleaner for longer, which translates into reduced emissions, lower running costs and less downtime.

Note: Download this article

 

Source: Infineum International Limited
Photo credit: Cameron Venti from Unsplash
Published: 10 December, 2021

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Wind-assisted

Singapore: EPS orders its first wind-assisted propulsion system for tanker

Firm signed a contract for its first ever wind-assisted propulsion system, partnering with bound4blue to install three 22-metre eSAILs® onboard “Pacific Sentinel”.

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Singapore: EPS orders its first wind-assisted propulsion system for tanker

Singapore-based Eastern Pacific Shipping (EPS) on Thursday (22 February) said it signed a contract for its first ever wind-assisted propulsion system, partnering with bound4blue to install three 22-metre eSAILs® onboard the Pacific Sentinel

The turnkey ‘suction sail’ technology, which drags air across an aerodynamic surface to generate exceptional propulsive efficiency, will be fitted later this year, helping the 183-metre, 50,000 DWT oil and chemical tanker reduce overall energy consumption by approximately 10%, depending on vessel routing.

Suitable for both newbuilds and retrofit projects, the system delivers energy efficiency and cost savings for a broad range of vessels, regardless of their size and age.

Singapore: EPS orders its first wind-assisted propulsion system for tanker

José Miguel Bermudez, CEO and co-founder at bound4blue, said: “Signing an agreement with an industry player of the scale and reputation of EPS not only highlights the growing recognition of wind-assisted propulsion as a vital solution for maximising both environmental and commercial benefits, but also underscores the confidence industry leaders have in our proven technology.”

“It’s exciting to secure our first contract in Singapore, particularly with EPS, a company known for both its business success and its environmental commitment.”

“We see the company as a role model for shipping in that respect. As such this is a milestone development, one that we hope will pave the way for future installations across EPS’ fleet, further solidifying our presence in the region.”

Cyril Ducau, Chief Executive Officer at EPS, said: “EPS is committed to exploring and implementing innovative solutions that improve energy efficiency and reduce emissions across our fleet.” 

“Over the past six years, our investments in projects including dual fuel vessels, carbon capture, biofuels, voyage optimisation technology and more have allowed us to reduce our emissions intensity by 30% and achieve an Annual Efficiency Ratio (AER) of 3.6 CO2g/dwt-mile in 2023, outperforming our emission intensity targets ahead of schedule. The addition of the bound4blue groundbreaking wind assisted propulsion will enhance our efforts on this path to decarbonise.”

“With this project, we are confident that the emission reductions gained through eSAILs® on Pacific Sentinel will help us better evaluate the GHG reduction potential of wind assisted propulsion on our fleet in the long run.”

Pacific Sentinel will achieve a ‘wind assisted’ notation from class society ABS once the eSAILs® are installed. 

 

Photo credit: Eastern Pacific Shipping
Published: 23 February, 2024

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LNG Bunkering

Galveston LNG Bunker Port joins SEA-LNG coalition

SEA-LNG said move will further enhance its LNG supply infrastructure expertise and global reach, while giving GLBP access to the latest LNG pathway research and networking opportunities.

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Galveston LNG Bunker Port joins SEA-LNG coalition

Galveston LNG Bunker Port (GLBP), a joint-venture between Seapath Group, one of the maritime subsidiaries of the Libra Group, and Pilot LNG, LLC (Pilot), a Houston-based clean energy solutions company, has joined SEA-LNG, according to the latter on Wednesday (21 February). 

SEA-LNG said the move will further enhance its LNG supply infrastructure expertise and global reach, while giving GLBP access to the latest LNG pathway research and networking opportunities.

GLBP was announced in September 2023 and will develop, construct and operate the US Gulf Coast’s first dedicated facility supporting the fuelling of LNG-powered vessels, expected to be operational late-2026.

The shore-based LNG liquefaction facility will be located on Shoal Point in Texas City, part of the greater Houston-Galveston port complex, one of the busiest ports in the USA. This is a strategic location for cruise ship LNG bunkering in US waters, as well as for international ship-to-ship bunkering and cool-down services. GLBP will offer cost-effective turn-key LNG supply solutions to meet growing demand for the cleaner fuel in the USA and Gulf of Mexico.

Jonathan Cook, Pilot CEO, said: “With an initial investment of approximately $180 million, our LNG bunkering facility will supply a vital global and U.S. trade corridor with cleaner marine fuel. We recognise that SEA-LNG is a leading partner and a key piece of the LNG bunkering sector, and will give us access to insights and expertise across the entire LNG supply chain.

