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Joint Industry Guidance released on supply and use of 0.5% sulfur marine fuel

Published by
Hydrocarbon Engineering,


A number of shipping, refining, fuel supply and standards organisations have worked together to produce Joint Industry Guidance on the supply and use of 0.5% sulfur marine fuel, released on 20 August 2019.

The publication has been developed by experts from across shipping, refining, supply and testing of marine fuels.

It is designed to provide guidance for stakeholders across the marine fuels and shipping industries, from fuel blenders and suppliers to end users. It presents the specific safety and operational issues relating to the supply and use of maximum 0.5% sulfur fuels, an overview of fuel quality principles, and the controls that should be put in place to ensure that safety issues are identified, prevented and/or mitigated. It addresses issues such as fuel compatibility, fuel stability, and fuel handling and storage, and contains a comprehensive review of existing operational factors that can affect safety. It does not address issues related to compliance with Flag State, Port State or IMO rules or guidelines, or alternative means of compliance (e.g. exhaust gas cleaning systems), and does not include a discussion of alternative fuels such as LNG, hydrogen or methanol.

Key messages:

  • Ensure fuel quality by ensuring that blend components are suitable for bunker fuel production, with particular attention being given to ensure that the final product is stable.
  • Fuel suppliers and purchasers should provide adequate information to the ship concerning the fuel as supplied to enable ship crew to identify and manage potential safety and operational issues associated with certain fuel properties and characteristics.
  • Fuel characteristics are expected to vary considerably between bunkers. The ship's crew will need to adopt a more proactive approach to fuel management. They will need to know the fuel characteristics as loaded and be able to respond to the requirements, especially in terms of on board temperature requirements and any commingling.
  • While compatibility between fuels from different supply sources can be a concern in today's environment, assessing compatibility of 0.5% sulfur fuels from different sources will be key. To the extent possible, fuel should be loaded into an empty tank. The available space for new bunkers to be loaded should be taken as the capacity of the empty tanks in order to avoid commingling on loading.
  • Ship operators and fuel suppliers should review operational practices to allow sufficient time to test for compatibility between existing and proposed bunker fuel delivery, especially if no ‘empty’ dedicated storage tank is available on the ship.

The publication is free and available to download here or from the websites of any other participating organisations.

The publication will be supported by an e-learning course to be released in October 2019.

Read the article online at: https://www.hydrocarbonengineering.com/the-environment/22082019/joint-industry-guidance-released-on-supply-and-use-of-05-sulfur-marine-fuel/

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