
Quote from bigmoose:
Don I wish I would have saved it, but I searched out a DOE report on corn based ethanol that showed at a "system level" that it was a net BTU loss. In other words it took more BTU's in fossil fuel for fertilizer, tractor tilling/harvest, transportation, fermenting and processing than we got out of the final ethanol stream.
However another DOE report showed sugar cane, bio mass, and a big winner ALGAE. The algae cycle was based near a fossil fuel plant where the exhaust CO2 stream was introduced into the growing media (water). The algae grew in a racetrack like oval where the water circulated. The algae was skimmed off once per revolution. The conversion efficiency was phenomenal, like 45% to lipids. You could just sun dry the algae and burn it in a boiler. Good stuff, but a little "different."
I'd be interested in any of the links on algae. The articles I've seen have noted that it has tremendous potential but so far it is quite temperamental with it's requirements... (& thus difficult to scale up).Quote from bigmoose:
However another DOE report showed sugar cane, bio mass, and a big winner ALGAE. The algae cycle was based near a fossil fuel plant where the exhaust CO2 stream was introduced into the growing media (water). The algae grew in a racetrack like oval where the water circulated. The algae was skimmed off once per revolution. The conversion efficiency was phenomenal, like 45% to lipids. You could just sun dry the algae and burn it in a boiler. Good stuff, but a little "different."
Quote from Don Bright:
My understanding is, even though we can probably only grow beets or cane in Florida, that cane is much more efficient.
Quote from RL8093:
I'd be interested in any of the links on algae.