Diesel filtration device
Portsmouth International Port comes in two parts, the Ro-Ro port and the Lo-Lo port both are faced with the same problem.
They are based in the heart of a City where de-carbonisation is being overtaken by the requirements of Air Quality. The requirement to act is not one that is led by legislation but by the port’s owners, the people of the City of Portsmouth whose councillor representatives’ demand of this municipal port what it is that they will do to protect their owners from the effects of their port marine operations. A raft of projects are being undertaken to reduce carbon and reduce and mitigate harmful emissions to air. Amongst these, one stands out as it was undertaken by the port engineer at Portico as a means of not just reducing diesel consumption but reducing particulate emissions from existing port machinery. The project involved the fitting of an off-line kidney filtration device (developed locally) that is connected directly to the on-board fuel tank in one of the ports large mobile cranes. The port has already invested in dual fuel cranes but there is not enough power at the port boundary to supply sufficient electricity to run these, the port therefore has to mitigate the effect of the existing cranes by such innovative and new technologies as it can find. The filters internal media is 100% recycled material and the external casing for these is reusable and returned for re-use.
The results were astonishing not so much in the amount of particles that were removed but in revealing just how much dirtier the fuel delivered is from the fuel that was ordered and the specification to which it was supposed to comply.
The results were astonishing not so much in the amount of particles that were removed but in revealing just how much dirtier the fuel delivered is from the fuel that was ordered and the specification to which it was supposed to comply. Measures to have each delivery check and rejected where necessary are being put in place.
Installation of the filtration equipment significantly reduced the particle count in the diesel, to sit safely within ISO 4406 limits, including:
- 45% reduction in >4 μm particles/mL
- 52.63% reduction in >6 μm particles/mL
- 64.70% reduction in >14 μm articles/mL
Gas Idle Full load Full load + boom
CO % change -33.09% -6.67% -26.67%
NO2 % change -45.28% -41.38% -72.41
NOx % change -8.33% -9.57% -44.68%
NO % change -50% -20% -60%
SO2% change -15.70% -9.57% -44.69%
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