[Gasification] Biomass heated ethanol plants

Mark Ludlow mark at ludlow.com
Tue Aug 8 22:59:34 CDT 2006


Thanks, Neal.

Could you please work backward from the gasifier and compare the net heating
value (as delivered, with possible fiber water saturation) and include all
associated costs among which transportation is likely paramount. There's an
old saying in the Value Recovery industry: "You can't put waste on wheels".

Having been raised in the Midwest and grown to middle age in the Pacific
Northwest, it's very difficult for me to accept the assertion that the
Midwest is, "...big timber country". Yes, I am aware of the hardwood
"forests" that line waterways but in general, its hard to see the forest for
the trees.

mark

-----Original Message-----
From: gasification-bounces at listserv.repp.org
[mailto:gasification-bounces at listserv.repp.org] On Behalf Of CAVM at aol.com
Sent: Tuesday, August 08, 2006 4:10 PM
To: gasification at listserv.repp.org
Subject: Re: [Gasification] Biomass heated ethanol plants


 
Mark, the Midwest is big timber country.  I have a site in Indiana  with
about 700,000 tons of sawdust on it and can get 100,000 more tons per year
if I want it.
 
We have conducted several economic evaluations of farm crop residue as
biomass.  If the farmer can get $30/ton for his biomass crop residue it has
a chance of working economically. But since green sawdust is about $10/ton
plus freight there is not much incentive to bale corn stalks.
 
Neal
_www.kentuckyenrichment.com_ (http://www.kentuckyenrichment.com) 
_cavm at aol.com_ (mailto:cavm at aol.com) 
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Where is  the "wood waste" to fuel the gasifiers coming from. The Midwest,
where the  bulk of ethanol production facilities seem to be located, is not
exactly  big timber country.

Plenty of cornstalks that may otherwise be chopped,  ensiled and used as
animal food, but how do they get to the  gasifier?

Best regards,
Mark


 
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