Any news abaut the centrifugal separator??????
Why there is not pics in this group????
Pics will be very useful to compare methods on how to make biodiesels


-- In biofuel@yahoogroups.com, "nick_75au" <[EMAIL PROTECTED]> wrote:
> Hi,
> I posted to the 100% ethanol post about centrifugal processor not 
> being able to seperate water from ethanol, yahoo started bouncing 
my 
> messages for the second time in as many weeks so i never saw the 
> replys, general opinion is a seperator wont work.
> Anyway I want to  throw some thoughts out into the breeze about 
> using the seperator to remove the glycyrine and FFA out of the 
> reacted biodiesel. I worked in the navy where we used 4 small 
> seperators, two for removing contaminants and water out of main 
> engine sump oil and the other two removed water and solids from 
> diesel fuel. As we know to seperate the glycerine and FFA out of 
the 
> fuel once it is reacted it is left to settle overnight and the FFA 
> and glycerine settles to the bottom by gravity. Well a centrifugal 
> seperator ( if I can I will post a picture in the photos section 
> showing a seperator cross section) achieves the same result by 
> rotating a stack of conical disks at around 10,000 rpm. the heavy 
> component is forced to the outside and is discharged to a port, the 
> fuel passes up the center and is discharged to a second port. any 
> dirt is traped on the disks and in the bowl. The advantage of this 
> is that it happens in minutes not hours or days. The seperators I 
> delt with were the smallest model and they could process 100 litres 
> per minute.  Another feature that is interesting is that for the 
> centrifuges water could actualy be introduced into the oil or 
diesel 
> to assist in seperating water and contaminant from the product, I 
> bring this up because It may be a way to wash the biodiesel at the 
> same time as removing the glycerine however I think this may not 
> work as all the procceses on the JTF site wash after seperating, 
> Have I missed someting regarding this?.
>      So now I have given this wonderful info and you all rush out 
to 
> find 
> seperators then find they are too big, too costly and difficult to 
> find unless you work in a shipyard, I did some looking around and I 
> believe that the humble cream seperator might just do the trick, a 
> perfect size for a home biodieseler, hand driven and works on 
> exactly the same principal. Some experimentation will be required 
as 
> to speed it 
> is spun and it may require some modification I dont know until I or 
> someone can post some results.
> I havent made any biodiesel yet and when I do I am definitly going 
> to try this out, If any one is willing to give it a go now I would 
> love to here about it and will be able to sort out any problems 
> on-line.
> 
> Best Regards
> Nick




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