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Old 02-02-2009, 02:09 PM   #5
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Originally Posted by Edward Hamilton View Post
I don't know the exact figures but I'm told that today Bacardi recovers a significant amount of methane from their spent yeast reducing the biological oxygen demand on the environment.

From the top of the Cathedral would could see the huge anaerobic tanks where the methane is produced. There are least 3 or 4 of them. We were told the percentage of energy this process produces toward firing the boilers. Of course now I can't remember the exact number, but I think it was upwards of 60%.
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