[Bioconversion] Torrified woodcips

[Les Blevins]

Neal,

Torrefaction can be thought of as "KILN DRYING".

It is essentially to remove most of the water content.

Not much of anything else is removed.

It improves the quality of the wood.

Les Blevins



----- Original Message ----- 
From: <CAVM at aol.com>
To: <bioconversion at listserv.repp.org>
Sent: Tuesday, November 07, 2006 8:33 AM
Subject: Re: [Bioconversion] Torrified woodcips


> Driving off the volatiles through preheating the wood chips without using
> those volatiles seems counterintuitive to my uneducated  mind. 
> Gasification is
> a process to release the energy of the  fuel through volatile gasses. (Or 
> I
> think it is)
>
> Aren't there systems that use external heat to volatilize fuels and 
> produce
> combustible gases and charcoal?  Wouldn't this torrified wood have gone
> through the same process?  If so, valuable gases would be produced and 
> should be
> used in the end process whether it is heat or engine fuel.  Not  to 
> recycle the
> gases would be a great waste.
>
> Neal Van Milligen
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