Good practices will yield 1 to 1.5 tons per acre on a fairly
sustainable basis. (1/3 removal; 2/3 left as soil cover)
I am not a big fan of corn stover or corn as ethanol feedstocks. The
big problem is the baling and transportation costs of corn stover.
It is viable, and with this new process, the stover will yield 90 to
100 gal per ton of feedstock. Because of the bulk and resultant
transportation cost, small localized plants make sense. 50 to 100
million GPY plants are nuts for cellulosic feedstocks.
The concept of a 1.5 to 6 MM GPY Biodiesel plus 1.5 to 20 MM GPY
ethanol PLUS solid fuel pelletizing on a biofuels campus for local
use makes sense. The concept is local inputs, local outputs for
local use and local ownership. Each site adapted for local
feedstocks and consumption makes economic sense.
Allan Streib wrote:
Is there really enough waste cellulose to support the process? Growing
plants to turn them into ethanol turns out to be a net energy loss I
think.
We use corn seed now. These days, a good acre of corn might have 200
bushel of seed, and how many tons of stalks?
Mitch.
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