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  Lab Tests
  Diesel Bugs
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 De-Bug Clean Fuel Units


 Laboratory Tests


 Shell Oil (New Zealand) Ltd.

 Shell undertook a comparative trial to ascertain the effectiveness of De-Bug Multi-Mag units. The objective of the trial was  to determine the effectiveness of De-Bug Multi-Mag units when fitted to Kerbside Pumps (KPU) used in filling stations, the  test was also able to demonstrate the effectiveness of De-Bug units in other applications such as quayside fuelling facilities and re-fuelling 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, which was conducted at the premises of Shell Oil New Zealand, confirmed that the fuel had a significantly lower fungal and bacterial count 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. Report


 Dutch (Netherlands) Institute for Fishing Industry Research (RIVO)

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.
Read Report

Reference to RIVO -


Bio-Deterioration Service, Corporate Research Laboratory, ICI New Zealand 

 ICI tested the effectiveness of De-Bug Units. Two test rigs were built to simulate fuel systems, both had  De-Bug casings fitted to a recirculation system. Yet to demonstrate comparative testing, one of the De-Bug units was modified with non-magnetic spacers in place of the Tri-Mag bug killer pack. Diesel fuel with known contamination levels was then circulated through both rigs. Samples were taken at regular intervals and tested for fungal & bacterial colony counts.
The functioning De-Bug unit caused a rapid and dramatic decline in the bacterial and fungal counts and fuel from the test rig remained effectively clear of fuel degrading fungi for the duration of the trial.  
Read Report

Another Test was conducted by ICI New Zealand - report:  "Testing of Diesel Samples for Microbiological Contamination from a Truck 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,  that " ... regardless of the contamination level in the tank, the De-Bug unit successfully cleaned up the fuel system". During the in-situ truck test on average over 90% of the fungi and yeast cells were killed.  Read Report


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This page was last updated on Thursday, 18 September 2018