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Alternative Fuels

DNV: Use of ammonia as a bunker fuel among highlights in IMO MSC 109

Amendments to the IGC Code to enable the use of ammonia cargo as fuel were adopted and interim guidelines for the general use of ammonia as fuel were approved during session.

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Classification society DNV on Saturday (7 December) shared a statutory news article that provides a summary of the 109th session of the International Maritime Organization’s (IMO) Maritime Safety Committee (MSC 109) including adopted amendments to the IGC Code to enable the use of ammonia cargo as fuel and approved draft interim guidelines for ammonia as a marine fuel.

The following is an excerpt from the news update relating to bunker fuels:

The 109th session of the IMO’s Maritime Safety Committee (MSC 109) was held from 2 to 6 December 2024. Amendments to the IGC Code to enable the use of ammonia cargo as fuel were adopted, and interim guidelines for the general use of ammonia as fuel were approved. The IGF Code was amended to improve the safety of ships using natural gas as fuel. MSC 109 further approved draft SOLAS amendments to enhance the safety of pilot transfer arrangements and progress was made on the new safety code for Maritime Autonomous Surface Ships.

Meeting highlights

  • Adopted amendments to the IGC Code to enable the use of ammonia cargo as fuel
  • Adopted amendments to the IGF Code for ships using natural gas as fuel
  • Approved draft interim guidelines for ammonia as fuel
  • Approved draft amendments to SOLAS Regulation V/23 and the related performance standards to improve the safety of pilot transfer arrangements
  • Advanced the non-mandatory Code on Maritime Autono- mous Surface Ships (MASS)

Amendments to mandatory instruments 

Ammonia cargo as fuel (IGC Code) MSC 109 adopted amendments to Paragraph 16.9.2 of the International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (IGC Code) to enable the use of ammonia as fuel on ammonia carriers.

An MSC circular to encourage the voluntary early implementation of the amendments to Chapter 16 was approved. 

The amendments will enter into force on 1 July 2026.

Safety of ships using natural gas as fuel (IGF Code)

MSC 109 adopted amendments to the International Code of Safety for Ships Using Gases or Other Low-flashpoint Fuels (IGF Code), based on experience with the code since its entry into force in 2017.

The amendments include:

  • Clarified application provisions
  • Alignment with the IGC Code on suction wells for fuel tanks extending below the lowermost boundary of the tank
  • Alignment with the IGC Code on discharge from pressure relief valves to discharge to tanks under certain conditions
  • Clarified requirements to fire insulation for deck structures in relation to fuel tanks on open deck
  • Clarified requirements for hazardous ducts through non-hazardous spaces and vice versa
  • Updated requirements for the hazardous zone radius for fuel tank vent mast outlets, increasing to 6 metres for zone 1 and 4 metres for zone 2

The amendments will enter into force on 1 January 2028.

Goal-based new ship construction standards

Goal-based standards (GBS) for the new construction of bulk carriers and oil tankers are, conceptually, the IMO’s rules for class rules. Under the GBS, IMO auditors use guidelines to verify the construction rules for bulk carriers and oil tankers of class societies acting as Recognized Organizations (Resolution MSC.454(100)).

Initial GBS verification of Biro Klasifikasi Indonesia (BKI) BKI has requested GBS verification of their ship construction rules for bulk carries and oil tankers. MSC 109 agreed that the BKI rules comply with the GBS, provided non-conformities and observations are rectified and verified in a new audit.

North Atlantic wave data (IACS Recommendation No. 34, Revision 2) MSC 109 noted that IACS is currently undertaking a review of its Common Structural Rules (CSR) for bulk carriers and oil

tankers to reflect advances in data, materials, technologies and calculation methodologies. The CSR are implemented in the individual class rules of the IACS members, which are subject to compliance with the GBS.

MSC 109 further noted that IACS has now issued a revision of the North Atlantic wave data to ensure more scientific data as a basis for the rule formulas in the CSR. The new scatter diagram in Revision 2 of IACS Recommendation No. 34 shows the probability of occurrence of different sea states and is based on wave data from advanced hindcast wave models combined with ships’ AIS data for all SOLAS vessels in the period from 2013 to 2020.

