jet fuel properties

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Kevin - 16 Jun 2004 10:59 GMT

Gday

What fuel do jet engines use? Jets like 737, etc. is it jet a or something?
does anyone know the properties of this fuel?

-is it acidic?
-does it have Bromine in it?
- whats the pH of it?

I know these questions sounds stupid, but i am trying to test the water in
botany bay for any traces of jet fuel, using a simple pool test kit.. lol.
My pool test kit tests Chlorine, Bromine, Acid, Alkaline and of corse the
pH..

does anyone know how i can prove that water has resedue from burnt jet fuel,
from testing these properties? I was thinking maybe fuel is an alkali
therefore, i could test the pH of the water and if it were lower than normal
water pH (i think is 5,5?) it has air fuel in it

thanks the help

cheers
Perry

cheers

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JD - 16 Jun 2004 11:17 GMT

> Gday
>
[quoted text clipped - 21 lines]
>
> cheers

Jet fuel is kerosene for all practical purposes. It is essentially insoluble
in water and contains neither bromine nor chlorine. As it is insoluble in
water it will not affect the pH, although the carbon dioxide produced from
combustion is, of course, acidic, and it may contain traces of sulphur,
which will also reduce pH when burnt. Small traces of nitrogen oxides will
also be produced, all of which will reduce the pH, but all of these effects
will be swamped by the CO2 from road, rail and marine traffic in the
general area. I don't think that your test kit will detect anything
attributable to aviation operations.
JD

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Kevin - 16 Jun 2004 11:53 GMT

> > Gday
> >
[quoted text clipped - 31 lines]
> general area. I don't think that your test kit will detect anything
> attributable to aviation operations.

righto mate, thanks

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M.Lopresti - 16 Jun 2004 11:49 GMT

Fuel type used.
AVTUR Aviation Turbine Fuel

> Gday
>
[quoted text clipped - 21 lines]
>
> cheers

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Petzl - 16 Jun 2004 12:06 GMT

>Gday
>
[quoted text clipped - 21 lines]
>
>cheers

Do not expect openness and honesty from this group

<http://www.stormingmedia.us/44/4475/A447583.html>

Toluene & Benzine are used around ten percent mixes in Jet fuel which
is 90% aviation kerosene

Botany is another Labor area politically targeted for aviation and
it's poison. A 747 turns 10 tonne an hour on average into soot (More
on take offs)

I can possibly direct you to sources that will show you how to test
for Jet Fuel in botany Bay although the area is heavily polluted by
petrochemicals ORICA is prepared to spend millions in rectifying its
legacy issues.

You could/should demand from Macqurie Airports on what funding they
are to put towards cleaning up their legacies of pollution (at least
make it official they are liable). They should be in a position also
to tell you how to test for thier pollutants they have put in Botany
Bay

Petzl

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Kevin - 16 Jun 2004 14:34 GMT

> >Gday
> >
[quoted text clipped - 37 lines]
> petrochemicals ORICA is prepared to spend millions in rectifying its
> legacy issues.

yes!! please do! thanks mate

> You could/should demand from Macqurie Airports on what funding they
> are to put towards cleaning up their legacies of pollution (at least
> make it official they are liable). They should be in a position also
> to tell you how to test for thier pollutants they have put in Botany
> Bay

thanks for that

> Petzl

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David Bennetts - 16 Jun 2004 23:50 GMT

Kevin

I don't think testing the water of Botany Bay with a swimming pool test kit
and taking advice from Petzl constitute very serious and credible research.

I've no doubt that the airport does cause pollution, and that there is also
pollution entering Botany Bay from a multiplicity of other sources.

I'd suggest that you'd need to take a much more rigorous and academic
approach before anyone would take any notice of your findings.

Regards

David Bennetts

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Kevin - 17 Jun 2004 10:49 GMT

> Kevin
>
[quoted text clipped - 6 lines]
> I'd suggest that you'd need to take a much more rigorous and academic
> approach before anyone would take any notice of your findings.

yes mate.. i believe and know everything that you just said. but it is a
long story and i only have a shithouse pool test kit.. so what am i do?

> Regards
>
> David Bennetts

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David Bennetts - 17 Jun 2004 23:57 GMT

> yes mate.. i believe and know everything that you just said. but it is a
> long story and i only have a shithouse pool test kit.. so what am i do?

Testing Botany Bay for pollutants with a pool test kit is a bit like trying
to ascertain your blood pressure using a thermometer.
The only way anyone in authority would take any notice of tests is to gather
samples at a representative number of locations throughout the bay, most
likely with an independent witness present, such as an officer of the
Enivironment Protection Authority, put them in tightly sealed containers and
label them with time, date and place sampled, and send them off to an
independent accredited laboratory for chemical analysis and a report. The
results, probably expressed in parts per million could then be compared with
some sorts of international standards.

Use your pool test kit for its designed purpose.

Regards

David Bennetts

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BB - 16 Jun 2004 13:30 GMT

> Gday
>
> What fuel do jet engines use? Jets like 737, etc. is it jet a or something?
> does anyone know the properties of this fuel?

Jet A, Avtur and JP-8 are a few of the names used...

> -is it acidic?
> -does it have Bromine in it?
> - whats the pH of it?

Probably best to do an internet search for that info...

> I know these questions sounds stupid, but i am trying to test the water in
> botany bay for any traces of jet fuel, using a simple pool test kit.. lol.
[quoted text clipped - 5 lines]
> therefore, i could test the pH of the water and if it were lower than normal
> water pH (i think is 5,5?) it has air fuel in it

Probably difficult to prove whether any of that residue came from the
aircraft or any other related industries - eg. trucking, shipping industrial
runoff etc. etc. etc. .... I imagine you'd be better off getting several
soil samples from the airport itself and testing them (maybe comparing it to
a few that were taken away from the airport)...

Regards,
BB.

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matt weber - 17 Jun 2004 05:36 GMT

>Gday
>
>What fuel do jet engines use? Jets like 737, etc. is it jet a or something?
>does anyone know the properties of this fuel?

Jet A fuel is a middle distallate, a first cousin to Diesel Fuel, and
No. 2 Heating oil (and most Jet engines will actually run on any of
those fuels).

>-is it acidic?

Shouldn't be, but other contaminants in water may shift the pH

>-does it have Bromine in it?

Shouldn't, but once again, other contaminants may

>- whats the pH of it?

not meaningful, hydrocarbons don't ionize in water.

Best test is Gas Chromatography, because what you are looking for a
hydrocarbons which will vaporize from the sample if heated.

So if you are looking for a simple home test to check for gasoline, or
other petroleum products in water, I don't think there is one. You
nose works pretty well as a detector however.

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Aviation Forum / Country Specific / Australian Group / June 2004

jet fuel properties