Keith, thank you for the helpful info.  Jonathan. 

--- In biofuel@yahoogroups.com, Keith Addison <[EMAIL PROTECTED]> wrote:
> Hello Jonathan
> 
> >After reading these 2 posts about bashing biodiesel, my mind came
> >across some questions that I could not find answers to in the
> >archives.  George Morrison points out that in every sample of
> >biodiesel there is 350-800 ppm of water and anything above 100ppm,
> >there is a problem with water dropout in the fuel.  Reading some of
> >Girl Mark's comments on jtf, she states that there is anywhere from
> >1200-1500 ppm of water that biodiesel absorbs from the atmosphere.
> 
> It was Camillo Holecek of Energia who said that. Here's what he 
said:
> 
> >Comment on "various national biodiesel standards set rather low
> >tolerances for water content":
> >
> >The Austrian Standard ONORM C 1191 said only: "No water should 
settle
> >out"
> >(i.e. about 1200ppm water would stay in solution in our FAME.)
> >
> >All others bother about 500 and even 300 ppm (DIN), which is 
nonsense
> >IMO, as FAME is hygroscopic and will attrack humidity from air 
until it
> >is back to 1200ppm. Means, in your car you will have anything but
> >300ppm.
> >
> >Anyway, our new plant in Zistersdorf, Austria, had 54 ppm in the 
last
> >analysis..... :-)
> >
> >Camillo Holecek
> >
> >Energea Umwelttechnologie GmbH,
> >Biodiesel Raffinerie GmbH,
> >DonauWind GmbH&Co KG
> 
> ... which I quoted a few times in connection with the work being 
done 
> with water injection and water-fuel emulsions to reduce emissions, 
> and I think Mark got it from that.
> 
> What did George Morrison say about a problem with water dropout 
above 
> 100ppm? Drop out where? No problem if it's in the combustion 
chamber, 
> seems to me. Got a reference for that?
> 
I am embarrassed to say that I don't know how to post links the way 
you do in the text of the messages.  However, I wrote it down.  It 
can be found in message #37363.  The link is 
http://forum.thedieselpage.com/ubb/ultimatebb.php?
ubb=get_topic;f=3;t=007240.  

> Some previous discussion at the Biofuels-biz list:
> 
> >Re water in biodiesel, water emulsions, and ethanol-biodiesel 
blends,
> >ethanol-biodiesel-water blends, all much discussed here and at the
> >Biofuel list, I suggest an archives search. See this, for instance:
> >http://archive.nnytech.net/index.php?view=835&list=BIOFUELS-BIZ
> >
> >http://archive.nnytech.net/index.php?view=835&list=BIOFUELS-BIZ
> >
> >A lot of people have an instant overreaction when they hear stuff
> >like this - water in the fuel! AAARGHH! Free water in petro-diesel 
is
> >of course bad news; a fuel-water emulsion is a different matter, as
> >also with water-biodiesel blends. If it's dissolved in the fuel it
> >will harm nothing, and there seem to be big advantages.
> >
> > >"Following is a list of studies that are being considered for
> > >inclusion in work being done by EPA to assess the effects of
> > >water-fuel emulsions on emissions of oxides of nitrogen (NOx),
> > >hydrocarbons (HC), and particulate matter (PM)."
> > >http://www.epa.gov/otaq/models/analysis/emulsion/emulbibl.pdf
> 
> I wish we could get to the bottom of all this at last.
> 
> >She also said that she has been experimenting with bubbling the bio
> >to see if any more water comes off.
> 
> But then she said it oxidises the fuel, leaving some of us puzzled 
as 
> to why bubble-drying would oxidise it but bubble-washing not (it 
> does).
> 
> More about that here:
> 
> http://infoarchive.net/sgroup/BIOFUEL/34769/
> 
> http://infoarchive.net/sgroup/biofuel/36779/
> 
> Best wishes
> 
> Keith
> 
> >I haven't been commenting a lot,
> >because I have been busy just reading, learning and more reading.  
I
> >tend to listen more than I talk.  Anyways, I know that ppm is a 
small
> >figure, but can these amounts be detrimental to engines over time, 
or
> >is the water content just harmlessly burned along with the fuel?  I
> >have been still working on my processor and have all the 
components,
> >and now between work and family have to find the time to put it
> >together.  Any and all comments are welcome and as always...thanks.
> >Jonathan.
> >
> >--- In biofuel@yahoogroups.com, Keith Addison <[EMAIL PROTECTED]> wrote:
> > > Hello Ryan
> > >
> > > Comments below.
> > >
> > > >I've just had this thread brought to my attention on
> > > >thedieselpage.com.  There looks to be a lot of people over 
there
> > > >bashing biodiesel as holding too much water and potentially
> > > >destroying the high pressure injection systems on the Chevrolet
> > > >duramax diesel.
> > > >
> > > >They are being especially harsh on homebrew and on fuel made 
from
> 
> <snip>




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