MSC 109 agreed that an observation from the initial CSR audit in 2015, that the scatter diagram in Revision 1 of IACS Recommendation No. 34 was based on past statistics, was now considered addressed.

MSC 109 further invited IACS to provide more information about the assumptions, modelling and technical background for Revision 2 of IACS Recommendation No. 34, and agreed that the GBS audit of the revision to follow should be carried out in conjunction with the consequential rule changes in the CSR.

New technologies and alternative fuels 

Identification of gaps in current IMO instruments MSC 109 continued its consideration of potential alternative fuels and new technologies to support the reduction of GHG emissions from ships from a safety perspective. The intention is to identify safety obstacles, barriers and gaps in the current IMO instruments that may impede the use of the various alter- native fuels and new technologies.

MSC 109 agreed to add “swappable traction lithium-ion battery containers” to the list of alternative fuels and new technologies. The list already includes fuels and technologies such as ammonia, hydrogen, fuel cell power installations, nuclear power, solar power, wind power, lithium-ion batteries and supercapacitor energy storage technology.

Recommendations to address each of the identified barriers and gaps in the IMO regulatory framework will be considered in a Correspondence Group until MSC 110 (June 2025). Application of the IGF Code

MSC 109 agreed on draft amendments to SOLAS to clarify that the IGF Code applies to ships using gaseous fuels, whether they are low-flashpoint or not. The term “gaseous fuels” was added to the definitions in SOLAS Regulation II-1/2 and to the application provisions of SOLAS Regulations II-1/56 and 57.

The draft amendments are expected to enter into force on 1 January 2027, subject to adoption by MSC 110 (June 2025).

Carriage of cargoes and containers

Ammonia as fuel

MSC 109 approved draft interim guidelines for the safety of ships using ammonia as fuel.

Ships carrying liquefied gases in bulk (IGC Code)

MSC approved draft amendments to the IGC Code to incorporate the large number of Unified Interpretations developed since the latest major review of the code, which entered into force in 2016. The primary objective of the draft amendments is to remove ambiguity and promote the consistent implementation of the IGC Code requirements.

 

Photo credit: CHUTTERSNAP on Unsplash
Published: 9 December, 2024

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Bunker Fuel

China: Zhoushan Port achieves 7.26 million mt annual bunker volume for 2024

Zhoushan Hi-Tech Zone Administrative Committee highlighted the progress Zhoushan Port has made in the past year including actively planning to build an alternative fuel bunkering centre.

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China: Zhoushan Port achieves 7.26 million mt annual bunker volume for 2024

Zhoushan Hi-Tech Zone Administrative Committee on Friday (10 January) said Zhoushan, the fourth largest bunkering port of the world, delivered 7.26 million metric tonnes (mt) of marine fuel in 2024.

This marked about a 3% increase from 7.04 million mt in 2023. 

The committee also highlighted the progress Zhoushan Port has made in the past year including actively planning to build an alternative fuel bunkering centre.

It has successfully obtained approval for the national biodiesel promotion and application pilot project. The construction of a project to produce an annual 1 million mt of marine biodiesel has begun.

The first methanol vehicle-to-ship pilot was carried out, and the first methanol bunkering barge in Zhoushan was officially built and is expected to be put into use by the end of 2025.

The port has also improved the fuel supply efficiency of various bunkering anchorages in Zhoushan including Tiaozhumen Anchorage adding three bunkering anchorages on top of the original five and has successfully carried out night bunkering operations. 

Xiushandong and Mazhi anchorages have added a total of three new bonded bunkering anchorages, which can implement all-weather and fully automatic anchorage reservations, and provide advance reservations and priority refueling services for large ships and large orders.

The committee also highlighted Dong Fang Zhao Yang becoming the first domestic bunkering barge to obtain the mass flow meter system certification under the ISO22192:2021 standard. The barge conducted a successful pilot for the bunkering of bonded fuel oil using a mass flow meter at Xiushandong Anchorage on 9 December. 

