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Old 2nd August 2008, 11:41 AM
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Tony From West Oz Tony From West Oz is offline
Secretary of WA Renewable Fuels Asn
 
Join Date: Sep 2005
Location: WA
Posts: 1,902
Tony From West Oz has been in the biodiesel scene for agesTony From West Oz has been in the biodiesel scene for agesTony From West Oz has been in the biodiesel scene for agesTony From West Oz has been in the biodiesel scene for agesTony From West Oz has been in the biodiesel scene for agesTony From West Oz has been in the biodiesel scene for ages
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Re: G'day to all you nice people there under the other side of the earth

OPE,
Google the "FATTA Method", which is a 2 stage (Acid then Base) process where the FFA in the oil are converted directly to biodiesel then the remaining acid is neutralised and sufficient caustic added to catalyse the triglycerides into biodiesel.
The additional work may be worth it if your oil is titrating high. How high justifies the FATTA methiod? I don't know. Perhaps other members would care to comment.

Tony
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