BIMCO members have reported that they have found that paraffin has formed in (LSMGO) due to the low temperatures experienced in northern European waters during the winter.
The reports state that DMA 0.1%, which was analysed to be within the specifications for ISO 8217, DMA, has been forming large amounts of paraffin in the marine gas oil (MGO) tanks which has caused problems. The cloud point for this MGO was 32 degrees celsius, which is the temperature where paraffin starts to form, but the cloud point is not part of the ISO 8217 specification.
Operators should bear this in mind when stemming LSMGO in northern Europe and they are advised to find out the cloud point as well as the pour point prior to the bunkering operation. They should also think about whether it is necessary to stem DMX grade if they are trading in the Baltic or other areas where traditionally there are low sea temperatures. This would enable any operator to obtain the cloud point beforehand, since it is part of the DMX specification.
Terminology
- ISO 8217 is the international organisation for standardisation specifications for bunkering
- DMA 0.1% and DMX are industry marine gas oil fuel brands
Source: The Britannia P&I Club
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