A spokesperson of the committee said Zhoushan will focus on promoting alternative bunker fuels such as biofuel and LNG and accelerating the completion of methanol refuelling safety assessments.

Related: IPEC 2024: Zhoushan port records 7.04 million mt annual bunker volume for 2023
Related: China: Zhoushan Port launches night bunkering ops in Tiaozhoumen outer anchorage
Related: China: Zhoushan shortlisted for national pilot project to promote biodiesel bunker fuel
Related: China: Zhoushan completes pilot bonded bunkering op with mass flow meter

Photo credit: Zhoushan Hi-Tech Zone Administrative Committee
Published: 14 January, 2025

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Biofuel

UECC wraps up first truck-to-ship bio-LNG bunkering operation in Spain

Liquefied biomethane supplied by green energy developer Naturgy was pumped directly from a tanker truck into the tanks of UECC’s multi-fuel LNG battery hybrid PCTC “Auto Advance”.

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UECC wraps up first truck-to-ship bio-LNG bunkering operation in Spain

United European Car Carriers (UECC) on Monday (13 January) said it has performed the first-ever ship bunkering operation in Spain with a truck-borne shipment of liquefied biomethane (LBM), also known as bio-LNG, to widen access to supplies of the sustainable fuel.

In the milestone event at the Port of Vigo, LBM supplied by green energy developer Naturgy from a biomethane production plant in the surrounding Galicia province was pumped directly from a tanker truck into the tanks of UECC’s multi-fuel LNG battery hybrid Pure Car and Truck Carrier, Auto Advance.

“This is an important step as it is the first time LBM has been delivered by truck to ship in the whole of Spain. We view Spain as a promising market for biomethane production and so it’s great to get this first delivery over the line,” said UECC’s Energy & Sustainability Manager Daniel Gent.

The delivery allows the leading sustainable carrier in the European shortsea RoRo trade to diversify its regional sources of supply for LBM beyond its main hub of Zeebrugge where it has a long-term supply agreement in place with Titan Clean Fuels

“We are trying to promote the growth of the wider small-scale LBM supply network,” Gent explained.

Another aspect of this diversification is that it also represents the first physical molecule delivery of the fuel - instead of mass balanced - as UECC explores multiple alternative delivery pathways to broaden its LBM portfolio.

UECC is boosting uptake of the fuel in line with expansion of its Sail for Change sustainability initiative launched last summer in which LBM is being bunkered on the company’s five dual and multi-fuel LNG PCTCs for several major vehicle manufacturers to cut their Scope 3 emissions.

As well as contributing to its customers’ decarbonisation efforts, UECC is providing fuel demand to support renewable energy development by Naturgy, which is involved in numerous innovative projects to convert agricultural and livestock waste into biomethane, strengthening the regional circular economy.

Naturgy, in a joint venture with Reganosa and Repsol, is looking to produce 1 terawatt hours per year of biomethane from treatment of animal slurry and other waste sources, which would cover 7% of Galicia’s annual gas import requirements and result in a reduction of 500,000 tonnes of CO2 per year.

Gent added: “We hope the LBM truck delivery in Spain will be the first of many.”

Related: JLR joins UECC bio-LNG initiative to decarbonise maritime transport
Related: Titan to supply biomethane bunker fuel to UECC multi-fuel ships with new deal
Related: UECC and Titan team up on bio-LNG bunkering operations in Port of Zeebrugge

 

Photo credit: United European Car Carriers
Published: 14 January, 2025

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Decarbonisation

DNV and Alfa Laval: What can drive the energy transition in shipping?

Rasmus Stute from DNV interviews Sameer Kalra of Alfa Laval on the company’s innovative approach to energy transition, emphasizing fuel-agnostic solutions, and energy efficiency.

