For a ship or fleet of ships (tugs, dredgers, supply ships, trawlers, tuna boats, or other fishing boats, etc.) operating on EN 590 diesel or marine fuels (MDO and MGO), we advise setting up a manual pump dedicated to XBEE. This makes it possible to pour the XBEE into the hold, through inspection hatches, based on the quantity of fuel, using pails. Another possibility is to install an electric pump directly connected to the XBEE source on the one hand and inserted into the engine fuel line on the other, preferably before entering the storage hold.
This way, fuel improvement is automatic and there is no need to monitor XBEE stock levels.
A ship running on Heavy Fuel Oil IFO 380 (as well as other grades from 30 to 700 Centistokes, including IFO 180 cSt) may have a pump installed with a high-pressure spray for injecting the XBEE in the form of fine droplets that will mix more easily with the fuel. We recommended this set-up given the difference in density between Heavy Fuel Oil (around 960 to 1,010 kg/m3) and the XBEE (795 kg/m3) but is not mandatory. Additization may occur in the fuel supply line during filling or, depending on tanks cleanliness, on the fuel line between the hold and the sedimentation tank.