I have seen "Stuff" [algae and other bugs], grow in middle distillate [heating/diesel oil, and jet/kero] and heavy oil [bunker and crude] industrial tanks on tank farms that I have dealt with. I know of know instances where bugs have grown in "light end" [gasoline, naphtha] tanks.
If you have bugs you have some middle distillate mixed in with your gasoline . On 27 May 00, at 17:27, [EMAIL PROTECTED] wrote: > Greg... > > the Green Stuff.....I had an episode of green stuff.... > > I had been using Amoco 93 octane Clear super, etc, etc for over 10 > years....Just before the green stuff occured, I noticed an asphalt smell in > the fuel...not typical of Amoco ...Didn't give it much thought. > > The Airplane sat several months without fresh fuel being added.. On checking > the sumps, I began to get a green slime....also a green sludge on the > underside of my fuel caps.. > > I sent samples to Amoco....they responded with " Can't help"...., very > little > interest. > > I think what happened is this: > > Gasoline is shipped by pipeline from refineries in the big inch pipe...along > with kerosene, jet fuel, fuel oils, other gasolines, etc. The slug of > product > is separated by a "contaminated zone". At the storage tank farm, the > contaminated slug is removed....supposedly so that all potential > contaminated > fuel is removed, and that fuel is re-refined, and used as industrial fuels. > > Now, I think what happened, was that the contaminated fuel was not > processed > properly, and some of the kerosene/jet fuel/bunker fuel, etc. remained in my > dose of Amoco. That was the asphalt smell I noticed. > > Now fuel oils grow algae...... Jet fuels now have algecides added at the > refinery...until lately, the re-fuler added algacide when refueling...PRIST > --- > > I drained my tanks, and flushed them , and added 100 LL....and have not had > green sludge growing on the underside of my fuel caps, but still get some > limited amount of green in the sump check along with condensation water. > ...I > did add Prist to my fuel tanks, but wish now that I had not only drained > them, but maybe even steam cleaned them. May do that yet. > > I never experienced the problem in the 18 years I have owned the coupe, > until > this episode; and have used auto fuel Amoco Clear, since EAA approval STC. > > Now, until I am flying more hours, and refueling on a regular basis, I will > continue to use 100 LL, as I think it is more Algae proof.... Not so sure > about that, tho. > > I did not take samples to the lab and see algae cellular structure, but it > sure looks like algae, and it grows in the tanks. I do have pictures of the > green stuff, and maybe a dried sample... > > Harry Francis > 93530 > Blacksburg, VA > > > --------------------------------- > to unsubscribe send mailto:[EMAIL PROTECTED] > ___________________________________________________________ > T O P I C A The Email You Want. http://www.topica.com/t/16 > Newsletters, Tips and Discussions on Your Favorite Topics > > --------------------------------- to unsubscribe send mailto:[EMAIL PROTECTED] ___________________________________________________________ T O P I C A The Email You Want. http://www.topica.com/t/16 Newsletters, Tips and Discussions on Your Favorite Topics
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