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Rasmus Stute from DNV interviews Sameer Kalra, President of the Marine Division and Executive Vice President at Alfa Laval, on key industry trends including the company's innovative approach to the energy transition, emphasizing fuel-agnostic solutions, energy efficiency and close collaboration with third parties to meet future challenges:

We met recently at the SMM trade fair, always a really important date on the shipping calendar. What were your takeaways?

The first thing that stood out to me was that energy efficiency seems to be really high on the agenda, alongside LNG as an alternative fuel. Secondly, digitalization seems to be much more in focus than just a couple of years ago. This is why it is so great to come to these trade shows; you can hear what the industry’s talking about and it really helps to calibrate your own views.

At SMM, we launched our latest Maritime Forecast to 2050, which focuses on the building blocks needed for the energy transition in shipping. From Alfa Laval’s perspective how are you going to respond to the energy transition? Is this a significant challenge or something you’ve already anticipated?

The one thing that Alfa Laval is absolutely known for is being innovative from the beginning and that’s still part of the company’s DNA. So when we started working around decarbonization and the energy transition roughly five or six years ago, we took the position that as Alfa Laval we needed to put our money where our mouth was. And, instead of just telling others to decarbonize, we also set some goals for ourselves for 2030. Right now, we expect to meet our Scope 1 and 2 net zero targets ahead of schedule. (PS: After this interview took place, Alfa Laval announced an updated goal to achieve net zero in its own operations by 2027, covering Scope 1 and 2 emissions.) 

However, challenges remain, particularly supporting customers in areas outside our direct control, such as fuel choice. Shipowners have a tough challenge, finding a vessel design and choosing a fuel that is economically viable, commercially attractive and future-proof for the next 20–25 years. Recognizing this complexity early on, we positioned ourselves to support shipowners with versatile, future-ready solutions. In particular, one major initiative has been to ensure our product portfolio is fuel-agnostic

Additionally, we have prioritized the development of new platforms focused on energy efficiency. Another key step has been the acquisition of StormGeo, which, whilst unconventional for a company like Alfa Laval, aligns with our strategy to address the evolving energy efficiency and sustainability demands of the maritime industry. Ultimately, our commitment is to provide solutions that enable both immediate and long-term decarbonization goals.

You mentioned key elements like energy efficiency and fuel flexibility, and you have set up your company to address these challenges. Looking ahead to 2030, what do you envision will be your most important products to support customers with these trends?

It is challenging to be definitive about specific products, but we can identify trends. Our energy efficiency portfolio will play an increasingly important role, even more so than it does today. Transitioning to clean fuels will also grow in importance. If I were to highlight one area, it would be energy efficiency over the short term. 

Given the challenges in scaling up the supply of green methanol and ammonia by 2030, boosting energy efficiency becomes an essential, immediate necessity for the industry. At Alfa Laval, all three of our divisions – Marine, Energy, and Food and Water – will contribute to these efforts. In the near term, we will focus on enhancing energy efficiency in existing systems whilst introducing new, innovative energy efficiency platforms across our product portfolio to support our customers in navigating this energy transition.

I’ve a follow-up question on the energy transition. How do you feel about the role of carbon capture and storage in this process?

From our perspective, carbon capture and storage (CCS) is set to play an important role, particularly on the energy side. However, the role of onboard carbon capture specifically is less clear. These are two different challenges and we need to approach them with an open mind. For instance, it’s possible that LNG could be a transitional fuel that achieves a 20% reduction in emissions. If onboard carbon capture technology could add another 10–15% reduction on top of that, it might be a viable step forward. 

However, there are still many questions to address. We need to solve challenges related to the footprint of onboard carbon capture systems, as well as their cost-benefit ratios. These are critical factors that must be worked out before onboard carbon capture becomes a widespread solution. That said, I have confidence in the ingenuity of the maritime industry, and I am optimistic that we will find ways to overcome these challenges. 

And whilst there are still questions to answer, I firmly believe that carbon capture and storage, both on land and onboard, could make a significant contribution towards accelerating the energy transition.

Note: The full interview by DNV can be found here.

 

Photo credit: Venti Views on Unsplash
Published: 14 January, 2025

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