ISO develops IMO2020 guidelines

Oct 04 2019

International guidance to help owners and operators cope with IMO2020 has just been published.

ISO/PAS 23263, Petroleum products – Fuels (class F) – Considerations for fuel suppliers and users regarding marine fuel quality in view of the implementation of maximum 0.5% sulfur in 2020, defines the requirements of such fuels and other technical considerations, which apply to the range of marine fuels that will emerge on the market.

The publicly available specification (PAS) will help all organisations that use marine fuel make the transition before the 2020 deadline and provide guidance on the application of existing specifications as outlined in ISO 8217, Petroleum products – Fuels (class F) – Specifications of marine fuels.

Nicolas Rouquette, Chair of the ISO expert group that developed ISO/PAS 23263, said it came at the request of the IMO in order to ensure consistency with existing standards and the implementation of the new regulation.

“This document will help both suppliers in the development of suitable marine fuels and users in making the change and will enable a smooth transition to 0.5% sulfur fuels by the deadline,” he said.

ISO/PAS 23263 covers technical aspects including kinematic viscosity, cold flow properties, stability and compatibility of fuels.

The PAS was developed by ISO technical committee ISO/TC 28, Petroleum and related products, fuels and lubricants from natural or synthetic sources, subcommittee SC 4, classifications and specifications. The secretariat of this sub-committee is held by AFNOR, ISO’s member for France.

ISO/PAS 23263 can be purchased from a national ISO member or through the ISO store.

Class Society ClassNK has released ‘Booklet for ship crew members: Precautions concerning change-over to 0.50% sulphur compliant fuel oils’.

The booklet outlines potential risks for seafarers responsible for operations in the change-over from conventional fuel oils to compliant fuel oils and measures to mitigate the risks.

In light of the sulfur limit regulation affecting the world on a global scale, situations where conventional fuel oils for main engines and auxiliary engines are changed to compliant fuel oils and actually used are expected to increase.

This booklet provides crew members who bunker and use compliant fuel oils with information focusing on the compatibility and cold flow properties of such fuels, as well as associated risks and measures to mitigate such risks.

In addition, relevant recommendations and product leaflets provided by several chemical manufacturers pertaining to sludge dispersants and sludge solubilisers are included as references.


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