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Large scale ethanol producers using a continuous flow system to distill the
alcohol are not using copper as the metal in contact with the heat source.
This affects the efficiency of distillation.
Oil companies are promoting oil from algae.
The competitors in the game are yeast, bacteria, and algae.
If algae are left to rot in the oil extraction process, then bacteria
will eat it. This is the reason
origin oil invented a more efficient way to extract
oil from algae. The process combines ultrasound and an electromagnetic pulse to
break the algal cell walls. Then the algae solution is force-fed carbon dioxide,
which lowers its pH, separating the biomass from the oil.
However, this method is expensive.
Nova now just did a special on gas from Algae and mentioned that it costs
about $8.00 a gallon using solvent methods.
Solvents prevent the bacteria from eating the oil; however they prevent
the liquid from being easily recycled.
The system is designed around keeping the yeast alive for longer periods, thus promoting greater ethanol production. This is difficult to do with large 80,000 gallon fermentation containers, not because of the size but do to the way the alcohol is taken out of the container. Yeast make ethanol for two reasons, as a storage food and for defense. This system is designed not to fight why yeast make alcohol. The yeast must be given food and water in order to maintain the conditions necessary to promote efficiency in material costs, and yeast life expectancy in the overall fermentation vessel. Great wealth is obtained little by little, thus this system is designed to produce ethanol in great amounts little by little.
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