Shell undertook a comparative trial to determine the effectiveness of De-Bug Multi-Mag units when fitted to Kerbside Pumps (KPU) that are used in filling stations.
Also, this test demonstrated the effectiveness of De-Bug Units in other applications, such as quayside fueling facilities and re-fueling barges. “It is evident from the results that the De-Bug device is capable of reducing the fuel degrading organisms even at high flow rates, as encountered in a service station situation.”
The trial, conducted at the premises of Shell Oil New Zealand: with high existing levels of fungus and bacteria, had significantly lower fungal and bacterial counts when treated with De-Bug units. This trial demonstrated the effectiveness of the De-Bug Multi-Mag unit which can be incorporated in a number of high flow rate systems and can be used on an intermittent or continuous basis if required – Read Report
RIVO undertook a trial of De-Bug units over a period of four months in 1990.
“From the research, it is now definitely established that on the test ships GO 22 and GO 28 the contamination was controlled within one week of the installation of the De-Bug L4000 unit.“
” Further it is worth mentioning that installing the L4000 De-Bug Unit on the GO 22 increased the service life of the filters from two weeks to 14 months, while the lifetime of the injector nozzles was lengthened from 9 to 14 months.”
In all three cases, microbial contamination was reduced between 90 and 100% and then successfully controlled –
ICI tested the effectiveness of De-Bug Units. Building two test rigs to simulate fuel systems, with both having De-Bug casings fitted to a recirculation system, one being a full operation De-Bug Unit, the other without the key components of the De-Bug units.
Diesel fuel with known contamination levels was then circulated through both rigs. Samples were taken at regular intervals and tested for fungal and bacterial colony counts. Decline in the bacterial and fungal counts, and fuel from the test rig remained effectively clear of fuel degrading fungi for the trial duration – Read Report
Bio-Deterioration Service, Corporate Research Laboratory, ICI New Zealand
Testing of Diesel Samples for Microbiological Contamination from a Truck fitted with the De-Bug Unit.
The report confirmed the overall effectiveness of the De-Bug unit in an in-situ test – treating contaminated fuel on ‘at work’ fuel system. The test determined,
” … regardless of the contamination level in the tank, the De-Bug unit successfully cleaned up the fuel system”.
During the in-situ test an average of over 90% of the fungi and yeast cells were killed.
Bio-Deterioration Service, Corporate Research Laboratory, ICI New Zealand:
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