how long can i store used cooking oil before processing it ot biodiesal

i have used cooking oil how long can i store it for use in making biodiesal

3 comments

1.  an Anonymous Greaser (21 January, 2009 - 23:56) says:

I have the same question. Is there a shelf life when storing used cooking oil prior to processing the biodiesal.

2.  an Anonymous Greaser (2 February, 2009 - 15:32) says:

I have stored wvo that I have filtered for over a year. I put a purge of argon on the oil so there is no contact with air. Argon is heavier than air so a few minute purge and good to go.

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