about 20% to get an exact number you have to test each batch of feed oil. In the big plants they recycle methanol until it is used up and there is no losses that way. Home made bio diesel you need to use slightly more than the tests indicate to assure you get complete conversion so you will waste some methanol.
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about 20% to get an exact number you have to test each batch of feed oil. In the big plants they recycle methanol until it is used up and there is no losses that way. Home made bio diesel you need to use slightly more than the tests indicate to assure you get complete conversion so you will waste some methanol.