[Gasification] Corn Cob Gasifiers

[Tom Miles]

Clarence Richey, Purdue and Robert Stwalley , Stwalley & Stwalley, developed
the downdraft channel gasifier for corncobs in the 1980s through the mid
1990s. 

 

Robert Stwalley is a professor at Purdue.

https://engineering.purdue.edu/ABE/People/ptProfile?resource_id=7402

 

http://patents.justia.com/patent/4452611

http://www.nrbp.org/papers/052.pdf

http://www.docstoc.com/docs/108067206/GASIFIER-PISTON-ENGINE-DECOUPLING

 

Pictures of the gasifier in:

http://www.midwestchptap.org/Archive/pdfs/061211JasperIN/Stwalley.pdf

 

At that time cobs were used for many purposes. We still have the Anderson
Cob Products manual on the uses for cobs from about 1980 (400 pp).My
favorite use for cobs was for stuffing cadavers. 

 

Now cobs are scattered on the field. There is no specialized equipment for
collecting and separating the cobs for use in conversion to liquid fuels.
After considerable field testing those projects (Poet, Abengoa) have shifted
to the stover or straw as a principle feedstock. The cob yield per acre is
very low which makes it expensive to collect or separate. 

 

Tom Miles

 

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