“LNG supports environmental goals and human health by offering ship operators immediate reductions in CO2 emissions and virtually eliminating harmful local emissions of sulphur oxides (SOx), nitrogen oxides (NOx) and particulate matter.”

President of Seapath, Joshua Lubarsky, said: “We are very pleased to be supporting the decarbonization of the maritime industry through strategic, and much needed, investments into the supply of alternative fuels.  We are also happy to be a part of SEA-LNG which has done a wonderful job in advocating for advancements in technology in this vital sector.”

Chairman of SEA-LNG Peter Keller, said: “We’re proud to welcome another leading LNG supplier to the coalition and are looking forward to a mutually beneficial relationship. With every investment in supply infrastructure in the US and worldwide, the LNG pathway’s head start increases. Global availability, alongside bio-LNG and e-LNG development, makes LNG the practical and realistic route to maritime decarbonisation.

“All alternative fuels exist on a pathway from grey, fossil-based fuels to green, bio or renewable fuels. Green fuels represent a scarce resource and many have scalability issues, so we must start our net-zero journey today with grey fuels. LNG is the only grey fuel that reduces greenhouse gas emissions, well-to-wake, so you need less green fuel than alternatives to improve emissions performance.”

 

Photo credit: SEA-LNG
Published: 23 February, 2024

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Biofuel

VARO and Orim Energy to supply bio bunker fuels in ARA region

VARO will source, produce and blend various waste and advanced bio feedstocks to high quality bunker fuel specs; Orim will source fuel and gas oils for blending and deliver final biofuel blends to vessels.

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VARO and Orim Energy to supply bio bunker fuels in ARA region

VARO Energy (VARO) on Wednesday (21 February) said it is partnering with Orim Energy (Orim) to provide shipping customers in the Port of Rotterdam – and wider Amsterdam-Rotterdam-Antwerp (ARA) region - with biofuels. 

The agreement supports the decarbonisation of maritime transportation and inland shipping in Northern Europe. It also contributes to the wider targets set by the International Maritime Organization (IMO) to reduce the total annual GHG emissions from shipping by at least 20% by 2030 and at least 70% by 2050, compared with 2008 levels.

Current demand for Fuel Oil in ARA , Europe’s largest bunkering hub, is approximately 14 million tonnes per year. Supported by new EU regulations, the market for B30, a blend of 70% Fuel Oil and 30% biofuels, is expected to grow rapidly to the end of the decade. As a result of this joint initiative, VARO and Orim will be well positioned to meet this increased demand and support the decarbonisation plans of their shipping customers.

VARO’s biofuels trading capabilities and growing biofuel manufacturing asset base will complement Orim’s extensive distribution, storage and bunkering capabilities in ARA. Under the agreement, VARO will source, produce and blend various waste and advanced bio feedstocks to high quality bunker specifications. Orim will source the fuel and gas oils for blending and deliver the final biofuel blends to customers’ vessels.

VARO has a long track record of providing biofuels for maritime logistics. Since 2018, the company has supplied the Port of Rotterdam with HVO100 (100% Hydrotreated Vegetable Oil “HVO”) for use with the Port’s service fleet. In 2023 VARO signed an agreement with Höegh Autoliners to supply the company with 100% advanced biofuels for its shipping fleet.

The partnership is aligned with VARO’s strategy to become the partner of choice for customers in the energy transition by providing them with the low-carbon energy solutions they need to decarbonise.

Dev Sanyal, CEO of VARO, said: “Meeting rising demand for blended biofuels is critical to achieving the EU and IMO’s decarbonisation targets for shipping. Our experience in biofuels, combined with Orim’s logistics and bunkering operations, will help meet this demand at Rotterdam, Europe’s largest port facility. I am delighted to be entering into a strategic partnership with Orim and to further build on VARO’s long-established presence in Rotterdam. This is another step in our journey to enable the decarbonisation of the maritime sector.

Edwin Coppens, Managing Director of Orim, said: “Upcoming EU and IMO regulations drive the need to scale up with biofuels and ensure quality assurance going forward. Partnering with VARO allows us to do just that, using each other’s strengths to optimize our blending expertise and network. We will benefit from VARO’s extensive experience with biofuels, which includes joint testing with leading ship engine suppliers. Together, we can increase our sourcing and supply capabilities, extending our reach and further strengthening our position in the ARA region.”

 

Photo credit: VARO Energy
Published: 23 February, 2024

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